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參數(shù)資料
| 型號： | R0878LS20M |
| 廠商： | WESTCODE SEMICONDUCTORS LTD |
| 元件分類： | 晶閘管 |
| 英文描述： | 1765 A, 2000 V, ASSYMETRIC SCR |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 347K |
| 代理商： | R0878LS20M |
WESTCODE Positive development in power electronics
R0878LS16x to R0878LS21x
Data Sheet. Types R0878LS16x to R0878LS21x Issue 1
Page 3 of 12
June, 2001
Notes on Ratings and Characteristics
1.0 Voltage Grade Table
Voltage Grade
VDRM VDSM
V
VRRM
V
VRSM
V
VD
DC V
VR
DC V
16
1600
1300
1400
1040
870
18
1800
1500
1600
1150
985
20
2000
1700
1800
1250
1095
21
2100
1800
1900
1300
1150
2.0 Extension of Voltage Grades
This report is applicable to other and higher voltage grades when supply has been agreed by
Sales/Production.
3.0 Extension of Turn-off Time
This Report is applicable to other tq/re-applied dv/dt combinations when supply has been agreed by
Sales/Production.
4.0 Repetitive dv/dt
Higher dv/dt selections are available up to 1000V/s on request.
5.0 De-rating Factor
A blocking voltage de-rating factor of 0.13%/°C is applicable to this device for Tj below 25°C.
6.0 Rate of rise of on-state current
The maximum un-primed rate of rise of on-state current must not exceed 1500A/s at any time during
turn-on on a non-repetitive basis. For repetitive performance, the on-state rate of rise of current must not
exceed 1000A/s at any time during turn-on. Note that these values of rate of rise of current apply to the
total device current including that from any local snubber network.
7.0 Square wave ratings
These ratings are given for load component rate of rise of forward current of 100 and 500A/s.
8.0 Duty cycle lines
The 100% duty cycle is represented on all the ratings by a straight line. Other duties can be included as
parallel to the first.
9.0 Maximum Operating Frequency
The maximum operating frequency is set by the on-state duty, the time required for the thyristor to turn off
(tq) and for the off-state voltage to reach full value (tv), i.e.
v
q
pulse
t
f
+
=
1
max
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