Unit : mm
4A NPN
Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd
RATINGS
SHINDENGEN
OUTLINE DIMENSIONS
2SC4940
Case : ITO-220
Switching Power Transistor
Absolute Maximum Ratings
Item
Symbol
Conditions
Ratings
Unit
Storage Temperature
Tstg
-55150
Junction Temperature
Tj
150
Collector to Base Voltage
V
CBO
1200
V
Collector to Emitter Voltage
V
CEO
550
V
Emitter to Base Voltage
V
EBO
7
V
Collector Current DC
I
C
4
A
Collector Current Peak
I
CP
8
Base Current DC
I
B
2
A
Base Current Peak
I
BP
4
Total Transistor Dissipation
P
T
30
W
Dielectric Strength
Vdis
Terminals to casd, AC 1 minute
2
kV
Mounting Torque
TOR
(Recommended torque)
0.5(0.3)
Nm
Electrical Characteristics (Tc=25)
Item
Symbol
Conditions
Ratings
Unit
Collector to Emitter Sustaining Voltage
V
CEO
(sus)
I
C
= 0.1A
Min 550
V
Collector Cutoff Current
I
CBO
rated V
CBO
Max 0.1
mA
I
CEO
rated V
CEO
Max 0.1
Emitter Cutoff Current
I
EBO
rated V
EBO
Max 0.1
mA
DC Current Gain
h
FE
V
CE
= 5V, I
C
= 2A
Min 10
h
FEL
V
CE
= 5V, I
C
= 1mA
Min 10
Collector to Emitter Saturation Voltage
V
CE
(sat)
I
C
= 2A
Max 1.0
V
Base to Emitter Saturation Voltage
V
BE
(sat)
I
B
= 0.4A
Max 1.5
V
Thermal Resistance
jc
Junction to case
Max 4.16
/W
Transition Frequency
f
T
V
CE
= 10V, I
C
= 0.4A
TYP 10
MHz
Turn on Time
ton
I
C
= 2A
Max 0.8
Storage Time
ts
I
B1
= 0.4A, I
B2
= 0.8A
Max 3.0
s
Fall Time
tf
R
L
= 75, V
BB2
= 4V
Max 0.3
PDF 
ZIP
