2SC3977A PANASONIC [Panasonic Semiconductor], 2SC3977A Datasheet - Page 3

• Manufacturer Part Number: 2SC3977A
• Description: Silicon NPN triple diffusion planar type(For high breakdown voltage high-speed switching)
• Manufacturer: PANASONIC [Panasonic Semiconductor]

Power Transistors
10000
1000
100
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
10
Collector to emitter voltage V
0
1
10
Area of safe operation, reverse bias ASO
0
–4
200
I
C
400
10
–3
600
Note: R
800
10
–2
1000
(1) P
(2) P
th
L
I
(I
T
was measured at Ta=25˚C and under natural convection.
C
coil
1200
B1
C
T
T
/I
=10V
=10V
=25˚C
B
=–I
=100 H
=5
10
1400
B2
–1
CE
)
0.2A (2W) and without heat sink
1.0A (10W) and with a 100
Time t ( s )
1600
R
( V )
th(t)
1
— t
Reverse bias ASO measuring circuit
10
V
in
t
W
100
10
2
2mm Al heat sink
10
3
(1)
(2)
10
4
I
B1
–I
B2
T.U.T
I
C
2SC3977, 2SC3977A
L coil
V clamp
V
CC
3