1N959B

Transys Electronics LIMITED 1N957B to 1N977B DO- 35 Glass Axial Package Hermetically Sealed Glass Package Zener Diodes ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise ) DESCRIPTION Zener Voltage Steady State Power Dissipation Derating Factor above 50ºC Operating and Storage Temperature VALUE 6.8 to 47 400 3.2 -65 to +175 UNIT V mW mW/ºC ºC ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise ) Device * Nominal (Note 1) Zener Voltage VZ @ IZT Zener Test Current IZT Max Zener Impedance ZZT @ IZT (Ω ) 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 80 93 105 ZZK @ ZZK IZK (Ω ) 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 (mA) 1.0 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Max Reverse Leakage Current IR @ VR VF < 1.5V max @ IF=200mA Max DC Max. Surge Zener Current Current (Recurrent) IZ ( Surge) IZM Max Temp. Coefficient Voltage Vz 1N957B 1N958B 1N959B 1N960B 1N961B 1N962B 1N963B 1N964B 1N965B 1N966B 1N967B 1N968B 1N969B 1N970B 1N971B 1N972B 1N973B 1N974B 1N975B 1N976B 1N977B (Volts) 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 (mA) 18.5 16.5 15 14 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 (µ A) 150 75 50 25 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 (Volts) 5.2 5.7 6.2 6.9 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 (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 (mA) 300 275 250 225 200 175 160 150 130 120 110 100 90 80 70 65 60 55 46 44 40 % / ºC +0.05 +0.058 +0.065 +0.068 +0.075 +0.076 +0.077 +0.079 +0.082 +0.083 +0.085 +0.086 +0.087 +0.088 +0.090 +0.091 +0.092 +0.093 +0.094 +0.095 +0.095 Note (1) : Part No. suffix specifies the Tolerance of VZ No Suffix = +/- 20% Suffix A = +/- 10% * Pulse Condition : 20mS < tp 50mS, Duty Cycle