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