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| * 1N962B THRU 1N986B AVAILABLE IN JANHC AND JANKC PER MIL-PRF-19500/117 * ZENER DIODE CHIPS * 0.5 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 CD957B thru CD986B MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C Forward Voltage @ 200mA: 1.5 volts maximum 23 MILS 15 MILS ELECTRICAL CHARACTERISTICS @ 25C CDI TYPE NUMBER (NOTE 1) NOMINAL ZENER VOLTAGE VZ (NOTE 2) VOLTS CD957B CD958B CD959B CD960B CD961B CD962B CD963B CD964B CD965B CD966B CD967B CD968B CD969B CD970B CD971B CD972B CD973B CD974B CD975B CD976B CD977B CD978B CD979B CD980B CD981B CD982B CD983B CD984B CD985B CD986B 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100 110 mA 18.5 16.5 15.0 14.0 12.5 11.5 10.5 9.5 8.5 7.8 7.0 6.2 5.6 5.2 4.6 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 2.0 1.8 1.7 1.5 1.4 1.3 1.1 ZENER TEST CURRENT l ZT MAXIMUM ZENER IMPEDANCE (NOTE 3) ZZT @ l ZT OHMS 4.5 5.5 6.5 7.5 8.5 9.5 11.5 13 16 17 21 25 29 33 41 49 58 70 90 93 105 125 150 185 230 270 330 400 500 750 ZZK @ l ZK OHMS 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 4000 mA 1.0 .5 .5 .5 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 .25 mA 55 50 45 41 38 32 31 28 25 24 20 18 16 15 13 12 11 10 9.5 8.8 7.9 7.4 6.8 6.0 5.5 5.0 4.6 4.1 3.7 3.3 MAX. DC ZENER CURRENT l ZM MAX. REVERSE LEAKAGE CURRENT lR @ VR Backside is Cathode A 5.0 5.0 5.0 5.0 2.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 VOLTS 5.2 5.7 6.2 6.9 7.6 8.4 9.1 9.9 11 12 14 15 17 18 21 23 25 27 30 33 36 39 43 47 52 56 62 69 76 84 FIGURE 1 DESIGN DATA METALLIZATION: Top: (Anode) .....................Al Back: (Cathode) ...............Au AL THICKNESS. ..........25,000 A Min GOLD THICKNESS. ......4,000 A 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 NOTE 1 NOTE 2 NOTE 3 Zener voltage range equals nominal voltage + 5% for "B" Suffix. "A" Suffix denotes + 10%, No Suffix denotes + 20%. "C" suffix = + 2% and "D" suffix = + 1%. Zener voltage is read using a pulse measurement, 10 milliseconds maximum. Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal to 10% of 1ZT 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 15 MILS 23 MILS CD957B thru CD986B 1000 500 400 300 200 ZENER IMPEDANCE ZZT (OHMS) 3. 3 VO LT 27 100 VO LT 1 5. LT VO 50 40 30 20 11 VO LT 10 5 4 3 2 6.2 VO LT 1 .1 .2 .3 .4 .5 1 25 10 20 OPERATING CURRENT lZT (mA) 30 40 50 100 FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT |
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