ABSOLUTE MAXIMUM RATINGS
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base VOltage
Collector Current
Symbol
VCEO
VCBO
VEBO
IC
2N5551
Unit
Vdc
Vdc
Vdc
mAdc
Rating
Characteristics
Symbol
Min
Max
Unit
ELECTRICAL CHARACTERISTICS
Collector-Emitter Breakdown Voltage (IC= 1.0 mAdc, IB=0)
Collector-Base Breakdown Voltage (IC= 100 uAdc, IE=0)
Emitter-Base Breakdown Voltage (IE= 10 uAdc, IC=0)
Collector Cutoff Current (VCB=120 Vdc, IE=0)
Emitter Cutoff Current (VEB= 4.0 V c, I =0)
V(BR)CEO
V(BR)CBO
V(BR)EBO
ICBO
IEBO
6.0
-
-
-
-
-
0.05
Vdc
Vdc
Vdc
uAdc
uAdc
2N5551
Tstg
PD
C
C
WEITRON
http://www.weitron.com.tw
NPN Transistors
(Ta=25 C)
180
6.0
600
160
Total Device Dissipation T =25 C
0.625
W
Junction Temperature
T j
150
Storage, Temperature
-55 to +150
160
180
0.05
d
C
A
TO-92
1
2
3
1. EMITTER
2. BASE
3. COLLECTOR
Current-Gain-Bandwidth Product
(IC= 10 mAdc, VCE=5.0 Vdc, f=30MHz)
fT
MHz
Collector-Emitter Saturation Voltage
(IC= 50 mAdc, IB= 5.0 mAdc)
Base-Emitter Saturation Voltage
(IC= 50 mAdc, IB= 5.0 mAdc)
hFE
hFE
VCE(sat)
VBE(sat)
Vdc
Vdc
ON CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
(TA=25 C unless otherwise noted) (Countinued)
Characteristics
Symbol
Unit
Min
Max
250
-
50
-
-
-
-
-
-
-
-
100
-
-
2N5551
WEITRON
http://www.weitron.com.tw
(IC=1.0 mAdc, VCE=5.0 Vdc)
DC Current Gain
DC Current Gain
(IC=10 mAdc, VCE= 5.0 Vdc)
80
-
(1)
(2)
hFE (3)
80
0.5
1.0
-
Classification of hFE(1)
Rank
A
B
C
Range
80-160
120-180
150-250
TYP
-
(I =50 mAdc, V =5.0 V dc )
C E
C
2N5551
WEITRON
http://www.weitron.com.tw
F IG 1. DC C urrent G ain
IC, COLLECTOR CURRENT (mA)
500
h
,
D
C
C
U
R
R
E
N
T
G
A
I
N
F
E
TJ = 125 C
- 55 C
25 C
5.0
10
0.1
0.2
0.3
0.5
0.7
1.0
2.0
3.0
5.0
7.0
10
20
30
50
70
100
200
30
20
300
100
50
7.0
VCE = 1.0 V
VCE = 5.0 V
F IG 2. C ollector S aturation R egion
IB, BASE CURRENT (mA)
1.0
IC = 1.0 mA
0
0.3
0.005
0.01
0.2
0.5
1.0
2.0
20
50
0.8
0.5
0.4
0.9
0.7
0.6
0.2
0.02
0.05
0.1
10
V C
E
,
C
O
L
L
E
C
T
O
R
-
E
M
I
T
T
E
R
V
O
L
T
A
G
E
(
V
O
L
T
S
)
0.1
10 mA
30 mA
100 mA
5.0
WEITRON
http://www.weitron.com.tw
2N5551
Dim
A
B
C
D
E
G
H
J
K
L
Min
3.30
1.10
0.38
0.36
4.40
3.43
4.30
Max
TO-92
TO-92 Outline Dimensions
unit:mm
3.70
1.40
0.55
0.51
4.70
-
4.70
2.64
14.50
1.270TYP
E
C
H
A
B
D
L
J
K
G
2.44
14.10
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