器件名称:
1N4749
功能描述:
SILICON PLANAR POWER ZENER DIODES
文件大小:
302.44KB 共4页
简 介:
1N4727...1N4764 SILICON PLANAR POWER ZENER DIODES for use in stabilizing and clipping circuits with high power rating. Standard zener voltage tolerance is ±10%. Add suffix "A" for ±5% tolerance and suffix "B" for ±2% tolerance. Other tolerances are available upon request. Max. 2.8 Black Cathode Band Black Part No. Black "ST" Brand Max. 0.7 Min. 25.4 XXX ST Max. 4.2 Min. 25.4 Glass Case DO-41 Dimensions in mm Absolute Maximum Ratings (Ta = 25 OC) Parameter Power Dissipation Junction Temperature Storage Temperature Range 1) Symbol Ptot Tj TS Value 1 1) Unit W O 200 - 65 to + 200 C C O Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. Characteristics at Ta = 25 OC Parameter Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200 mA 1) Symbol RthA VF Max. 170 1) Unit K/W V 1.2 Valid provided that leads at a distance of 8 mm from case 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 : 12/06/2007 1N4727...1N4764 Zener Voltage Range 3), 5) VZnom lZT V mA Maximum Zener Impedance 1) rZJT rZJK at IZK mA Maximum Reverse Leakage Current IR at VR A V Maximum Surge Current 4) at Ta = 25 OC IZSM (mA) Maximum Regulator Current 2) IZM (mA) Type 1N4727 3 83 10 400 1 150 1 1375 275 1N4728 3.3 76 10 400 1 150 1 1375 275 1N4729 3.6 69 10 400 1 100 1 1260 252 1N4730 3.9 64 9 40……
