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2SC945 Datasheet

AUDIO FREQUENCY AMPLIFIER HIGH FREQUENCY OSC NPN TRANSISTOR


2SC945 Datasheet Preview


UNISONIC TECHNOLOGIES CO., LTD
2SC945
NPN SILICON TRANSISTOR
AUDIO FREQUENCY
AMPLIFIER HIGH FREQUENCY
OSC NPN TRANSISTOR
„ DESCRIPTION
The UTC 2SC945 is an audio frequency amplifier high
frequency OSC NPN transistor.
„ FEATURES
* Collector-Emitter voltage:
BVCBO=50V
* Collector current up to 150mA
* High hFE linearity
* Complimentary to UTC 2SA733
Lead-free: 2SC945L
Halogen-free: 2SC945G
„ ORDERING INFORMATION
Normal
2SC945-x-T92-B
2SC945-x-T92-K
Order Number
Lead Free Plating
2SC945L-x-T92-B
2SC945L-x-T92-K
Halogen Free
2SC945G-x-T92-B
2SC945G-x-T92-K
Package
TO-92
TO-92
Pin Assignment
12
3
EC
B
EC
B
Packing
Tape Box
Bulk
www.unisonic.com.tw
Copyright © 2009 Unisonic Technologies Co., Ltd
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Page 1

2SC945
NPN SILICON TRANSISTOR
„ ABSOLUTE MAXIMUM RATINGS (Ta=25°С, unless otherwise specified )
PARAMETER
SYMBOL
RATING
UNIT
Collector-Base Voltage
VCBO
60
V
Collector-Emitter Voltage
Emitter-Base Voltage
VCEO
VEBO
50
5
V
V
Collector Dissipation(Ta=25°C)
Collector Current
PC 250 mW
IC 150 mA
Base Current
Junction Temperature
IB 50 mA
TJ 125 °С
Storage Temperature
TSTG
-55 ~ +150
°С
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„ ELECTRICAL CHARACTERISTICS (Ta=25°С, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Collector-Base Breakdown Voltage BVCBO IC=100μA, IE=0
Collector-Emitter Breakdown Voltage BVCEO IC=10mA, IB=0
Collector Cut-Off Current
ICBO VCB=40V, IE=0
Emitter Cut-Off Current
DC Current Gain
IEBO VEB=3V, IC=0
hFE VCE=6V, IC=1mA
Collector-Emitter Saturation Voltage VCE(SAT) Ic=100mA, IB=10mA
Current Gain Bandwidth Product
Output Capacitance
fT VCE=10V, IC=50mA
Cob VCB=10V, IE=0, f=1MHz
Noise Figure
NF
IC=-0.1mA, VCE=6V
RG=10kΩ, f=100Hz
„ CLASSIFICATION OF hFE
RANK
RANGE
R
90-180
Q
135-270
MIN
60
50
90
100
P
200-400
TYP
0.1
190
2.0
4.0
MAX
100
100
600
0.3
3.0
6.0
UNIT
V
V
nA
nA
V
MHz
pF
dB
K
300-600
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 4
QW-R201-005,C
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Page 2

2SC945
„ TYPICAL CHARACTERISTICS
NPN SILICON TRANSISTOR
Current Gain-Bandwidth Product
103
VCE=6V
102
Collector Output Capacitance
102
f=1MHz
101 IE=0
101 100
100
10-1
100 101
Collector Current, IC (mA)
102
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
10-1
100
101 102 103
Collector-Base Voltage (V)
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QW-R201-005,C
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Page 3

2SC945
NPN SILICON TRANSISTOR
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 4
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Free Datasheet http://www.datasheet4u.com/
Page 4
Part Number 2SC945
Manufactur UTC
Description AUDIO FREQUENCY AMPLIFIER HIGH FREQUENCY OSC NPN TRANSISTOR
Total Page 4 Pages
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