NTE5424 Datasheet, PDF (2/2 Pages) NTE Electronics – Silicon Controlled Rectifier (SCR) for TV Power Supply Switching

Electrical Characteristics: (T_C = +25°C, “Maximum Ratings” unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Peak Forward Blocking Current
I_DRM V_D = 400V, T_C = +100°C
– 0.5 3.0 mA
Peak Reverse Blocking Current
I_RRM V_R = 400V, T_C = +100°C
– 0.3 1.5 mA
Forward ON Voltage
V_TM I_TM = 30A
– 2.34 4.0 V
Gate Trigger Current, Continuous DC
I_GT Anode Voltage = 12V, R_L = 30Ω
–
– 50 mA
Gate Trigger Voltage, Continuous DC
V_GT Anode Voltage = 12V, R_L = 30Ω
– 1.2 2.5 V
DC Holding Current
I_H
– 20 50 mA
Rate of Rise of Off–State Voltage
Turn–On Time
dv/dt
t_gt
V_D = 400V, T_C = +80°C
V_D = 400V, I_T = 8A (Peak),
I_GT = 300mA, t_r = 0.1µs
100 250
– 0.7
– V/µs
– µs
Circuit Commutated Turn–Off Time
t_q V_D = 400V, Pulse Duration = 50µs, – 4.4 – µs
dv/dt = 100V/µs, –di/dt = –10A/µs,
I_GT = 100mA at turn–on, I_T = 4A,
V_GK = 0V at turn–off, T_C = +75°C
.420 (10.67)
Max
.110 (2.79)
.147 (3.75)
Dia Max
.500
(12.7)
Max
.070 (1.78) Max
Cathode
.100 (2.54)
.250 (6.35)
Max
.500
(12.7)
Min
Gate
Anode/Tab