Silicon Controlled Rectifiers (SCR)
For Phase Control Applications
DC or Pk Volts
VDRM
IT(RMS) Maximum Forward Current Amps (All Conducting Angles)
35A 40A 50A 55A
50 NTE5541 - - - - - - -
100 NTE5542 - - - - - - -
200 NTE5543 NTE5517 NTE5562 - - - - NTE54000
300 NTE5544 - - - - - - -
400 NTE5545 NTE5518 NTE5564 - - - NTE5539 NTE54001
500 NTE5546 - - - - - - -
600 NTE5547 NTE5519 NTE5566 NTE5534A - - - NTE54002
800 NTE5548 - - - NTE5536 NTE5538 NTE5540 NTE54003
1000 - - - - - - - NTE54004
IGT Max * 30mA 30mA 30mA 80mA 50mA 80mA 40mA 40mA
VGT Max (V) 2 2 2 1.5 1.5 3 1.5 1.5
IHold Max (mA) 50 50 50 150 60 150 60 60
VF(on) (V) 1.6 1.6 1.6 2.0 1.6 2 1.8 1.8
ISurge (A) 300 300 300 525 400 525 650 650
VGFM (V) 10 10 10 - - 15 - -
VGRM (V) 10 10 10 - - 5 - -
Mounting Torque
in·lb (m·N)
30 (3.33) - 30 (3.33) - - - - -
Thread Size 1/4-28
UNF-2A
- 1/4-28
UNF-2A
- - - - -
Pkg. Type
Case Style TO48 1/2"
Press Fit
TO48
Isol Stud
TO3
Isolated
Flange
TO220 TO218
Isolated
TO218 TO220
* IGT (max) is the maximum gate current required to switch a thyristor to the on state.

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