BLS8G2731L-400P; BLS8G2731LS-400P LDMOS S-band radar power transistor Rev. 2 -- 1 September 2015 Product data sheet 1. Product profile 1.1 General description 400 W LDMOS power transistor for S-band radar applications in the frequency range from 2.7 GHz to 3.1 GHz. Table 1. Typical performance Typical RF performance at Tcase = 25 C; tp = 50 s; = 2 %; IDq = 200 mA; in a class-AB demo test circuit. Test signal pulsed RF f VDS PL(1dB) Gp [1] D [1] PL(2dB) Gp [2] D [2] (GHz) (V) (W) (dB) (%) (W) (dB) (%) 2.7 to 2.9 32 540 11 45 610 10 46 2.9 to 3.1 32 490 12 47 550 11 49 2.7 to 3.1 32 530 12 45 590 11 47 [1] at 1 dB gain compression. [2] at 2 dB gain compression. 1.2 Features and benefits High efficiency Excellent ruggedness Designed for S-band operation Excellent thermal stability Easy power control Integrated dual sided ESD protection enables excellent off-state isolation High flexibility with respect to pulse formats Internally matched for ease of use Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS) 1.3 Applications S-band radar applications in the frequent range 2.7 GHz to 3.1 GHz BLS8G2731L(S)-400P LDMOS S-band radar power transistor 2. Pinning information Table 2. Pinning Pin Description Simplified outline Graphic symbol BLS8G2731L-400P (SOT539A) 1 drain1 2 drain2 3 gate1 4 gate2 5 1 1 2 5 3 3 4 5 4 [1] source 2 sym117 BLS8G2731LS-400P (SOT539B) 1 drain1 2 drain2 3 gate1 4 gate2 5 1 1 2 5 3 3 4 5 4 [1] source 2 sym117 [1] Connected to flange. 3. Ordering information Table 3. Ordering information Type number Package Name Description BLS8G2731L-400P - BLS8G2731LS-400P - Version flanged balanced ceramic package; 2 mounting holes; SOT539A 4 leads earless flanged balanced ceramic package; 4 leads SOT539B 4. Limiting values Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Min Max Unit VDS drain-source voltage - 65 V VGS gate-source voltage 6 +11 V Tstg storage temperature 65 +150 C - 225 C Tj [1] junction temperature [1] Continuous use at maximum temperature will affect the reliability. For details refer to the on-line MTF calculator. BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 2 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor 5. Thermal characteristics Table 5. Thermal characteristics Symbol Parameter Zth(j-mb) Conditions transient thermal impedance from junction to mounting base Typ Unit Tcase = 85 C; PL = 400 W tp = 100 s; = 10 % 0.067 K/W tp = 200 s; = 10 % 0.083 K/W tp = 300 s; = 10 % 0.091 K/W tp = 100 s; = 20 % 0.082 K/W 6. Characteristics Table 6. DC characteristics Tj = 25 C unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit V(BR)DSS drain-source breakdown voltage VGS = 0 V; ID = 3 mA 65 - - V VGS(th) gate-source threshold voltage VDS = 10 V; ID = 300 mA 1.5 1.9 2.3 V IDSS drain leakage current VGS = 0 V; VDS = 28 V - - 2.8 A IDSX drain cut-off current VGS = VGS(th) + 3.75 V; VDS = 10 V - 51 - A IGSS gate leakage current VGS = 11 V; VDS = 0 V - - 280 nA gfs forward transconductance VDS = 10 V; ID = 15.0 A - 21 - S RDS(on) drain-source on-state resistance VGS = VGS(th) + 3.75 V; ID = 10.5 A - 0.058 - Table 7. RF characteristics Test signal: pulsed RF; f = 3.1 GHz; tp = 300 s; = 10 %; RF performance at VDS = 32 V; IDq = 200 mA; Tcase = 25 C; unless otherwise specified, in a class-AB narrow band production circuit. Symbol Parameter Conditions Min Gp power gain PL = 400 W 10.3 13 - dB D drain efficiency PL = 400 W 43 47 - % RLin input return loss PL = 400 W - 8 - dB Pdroop(pulse) pulse droop power PL = 400 W - 0 0.5 dB tr rise time PL = 400 W - 5 50 ns tf fall time PL = 400 W - 5 50 ns PL(2dB) output power at 2 dB gain compression 400 - - W BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 Typ Max Unit (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 3 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor 7. Test information 7.1 Ruggedness in class-AB operation The BLS8G2731L-400P and BLS8G2731LS-400P are capable of withstanding a load mismatch corresponding to VSWR = 10 : 1 through all phases under the following conditions: VDS = 32 V; IDq = 200 mA; PL = 400 W; tp = 300 s; = 10 %. 7.2 Impedance information Table 8. Typical impedance f ZS[1] ZL[1] (GHz) () () 2.7 1.0 7.0j 1.8 4.9j 2.9 1.5 8.5j 2.5 5.2j 3.1 4.0 9.0j 3.6 4.7j [1] Impedances are taken at a single halve of the push-pull transistor drain 1 gate 1 ZS ZL gate 2 drain 2 Fig 1. 