1N4678-1 thru 1N4717-1 Available on commercial versions 500 mW AXIAL-LEADED ZENER DIODES Screening in reference to MIL-PRF-19500 available DESCRIPTION The 1N4678-1 thru 1N4717-1 series of 0.5 watt Zener voltage regulators provides a selection from 1.8 to 43 volts in standard 5% tolerances as well as tighter tolerances. These axialleaded glass DO-35 Zeners are available with an internal metallurgical bond similar to military requirements for similar Zeners. Microsemi also offers numerous other Zener products to meet higher and lower power applications. Important: For the latest information, visit our website http://www.microsemi.com. FEATURES * * * * DO-35 (DO-204AH) Package JEDEC registered 1N4678 thru 1N4717 series. Internal metallurgical bond. Tighter voltage tolerances of 2% and 1% are available. Up-screening available in reference to MIL-PRF-19500. Also available in: (See part nomenclature for all available options). * DO-213AA RoHS compliant devices available (commercial grade only). (surface mount) 1N4678UR-1 - 1N4717UR-1 APPLICATIONS / BENEFITS * * * * * * * Regulates voltage over a broad operating current and temperature range. Guaranteed maximum voltage regulation 10 A to 100 A. Voltage selection from 1.8 to 43 V. Flexible axial-lead mounting terminals. Non-sensitive to ESD per MIL-STD-750 method 1020. Minimal capacitance (see Figure 3). Inherently radiation hard as described in Microsemi's "MicroNote 050". MAXIMUM RATINGS Parameters/Test Conditions Junction and Storage Temperature (1) Thermal Resistance Junction-to-Lead (2) Thermal Resistance Junction-to-Ambient (3) Steady-State Power Dissipation Forward Voltage @ 200 mA Solder Temperature @ 10 s Symbol Value TJ and TSTG R JL R JA PD VF TSP -65 to +175 250 310 0.5 1.1 260 Unit o C C/W o C/W W V o C o Notes: 1. At 3/8 (10 mm) lead length from body. 2. When mounted on FR4 PC board (1 oz Cu) with 4 mm2 copper pads and track width 1 mm, length 25 mm. 3. At T L < 50 oC 3/8 inch (10 mm) from body or 0.48 W at T A < 25 C when mounted on FR4 PC board as described for thermal resistance (see Figure 2 for derating). MSC - Lawrence 6 Lake Street, Lawrence, MA 01841 Tel: 1-800-446-1158 or (978) 620-2600 Fax: (978) 689-0803 MSC - Ireland Gort Road Business Park, Ennis, Co. Clare, Ireland Tel: +353 (0) 65 6840044 Fax: +353 (0) 65 6822298 Website: www.microsemi.com T4-LDS-0240, Rev. 1 (112022) (c)2011 Microsemi Corporation Page 1 of 5 1N4678-1 thru 1N4717-1 MECHANICAL and PACKAGING * * * * * * * CASE: Hermetically sealed axial-lead glass DO-35 (DO-204AH) package. TERMINALS: Leads tin-lead plated or RoHS compliant matte-tin plating available (on commercial grade only) solderable per MIL-STD-750, method 2026. POLARITY: Cathode indicated by band where diode is to be operated with the banded end positive with respect to the opposite end for Zener regulation. MARKING: Part number. TAPE & REEL option: Standard per EIA-296 (add "TR" suffix to part number). Consult factory for quantities. WEIGHT: 0.2 grams. See Package Dimensions on last page. PART NOMENCLATURE MQ 1N4678 C -1 (e3) Reliability Level MQ = JAN Level MX = JANTX Level MV = JANTXV Level MSP = JANS Level Blank = Commercial RoHS Compliance e3 = RoHS Compliant (available on commercial grade only) Blank = non-RoHS Compliant Metallurgically Bonded JEDEC type number (see Electrical Characteristics table) SYMBOLS & DEFINITIONS Definition Symbol I ZT or I ZK IR I ZM TSP VR VZ Zener Voltage Tolerances Blank = 5% C = 2% D = 1% Regulator Current: The dc regulator current (I Z), at a specified test point (I ZT), near breakdown knee (I ZK ). Reverse Current: The maximum reverse (leakage) current that will flow at the specified voltage and temperature. Maximum Regulator (Zener) Current: The maximum rated dc current for the specified power rating. Temperature Solder Pad: The