ZMU100...ZMU180 SILICON PLANAR POWER ZENER DIODES for use in stabilizing and clipping circuits with high power rating. The Zener voltages are graded according to the international E 12 standard. Smaller voltage tolerances are upon request. LL-41 Absolute Maximum Ratings (Ta = 25 OC) Parameter Symbol Power Dissipation Ptot Value 1 Unit 1) W Junction Temperature Tj 175 O Storage Temperature Range TS - 55 to + 175 O Symbol Max. Unit 1) K/W 1) C C Valid provided that electrodes are kept at ambient temperature. Characteristics at Tamb = 25 OC Parameter RthA Thermal Resistance Junction to Ambient Air 1) 170 Valid provided that electrodes are kept at ambient temperature. Characteristics at Tamb = 25 OC Zener Voltage 2) Type ZMU100 ZMU120 ZMU150 ZMU180 Maximum Dynamic Resistance Maximum Reverse Leakage Current Admissible Zener Current 1) VZ (V) at IZT (mA) ZZT (Ω) at IZT (mA) IR (µA) at VR (V) IZ (mA) 88...110 107...134 130...165 160...200 5 5 5 5 300 330 360 380 5 5 5 5 0.5 0.5 0.5 0.5 75 90 112 134 7 6 5 4 1) Valid provided that electrodes are kept at ambient temperature. 2) 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 : 04/09/2008 ZMU100...ZMU180 Breakdown characteristics Tj = constant (pulsed) ZMU... mA 10 Tj=25o C ZMU 100 ZMU 120 Iz 8 ZMU 150 6 ZMU 180 4 2 0 0 50 100 150 250 V 200 Vz 1.0 Power Dissipation: Ptot (W) P tot0.8 Admissible power dissipation Admissible power dissipation versus ambient temperature versus ambient temperature Pulse thermal resistance versus pulse duration Valid provided that electrodes kept Valid provided that electrodes are are kept at at temperature. ambient temperature. ambient Valid provided that electrodes are kept at ambient temperature. ZMU... W 1.0 K/W ZMU... 3 10 r thU 0.8 5 4 3 2 2 10 0.6 0.5 0.6 5 4 3 0.2 2 0.4 0.1 10 0.4 0.2 tp 0.05 5 4 3 tp V= PI T 0.02 2 0.2 T 0.01 V=0 1 10 -5 10 -4 0 0 0 10 -3 10 -2 10 -1 1 10 S o 100 200 C tp 0 25 100 150 Ambient Temperature: Ta ( C) Tamb 200 O SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 04/09/2008