1775470 C O D I SEMICONDUCTOR INC 80D 00555 90) pe Bfarzsuzo oooosss 2 CODI Semiconductor, Inc. a DB Ta-1~ A OF aie | e 11.7 VOLT NOMINAL ZENER VOLTAGE * TEMPERATURE COMPENSATED ZENER REFERENCE DIODES IN941 thru IN945B *MAXIMUM RATINGS Operating Temperature: -65C to +200C rie MAX Storage Temperature: -65C to +200C DC Power Dissipation: 500mW @ 50C Power Derating: 3.33 mW/C above 50C *ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified VOUTAGE MAXIMUM | TEMPERATURE 1,000 ZENER ZENER ZENER STABILITY EFFECTIVE HOt min. JEDEC VOLTAGE TEST IMPEDANCE (Note 2) | TEMPERATURE | TEMPERATURE TYPE CURRENT (Note 1) (aVz1) RANGE COEFFICIENT 0018/0027 gy ll, NUMBERS V7 @ 127 izr Zr MAXIMUM o.es7/0.550 A VOLTS mA OHMS mv *c C INSAIA this 1328 58 30 1B 5p to #100 OL INCH . -55 tot fae 1N941B 1112 1238 78 30 239 285 to +150 01 All dimensions in eas 1N942 1112-1228 75 30 44 Oto+ 75 005 INQ4ZA 1112-1238 78 30 90 -55 to +100 005 FIGURE 1 1N9428 1112 1238 75 30 120 88 to +150 008 1N943 11.12-1228 75 30 18 Oto+ 75 002 INQ43A 1112-12 38 75 30 36 -55 to +100 002 1N943B 11.12 - 12 38 75 30 a7 288 to +150 002 1N944 11.12 1228 75 30 9 Oto+ 75 001 DESIGN DATA 1N944A 1112-12 28 75 30 18 -55 to +100 001 1N944B 1113 1228 75 30 24 85 to +150 001 me ligea | # | #8 | 4 | eng | a CASE: Hermeticelly, sealed : : -55 to+ : _ i N945 1112.12 28 75 30 12 -55 to +150 0005 glass case. DO-7 outline. LEAD MATERIAL: Copper clad steel. LEAD FINISH: Tin Plate THERMAL RESISTANCE: 250 C/W (Typical) junction to ambient. POLARITY: Diode to be oper- ated with the banded *JEDEC Registered Data, NOTE1 Zener impedance is derived by superimposing on izt a 60Hz rms (cathode) end positive with a.c. current equal to 10% of Izt. respect to the opposite end.* WEIGHT: 0.2 grams. NOTE2 The maximum allowable change observed over the entire tempera- MOUNTING POSITION: Any. the diode voltage will not exceed the specified temperature between the established limits. ture range i.e., mV at any discrete PRS Ce FAX NUMBER: 201-298-0477 CEE TOLL-FREE: 1-800-232-CODI TELEX: 844-796Pd, Rated Power 1775470 C O D I SEMICONDUCTOR INC 90D 00556 D JTe-Hl-il Dissipation (mW) 600 500 400 300 200 100 ZENER IMPEDANCE 227 (OHMS) 1N941 thru INQ45B 2 2 Bsr? cogoss. 4 ff d 0 25 50 75 100 125 150 175 200 Ti, Lead temperature (C) 3/8 from body FIGURE 2 POWER DERATING CURVE he et il +0010 |:.:.: Hite: ul Let 5 F005] Da eesaaitill So : J vad ce fC Late a & 0}. t a 5 Uap tp fe Heli z 5 -=0005 ie ugh Spb et Zz Ww -.0010)".: <= 6 Hu x oO BH THE | | 55 60 6 70 75 80 85 90 95 OPERATING CURRENT Izt (mA) +) FIGURE 3 : - TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT 100 0} 3 OPERATING CURRENT Izt (mA) FIGURE 4 ~ TYPICAL CHANGE OF ZENER IMPEDANCE WITH CHANGE IN OPERATING CLIRRENT