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NTE5437 Datasheet, PDF (1/2 Pages) NTE Electronics – Silicon Controlled Rectifier (SCR) 8 Amp
NTE5437 & NTE5438
Silicon Controlled Rectifier (SCR)
8 Amp
Description:
The NTE5437 and NTE5438 are silicon controlled rectifiers (SCR) in a TO220 type package designed
for general purpose high voltage applications where gate sensitivity is required.
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Repetitive Peak Off–State Voltage (TJ = –40° to +125°C, RGK = 1kΩ), VDRM, VRRM
NTE5437 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400V
NTE5438 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600V
On–State Current (All Conducting Angles, TC = +85°C), IT(RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . 8A
Average On–State Current (Half Cycle, = 180°, TC = +85°C), IT(AV) . . . . . . . . . . . . . . . . . . . . 5.1A
Non–Repetitive On–State Current, ITSM
Half Cycle, 60Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88A
Half Cycle, 50Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80A
Fusing Current (t= 10ms, Half Cycle), I2t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32A2s
Peak Reverse Gate Voltage (IGR = 50µA), VGRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V
Peak Gate Current (10µs Max), IGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Peak Gate Dissipation (10µs Max), PGM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5W
Gate Dissipation (20ms Max), PG(AV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5W
Oprating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Lead Temperature (During Soldering, 1.6mm from case, 10sec Max), TL . . . . . . . . . . . . . . . +250°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4K/W
Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60K/W
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Max Unit
Off–State Leakage Current
IDRM, IRRM VDRM + VRRM = Rated Voltage,
RGK = 1kΩ
TJ = +125°C –
TJ = +25°C –
0.5 mA
5.0 µA
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