Microchip-Tech-2N3902
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TECHNICAL DATA
NPN H
I
GH
P
O
W
E
R
S
I
LICON TRAN
S
I
S
T
OR
Qualified per MI
L
–
P
RF
–
1
9500/ 371
D
e
v
i
c
es
Qualified
L
e
v
e
l
JAN
JANTX
2N3902
2N5157
MAXIMUM RATINGS
2N3902 2N5157
Ratings
Symbol
V
CEO
V
EBO
V
CBO
I
B
Unit
Vdc
Vdc
Vdc
Adc
Collector-Emitter Voltage
Emitter-Base Voltage
Collector-Base Voltage
Base Current
400
5.0
500
6.0
700
2.0
Collector Current
3.5
5.0
100
Adc
W
W
0
C
I
C
Total Power Dissipation
@ T
A
= +25
0
C
(1)
@ T
C
= +75
0
C
(2)
P
T
Operating & Storage Temperature Range
-65 to +200
T
j,
T
stg
THERMAL CHARACTERISTICS
Characteristics
Thermal Resistance, Junction-to-Case
Symbol
Max.
Unit
0
C/W
TO-3 (TO-204AA)*
1.25
R
q
JC
1) Derate linearly 29 mW/
0
C for T
A
> +25
0
C
2) Derate linearly 0.8 W/
0
C for T
C
> +75
0
C
*See Appendix A for Package
Outline
ELECTRICAL CHARACTERISTICS
Characteristics
Symbol
Min.
Max.
Unit
OFF CHARACTERISTICS
Collector-Emitter Cutoff Current
V
CE
= 325 Vdc
2N3902
2N5157
I
CEO
I
CEX
I
EBO
m
Adc
m
Adc
m
Adc
250
250
V
CE
= 400 Vdc
Collector-Emitter Cutoff Current
V
BE
= 1.5 Vdc; V
CE
= 700 Vdc
Emitter-Base Cutoff Current
V
EB
= 5.0 Vdc
500
2N3902
2N5157
200
200
V
EB
= 6.0 Vdc
ON CHARACTERISTICS
(3)
Base-Emitter Saturation Voltage
I
C
= 1.0 Adc; I
B
= 0.1 Adc
V
BE(sat)
1.5
2.0
Vdc
Vdc
I
C
= 3.5 Adc; I
B
= 0.7 Adc
Collector-Emitter Saturation Voltage
I
C
= 1.0 Adc; I
B
= 0.1 Adc
V
CE(sat)
0.8
2.5
I
C
= 3.5 Adc; I
B
= 0.7 Adc
6 Lake Street, Lawrence, MA
01841
120101
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
Page 1 of 2
2N3902, 2N5157 JAN SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics
ON CHARACTERISTICS
(3)
(con’t)
Forward-Current Transfer Ratio
I
C
= 0.5 Adc; V
CE
= 5.0 Vdc
Symbol
Min.
Max.
Unit
25
30
10
5
I
C
= 1.0 Adc; V
CE
= 5.0 Vdc
I
C
= 2.5 Adc; V
CE
= 5.0 Vdc
I
C
= 3.5 Adc; V
CE
= 5.0 Vdc
90
h
FE
Collector-Emitter Sustaining Voltage
I
C
= 100 mAdc
Vdc
pF
2N3902
2N5157
V
CEO(sus)
325
400
DYNAMIC CHARACTERISTICS
Small-Signal Short-Circuit Forward Current Transfer Ratio
I
C
= 0.2 Adc; V
CE
= 10 Vdc, f = 1 MHz
Output Capacitance
V
CB
= 10 Vdc; I
E
= 0, 100 kHz
£
f
£
1.0 MHz
SWITCHING CHARACTERISTICS
Turn-On Time
2.5
25
½
h
fe
½
250
C
obo
t
on
m
s
m
s
0.8
1.7
V
CC
= 125 Vdc; I
C
= 1.0 Adc; I
B1
= 0.1 Adc
Turn-Off Time
t
off
V
CC
= 125 Vdc; I
C
= 1.0 Adc; I
B1
= 0.1 Adc; –
I
B2
= 0.50 Adc
SAFE OPERATING AREA
DC Tests (continuous)
T
C
= +25
0
C; t
³
1.0 s (See Figure 3 of MIL-PRF-19500/371)
Test 1
V
CE
= 28.6 Vdc, I
C
= 3.5 Adc
Test 2
V
CE
= 70 Vdc, I
C
= 1.43 Adc
Test 3
V
CE
= 325 Vdc, I
C
= 55 mAdc
V
CE
= 400 Vdc, I
C
= 35 mAdc
Switching Tests
2N3902
2N5157
Load condition C (unclamped inductive load)
T
C
= 25
0
C; duty cycle
£
10%; R
S
= 0.1
W
(See Figure 4 of MIL-PRF-19500/371)
Test 1
t
P
= approximately 3 ms (vary to obtain I
C)
; R
BB1
= 20
W
; V
BB
1
= 10 Vdc; R
BB2
= 3 k
W
;
V
BB2
= 1.5 Vdc; V
CC
= 50 Vdc; I
C
= 3.5 Adc; L = 60 mH; R = 3
W
; R
L
£
14
W
.
Test 2
t
P
= approximately 3 ms (vary to obtain I
C)
; R
BB1
= 100
W
; V
BB1
= 10 Vdc; R
BB2
= 3 k
W
;
V
BB2
= 1.5 Vdc; I
C
= 0.6 Adc V
CC
= 50 Vdc; L = 200 mH; R = 8
W
; R
L
£
83
W
.
Switching Tests
Load condition (clamped inductive load)
T
C
= +25
0
C; duty cycle
£
10%. (See
Figure 5 of MIL-PRF-19500/371)
Test 1
t
P
= approximately 30 ms (vary to obtain I
C)
; R
S
= 0.1
W
; R
BB1
= 20
W
; V
BB
1
= 10 Vdc; R
BB2
= 100
W
;
V
BB2
= 1.5 Vdc; V
CC
= 50 Vdc; I
C
= 3.5 Adc; L = 60 mH; R = 3
W
; R
L
³
0
W
.
(A suitable clamping circuit or diode can be used.)
Clamp Voltage = 400 +0, -5 Vdc
Clamp Voltage = 500 +0, -5 Vdc
(Clamped voltage must be reached)
2N3902
2N5157
3.) Pulse Test: Pulse Width = 300
m
s, Duty Cycle
£
2.0%.
6 Lake Street, Lawrence, MA
01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 2 of 2
