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| * 1N935B-1, 1N937B-1 AND 1N938B-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/156 * 9.0 VOLT NOMINAL ZENER VOLTAGE * TEMPERATURE COMPENSATED ZENER REFERENCE DIODES * METALLURGICALLY BONDED 1N935 thru 1N938B and 1N935B-1 thru 1N938B-1 MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C DC Power Dissipation: 500mW @ +50C Power Derating: 4 mW / C above +50C REVERSE LEAKAGE CURRENT lR = 10 A @ 25C & VR = 6 Vdc ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. JEDEC TYPE NUMBER ZENER VOLTAGE vz @ I ZT ZENER TEST CURRENT I ZT MAXIMUM ZENER IMPEDANCE (Note 1) Z ZT VOLTAGE TEMPERATURE TEMPERATURE RANGE STABILITY V ZT MAXIMUM (Note 2) EFFECTIVE TEMPERATURE COEFFICIENT FIGURE 1 % / C 0.01 0.01 0.01 0.005 0.005 0.005 0.002 0.002 0.002 0.001 0.001 0.001 VOLTS 1N935 1N935A 1N935B 1N936 1N936A 1N936B 1N937 1N937A 1N937B 1N938 1N938A 1N938B 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 mA 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 OHMS 20 20 20 20 20 20 20 20 20 20 20 20 mV 67 139 184 34 70 92 13 28 37 6.7 13.9 19 C 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 DESIGN DATA CASE: Hermetically sealed glass case. DO - 35 outline. LEAD MATERIAL: Copper clad steel. LEAD FINISH: Tin / Lead POLARITY: Diode to be operated with the banded (cathode) end positive. MOUNTING POSITION: Any. NOTE 1 Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current equal to 10% of lZT. NOTE 2 The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mV at any discrete temperature between the established limits, per JEDEC standard No. 5. 22 COREY STREET, MELROSE, MASSACHUSETTS 02176 PHONE (781) 665-1071 FAX (781) 665-7379 WEBSITE: http://www.cdi-diodes.com E-mail: mail@cdi-diodes.com Pd, Rated Power Dissipation (mW) 1N935 thru INCLUDING -1 VERSIONS 1N938B 600 500 400 300 200 100 0 0 25 50 75 100 125 150 175 TL, Lead temperature (C) 3/8" from body FIGURE 2 POWER DERATING CURVE 100 50 40 30 20 ZENER IMPEDANCE ZZT (OHMS) 10 5 4 3 2 1 5 6 7 8 9 OPERATING CURRENT lZT (mA) 10 FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT +.0015 CHANGE IN TEMPERATURE COEFFICIENT ( %/C) +.0010 +.0005 0 -.0005 -.0010 -.0015 5 6 7 8 OPERATING CURRENT lZT (mA) 9 10 FIGURE 4 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT |
Price & Availability of 1N935
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