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符號
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術語
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單位
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英文
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VRRM
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反向重復峰值電壓
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V
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repetitive peak reverse voltage
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VDRM
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斷態重復峰值電壓
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V
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repetitive peak of-state current
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VDSM
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斷態不重復峰值電壓
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V
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non-repetitive peak off-state voltage
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VRSM
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反向不重復峰值電壓
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V
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non-reetitive peak reverse voltage
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VTM
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通態峰值電壓 （晶閘管）
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V
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peak on-state voltage
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VFM
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正向峰值電壓 (整流管)
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V
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peak forward voltage (of diode)
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VT
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通態平均電壓 （晶閘管）
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V
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Average on-state voltage
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VF
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正向平均電壓 (整流管)
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V
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Average forward voltage
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VTO
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通態門檻電壓 （晶閘管）
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V
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On state threshold voltage
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VFO
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通態平均電壓 （晶閘管）
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V
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The positive threshold voltage
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VGT
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門極觸發電壓
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V
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gate trigger voltage
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VTSO
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絕緣電壓
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V
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Insulation voltage
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IRRM
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反向重復峰值電流
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mA
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repetitive peak reverse current
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IDRM
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斷態重復峰值電流
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mA
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Repetitive peak off-state current
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IT(AV)
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通態平均電流 （晶閘管）
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A
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mean on-state current
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IF(AV)
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正向平均電流(整流管)
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A
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Average forward current
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ITRMS
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通態電流有效值
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A
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On-state current effective value
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ITSM
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通態浪涌電流（晶閘管）
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A
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surge on-state current
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ITM
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通態峰值電流 （晶閘管）
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A
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peak on-state current
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IGT
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門極觸發電流
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mA
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gate trigger current
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IFSM
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正向浪涌電流 (整流管)
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A
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surge forward current
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IFM
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正向峰值電流 (整流管)
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A
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peak forward current (of diode)
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IFRMS
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正向電流有效值
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A
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Forward current effective value
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I2t
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電流平方時間積
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A2S
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Circuit Fusing Consideration
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IH
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維持電流
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mA
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Holding Current
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IO
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額定整流電流（輸出值）
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A
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Rated current (output value)
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IR
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反向電流
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mA
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reverse current
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Irr
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反向恢復電流（ZK）
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A
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reverse recovery current
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IL
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擎住電流
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mA
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Latching Current (IGT3)
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dv/dt
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斷態電壓臨界上升率
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V/us
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critical rate of rise of off-state voltage
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di/dt
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通態電流臨界上升率
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A/us
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critical rate of rise of on-state current
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(di/dt)C
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換向電壓臨界上升率(KS)
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A/us
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critical rate of rise of commutating voltage
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rT
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通態斜率電阻 （晶閘管）
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MΩ
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On-state slope resistance
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rF
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正向斜率電阻 (整流管)
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MΩ
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The positive slope resistance
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Rjc
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結殼熱阻抗
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℃/W
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junction-case thermal resistance
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PSM
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反向浪涌功率
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W
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Surge reverse power
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PQ
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門極平均功率
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W
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Average gate power
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PGM
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門極峰值功率
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W
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peak gate power
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Qrr
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反向恢復電荷 （ZK）
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uc
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reverse recovery charge
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Tjm
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最高額定結溫
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℃
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maximum virtual junction temperature
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THS
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散熱器溫度
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℃
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Radiator temperature
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Tq
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電路換向關斷時間 （KK）
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us
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cricuit commutated turn-off time
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ton
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開通時間
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us
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turn on time
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trr
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反向恢復時間 （ZK）
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us
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reverse recovery time (of diode)
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TC
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管殼溫度
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℃
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Shell and tube temperature
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Tstg
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貯存溫度
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℃
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Storage Temperature Range
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ts
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存儲時間
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h
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storage time
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