2N3055
MJ2955
COMPLEMENTARY SILICON POWER TRANSISTORS
s
STMicroelectronics PREFERRED
SALESTYPES
s
COMPLEMENTARY NPN-PNP DEVICES
DESCRIPTION
The 2N3055 is a silicon Epitaxial-Base Planar
NPN transistor mounted in Jedec TO-3 metal
case.
It is intended for power switching circuits, series
and shunt regulators, output stages and high
fidelity amplifiers.
The complementary PNP type is MJ2955.
INTERNAL SCHEMATIC DIAGRAM
August 1999
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
NPN
2N3055
PNP
MJ2955
V
CBO
Collector-Base Voltage (I
E
= 0)
100
V
V
CER
Collector-Emitter Voltage (R
BE
100
)
70
V
V
CEO
Collector-Emitter Voltage (I
B
= 0)
60
V
V
EBO
Emitter-Base Voltage (I
C
= 0)
7
V
I
C
Collector Current
15
A
I
B
Base Current
7
A
P
tot
Total Dissipation at T
c
25
o
C
115
W
T
stg
Storage Temperature
-65 to 200
o
C
T
j
Max. Operating Junction Temperature
200
o
C
For PNP types voltage and current values are negative.
1
2
TO-3
1/4
THERMAL DATA
R
thj-case
Thermal Resistance Junction-case Max
1.5
o
C/W
ELECTRICAL CHARACTERISTICS (T
case
= 25
o
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
CEX
Collector Cut-off
Current (V
BE
= -1.5V)
V
CE
= 100 V
V
CE
= 100 V T
j
= 150
o
C
1
5
mA
mA
I
CEO
Collector Cut-off
Current (I
B
= 0)
V
CE
= 30 V
0.7
mA
I
EBO
Emitter Cut-off Current
(I
C
= 0)
V
EB
= 7 V
5
mA
V
CEO(sus)
Collector-Emitter
Sustaining Voltage
(I
B
= 0)
I
C
= 200 mA
60
V
V
CER(sus)
Collector-Emitter
Sustaining
Voltage (R
BE
= 100
)
I
C
= 200 mA
70
V
V
CE(sat)
Collector-Emitter
Saturation Voltage
I
C
= 4 A I
B
= 400 mA
I
C
= 10 A I
B
= 3.3 A
1
3
V
V
V
BE
Base-Emitter Voltage
I
C
= 4 A V
CE
= 4 A
1.8
V
h
FE
DC Current Gain
I
C
= 4 A V
CE
= 4 A
I
C
= 10 A V
CE
= 4 A
20
5
70
f
T
Transition frequency
I
C
= 0.5 A V
CE
= 10 V
3
MHz
I
s/b
Second Breakdown
Collector Current
V
CE
= 40 V
2.87
A
Pulsed: Pulse duration = 300
s, duty cycle 1.5 %
For PNP types voltage and current values are negative.
2N3055 / MJ2955
2/4
DIM.
mm
inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
A
11.00
13.10
0.433
0.516
B
0.97
1.15
0.038
0.045
C
1.50
1.65
0.059
0.065
D
8.32
8.92
0.327
0.351
E
19.00
20.00
0.748
0.787
G
10.70
11.10
0.421
0.437
N
16.50
17.20
0.649
0.677
P
25.00
26.00
0.984
1.023
R
4.00
4.09
0.157
0.161
U
38.50
39.30
1.515
1.547
V
30.00
30.30
1.187
1.193
E
B
R
C
D
A
P
G
N
V
U
O
P003F
TO-3 MECHANICAL DATA
2N3055 / MJ2955
3/4
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of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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