二极管参数中英文对照表(最新整理)

1、二极管参数中英文对照表参数文字符号一览表文字符号中文englishif(av)正向平均电流(整流管)mean foreard current (of diode)it(av)通态平均电流mean on-state currentvrsm反向不重复峰值电压non-reetitive peak reverse voltagevrrm反向重复峰值电压repetitive peak reverse voltagevdsm断态不重复峰值电压non-repetitive peak off-state voltagevdrm断态重复峰值电压repetitive peak off-state voltagev

2、fm正向峰值电压(整流管)peak forward voltage (of diode)vtm通态峰值电压peak on-state voltagetjm最高等效结温maximum virtual junction temperaturef紧固力mounting forceirrm反向重复峰值电流repetitive peak reverse currentidrm断态重复峰值电流repetitive peak of-state currentvgt门极触发电压gate trigger voltageigt门极触发电流gate trigger currentrjc结壳热阻junction-ca

3、se thermal resistanceqrr反向恢复电荷reverse recovery chargeitm通态峰值电流peak on-state currentifm正向峰值电流(整流管)peak forward current (of diode)itsm通态浪涌电流surge on-state currentdv/dt断态电压临界上升率critical rate of rise of off-state voltagedi/dt通态电流临界上升率critical rate of rise of on-state currenttgt门极控制开通时间gate controlled tu

4、rn-on timetq电路换向关断时间cricuit commutated turn-off timeirms通态方均根电流r.m.s. on-state current(dv/dt)c换向电压临界上升率(双向晶闸管)critical rate of rise of commutating voltage(of bi-directional thyristor)trr反向恢复时间(二极管的)reverse recovery time (of diode)ton开通时间turn on timets存储时间storage timetf下降时间fall timecjjunction capacit

5、ance 结电容vrectification efficiency 整流效率ifdc forward current 正向直流电流i(av)average forward rectified current 正向平均整流电流idstand-off reverse leakage current 关态反向漏电流ifsmpeak forward surge current 正向浪涌峰植电流itsmnon repetitive surge peak on-state current 不重复浪涌峰值开态电流idmmaximum reverse leakage 最大反向漏电流ifrmrepetitive

6、 peak forward current 正向重复峰值电流ihholding current 维持电流iomean forward current 正向平均电流irreverse leakage current 反向漏电流irrreverse recovery current 反向恢复电流ippmmaximum peak lmpulse current 最大脉冲峰值电流irmmaximum peak reverse current 最大峰值反向电流irm(rec) maximum peak reverse recovery current 最大峰值反向恢复电流irsmmaximum non-

7、repetitive recovery peak current 最大峰值反向恢复电流iton-state test current 导通测试电流i2trating for fusing 正向浪涌电流的平方对电流浪涌持续时间的积分值pm(av)maximum steady state power dissipation 最大稳态功耗ppmpeak pulse power dissipation 峰值脉冲功耗ptottotal power dissipation 总功耗qrrrecovered charge 恢复电荷rojathermal resistance (junction to ambi

8、ent) 热阻（结到环境）rojcthermal resistance（junction to case ） 热阻（结到管壳）rojlthermal resistance（junction to lead ） 热阻（结到引线）taambient temperature 环境温度tccase temperature 管壳温度tdtime duration 持续时间tffall time 下降时间tjjunction temperature 结温tllead temperature 引线温度tfrforward recovery time 正向恢复时间trrise time 上升时间trrreve

9、rse recovery time 反向恢复时间tstgstorage temperature 存储温度vbobreakover voltage 转折电压v（br） reverse breakdown voltage 反向击穿电压vfinstantaneous forward voltage 正向瞬态电压vfrforward recovery voltage 正向恢复电压vdc,vrdc reverse voltage 反向直流电流vrmmaximum reverse paek reverse voltage 最大重复峰值反向电压vrmsrms input voltage 均方根输入电压vrr

10、mpeak repetitive reverse voltage 反向重复峰值电压vwmworking peak reverse voltage 反向工作峰值电压vcclamping voltage 箝位电压vwmworking stand-off voltage 关态工作电压vzzener voltage 齐纳电压zzdynamia zener impedance 动态齐纳阻抗vftemperature coefficient of forward voltage 正向压降的温度系数二极管电压参数及含义1) uto:阈值电压。2) ubo:转折电压。3) ubr:击穿电压。4) uc:钳位电

11、压。5) udc:直流反向电压。6) ufm:最高正向电压。7) ufrm:最高正向恢复峰值电压。8) ufr:正向恢复电压。9) uf:正向直流电压降,是指二极管通过额定正向电流时,在两极之间所产生的电压降。10) uis0:绝缘电压。11) uo(av):输出电压平均值。12) uo:输出电压。13) ur(dc):反向电压(直流)。14) ur(rms):反向电压(有效值)。15) urm:最高反向峰值电压,是指为避免二极管在没有反向电流的情况下被击穿所能加的最大反向电压。16) urrm:反向重复峰值电压。17) ursm:反向不重复峰值电压。18) urwm:反向工作峰值电压。19)

12、 ur:反向直流电压,是指连续给二极管加上反向直流电压时不被击穿的最大值。20) uwm:变位电压。21) uz:齐纳电压(稳定电压),是指二极管在正常工作时管子两端的电压值。“”“”at the end, xiao bian gives you a passage. minand once said, people who learn to learn are very happy people. in every wonderful life, learning is an eternal theme. as a professional clerical and teaching position, i understand the importance of continuous learning, life is diligent, nothing can be gained, only continuous learning can achieve better self. only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterp