CENTRAL 2N4237

Central
2N4237
2N4238
2N4239
TM
Semiconductor Corp.
NPN SILICON TRANSISTOR
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 2N4237,
2N4238, and 2N4239 are Silicon NPN Transistors,
in a hermetically sealed metal case designed for
power amplifier, power driver and switching power
supply applications.
JEDEC TO-39 CASE
MAXIMUM RATINGS: (TC=25°C unless otherwise noted)
SYMBOL
Collector-Base Voltage
VCBO
Collector-Emitter Voltage
VCEO
Emitter-Base Voltage
VEBO
Collector Current
IC
Base Current
IB
Power Dissipation
PD
Operating and Storage
Junction Temperature
TJ,Tstg
Thermal Resistance
ΘJC
2N4237
50
40
6.0
3.0
0.5
6.0
ELECTRICAL CHARACTERISTICS (TC=25°C unless otherwise noted)
SYMBOL
TEST CONDITIONS
ICBO
VCB= Rated VCBO
ICEV
VCE=45V, VEB=1.5V (2N4237)
ICEV
VCE=75V, VEB=1.5V (2N4238)
ICEV
VCE=90V, VEB=1.5V (2N4239)
ICEV
VCE=30V, VEB=1.5V, TC=150°C (2N4237)
ICEV
VCE=50V, VEB=1.5V, TC=150°C (2N4238)
ICEV
VCE=70V, VEB=1.5V , TC=150°C (2N4239)
ICEO
VCE= Rated VCEO
VEB=6.0V
IEBO
BVCEO
IC= 100mA (2N4237)
BVCEO
IC= 100mA (2N4238)
BVCEO
IC= 100mA (2N4239)
VCE(SAT)
IC= 500mA, IB=50mA
VCE(SAT)
IC=1.0A, IB=0.1A
VBE(SAT)
IC=1.0A, IB=0.1A
VBE(ON)
VCE=1.0V, IC=250mA
2N4238
80
60
6.0
3.0
0.5
6.0
2N4239
100
80
6.0
3.0
0.5
6.0
UNITS
V
V
V
A
A
W
-65 to +200
°C
29.2
°C/W
MIN
MAX
0.1
0.1
0.1
0.1
1.0
1.0
1.0
0.7
0.5
40
60
80
0.3
0.6
1.5
1.0
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
V
R1 (22-February 2007)
Central
TM
2N4237
2N4238
2N4239
Semiconductor Corp.
NPN SILICON TRANSISTOR
ELECTRICAL CHARACTERISTICS (Continued) (TC=25°C unless otherwise noted)
SYMBOL
TEST CONDITIONS
MIN
hFE
hFE
hFE
hFE
hfe
fT
Cob
VCE=1.0V, IC=50mA
VCE=1.0V, IC=250mA
VCE=1.0V, IC=500mA
VCE=1.0V, IC=1.0A
VCE=10V, IC=100mA, f=1.0kHz
VCE=10V, IC=100mA, f=1.0kHz
VCB=10V, IE=0, f=0.1MHz
30
30
30
15
30
2.0
MAX
UNITS
250
100
MHz
pF
TO-39 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) EMITTER
2) BASE
3) COLLECTOR
MARKING CODE:
FULL PART NUMBER
R1 (22-February 2007)