Guangdong-Hottech-C945
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C945
BIPOLAR TRANSISTOR (NPN)
FE
A
T
URES
Complementary to A733
Excellent h
FE
Linearity
Low Noise
Surface Mount device
SOT-23
MECHANICAL DATA
Case: SOT-23
Case Material: Molded Plastic. UL flammability
Classification Rating: 94V-0
Weight: 0.008 grams (approximate)
MAXIMUM RATINGS
(T
A
= 25°C unless otherwise noted)
Parameter
Symbol
V
CBO
V
CEO
V
EBO
I
C
Value
Unit
V
Collector-Base Voltage
60
50
Collector-Emitter Voltage
V
Emitter-Base Voltage
5
V
Collector Current
Collector Power Dissipation
150
mA
mW
°C/W
°C
P
C
200
Thermal Resistance From Junction To Ambient
Junction Temperature
R
θJA
T
J
625
150
Storage Temperature
T
STG
-55 ~+150
°C
ELECTRICAL CHARACTERISTICS (T
A
= 25°C unless otherwise specified)
Parameter
Symbol Min Typ Max Unit
Conditions
I
C
=100uA
，
I
E
=0
I =1mA
I =0
V
(BR)CBO
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cut-off current
60
50
5
V
V
V
(BR)CEO
V
(BR)EBO
I
CBO
，
C
B
V
I
E
=100uA
，
I
C
=0
V
CB
=60V, I
E
=0
0.1
0.1
uA
Collector cut-off current
Emitter cut-off current
I
CER
uA
V
CE
=55V, R=10M
Ω
I
EBO
h
FE1
h
FE2
0.1
uA V
EB
=5V, I
C
=0
V
CE
=6V, I
C
=1mA
V
CE
=6V, I
C
=0.1mA
130
40
400
DC current gain
Collector-emitter saturation voltage
Base-emitter saturation voltage
Transition frequency
V
CE(sat)
V
BE(sat)
f
T
0.3
1
V
V
I
C
=100mA
，
I
B
=10mA
I
C
=100mA
，
I
B
=10mA
V
CE
=6V, I
C
=10mA, f=30
150
MHz
pF
MHz
V
CE
=10V, I
E
=0, f=1
Collector output
capacitance
C
ob
3.0
10
MHz
V
CE
=6V, I
C
=0.1mA,R
g
=10k
Ω
Noise figure
NF
4
dB
f=1K
MHz
CLASSIFICATION OF
h
FE
Rank
L
H
Range
130-200
200-400
Marking
CR
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C945
BIPOLAR TRANSISTOR (NPN)
Typical Characteristics
h
FE
—— I
C
Static Characteristic
12
1000
T
a
=100
℃
COMMON
EMITTER
T
a
=25
℃
30uA
10
27uA
T
a
=25
℃
300
100
24uA
8
21uA
18uA
6
15uA
12uA
4
9uA
30
10
6uA
2
0
V
CE
=6V
I
B
=3uA
0
2
4
6
8
10
12
150
10
0.7
1
3
10
30
100 150
COLLECTOR CURRENT
I
C
(mA)
COLLECTOR-EMITTER VOLTAGE
V
CE
(V)
V
CEsat
—— I
C
V
BEsat
—— I
C
1000
800
600
400
200
300
T
a
=25
℃
100
T
a
=100
℃
T
a
=25
℃
T
a
=100
℃
30
β
=10
β
=10
10
15
1
10
30
100
0.1
0.3
1
10
100
150
3
3
30
COLLECTOR CURRENT
I
C
(mA)
COLLECTOR CURRENT
I
C
(mA)
C
ob
/ C
ib
—— V
CB
/
V
EB
P
C
—— T
a
0.25
0.20
0.15
0.10
0.05
0.00
f=1MHz
I
E
=0 /I
C
=0
T
a
=25
℃
10
C
ib
5
C
ob
0
0.1
0.3
1
0
25
50
75
100
125
150
3
REVERSE BIAS VOLTAGE
V
(V)
AMBIENT TEMPERATURE
T
a
(
℃
)
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C945
BIPOLAR TRANSISTOR (NPN)
SOT-23 Package
Outline Dimensions
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min.
0.900
0.000
0.900
0.300
0.080
2.800
1.200
2.250
Max.
1.150
0.100
1.050
0.500
0.150
3.000
1.400
2.550
Min.
0.035
0.000
0.035
0.012
0.003
0.110
0.047
0.089
Max.
0.045
0.004
0.041
0.020
0.006
0.118
0.055
0.100
A
A1
A2
b
c
D
E
E1
e
0.950 TYP
0.550 R
E
F
0.037 TYP
0.022 REF
e1
L
1.800
2.000
0.071
0.079
L1
θ
0.300
0°
0.500
8°
0.012
0°
0.020
8°
SOT-23 Suggested Pad Layout
Note:
1.Controlling dimension: in millimeters
2.General tolerance: ±0.05mm
3.The pad layout is for reference purposes only
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C945
BIPOLAR TRANSISTOR (NPN)
SOT-23 Tape
and Reel
SOT-23 Embossed Carrier Tape
DIMENSIONS ARE IN MILLIMETER
TYPE
A
B
C
d
E
F
P0
P
P1
W
SOT-23
3.15
±0.1
2.77
±0.1
1.22
±0.1
Ø1.50
±0.1
1.75
±0.1
3.50
±0.1
4.00
±0.1
4.00
±0.1
2.00
±0.1
8.00
±0.1
TOLERANCE
SOT-23 Tape Leader and Trailer
SOT-23 Reel
DIMENSIONS ARE IN MILLIMETER
REEL OPTION
7’’ DIA
D
Ø178
±2
D1
54.40
±1
D2
13.00
±1
G
R78
±1
H
R25.60
±1
I
W1
W2
R6.50
±1
9.50
±1
12.30
±1
TOLERANCE
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