001aak544 Definition of transistor impedance BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 4 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor 7.3 Test circuit 71.12 mm 71.12 mm PCB0134 REV 0 INPUT BLS8G2731-400 2.7-3.1 GHz 20R 3003 1ozCu C23 Q2 C14 C3 C5 R7 R2 C11 C4 C6 C16 C15 C17 PCB0134 REV 0 OUTPUT BLS8G2731-400 2.7-3.1 GHz 20R 3003 1ozCu C13 R4 C1 76.2 mm C25 R1 Quad-1 R5 Q1 Quad-2 R9 C26 C2 C8 R6 C7 C9 C18 C12 C10 C24 C20 C22 R3 R8 C19 C21 aaa-016996 Printed-Circuit Board (PCB): Rogers RO3003; thickness = 0.508 mm. See Table 9 for a list of components. Fig 2. Component layout for class-AB production test circuit Table 9. List of components For test circuit see Figure 2. Component Description Value Remarks C1, C2 multilayer ceramic chip capacitor 5.6 pF ATC: ATC600F5R6 C3, C10 multilayer ceramic chip capacitor 220 pF, 50 V Murata: GRM2165C1H221JA01D C4, C9 multilayer ceramic chip capacitor 10 nF, 50 V Murata: GRM216R71H103KA01D C5, C8 multilayer ceramic chip capacitor 100 nF, 50 V Murata: GRM21BR71H104KA01L C6, C7 multilayer ceramic chip capacitor 10 F, 10 V Murata: GRM21BR61A106KE19L C11, C12 multilayer ceramic chip capacitor 15 pF ATC: ATC600F150 C13, C14, C18, C19, C25, C26 multilayer ceramic chip capacitor 22 pF Passive Plus: 1111N220GW501 C15, C20 Passive Plus: 1111N561GW501 electrolytic capacitor 560 pF C16, C21 multilayer ceramic chip capacitor 0.01 F, 250 V Murata: GRM31B7U2E103JW31L C17,C22 multilayer ceramic chip capacitor 0.1 F, 250 V Murata: GRM32DR72E104KW01L C23, C24 electrolytic capacitor 470 F, 63 V Panasonic: EEV-TG1J471M R1, R9 resistor 50 EMC: SMT2010TALN R2, R3 shunt resistor 9.1 Vishay Dale: CRCW08059R10FKEA R4, R6 shunt resistor 5.1 Vishay Dale: CRCW08055R10FKEA R5 shunt resistor 510 Vishay Dale: CRCW2010510RFKEFHP R7, R8 resistor 0.01 Susumu: RL7520WT-R010-F BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 5 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor Table 9. List of components ...continued For test circuit see Figure 2. Component Description Value Remarks Q1 transistor - Ampleon: BLS8G2731LS-400P Q2 transistor - NXP: MMBT2222A Quad-1, Quad-2 90 degree hybrid coupler - Innovative Power Products: IPP-7075 7.4 Graphical data aaa-016843 16 Gp (dB) 50 D (%) D 12 40 600 8 30 400 4 20 200 10 700 0 (1) (1) (2) (2) (3) (3) Gp 0 0 100 200 300 400 aaa-016844 800 PL (W) 500 600 PL (W) (1) (2) (3) 0 VDS = 32 V; IDq = 200 mA; tp = 100 s; = 2 %. 10 20 (1) f = 2700 MHz (2) f = 2900 MHz (2) f = 2900 MHz (3) f = 3100 MHz 40 50 60 70 Pi (W) 80 VDS = 32 V; IDq = 200 mA; tp = 100 s; = 2 %. (1) f = 2700 MHz Fig 3. 30 (3) f = 3100 MHz Power gain and drain efficiency as function of output power; typical values Fig 4. Output power as a function of input power; typical values BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 6 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor aaa-016845 0 RLin (dB) -5 -10 -15 -20 -25 -30 2650 2750 2850 2950 3050 f (MHz) 3150 VDS = 32 V; IDq = 200 mA; Pi = 10 dBm. Fig 5. Input return loss as a function of frequency; typical values BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 7 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor 8. Package outline Flanged balanced ceramic package; 2 mounting holes; 4 leads SOT539A D A F D1 U1 B q C w2 M C M H1 1 c 2 E1 p H U2 5 L 3 A E w1 M A M B M 4 w3 M b Q e 0 5 10 mm scale DIMENSIONS (millimetre dimensions are derived from the original inch dimensions) UNIT A mm 4.7 4.2 inches b c D D1 e E E1 11.81 0.18 31.55 31.52 9.50 13.72 11.56 0.10 30.94 30.96 9.30 9.53 9.27 F H H1 L 1.75 17.12 25.53 3.48 1.50 16.10 25.27 2.97 p Q q 3.30 3.05 2.26 2.01 35.56 U1 U2 w1 41.28 10.29 0.25 41.02 10.03 w2 w3 0.51 0.25 0.185 0.465 0.007 1.242 1.241 0.374 0.375 0.069 0.674 1.005 0.137 0.130 0.089 1.625 0.405 1.400 0.010 0.020 0.010 0.540 0.165 0.455 0.004 1.218 1.219 0.366 0.365 0.059 0.634 0.995 0.117 0.120 0.079 1.615 0.395 Note 1. millimeter dimensions are derived from the original inch dimensions. 2. recommended screw pitch dimension of 1.52 inch (38.6 mm) based on M3 screw. OUTLINE VERSION REFERENCES IEC JEDEC EIAJ ISSUE DATE 10-02-02 12-05-02 SOT539A Fig 6. EUROPEAN PROJECTION Package outline SOT539A BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 8 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor Earless flanged balanced ceramic package; 4 leads SOT539B D A F 5 D1 D U1 H1 w2 1 c D 2 E1 U2 H E L 3 4 w3 b Q e 0 5 10 mm scale Dimensions Unit(1) A b 4.7 11.81 w2 w3 0.25 0.25 max 0.185 0.465 0.007 1.242 1.241 0.374 0.375 0.069 0.674 1.005 0.137 0.089 1.275 0.405 0.54 inches nom 0.01 min 0.165 0.455 0.004 1.218 1.219 0.366 0.365 0.059 0.634 0.995 0.117 0.079 1.265 0.395 0.01 mm max nom min c D D1 0.18 31.55 31.52 E E1 9.5 9.53 e F H H1 L Q U1 U2 1.75 17.12 25.53 3.48 2.26 32.39 10.29 1.50 16.10 25.27 2.97 2.01 32.13 10.03 13.72 4.2 11.56 0.10 30.94 30.96 9.3 9.27 Note 1. millimeter dimensions are derived from the original inch dimensions. Outline version References IEC JEDEC JEITA European projection Issue date 12-05-02 13-05-24 SOT539B Fig 7. sot539b_po Package outline SOT539B BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 9 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor 9. Handling information CAUTION This device is sensitive to ElectroStatic Discharge (ESD). Observe precautions for handling electrostatic sensitive devices. Such precautions are described in the ANSI/ESD S20.20, IEC/ST 61340-5, JESD625-A or equivalent standards. 