CD4678 CDI-DIODE | Alldatasheet
Document overview
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Technical content
23 MILS
15 MILS
- ZENER DIODE CHIPS
- ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
- ELECTRICALLY EQUIVALENT TO 1N4678 THRU 1N4717
- 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING
- 50 µA, LOW OPERATING CURRENT, ZENER DIODES
- COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW CD4678 thru CD4717 DESIGN DATA METALLIZATION: Å Min CIRCUIT LAYOUT DATA: For Zener operation, cathode must be operated positive with respect to anode. TOLERANCES: ALL Dimensions + 2 mils CDI NOMINAL ZENER MAXIMUM MAXIMUM REVERSE MAXIMUM TYPE ZENER TEST VOLTAGE LEAKAGE DC ZENER NUMBER VOLTAGE CURRENT REGULATION CURRENT CURRENT VZ lZT ∆VZ lR @ V R lZM (Note 1) (Note 3) (Note 2) VOLTS µ AV O L T S µ A VOLTS mA NOTE 1 The JEDEC type numbers shown above have a standard tolerance of 5% oF the nominal Zener voltage. Vz is measured with the diode in thermal equilibrium at 25°C +3°C. NOTE 2 VZ @ 100 µ A minus VZ @ 10 µ A. NOTE 3 Zener voltage is read using a pulse measurement, 10 milliseconds maximum. MAXIMUM RATINGS Operating Temperatures: -65°C to +175°C Storage Temperatures: -65°C to +175°C Forward Voltage @ 200 mA: 1.5 Volts maximum ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. BACKSIDE IS CATHODE FIGURE 1
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0 25 50 75 100 125 150 175 200 TA, Ambient temperature (C°) POWER DERATING CURVE 600 500 400 300 200 100 Pd, Rated Power Dissipation (mW) FIGURE 2 OPERATING CURRENT l ZT (mA) FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT 1000 500 400 300 200 100 ZENER IMPEDANCE Z ZT (OHMS) 3.3 VOL T 5.1 VOL T VOL T
11 VOLT
6.2 VOL T