Dated : 10/09/2009 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® ZMM1...ZMM75 Silicon Epitaxial Planar Zener Diodes in MiniMELF case especially for automatic insertion. The Zener voltages are graded according to the international E24 standard. Smaller voltage tolerances and higher Zener voltages are upon request. These diodes are also available in DO-35 case with the type designation BZX55C... Absolute Maximum Ratings (Ta = 25 OC) Parameter Symbol Value Unit Power Dissipation Ptot 500 1) mW Junction Temperature Tj 175 OC Storage Temperature Range Tstg - 55 to + 175 OC 1) Valid provided that electrodes are kept at ambient temperature Characteristics at Ta = 25 OC Parameter Symbol Max. Unit Thermal Resistance Junction to Ambient Air RthA 0.3 1) K/mW Forward Voltage at IF = 100 mA VF 1 V 1) Valid provided that electrodes are kept at ambient temperature LL-34 Dated : 10/09/2009 SEMTECH ELECTRONICS LTD. (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) ® ZMM1...ZMM75 Characteristics at Ta = 25 OC Zener Voltage Range 1) Dynamic Resistance Reverse Leakage Current VZnom VZT at lZT ZZT ZZK at IZKTa = 25 OCTa = 125 oC at VR Temp. Coefficient of Zener VoltageType (V) (V) (mA) Max. (Ω)Max. (Ω)(mA)Max. (µA)Max. (µA) (V) TKvz (%/K) ZMM12) 0.75 0.7...0.8 5 8 50 1 - - - -0.26...-0.23 ZMM2V0 2 1.8...2.15 5 85 600 1 100 200 1 -0.09...-0.06 ZMM2V2 2.2 2.08...2.335 85 600 1 75 160 1 -0.09...-0.06 ZMM2V4 2.4 2.28...2.565 85 600 1 50 100 1 -0.09...-0.06 ZMM2V7 2.7 2.5...2.9 5 85 600 1 10 50 1 -0.09...-0.06 ZMM3V0 3 2.8...3.2...
