
SHINDENGEN
Switching Power Transistor
2SC4237
(T10W80HFX)
10A NPN
HFX Series
OUTLINE DIMENSIONS
Case : MTO-3P
Unit : mm
RATINGS
●Absolute Maximum Ratings
Item Symbol
Storage Temperature
Junction Temperature
Collector to Base Voltage
Collector to Emitter Voltage
Emitter to Base Voltage
Collector Current DC
Collector Current Peak
Base Current DC
Base Current Peak
Total Transistor Dissipation
Mounting Torque
●Electrical Characteristics (Tc=25℃)
Item Symbol
Collector to Emitter Sustaining Voltage
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Collector to Emitter Saturation Voltage
Base to Emitter Saturation Voltage
Thermal Resistance
Transition Frequency
Turn on Time
Storage Time
Fall Time
Conditions
Ratings Unit
Tstg -55~150 ℃
Tj 150 ℃
V
CBO
V
CEO
V
EBO
I
C
I
CP
I
B
I
BP
P
T
TOR
V
(sus)
CEO
I
CBO
I
CEO
I
EBO
h
FE
h
FEL
VCE(sat)
VBE(sat)
θjc
f
T
ton
ts
tf
Tc = 25℃
(Recommended torque : 0.5N・m)
Conditions
IC = 0.2A
At rated Voltage
At rated Voltage
V
= 5V, IC = 5A
CE
V
= 5V, IC = 1mA
CE
IC = 5A
IB = 1A
Junction to case
V
= 10V, IC = 1A
CE
IC = 5A
IB1 = 1A, IB2 = 2A
RL = 50Ω, V
BB2
= 4V
1200 V
800 V
7V
10A
20
4
8
150
0.8
Ratings Unit
Min 800 V
Max 0.1 mA
Max 0.1
Max 0.1 mA
Min 8
Min 5
Max 1.0 V
Max 1.5 V
Max 0.83 ℃/W
TYP 8 MHz
Max 0.5
Max 3.5 μs
Max 0.3
A
W
N・m
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd

BE
[V]
Base-Emitter Voltage V
3
2.5
Saturation Voltage
2
1.5
20A
1
10A
5A
0.5
0
8
[A]
B
2SC4237
= 1.25A 2.5A 5A 10A 20A
C
I
3
2.5
CE
[V]
Base Current I
2.5A
= 1.25A
C
I
Tc = 25°C
0.01 0.1 1
2
1.5
1
0.5
0
Collector-Emitter Voltage V

[µs]
SW
10
2SC4237
1
Switching Time - V
t
s
t
on
t
f
CC
Switching Time t
0.1
0.01
0 50 100 150 200 250 300
IC = 5A
IB1 = 1A
IB2 = 2A
V
Tc = 25°C
Collector Voltage VCC [V]
BB2
= 4V

10
2SC4237
1
Switching Time - Tc
t
s
[µs]
SW
Switching Time t
0.1
t
on
t
f
IC = 5A
IB1 = 1A
IB2 = 2A
V
= 4V
BB2
R
= 50Ω
L
0.01
0 50 100 150
Case Temperature Tc [°C]

[µs]
SW
10
2SC4237
L-Load Switching Time - I
t
s
C
1
Switching Time t
0.1
0.01
0 2 4 6 8 10
tf + t
vs
t
f
IB1 = 0.2I
IB2 = 0.4I
V
BB2
V
CE (clamp)
Tc = 25°C
Collector Current IC [A]
C
C
= 4V
= 300V

2SC4237
10
1
[µs]
SW
L-Load Switching Time - IC (At High Temperature)
t
s
tf + t
vs
Switching Time t
0.1
0.01
0 2 4 6 8 10
t
f
IB1 = 0.2I
IB2 = 0.4I
V
BB2
V
CE (clamp)
Tc = 100°C
Collector Current IC [A]
C
C
= 4V
= 300V

1
10
0
10
-1
10
Transient Thermal Impedance
2SC4237
10
1
0.1
0.01
Time t [s]
-2
10
-3
10
-4
10
Transient Thermal Impedance θjc(t) [°C/W]
0.001

20
10
[A]
C
2SC4237
DC
PT limit
1
Forward Bias SOA
I
S/B
1ms10ms
limit
150µs
50µs
Collector Current I
0.1
Tc = 25°C
Single Pulse
0.01
1 10 100
Collector-Emitter Voltage VCE [V]
800

100
80
60
2SC4237 Collector Current Derating
I
limit
S/B
40
Collector Current Derating [%]
20
VCE = fixed
0
0 50 100 150
PT limit
Case Temperature Tc [°C]

20
15
[A]
C
10
2SC4237
Reverse Bias SOA
Collector Current I
5
IB1 = 0.25I
IB2 = 1.5A
V
BB2
Tc < 150°C
0
0 200 400 600 800 1000 1200
C
= 5V
Collector-Emitter Voltage VCE [V]