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Weitron
Weitron

C945 Datasheet

NPN Transistors


C945 Datasheet Preview


NPN Transistors
P b Lead(Pb)-Free
C945
TO-92
1. EMITTER
2. COLLECTOR
3. BASE
12
3
Junction Temperature
Storage Temperature
0.4
Tj
+150
°C
TSTG -40 to + 150 °C
WEITRON
http://www.weitron.com.tw
1/4
08-Feb-06
Page 1

C945
ELECTRICAL CHARACTERISTICS (TA=25 C unless otherwise noted) (Countinued)
Characteristics
Symbol Min Typ
Max Unit
ON CHARACTERISTICS
DC Current Gain
VCE=6.0V, IC=1mA
VCE=6.0V, IC=0.1mA
Collector-Emitter Saturation Voltage
IC=100mA, IB=10mA
Base-Emitter Voltage
IC=100mA, IB=10mA
TransitionFrequence
VCE = 6V, IC = 10mA, f = 30MHz
Collector Output Capacitance
VCB = 10V, IE = 0, f = 1MHz
Noise figure
VCE = 6V, IC = 0.1mA, Rg = 10kΩ, f = 1KMHz
hFE1
hFE2
VCE(sat)
VBE(sat)
70
40
-
-
- 700 -
- 0.3 V
- 1.0 V
fT 200 -
- MHz
Cob -
- 3.0 pF
NF - 4.0 10 dB
CLASSIFICATION OF hFE1
Rank
O
Range
70-140
Y
120-240
GR
200-400
BL
350-700
WEITRON
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08-Feb-06
Page 2

C945
FIG1. Total Power Dissipation
vs Ambient Temperature
FIG.2 Collector Current vs Collector
to Emitter Voltage
FIG.3 Collector and Bade Saturation Voltage
vs Collector Current
FIG.4 Gain Bandwidth Product vs
Emitter Current
WEITRON
http://www.weitron.com.tw
3/4
08-Feb-06
Page 3

C945
TO-92 Outline Dimensions
E
C
J
K
G
unit:mm
TO-92
Dim
A
B
C
D
E
G
H
J
K
L
Min Max
3.30 3.70
1.10 1.40
0.38 0.55
0.36 0.51
4.40 4.70
3.43 -
4.30 4.70
1.270TYP
2.44
14.10
2.64
14.50
WEITRON
http://www.weitron.com.tw
4/4
08-Feb-06
Page 4
Part Number C945
Manufactur Weitron
Description NPN Transistors
Total Page 4 Pages
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