
NTE Electronics
Description:
The NTE5538 general purpose SCR is suited for power supplies up to 400HZ on resistive or inductive loads.
FEATUREs:
Glass Passivated Chip
High Stability and Reliability
High Surge Capability
High On–State Current
Easy Mounting on Heatsink
Isolated Package: Insulating Voltage 2500VRMS
Absolute Maximum Ratings:
Peak Forward Blocking Voltage (TJ = +125°C), VDRM . . . . . . . . . . . . . . . . . . 800V
Peak Reverse Blocking Voltage (TJ = +125°C), VRRM . . . . . .. . . . . . . . . . . . . 800V
RMS On–State Current (TC = +70°C, Note 1), IT (RMS) . . . . . . . . . . . . . . . . . 50A
Average On–State Current (TC = +70°C, Note 1), IT(AV) . . . . . . . . . . . . . . . 32A
Non–Repetitive Surge Peak On–State Current (TJ initial = +25°C, Note 2), ITSM
(t = 8.3ms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525A
(t = 10ms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500A
I2t Value (t = 10ms), I2t 1250A . . . . . . . . . . . . . . . . . . . . . . . . . . . 2sec
Critical Rate of Rise of On–State Current (Note 3), di/dt. . . . . . . . .. . . . . 100A/µs
Storage and Operating Junction Temperature Range, Tstg, TJ . . .. . . . . . –40° to +125°C
Thermal Resistance
Junction–to–Case for DC, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . 1°C/W
Contact (Case–to–Heatsink), RthCH . . . . . . . .. . . . . . . . . . . . . . . 0.2°C/W