ZMU100 - ZMU180 HIGH VOLTAGE PLANAR POWER ZENER DIODE Features · · · · 1.0 Watt Dissipation Rating Planar Die Construction 100V -180V Nominal Zener Voltages Hermetic Glass Body for High Reliability A B C Mechanical Data · · · · MELF Case: Glass, MELF Terminals: Solderable Per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 0.25 grams (approx.) Dim Min Max A 4.8 5.2 B 2.4 2.5 C 0.4 Nominal All Dimensions in mm Maximum Ratings @ TA = 25°C unless otherwise specified Symbol Value Unit Zener Current (see Table) Characteristics — — — Power Dissipation (Note 1) Pd 1.0 W RqJA 150 K/W Tj, TSTG –55 to +175 °C Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Type Number @ TA = 25°C unless otherwise specified Zener Voltage Range (Note 2) Maximum Dynamic Impedance Typ. Temperature Coefficient of Zener Voltage Test Current Minimum Reverse Voltage Maximum Zener Current (Note 1) VZ @ IZT ZZT @ IZT @ IZT IZT VR @ IR = 0.5 µA IZM Volts Ohms %/°C mA Volts mA ZMU100 88-110 300 +.110 5 75 7 ZMU120 107-134 330 +.110 5 90 6 ZMU150 130-165 360 +.110 5 112 5 ZM33U180 160-200 380 +.110 5 134 4 Notes: 1. Valid provided that electrodes are kept at specified ambient temperature 2. Tested with pulses tp = 20 ms. DS18008 Rev. D-3 1 of 2 ZMU100-ZMU180 ZMU100 1.0 TA = 25°C ZMU120 8 Pd, POWER DISSIPATION, (W) IZT, ZENER CURRENT (mA) 10 ZMU150 6 (See Note 2) ZMU180 4 2 0 0 50 100 150 200 250 VZ, ZENER VOLTAGE (V) Fig. 1 Zener Breakdown Characteristics DS18008 Rev. D-3 (See Note 1) 0.5 0 0 100 200 TA, AMBIENT TEMPERATURE (ºC) Fig. 2 Power Derating Curve 2 of 2 ZMU100-ZMU180