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What is C4257?

This electronic component, produced by the manufacturer "Sanyo Semicon Device", performs the same function as "NPN Transistor - 2SC4257".


C4257 Datasheet PDF - Sanyo Semicon Device

Part Number C4257
Description NPN Transistor - 2SC4257
Manufacturers Sanyo Semicon Device 
Logo Sanyo Semicon Device Logo 


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Ordering number:EN2925A
NPN Triple Diffused Planar Silicon Transistor
2SC4257
1200V/30mA High-Voltage Amplifier,
High-Voltage Switching Applications
Features
· High breakdown voltage.
· Small Cob.
· Wide ASO.
· High reliability (Adoption of HVP process).
Package Dimensions
unit:mm
2010C
[2SC4257]
10.2
3.6 5.1
4.5
1.3
1.2
0.8
123
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Collector-to-Base Voltage
Collector-to-Emitter Voltage
Emitter-to-Base Voltage
Collector Current
Collector Current (Pulse)
Collector Dissipation
Junction Temperature
Storage Temperature
Symbol
VCBO
VCEO
VEBO
IC
ICP
PC
Tj
Tstg
Electrical Characteristics at Ta = 25˚C
2.55
Conditions
Parameter
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Gain-Bandwidth Product
Collector-to-Emitter Saturation Voltage
Base-to-Emitter Saturation Voltage
Collector-to-Base Breakdown Voltage
Collector-to-Emitter Breakdown Voltage
Emitter-to-Base Breakdown Voltage
Output Capacitance
Symbol
Conditions
ICBO
IEBO
hFE
fT
VCE(sat)
VBE(sat)
V(BR)CBO
V(BR)CEO
V(BR)EBO
Cob
VCB=1200V, IE=0
VEB=4V, IC=0
VCE=5V, IC=1.5mA
VCE=10V, IC=1.5mA
IC=3mA, IB=0.6mA
IC=3mA, IB=0.6mA
IC=100µA, IE=0
IC=1mA, RBE=
IE=100µA, IC=0
VCB=100V, f=1MHz
2.55
1 : Base
0.4
2 : Collector
3 : Emitter
JEDEC : TO-220AB
EIAJ : SC-46
Ratings
1500
1200
5
30
100
1.75
150
–55 to +150
Unit
V
V
V
mA
mA
W
˚C
˚C
Ratings
min typ
10
6
1500
1200
5
2.0
max
1
1
60
5
2
Unit
µA
µA
MHz
V
V
V
V
V
pF
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO 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 SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
D1598HA (KT)/D148MO, TS No.2925–1/3


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C4257 datasheet


1. 30mA, NPN Transistor - Sanyo

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