maximum solder temperature that can be safely applied to the terminal. Reverse Voltage: The reverse voltage dc value, no alternating component. Zener Voltage: The Zener voltage the device will exhibit at a specified current (I Z) in its breakdown region. T4-LDS-0240, Rev. 1 (112022) (c)2011 Microsemi Corporation Page 2 of 5 1N4678-1 thru 1N4717-1 ELECTRICAL CHARACTERISTICS @ 25 oC unless otherwise noted. JEDEC TYPE NUMBER (Note 1) NOMINAL ZENER VOLTAGE (Note 3) VZ ZENER TEST CURRENT I ZT MAXIMUM VOLTAGE REGULATION (Note 2 & 3) V Z A Volts Volts 1N4678-1 1.8 50 0.70 1N4679-1 2.0 50 0.70 1N4680-1 2.2 50 0.75 1N4681-1 2.4 50 0.80 1N4682-1 2.7 50 0.85 1N4683-1 3.0 50 0.90 1N4684-1 3.3 50 0.95 1N4685-1 3.6 50 0.95 1N4686-1 3.9 50 0.97 1N4687-1 4.3 50 0.99 1N4688-1 4.7 50 0.99 1N4689-1 5.1 50 0.97 1N4690-1 5.6 50 0.96 1N4691-1 6.2 50 0.95 1N4692-1 6.8 50 0.90 1N4693-1 7.5 50 0.75 1N4694-1 8.2 50 0.50 1N4695-1 8.7 50 0.10 1N4696-1 9.1 50 0.08 1N4697-1 10.0 50 0.10 1N4698-1 11.0 50 0.11 1N4699-1 12.0 50 0.12 1N4700-1 13.0 50 0.13 1N4701-1 14.0 50 0.14 1N4702-1 15.0 50 0.15 1N4703-1 16.0 50 0.16 1N4704-1 17.0 50 0.17 1N4705-1 18.0 50 0.18 1N4706-1 19.0 50 0.19 1N4707-1 20.0 50 0.20 1N4708-1 22.0 50 0.22 1N4709-1 24.0 50 0.24 1N4710-1 25.0 50 0.25 1N4711-1 27.0 50 0.27 1N4712-1 28.0 50 0.28 1N4713-1 30.0 50 0.30 1N4714-1 33.0 50 0.33 1N4715-1 36.0 50 0.36 1N4716-1 39.0 50 0.39 1N4717-1 43.0 50 0.43 *JEDEC registered data except I ZM has been increased (doubled) for 500 mW NOTES: 1. 2. 3. MAXIMUM REVERSE LEAKAGE CURRENT IR @ VR A Volts 7.5 1.0 5.0 1.0 4.0 1.0 2.0 1.0 1.0 1.0 0.8 1.0 7.5 1.5 7.5 2.0 5.0 2.0 4.0 2.0 10.0 3.0 10.0 3.0 10.0 4.0 10.0 5.0 10.0 5.1 10.0 5.7 1.0 6.2 1.0 6.6 1.0 6.9 1.0 7.6 0.05 8.4 0.05 9.1 0.05 9.8 0.05 10.6 0.05 11.4 0.05 12.1 0.05 12.9 0.05 13.6 0.05 14.4 0.01 15.2 0.01 16.7 0.01 18.2 0.01 19.0 0.01 20.4 0.01 21.2 0.01 22.8 0.01 25.0 0.01 27.3 0.01 29.6 0.01 32.6 power dissipation capabilities. MAXIMUM dc ZENER CURRENT* I ZM mA 240 220 200 190 180 170 160 150 140 130 120 110 100 90 70 63.6 58.0 54.8 52.4 49.6 43.2 40.8 38.0 35.0 32.6 30.8 29.0 26.4 25.0 23.8 21.6 19.8 19.0 17.6 17.0 15.8 14.4 13.2 12.2 11.0 All types as shown are +/-5% tolerance. Also available in 2% and 1% tolerance. V Z @ 100 A minus V Z @ 10 A. The electrical characteristics are measured after allowing the device to stabilize for 20 seconds when mounted with 3/8" minimum lead length from the body. T4-LDS-0240, Rev. 1 (112022) (c)2011 Microsemi Corporation Page 3 of 5 1N4678-1 thru 1N4717-1 TEMPERATURE COEFFICIENT %/oC T L - LEAD TEMPERATURE (oC) 3/8" FROM BODY or T A on FR4 PC BOARD mV Change /C NOMINAL ZENER VOLTAGE (VOLTS) FIGURE 1 POWER DERATING CURVE TYPICAL CAPACITANCE IN PICOFARADS Voltage Temperature Coefficient %/oC TEMPERATURE COEFFICIENT mV/oC RATED POWER DISSIPATION - mW GRAPHS FIGURE 2 ZENER VOLTAGE TEMPERATURE COEFFICIENT vs. ZENER VOLTAGE At zero volts At -2 volts (VR ) ZENER VOLTAGE V Z FIGURE 3 CAPACITANCE vs. V Z CURVE T4-LDS-0240, Rev. 1 (112022) (c)2011 Microsemi Corporation Page 4 of 5 1N4678-1 thru 1N4717-1 PACKAGE DIMENSIONS Ltr BD BL LD LL LL 1 Inch Min .055 .120 .018 1.000 Dimensions Millimeters Max Min Max .090 1.40 2.29 .200 3.05 5.08 .022 0.46 0.56 1.500 25.40 38.10 .050 1.27 Notes 3 3 4 NOTES: 1. Dimensions are in inch. 2. Millimeters are given for general information only. 3. Package contour optional within BD and length BL. Heat slugs, if any, shall be included within this cylinder but shall not be subject to minimum limit of BD. The BL dimension shall include the entire body including slugs. 4. W ithin this zone lead, diameter may vary to allow for lead finishes and irregularities other than heat slugs. 5. In accordance with ASME Y14.5M, diameters are equivalent to x symbology. T4-LDS-0240, Rev. 1 (112022) (c)2011 Microsemi Corporation Page 5 of 5