1N973B

1N957 thru 1N984 Nominal Zener Voltage 6.8 to 91 Volts Features Silicon Planar Power Zener Diodes. Standard Zener voltage tolerance is ±5% for “A” suffix, and ±10% for “B” suffix . Other tolerances are available upon request. Zener Diodes Power Dissipation 500mW Mechanical Data Case: DO-35 Glass Case Weight: approx. 0.13 gram Maximum Ratings and Thermal Characteristics (TA=25oC unless otherwise noted) Parameter Symbol Value Unit Zener current (see Table "Characteristics") Power dissipation at TL=25oC Ptot 500 (1) mW Thermal resistance junction to ambient air RθJA 300 (1) oC/W Junction temperature Tj 175 oC Storage temperature range TS -65 to +175 oC Notes: 1. Valid provided that leads at a distance of 3/8" from case are kept at ambient temperature. 485 Electrical Characteristics (TJ=25oC unless otherwise noted) Maximum VF=0.9V at IF=10mA Type number 1N957B Nominal zener voltage V (3) Z (Volts) 6.8 Test current IZT (mA) 18.5 Maximum zener impedance (1) ZZT @ IZT (Ω) ZZK @ IZK (Ω) IZK (mA) 4.5 700 1 Maximum regulator current I (2) ZM (mA) 58 Maximum reverse current IR Maximum (uA) 150 Test voltage Vdc (Volts) 5.2 1N958B 7.5 16.5 5.5 700 0.5 53 75 5.7 1N959B 8.2 15 6.5 700 0.5 47 50 6.2 1N960B 9.1 14 7.5 700 0.5 43 25 6.9 1N961B 10 12.5 8.5 700 0.25 40 10 7.6 1N962B 11 11.5 9.5 700 0.25 36 5 8.4 1N963B 12 10.5 11.5 700 0.25 32 5 9.1 1N964B 13 9.5 13 700 0.25 29 5 9.9 1N965B 15 8.5 16 700 0.25 27 5 11...