10. Abbreviations Table 10. Abbreviations Acronym Description ESD ElectroStatic Discharge LDMOS Laterally Diffused Metal-Oxide Semiconductor MTF Median Time to Failure S-band Short wave Band VSWR Voltage Standing-Wave Ratio 11. Revision history Table 11. Revision history Document ID Release date Data sheet status BLS8G2731L-400P_LS-400P#2 20150901 Modifications: Change notice Supersedes Product data sheet BLS8G2731L-400P_LS-400P v.1 * The format of this document has been redesigned to comply with the new identity guidelines of Ampleon. * Legal texts have been adapted to the new company name where appropriate. BLS8G2731L-400P_LS-400P v.1 20150526 Product data sheet - BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 - (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 10 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor 12. Legal information 12.1 Data sheet status Document status[1][2] Product status[3] Objective [short] data sheet Development This document contains data from the objective specification for product development. Preliminary [short] data sheet Qualification This document contains data from the preliminary specification. Product [short] data sheet Production This document contains the product specification. Definition [1] Please consult the most recently issued document before initiating or completing a design. [2] The term `short data sheet' is explained in section "Definitions". [3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.ampleon.com. 12.2 Definitions Draft -- The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. Ampleon does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. Short data sheet -- A short data sheet is an extract from a full data sheet with the same product type number(s) and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local Ampleon sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. Product specification -- The information and data provided in a Product data sheet shall define the specification of the product as agreed between Ampleon and its customer, unless Ampleon and customer have explicitly agreed otherwise in writing. In no event however, shall an agreement be valid in which the Ampleon product is deemed to offer functions and qualities beyond those described in the Product data sheet. 12.3 Disclaimers Limited warranty and liability -- Information in this document is believed to be accurate and reliable. However, Ampleon does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. Ampleon takes no responsibility for the content in this document if provided by an information source outside of Ampleon. In no event shall Ampleon be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. Notwithstanding any damages that customer might incur for any reason whatsoever, Ampleon' aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the Terms and conditions of commercial sale of Ampleon. Right to make changes -- Ampleon reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use -- Ampleon products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an Ampleon product can reasonably be expected to result in personal injury, death or severe property or environmental damage. Ampleon and its suppliers accept no liability for inclusion and/or use of Ampleon products in such equipment or applications and therefore such inclusion and/or use is at the customer's own risk. Applications -- Applications that are described herein for any of these products are for illustrative purposes only. Ampleon makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Customers are responsible for the design and operation of their applications and products using Ampleon products, and Ampleon accepts no liability for any assistance with applications or customer product design. It is customer's sole responsibility to determine whether the Ampleon product is suitable and fit for the customer's applications and products planned, as well as for the planned application and use of customer's third party customer(s). Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. Ampleon does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer's applications or products, or the application or use by customer's third party customer(s). Customer is responsible for doing all necessary testing for the customer's applications and products using Ampleon products in order to avoid a default of the applications and the products or of the application or use by customer's third party customer(s). Ampleon does not accept any liability in this respect. Limiting values -- Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) will cause permanent damage to the device. Limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the Recommended operating conditions section (if present) or the Characteristics sections of this document is not