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BC637 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part # BC637
Description  NPN EPITAXIAL SILICON TRANSISTOR
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

BC637 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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©2002 Fairchild Semiconductor Corporation
Rev. B2, December 2002
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings T
a=25°C unless otherwise noted
• PW=5ms, Duty Cycle=10%
Electrical Characteristics T
a=25°C unless otherwise noted
Symbol
Parameter
Value
Units
VCER
Collector-Emitter Voltage at RBE=1KΩ
: BC635
: BC637
: BC639
45
60
100
V
V
V
VCES
Collector-Emitter Voltage
: BC635
: BC637
: BC639
45
60
100
V
V
V
VCEO
Collector-Emitter Voltage
: BC635
: BC637
: BC639
45
60
80
V
V
V
VEBO
Emitter-Base Voltage
5
V
IC
Collector Current
1
A
ICP
Peak Collector Current
1.5
A
IB
Base Current
100
mA
PC
Collector Power Dissipation
1
W
TJ
Junction Temperature
150
°C
TSTG
Storage Temperature
-65 ~ 150
°C
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Units
BVCEO
Collector-Emitter Breakdown Voltage
: BC635
: BC637
: BC639
IC=10mA, IB=0
45
60
80
V
V
V
ICBO
Collector Cut-off Current
VCB=30V, IE=0
0.1
µA
IEBO
Emitter Cut-off Current
VEB=5V, IC=0
0.1
µA
hFE1
hFE2
hFE3
DC Current Gain
: All
: BC635
: BC637/BC639
: All
VCE=2V, IC=5mA
VCE=2V, IC=150mA
VCE=2V, IC=500mA
25
40
40
25
250
160
VCE(sat)
Collector-Emitter Saturation Voltage
IC=500mA, IB=50mA
0.5
V
VBE(on)
Base-Emitter On Voltage
VCE=2V, IC=500mA
1
V
fT
Current Gain Bandwidth Product
VCE=5V, IC=10mA,
f=50MHz
100
MHz
BC635/637/639
Switching and Amplifier Applications
• Complement to BC636/638/640
1. Emitter 2. Collector 3. Base
TO-92
1


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