ZMM18

ZMM 1...ZMM200 SILICON PLANAR ZENER DIODES LL-34 in MiniMELF case especially for automatic insertion. The Zener voltages are graded according to the international E 24 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 = 25oC) Symbol Value Unit Ptot 500 1) mW Junction Temperature Tj 175 O Storage Temperature Range TS -55 to +175 O Power Dissipation 1) C C Valid provided that electrodes are kept at ambient temperature Characteristics at Tamb = 25oC Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 100mA 1) Symbol Min. Typ. Max. Unit RthA - - 0.31) K/mW VF - - 1 V Valid provided that electrodes are kept at ambient temperature SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 20/09/2005 ZMM 1...ZMM200 Zener Voltage Range1) Type for VZT 2) rZJK at IZK Ω mA Reverse Leakage Current Ta =25oC Ta = 125oC μA Temp coefficient of Zener Voltage TKvz %/K -0.26...-0.23 mA V rZJT Ω μA IR at VR V ZMM 13) 0.75 5 0.7...0.8