• ZENER DIODE CHIPS • ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE • ELECTRICALLY EQUIVALENT TO 1N4678 THRU 1N4717 CD4678 thru CD4717 • 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING • 50µA, LOW OPERATING CURRENT, ZENER DIODES • COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW MAXIMUM RATINGS 23 MILS 15 MILS 23 MILS Operating Temperatures: -65°C to +175°C Storage Temperatures: -65°C to +175°C Forward Voltage @ 200 mA: 1.5 Volts maximum CDI TYPE NUMBER (Note 1) NOMINAL ZENER VOLTAGE VZ (Note 3) ZENER TEST CURRENT lZT VOLTS MAXIMUM VOLTAGE REGULATION ∆VZ (Note 2) MAXIMUM REVERSE LEAKAGE CURRENT lR @ VR 15 MILS ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. MAXIMUM DC ZENER CURRENT lZM µA VOLTS µA VOLTS mA CD4678 CD4679 CD4680 CD4681 CD4682 1.8 2.0 2.2 2.4 2.7 50 50 50 50 50 0.70 0.70 0.75 0.80 0.80 7.5 5.0 4.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 120.0 110.0 100.0 95.0 90.0 CD4683 CD4684 CD4685 CD4686 CD4687 3.0 3.3 3.6 3.9 4.3 50 50 50 50 50 0.90 0.95 0.95 0.97 0.99 0.8 7.5 7.5 5.0 4.0 1.0 1.5 2.0 2.0 2.0 85.0 80.0 75.0 70.0 65.0 CD4688 CD4689 CD4690 CD4691 CD4692 4.7 5.1 5.6 6.2 6.8 50 50 50 50 50 0.99 0.97 0.96 0.95 0.90 10.0 10.0 10.0 10.0 10.0 3.0 3.0 4.0 5.0 5.1 60.0 55.0 50.0 45.0 35.0 CD4693 CD4694 CD4695 CD4696 CD4697 7.5 8.2 8.7 9.1 10.0 50 50 50 50 50 0.75 0.50 0.10 0.08 0.10 10.0 1.0 1.0 1.0 1.0 5.7 6.2 6.6 6.9 7.6 31.8 29.0 27.4 26.2 24.8 METALLIZATION: Top: (Anode).....................Al Back: (Cathode)................Au CD4698 CD4699 CD4700 CD4701 CD4702 11.0 12.0 13.0 14.0 15.0 50 50 50 50 50 0.11 0.12 0.13 0.14 0.15 0.05 0.05 0.05 0.05 0.05 8.4 9.1 9.8 10.6 11.4 21.6 20.4 19.0 17.5 16.3 AL THICKNESS....... ......25,000 Å Min CD4703 CD4704 CD4705 CD4706 CD4707 16.0 17.0 18.0 19.0 20.0 50 50 50 50 50 0.16 0.17 0.18 0.19 0.20 0.05 0.05 0.05 0.05 0.01 12.1 12.9 13.6 14.4 15.2 15.4 14.5 13.2 12.5 11.9 CD4708 CD4709 CD4710 CD4711 CD4712 22.0 24.0 25.0 27.0 28.0 50 50 50 50 50 0.22 0.24 0.25 0.27 0.28 0.01 0.01 0.01 0.01 0.01 16.7 18.2 19.0 20.4 21.2 10.8 9.9 9.5 8.8 8.5 CD4713 CD4714 CD4715 CD4716 CD4717 30.0 33.0 36.0 39.0 43.0 50 50 50 50 50 0.30 0.33 0.36 0.39 0.43 0.01 0.01 0.01 0.01 0.01 22.8 25.0 27.3 29.8 32.6 7.9 7.2 6.6 6.1 5.5 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 @ 10µ A. NOTE 3 Zener voltage is read using a pulse measurement, 10 milliseconds maximum. BACKSIDE IS CATHODE FIGURE 1 DESIGN DATA GOLD THICKNESS..........4,000 Å Min CHIP THICKNESS....................10 Mils CIRCUIT LAYOUT DATA: For Zener operation, cathode must be operated positive with respect to anode. TOLERANCES: ALL Dimensions + 2 mils 22 COREY STREET, MELROSE, MASSACHUSETTS 02176 PHONE (781) 665-1071 FAX (781) 665-7379 WEBSITE: http://www.cdi-diodes.com E-mail: [email protected] CD4678 CD4717 thru FIGURE 2 Pd, Rated Power Dissipation (mW) 600 500 400 300 200 100 0 0 25 50 75 100 125 150 175 200 TA, Ambient temperature (C°) POWER DERATING CURVE 1000 500 400 300 3. 3 VO LT 27 100 VO LT 1 5. LT VO ZENER IMPEDANCE ZZT (OHMS) 200 50 40 30 11 20 VO LT 10 6.2 VO LT 5 4 3 2 1 .1 .2 .3 .4 .5 1 2 5 10 20 OPERATING CURRENT lZT (mA) 30 40 50 100 FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT