2sc3978 Panasonic Corporation of North America, 2sc3978 Datasheet - Page 3

• Manufacturer Part Number: 2sc3978
• Description: Silicon Npn Triple Diffusion Planar Type For High Breakdown Voltage High-speed Switching
• Manufacturer: Panasonic Corporation of North America

Power Transistors
10000
1000
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.1
10
Collector to emitter voltage V
0
1
10
Area of safe operation, reverse bias ASO
0
–4
200
I
I
CP
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
2SC3978, 2SC3978A
L coil
V clamp
V
CC
3