UNISONIC TECHNOLOGIES CO., LTD
2SC3838
NPN EPITAXIAL SILICON TRANSISTOR
HIGH-FREQUENCY AMPLIFIER
TRANSISTOR
FEATURES
*High transition frequency.
*Small rbb’·Cc and high gain.
*Small NF.
3
1
2
SOT-323
*Pb-free plating product number: 2SC3838L
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
2SC3838-x-AL3-6-R
2SC3838L-x-AL3-6-R
Note: x: Rank, refer to Classification of h
FE
.
2SC3838L-x-AL3-6-R
(1)Packing Type
(2)Pin Assignment
(3)Package Type
(4)Rank
(5)Lead Plating
(1) R: Tape Reel
(2) refer to Pin Assignment
(3) AL3: SOT-323
(4) x: refer to Classification of h
FE
(5) L: Lead Free Plating, Blank: Pb/Sn
Package
SOT-323
Pin Assignment
Packing
1
2
3
E
B
C Tape Reel
MARKING
AD
Lead Plating
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
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QW-R220-018,A
2SC3838
ABSOLUATE MAXIUM RATINGS
(T
a
= 25℃)
PARAMETER
NPN EPITAXIAL SILICON TRANSISTOR
SYMBOL
RATINGS
UNIT
Collector-Base Voltage
V
CBO
20
V
Collector-Emitter Voltage
V
CEO
11
V
Emitter-Base Voltage
V
EBO
3
V
Collector current
I
C
50
mA
Collector power dissipation
P
D
0.2
W
Junction Temperature
T
J
+150
°C
Storage Temperature
T
STG
-40 ~ +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
(T
a
= 25℃, 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
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE(SAT)
h
FE
f
T
Cob
rbb’·Cc
NF
MIN TYP MAX UNIT
I
C
=10µA
20
V
I
C
=1mA
11
V
I
E
=10µA
3
V
V
CB
=10V
0.5
µA
V
EB
=2V
0.5
µA
I
C
=10mA, I
B
= 5mA
0.5
V
V
CE
=10V, I
C
=5mA
56
400
V
CE
=10V, I
E
=10mA, f=500MHz
1.4 3.2
GHz
V
CB
=10V, I
E
=0A, f=1MHz
0.8 1.5
pF
V
CB
=10V, I
C
=10mA, f=31.8MHz
4
12
ps
V
CE
=6V, I
C
=2mA, f=500MHz, Rg=50Ω
3.5
dB
TEST CONDITIONS
CLASSIFICATION of h
FE
RANK
RANGE
A
56 ~ 110
B
100 ~ 170
C
120 ~ 270
D
250 ~ 400
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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QW-R220-018,A
