ZS Series SILICON PLANAR ZENER DIODES Max. 0.45 Min. 27.5 Max. 1.9 Black Cathode Band Black Part No. XXX Max. 2.9 Min. 27.5 Glass Case DO-34 Dimensions in mm Absolute Maximum Ratings (Ta = 25 OC) Parameter Symbol Power Dissipation Ptot Value Unit 1) mW 400 C Junction Temperature Tj 175 O Storage Temperature Range TS - 65 to + 175 O 1) 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 Max. Unit RthA 0.3 1) K/mW VF 1 V Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 100 mA 1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. Characteristics at Ta = 25 OC Type Zener Voltage 1) Min. (V) Max. (V) ZS3C-1 3.1 3.3 ZS3C-2 3.2 3.4 ZS3C-3 3.3 3.5 ZS33-1 31.2 32.6 ZS33-2 32.2 33.6 ZS33-3 33.2 34.6 1) Maximum Dynamic Resistance Maximum Reverse Leakage Current IZT (mA) (Ω) at IZT IZT (mA) IR (µA) VR (V) 5 100 5 5 0.5 2 120 2 1 25 Tested with pulses tp = 20 ms. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 25/06/2007