* 12.8 VOLT NOMINAL ZENER VOLTAGE + 5% 1N4896 thru * TEMPERATURE COMPENSATED ZENER REFERENCE DIODES 1N4915A * LOW NOISE * METALLURGICALLY BONDED * DOUBLE PLUG CONSTRUCTION MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C DC Power Dissipation: 500mW @ +50C Power Derating: 4 mW / C above +50C REVERSE LEAKAGE CURRENT lR = 15 A @ 25C & VR = 8Vdc ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. JEDEC TYPE NUMBER TEST CURRENT l ZT (Note 3) VOLTAGE TEMPERATURE STABILITY VZT (Note 2) TEMPERATURE RANGE EFFECTIVE TEMPERATURE COEFFICIENT MAXIMUM DYNAMIC IMPEDANCE ZZT (Note 1) %/C MAXIMUM NOISE DENSITY ND mA mV C OHMS V/ Hz 1N4896 1N4896A 1N4897 1N4897A 0.5 0.5 0.5 0.5 96 198 48 99 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.01 0.01 0.005 0.005 400 400 400 400 0.8 0.8 0.8 0.8 1N4898 1N4898A 1N4899 1N4899A 0.5 0.5 0.5 0.5 19 40 10 20 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.002 0.002 0.001 0.001 400 400 400 400 0.8 0.8 0.8 0.8 1N4900 1N4900A 1N4901 1N4901A 1.0 1.0 1.0 1.0 96 198 48 99 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.01 0.01 0.005 0.005 200 200 200 200 0.4 0.4 0.4 0.4 1N4902 1N4902A 1N4903 1N4903A 1.0 1.0 1.0 1.0 19 40 10 20 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.002 0.002 0.001 0.001 200 200 200 200 0.4 0.4 0.4 0.4 1N4904 1N4904A 1N4905 1N4905A 2.0 2.0 2.0 2.0 96 198 48 99 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.01 0.01 0.005 0.005 100 100 100 100 0.25 0.25 0.25 0.25 1N4906 1N4906A 1N4907 1N4907A 2.0 2.0 2.0 2.0 19 40 10 20 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.002 0.002 0.001 0.001 100 100 100 100 0.25 0.25 0.25 0.25 DESIGN DATA 1N4908 1N4908A 1N4909 1N4909A 4.0 4.0 4.0 4.0 96 198 48 99 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.01 0.01 0.005 0.005 50 50 50 50 0.22 0.22 0.22 0.22 CASE: Hermetically sealed glass case. DO - 35 outline. 1N4910 1N4910A 1N4911 1N4911A 4.0 4.0 4.0 4.0 19 40 10 20 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.002 0.002 0.001 0.001 50 50 50 50 0.22 0.22 0.22 0.22 LEAD MATERIAL: Copper clad steel. 1N4912 1N4912A 1N4913 1N4913A 7.5 7.5 7.5 7.5 96 198 48 99 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.01 0.01 0.005 0.005 25 25 25 25 0.20 0.20 0.20 0.20 1N4914 1N4914A 1N4915 1N4915A 7.5 7.5 7.5 7.5 19 40 10 20 +25 to +100 -55 to +100 +25 to +100 -55 to +100 0.002 0.002 0.001 0.001 25 25 25 25 0.20 0.20 0.20 0.20 FIGURE 1 LEAD FINISH: Tin / Lead POLARITY: Diode to be operated with the banded (cathode) end positive. MOUNTING POSITION: Any. NOTE 1 Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current equal to 10% of lZT. NOTE 2 The maximum allowable change observed over the entire temperature range, per JEDEC standard No.5. NOTE 3 Zener voltage range equals 12.8 volts + 5%. 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 1N4896 thru 1N4915A 1000 ZENER IMPEDANCE ZZT (OHMS) 500 200 100 50 20 10 5 2 1 2 4 6 8 10 12 OPERATING CURRENT lZT (mA) FIGURE 2 1N4896--1N4899 1N4900--1N4903 1N4904--1N4907 .2 .4 .6 .8 OPERATING CURRENT lZT (mA) 0.5 1.0 1.5 2.0 OPERATING CURRENT lZT (mA) 1.0 2.0 3.0 4.0 OPERATING CURRENT lZT (mA) +.0015 +.0010 +.0005 0 -.0005 -.0010 -.0015 1N4908--1N4911 CHANGE IN TEMPERATURE COEFFICIENT ( %/C) CHANGE IN TEMPERATURE COEFFICIENT ( %/C) ZENER IMPEDANCE VS. OPERATING CURRENT 1N4912--1N4915 +.0015 +.0010 +.0005 0 -.0005 -.0010 -.0015 2 3 4 5 6 OPERATING CURRENT lZT (mA) 6 7 8 9 OPERATING CURRENT lZT (mA) FIGURE 3 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT