Document
MAXIMUM RATINGS
Rating
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Base Current
—Collector Current Continuous
@Total Device Dissipation Ta = 25°C
Derate above 25°C
@Total Device Dissipation Ta
Derate above 75°C
75°C
Operating and Storage Junction Temperature Range
Symbol
VCEO v CBO v EBO
MM42Q MM421
250 325 275 6.0
Vdc
PD PD Tj, Tstg
500
800 5.3
2.5 25
-65 to +175
mA
mW
mW/°C
Watts mW/°C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.)
Characteristic
OFF CHARACTERISTICS
Collector-Emitter Sustaining Voltaged)
C(I = 10 mA, Ib = 0)
MM420 MM421
Collector-Base Breakdown Voltage C(I = 100 /uAdc)
MM420 MM421
Emitter-Base Breakdown Voltage E(l = 100 MAdc)
Collector Cutoff Current
(Vce = 250 Vdc, Ib = 0) (Vce = 325 Vdc, Ib = 0)
Collector Cutoff Current
(Vbe = 275 Vdc, l£ = 0) (Vbe = 350 Vdc, Ie = 0)
ON CHARACTERISTICS
DC Current Gain dC = 1.0 mAdc, Vce = 20 Vdc) (IC = 10 mAdc, Vqe = 20 Vdc) c(l = 30 mAdc, Vce = 2" vdc >
Coll.