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| * 9.1 VOLT NOMINAL ZENER VOLTAGE + 5% * TEMPERATURE COMPENSATED ZENER REFERENCE DIODES * LOW CURRENT RANGE: 0.5 AND 1.0 mA * METALLURGICALLY BONDED * DOUBLE PLUG CONSTRUCTION 1N4765 thru 1N4774A 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 (Note 3) VOLTS ZENER TEST CURRENT I ZT MAXIMUM DYNAMIC IMPEDANCE ZZT (Note 1) MAXIMUM VOLTAGE TEMPERATURE TEMPERATURE RANGE STABILITY V ZT (Note 2) mV 68 141 34 70 14 28 6.8 14 3.4 7 68 141 34 70 14 28 6.8 14 3.4 7 C 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 0 to + 75 -55 to +100 EFFECTIVE TEMPERATURE COEFFICIENT mA 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 OHMS 350 350 350 350 350 350 350 350 350 350 200 200 200 200 200 200 200 200 200 200 % / C 0.01 0.01 0.005 0.005 0.002 0.002 0.001 0.001 0.0005 0.0005 0.01 0.01 0.005 0.005 0.002 0.002 0.001 0.001 0.0005 0.0005 1N4765 1N4765A 1N4766 1N4766A 1N4767 1N4767A 1N4768 1N4768A 1N4769 1N4769A 1N4770 1N4770A 1N4771 1N4771A 1N4772 1N4772A 1N4773 1N4773A 1N4774 1N4774A 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 FIGURE 1 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. NOTE 3 Zener voltage range equals 9.1 volts + 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) 1N4765 thru 1N4774A 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 CHANGE IN TEMPERATURE COEFFICIENT (%/C) 1000 500 100 50 10 1 2 OPERATING CURRENT lZT (mA) 3 FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT +.0015 CHANGE IN TEMPERATURE COEFFICIENT ( %/C) +.0010 +.0005 0 -.0005 -.0010 -.0015 0.5 1.0 1.5 OPERATING CURRENT lZT (mA) 2.0 FIGURE 4 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT |
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