warranted. Constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. Terms and conditions of commercial sale -- Ampleon products are sold subject to the general terms and conditions of commercial sale, as published at http://www.ampleon.com/terms, unless otherwise agreed in a valid written individual agreement. In case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. Ampleon hereby expressly objects to applying the customer's general terms and conditions with regard to the purchase of Ampleon products by customer. No offer to sell or license -- Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Export control -- This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from competent authorities. BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 11 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor Non-automotive qualified products -- Unless this data sheet expressly states that this specific Ampleon product is automotive qualified, the product is not suitable for automotive use. It is neither qualified nor tested in accordance with automotive testing or application requirements. Ampleon accepts no liability for inclusion and/or use of non-automotive qualified products in automotive equipment or applications. In the event that customer uses the product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without Ampleon' warranty of the product for such automotive applications, use and specifications, and (b) whenever customer uses the product for automotive applications beyond Ampleon' specifications such use shall be solely at customer's own risk, and (c) customer fully indemnifies Ampleon for any liability, damages or failed product claims resulting from customer design and use of the product for automotive applications beyond Ampleon' standard warranty and Ampleon' product specifications. 12.4 Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. Any reference or use of any `NXP' trademark in this document or in or on the surface of Ampleon products does not result in any claim, liability or entitlement vis-a-vis the owner of this trademark. Ampleon is no longer part of the NXP group of companies and any reference to or use of the `NXP' trademarks will be replaced by reference to or use of Ampleon's own Any reference or use of any `NXP' trademark in this document or in or on the surface of Ampleon products does not result in any claim, liability or entitlement vis-a-vis the owner of this trademark. Ampleon is no longer part of the NXP group of companies and any reference to or use of the `NXP' trademarks will be replaced by reference to or use of Ampleon's own trademarks. Translations -- A non-English (translated) version of a document is for reference only. The English version shall prevail in case of any discrepancy between the translated and English versions. 13. Contact information For more information, please visit: http://www.ampleon.com For sales office addresses, please visit: http://www.ampleon.com/sales BLS8G2731L-400P_LS-400P#2 All information provided in this document is subject to legal disclaimers. Product data sheet Rev. 2 -- 1 September 2015 (c) Ampleon The Netherlands B.V. 2015. All rights reserved. 12 of 13 BLS8G2731L(S)-400P LDMOS S-band radar power transistor 14. Contents 1 1.1 1.2 1.3 2 3 4 5 6 7 7.1 7.2 7.3 7.4 8 9 10 11 12 12.1 12.2 12.3 12.4 13 14 Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1 General description . . . . . . . . . . . . . . . . . . . . . 1 Features and benefits . . . . . . . . . . . . . . . . . . . . 1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pinning information . . . . . . . . . . . . . . . . . . . . . . 2 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 2 Thermal characteristics . . . . . . . . . . . . . . . . . . 3 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Test information . . . . . . . . . . . . . . . . . . . . . . . . . 4 Ruggedness in class-AB operation . . . . . . . . . 4 Impedance information . . . . . . . . . . . . . . . . . . . 4 Test circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Graphical data . . . . . . . . . . . . . . . . . . . . . . . . . 6 Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 8 Handling information. . . . . . . . . . . . . . . . . . . . 10 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 10 Legal information. . . . . . . . . . . . . . . . . . . . . . . 11 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 11 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Contact information. . . . . . . . . . . . . . . . . . . . . 12 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section `Legal information'. (c) Ampleon The Netherlands B.V. 2015. All rights reserved. For more information, please visit: http://www.ampleon.com For sales office addresses, please visit: http://www.ampleon.com/sales Date of release: 1 September 2015 Document identifier: BLS8G2731L-400P_LS-400P#2