Ceramic Low Pass Filter 50 LFCN-400D+ DC to 400 MHz Features Maximum Ratings Operating Temperature -55C to 100C Storage Temperature -55C to 100C RF Power Input* 8.5W max. at 25C Max. DC Voltage at pins 1&3 25 VDC DC Current Input to Output 0.5A max. at 25C * Derate linearly to 3.5W at 100C ambient. Permanent damage may occur if any of these limits are exceeded. 1 RF OUT 3 GROUND +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications Pin Connections RF IN CASE STYLE: FV1206 PRICE: $3.49 ea. QTY (20) * excellent power handling, 8.5W * small size * 7 sections * temperature stable * LTCC construction * protected by U.S. Patent 6,943,646 * harmonic rejection * VHF/UHF transmitters/receivers * RF suppression for DC lines on PCB * anti-aliasing for A/D converter Electrical Specifications1,2 at 25C 2,4 Parameter Outline Drawing (ON TOP) Reel Size 7" and Reel Available Tape cost at no extra Devices/Reel 20, 50, 100, 200, 500,1000, 3000 Insertion Loss Freq. Cut-Off VSWR Pass Band Rejection Loss Stop Band (ON TOP) VSWR F# Frequency (MHz) Min. Typ. Max. Unit DC-F1 F2 DC-F1 F3 F4-F5 F6 DC-400 560 DC-400 690 680-3000 5500 -- -- -- 20 -- -- -- 3.0 1.2 -- 30 20 1.0 -- -- -- -- -- dB dB :1 dB dB dB F3-F6 690-5500 -- 20 -- :1 (1) DC Resistance to ground is 100 Mohms min. (2) Measured on Mini-Circuits Characterization Test Board TB-270. Electrical Schematic Typical Frequency Response ATTENUATION (dB) PCB Land Pattern R F IN 40 R F OUT 20 3 1 DC F5 F1 F2 F3 F4 FREQUENCY F6 Typical Performance Data at 25C Suggested Layout, Tolerance to be within .002 Frequency (MHz) Insertion Loss (dB) VSWR (:1) 1.00 100.00 210.00 300.00 400.00 0.11 0.28 0.43 0.58 0.86 1.03 1.05 1.04 1.03 1.19 560.00 660.00 700.00 1000.00 2000.00 4.02 39.58 53.94 34.84 55.00 2.85 14.38 16.41 27.16 48.26 3000.00 4000.00 4500.00 5000.00 5500.00 64.81 24.93 28.21 28.12 25.03 48.26 33.42 34.75 34.07 35.46 Outline Dimensions ( inch mm ) A .126 3.20 B .063 1.60 C .037 0.94 D .020 0.51 E .032 0.81 F .009 0.23 G .169 4.29 H .087 2.21 J .024 0.61 K .122 3.10 L .024 0.61 M .087 2.21 N .012 0.30 P wt .071 grams 1.80 .020 Demo Board MCL P/N: TB-270 Suggested PCB Layout (PL-137) LFCN-400D+ INSERTION LOSS LFCN-400D+ VSWR 1000 70 60 100 50 VSWR INSERTION LOSS (dB) 80 40 30 10 20 10 0 1 0 1100 2200 3300 4400 5500 0 1100 FREQUENCY (MHz) 2200 3300 4400 5500 FREQUENCY (MHz) Notes A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit's applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, "Standard Terms"); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits' website at www.minicircuits.com/MCLStore/terms.jsp Mini-Circuits (R) www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com REV. K M125148 LFCN-400D+ EDR-6588/3 RVN/AD/AM 130828