1N757

1N746...1N759 SILICON PLANAR ZENER DIODES Standard Zener voltage tolerance is ± 10%. Add suffix "A" for ± 5% tolerance. Other tolerances, nonstandard and higher Zener voltages are upon request. Max. 0.5 Min. 27.5 Max. 1.9 Black Cathode Band Black Part No. Black "ST" Brand XXX ST Max. 3.9 Min. 27.5 Glass Case DO-35 Dimensions in mm Absolute Maximum Ratings (Ta = 25 OC) Parameter Power Dissipation Junction Temperature Storage Temperature Range 1) Symbol Ptot Tj TS Value 500 1) Unit mW O 175 - 65 to + 175 C C O Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case Characteristics at Ta = 25 OC Parameter Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200 mA 1) Symbol RthA VF Max. 0.3 1) Unit K/mW V 1.2 Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 13/06/2007 1N746...1N759 Zener Voltage Range 1) Type Vznom (V) 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 12 lZT (mA) 20 20 20 20 20 20 20 20 20 20 20 20 20 20 Maximum Zener Impedance ZZT (Ω) at IZT 28 24 23 22 19 17 11 7 5 6 8 10 17 30 Maximum Reverse Leakage Current IR at VR = 1 V Ta = 25 OC IR (µA) 10 10 10 2 2 1 1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Ta = 150 OC IR (µA) 30 30 30 30 30 20 20 20 20 20 20 20 20 20 2) Maximum Regulator Current IZM (mA) 110 100 95 85 75 70 65 60 55 50 45 40 35 30 1N746 1N747 1N748 1N749 1N750 1N751 1N752 1N753 1N754 1N755 1N756 1N757 1N758 1N759 1) 2) Tested with pulses tp = 20 ms Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. 500 Power Dissipation: Ptot (mW) 400 300 200 100 0 0 25 100 150 Ambient Temperature: Ta ( C) O 200 Power Derating Curve SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 13/06/2007