CD3821 CDI-DIODE | Alldatasheet
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Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C Forward Voltage @ 200mA: 1.2 volts maximum ELECTRICAL CHARACTERISTICS @ 25°C CDI NOMINAL ZENER MAX. DC TYPE ZENER TEST MAXIMUM ZENER IMPEDANCE ZENER MAX. REVERSE NUMBER VOLTAGE CURRENT CURRENT LEAKAGE CURRENT VZ @1 ZT 1ZT ZZT @ 1 ZT ZZK @ IZK =1mA 1 ZM lR @ V R (NOTE 1) (NOTE 2) (NOTE 3) VOLTS mA OHMS OHMS mA µ A VOLTS CD3821 3.3 76 10 400 276 100 1 CD3821A 3.3 76 10 400 276 100 1 CD3822 3.6 69 1040 0 252 75 1 CD3822A 3.6 69 1040 0 252 75 1 CD3823 3.9 64 9 400 238 25 1 CD3823A 3.9 64 9 400 238 25 1 CD3824 4.3 58 9 400 213 5 1 CD3824A 4.3 58 9 400 213 5 1 CD3825 4.7 53 8 500 194 5 1 CD3825A 4.7 53 8 500 194 5 1 CD3826 5.1 49 7 550178 3 1 CD3826A 5.1 49 7 550178 3 1 CD3827 5.6 45 5 600 162 3 2 CD3827A 5.6 45 5 600 162 3 2 CD3828 6.2 41 2 700 146 3 3 CD3828A 6.2 41 2 700 146 3 3 NOTE 1 Zener voltage range equals nominal voltage +5% for “A” Suffix No Suffix denotes +10%. "C" suffix denotes +2%, "D" suffix denotes +1%. NOTE 2 Zener voltage is read using a pulse measurement, 10 milliseconds maximum. NOTE 3 Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal to 10% of 1ZT.
- 1N3821A THRU 1N3828A AVAILABLE IN JANHC
- PER MIL-PRF-19500/115
- 1 WATT CAPABILITY WITH PROPER HEAT SINKING
- ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
- COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW CD3821 thru CD3828A Backside is Cathode FIGURE 1 DESIGN DATA METALLIZATION: CIRCUIT LAYOUT DATA: For Zener operation, cathode must be operated positive with respect to anode. TOLERANCES: ALL Dimensions + 2 mils
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.1 .2 .5 1 2 5 10 20 50 100 OPERATING CURRENT I ZT (mA) FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT ZENER IMPEDANCE Z ZT (OHMS) 1000 500 400 300 200 100