UNISONIC TECHNOLOGIES CO., LTD
2SD1857
POWER TRANSISTOR
FEATURES
* High breakdown voltage.(BV
CEO
=120V)
* Low collector output capacitance.(Typ.20pF at V
CB
=10V)
* High transition frequency.(f
T
=80MHz)
NPN SILICON TRANSISTOR
1
TO-92
1
TO-92NL
*Pb-free plating product number: 2SD1857L
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
2SD1857-x-T92-B
2SD1857L-x-T92-B
2SD1857-x-T92-K
2SD1857L-x-T92-K
2SD1857-x-T9N-B
2SD1857L-x-T9N-B
2SD1857-x-T9N-K
2SD1857L-x-T9N-K
2SD1857-x-T9N-R
2SD1857L-x-T9N-R
Package
TO-92
TO-92
TO-92NL
TO-92NL
TO-92NL
Pin Assignment
1
2
3
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
Packing
Tape Box
Bulk
Tape Box
Bulk
Tape Reel
2SD1857L-x-T92-B
(1)Packing Type
(2)Package Type
(3)Rank
(4)Lead Plating
(1) B: Tape Box, K: Bulk, R: Tape Reel
(2) T92: TO-92, T9N: TO-92NL
(3) x: refer to Classification of h
FE
(4) L: Lead Free Plating, Blank: Pb/Sn
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Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 2
QW-R201-057,C
2SD1857
ABSOLUTE MAXIMUM RATING
(Ta=25
℃
)
PARAMETER
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Power Dissipation
Collector Current
Collector Current
SYMBOL
V
CBO
V
CEO
V
EBO
P
C
I
C
I
CP
NPN SILICON TRANSISTOR
RATINGS
120
120
5
1
2
3
UNIT
V
V
V
W
A
A
Junction Temperature
T
J
+150
℃
Storage Temperature
T
STG
-55 ~ +150
℃
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
℃
)
PARAMETER
SYMBOL
TEST CONDITIONS
Collector-Base Breakdown Voltage
BV
CBO
I
C
=50µA
Collector-Emitter Breakdown Voltage BV
CEO
I
C
=1mA
Emitter-Base Breakdown Voltage
BV
EBO
I
E
=50µA
Collector Cut-off Current
I
CBO
V
CB
=100V
Emitter Cut-off Current
I
EBO
V
EB
=4V
DC Current Transfer Ratio
h
FE
V
CE
=5V, I
C
=0.1A
Collector-Emitter Saturation Voltage
V
CE(SAT)
I
C
=/I
B
=1A/0.1A(Note)
Transition Frequency
f
T
V
CE
=5V, I
E
= -0.1A, f=30MHz.
Output Capacitance
C
ob
V
CB
=10V, I
E
=0A, f=1MHz(Note)
Note
:
Measured using pulse current.
MIN
120
120
5
TYP
MAX
UNIT
V
V
V
µA
µA
V
MHz
pF
82
80
20
1
1
390
0.4
CLASSIFICATION OF h
FE
RANK
RANGE
P
82-180
Q
120-270
R
180-390
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
2 of 2
QW-R201-057,C
Mobile and portable
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