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2N4987 Silicon unilateral switch (SUS)
in package TO-92
0.7max
0.45max
5.2
1
2.5
2
1.6 4.2
5.2
14.5
3
Pinouts: 1- Cathode, 2- Gate, 3- Anode
Symbol
Vrrm IT(rms)
Igm IT(sm)
P
Ratings
Parameter, units
Peak reverse voltage, V DC forward anode current, mA DC gate current, mA Peak recurrent forward current, A, (1% duty cycle, 10µsec pulse width) Power dissipation, mW
Limits
-30 175
5
1 300
Symbol
VS IS IH IR
IB
VF
Electrical Characteristics (TA=25°C)
Parameter, unit, test conditions
Limits
Switching voltage, V
Switching current, µA Holding current, mA
Revers current, µA, VR=-30V Forward current (off-state), µA, VF=5V On-State voltage, V,
IF=175mA
min
6
max
10 500
1.5
0.1
0.1
1.
2N4987 Datasheet