Datasheet

UNISONIC TECHNOLOGIES CO., LTD
2SC3838
NPN SILICON TRANSISTOR
HIGH-FREQUENCY AMPLIFIER
TRANSISTOR

3
FEATURES
1
2
SOT-23
*High transition frequency.
*Small rbb’·Cc and high gain.
*Small NF.
3
2
1
SOT-323


ORDERING INFORMATION
Ordering Number
Package
2SC3838G-x-AE3-R
2SC3838G-x-AL3-R
SOT-23
SOT-323
Pin Assignment
1
2
3
E
B
C
E
B
C
Packing
Tape Reel
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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2SC3838

NPN EPITAXIAL SILICON TRANSISTOR
ABSOLUTE MAXIMUM RATINGS (TA= 25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Collector-Base Voltage
VCBO
20
V
Collector-Emitter Voltage
VCEO
11
V
Emitter-Base Voltage
VEBO
3
V
Collector current
IC
50
mA
Collector power dissipation
PD
0.2
W
Junction Temperature
TJ
+150
C
Storage Temperature
TSTG
-55 ~ +150
C
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°C, unless otherwise specified)
PARAMETER
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current transfer ratio
Transition frequency
Output capacitance
Collector-base time constant
Noise factor

SYMBOL
BVCBO
BVCEO
BVEBO
ICBO
IEBO
VCE(SAT)
hFE
fT
Cob
rbb’·Cc
NF
TEST CONDITIONS
MIN TYP MAX UNIT
IC=10μA
20
V
IC=1mA
11
V
IE=10μA
3
V
VCB=10V
0.5
μA
VEB=2V
0.5
μA
IC =10mA, IB= 5mA
0.5
V
VCE=10V, IC =5mA
56
400
VCE=10V, IE=10mA, f=500MHz
1.4 3.2
GHz
VCB=10V, IE=0A, f=1MHz
0.8 1.5
pF
VCB=10V, IC=10mA, f=31.8MHz
4
12
ps
VCE=6V, IC=2mA, f=500MHz, Rg=50Ω
3.5
dB
CLASSIFICATION of hFE
RANK
RANGE
A
56 ~ 110
B
100 ~ 170
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
C
120 ~ 270
D
250 ~ 400
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NPN EPITAXIAL 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
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