ZMU100 THRU ZMU180 ZENER DIODES MELF FEATURES ♦ Silicon Planar Power Zener Diodes .102 (2.6) .094 (2.4) Cathode Mark .022 (0.55) .205 (5.2) .189 (4.8) ♦ For use in stabilizing and clipping circuits with higher power rating. ♦ The Zener voltages are graded according to the international E 12 standard. Smaller voltage tolerances are available upon request. ♦ These diodes are also available in the DO-41 case with the type designation ZPU100 … ZPU180. Dimensions are in inches and (millimeters) MECHANICAL DATA Case: MELF Glass Case Weight: approx. 0.25 g MAXIMUM RATINGS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOL VALUE UNIT Ptot 1.01) Watts Junction Temperature Tj 150 °C Storage Temperature Range TS – 55 to +150 °C Zener Current (see Table “Characteristics”) Power Dissipation at Tamb = 25°C NOTES: (1) Valid provided that electrodes are kept at ambient temperature. 12/16/98 ZMU100 THRU ZMU180 ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Thermal Resistance Junction to Ambient Air SYMBOL MIN. TYP. MAX. UNIT RthJA – – 1701) °C/W NOTES: (1) Valid provided that electrodes are kept at ambient temperature. Zener voltage(1) at IZT Type VZ (V) Dynamic Resistance at IZT f = 1 kHz rZj (Ω) Temp. Coeff. of Zener Voltage at IZT Test current αVZ (10–4/K) IZT (mA) Reverse Voltage at IR = .5 µA VR (V) Admissible Zener current(2) at Tamb = 25°C IZ (mA) ZMU100 88 … 110 140 (< 300) +9 … +13 5 > 75 7 ZMU120 107 … 134 170 (< 330) +9 … +13 5 > 90 6 ZMU150 130 … 165 200 (< 360) +9 … +13 5 > 112 5 ZMU180 160 … 200 220 (< 380) +9 … +13 5 > 134 4 NOTES: (1) Tested with pulses tp = 5 ms (2) Valid provided that electrodes are kept at ambient temperature RATINGS AND CHARACTERISTIC CURVES ZMU100 THRU ZMU180