MICROSEMI 2N4237

TECHNICAL DATA
NPN MEDIUM POWER SILICON TRANSISTOR
Qualified per MIL-PRF-19500/581
Devices
Qualified Level
2N4237
2N4238
2N4239
JANTX
JANTXV
MAXIMUM RATINGS (TA = 250C Unless Otherwise noted)
Ratings
Symbol 2N4237 2N4238 2N4239 Units
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Base Current
Total Power Dissipation @ TA = +250C(1)
@ TC = +250C(2)
Operating & Storage Temperature Range
40
50
VCEO
VCBO
VEBO
IC
IB
PT
Top, Tstg
60
80
6.0
1.0
0.5
1.0
6.0
-65 to +200
80
100
Vdc
Vdc
Vdc
Adc
Adc
W
W
°C
TO-39*
THERMAL CHARACTERISTICS
Characteristics
Thermal Resistance, Junction-to-Case
1) Derate linearly 5.7 mW/0C for TA > +250C
2) Derate linearly 34 mW/0C for TC > +250C
Max.
29
Symbol
RθJC
Unit
C/W
0
*See appendix A for
package outline
ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted)
Characteristics
Symbol
Min.
Max.
Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
2N4237
IC = 100 mAdc
2N4238
2N4239
Emitter-Base Cutoff Current
VEB = 6.0 Vdc
Collector-Emitter Cutoff Current
VCE = 90 Vdc, VBE = 1.5 Vdc
2N4237
VCE = 50 Vdc
2N4238
VCE = 80 Vdc
2N4239
VCE = 10 Vdc
Collector-Base Cutoff Current
2N4237
VCE = 50 Vdc
2N4238
VCE = 80 Vdc
2N4239
VCE = 10 Vdc
V(BR)CEO
50
80
100
Vdc
IEBO
0.5
mAdc
ICEX
100
100
100
nAdc
ICBO
100
100
100
nAdc
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 1 of 2
2N4237, 4238, 4239 JAN, JANTX, JANTXV
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics
Symbol
Min.
Max.
hFE
30
30
150
Unit
ON CHARACTERISTICS (3)
Forward Current Transfer Ratio
IC = 250 mAdc, VCE = 1.0 Vdc
IC = 500 mAdc, VCE = 1.0 Vdc
Collector-Emitter Saturation Voltage
IC = 500 Adc, IB = 50 Adc
IC = 1.0 Adc, IB = 0.1 Adc
Base-Emitter Saturation Voltage
IC = 500 Adc, IB = 50 Adc
IC = 1.0 Adc, IB = 0.1 Adc
VCE(sat)
0.3
0.6
Vdc
VBE(sat)
1.0
1.5
Vdc
100
pF
DYNAMIC CHARACTERISTICS
Magnitude of Common Emitter Small-Signal
Short Circuit Forward-Current Transfer Ratio
IC = 100 mAdc, VCE = 10 Vdc, f = 10 MHz
Output Capacitance
VCB = 10 Vdc, IE = 0, f = 100 kHz
hfe
Cobo
3.0
SAFE OPERATING AREA
DC Tests
TC = +250C, 1 Cycle, t ≥ 0.5 s
Test 1
VCE = 6.0 Vdc, IC = 1.0 Adc
Test 2
VCE = 12 Vdc, IC = 500 mAdc
Test 3
VCE = 30 Vdc, IC = 166 mAdc
VCE = 50 Vdc, IC = 100 mAdc
2N4237
2N4238
VCE = 70 Vdc, IC = 71 mAdc 2N4239
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 2 of 2