NPN SILICON PLANAR TRANSISTORS
2N4237, 2N4238
2N4239
TO-39
Metal Can Package
General Purpose Transistor
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
SYMBOL
2N4237
2N4238
UNIT
Collector Emitter Voltage VCEO 40 60 V
Collector Base Voltage VCBO 50 80 V
Emitter Base Voltage VEBO 6.0 V
Base Current IB500 mA
Collector Current Continuous IC1.0 A
Power Dissipation @ Ta=25ºC PD1.0 W
Derate Above 25ºC
5.3 mW/ ºC
Power Dissipation @ Tc=25ºC PD6.0 W
Derate Above 25ºC
34 mW/ ºC
Operating and Storage Junction
Temperature Range Tj, Tstg - 65 to +200 ºC
THERMAL CHARACTERISTICS
Junction to Case Rth (j-c) 29 ºC/W
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise )
DESCRIPTION
SYMBOL
TEST CONDITION
2N4237
2N4238
2N4239
UNIT
Collector Emitter Voltage VCEO IC=1mA, IB=0 40 60 80 V
Collector Cut Off Current ICEX VCE=50V, VEB=1.5V 0.1 mA
VCE=80V, VEB=1.5V 0.1 mA
VCE=100V, VEB=1.5V 0.1 mA
TC=150ºC
VCE=30V, VEB=1.5V 1.0 mA
VCE=50V, VEB=1.5V 1.0 mA
VCE=70V, VEB=1.5V 1.0 mA
MIN
TYP
MAX
Collector Cut Off Current ICBO VCB=Rated VCBO, IE=0 0.1 mA
Collector Cut Off Current ICEO VCE=Rated VCEO, IB=0 0.07 mA
Emitter Cut Off Current IEBO VEB=6V, IC=0 0.5 mA
DC Current Gain *hFE IC=50mA, VCE=1V 30
IC=250mA, VCE=1V 30 150
IC=500mA, VCE=1V 30
IC=1A, VCE=1V 15
*Pulse Test: Pulse Width < 300µµs, Duty Cycle < 2%
2N4237_4239Rev121004E
2N4239
80
100
Continental Device India Limited Data Sheet Page 1 of 4
Continental Device India Limited
An ISO/TS 16949 and ISO 9001 Certified Company
NPN SILICON PLANAR TRANSISTORS 2N4237, 2N4238
2N4239
TO-39
Metal Can Package
ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise)
SMALL SIGNAL CHARACTERISTICS
DESCRIPTION SYMBOL TEST CONDITION MIN TYP MAX UNIT
Collector Emitter Saturation Voltage *VCE (sat) IC=500mA, IB=50mA 0.3 V
IC=1A, IB=0.1A 0.6 V
Base Emitter Saturation Voltage *VBE (sat) IC=1A, IB=0.1A 1.5 V
Base Emitter On Voltage *VBE (on) IC=250mA, VCE=1V 1.0 V
SMALL SIGNAL CHARACTERISTICS
Output Capacitance Cobo VCB=10V, IE=0,
f=0.1MHz 100 pF
Small Signal Current Gain hfe IC=100mA, VCE=10V,
f=1KHz 30
Current Gain High Frequency lhfe|IC=100mA, VCE=10V,
f=1MHz 1.0
*Pulse Test: Pulse Width < 300µµs, Duty Cycle < 2%
2N4237_4239Rev121004E
Continental Device India Limited Data Sheet Page 2 of 4
2N4237, 2N4238
2N4239
TO-39
Metal Can Package
2N4237_4239Rev121004E
TO-39 Metal Can Package
21
3
PIN CONFIGURATION
1. EMITTER
2. BASE
3. COLLECTOR
DIM MIN MAX
All dimensions are in mm
A8.50 9.39
B7.74 8.50
C6.09 6.60
D0.40 0.53
E—0.88
F2.41 2.66
G4.82 5.33
H0.71 0.86
J0.73 1.02
K12.70 —
L 42 DEG 48 DEG
A
B
C
E
K
D
G
LH
J
F
1
2
3
TO-39 500 pcs/polybag 540 gm/500 pcs 3" x 7.5" x 7.5" 20K 17" x 15" x 13.5" 32K 40 kgs
PACKAGE
Net Weight/Qty
Details
STANDARD PACK INNER CARTON BOX
Qty
OUTER CARTON BOX
Qty Gr WtSize Size
Packing Detail
Continental Device India Limited Data Sheet Page 3 of 4
Customer Notes 2N4237, 2N4238
2N4239
TO-39
Metal Can Package
2N4237_4239Rev121004E
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best
suited
for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as
to confirm that the Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and
on the CDIL Web Site/CD are believed to be accurate and reliable. CDIL however, does not assume responsibility
for
inaccuracies or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or
use of any CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not
designed for use in life saving/support appliances or systems. CDIL customers selling these products (either as
individual
Discrete Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or systems
or
applications do so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-2579 6150, 5141 1112 Fax + 91-11-2579 5290, 5141 1119
email@cdil.com www.cdilsemi.com
Continental Device India Limited Data Sheet Page 4 of 4
