BC635/637/639 NPN EPITAXIAL SILICON TRANSISTOR
SWITCHING AND AMPLIFIER APPLICATIONS
• Complement to BC635/638/640
ABSOLUTE MAXIMUM RATINGS (TA=25°°C)
• PW=5ms, Duty Cycle=10%
ELECTRICAL CHARACTERISTICS (TA=25°°C)
Characteristic Symbol Rating Unit
Collector Emitter Voltage : BC635
at RBE=1Kohm : BC637
: BC639
Collector Emitter Voltage : BC635
: BC637
: BC639
Collector Emitter Voltage : BC635
: BC637
: BC639
Emitter Base Voltage
Collector Current
Peak Collector Current
Base Current
Collector Dissipation
Junction Temperature
Storage Temperature
VCER
VCES
VCEO
VEBO
IC
ICP
IB
PC
TJ
TSTG
45
60
100
45
60
100
45
60
80
5
1
1.5
100
1
150
-65 ~ 150
V
V
V
V
V
V
V
V
V
V
A
A
mA
W
°C
°C
Characteristic Symbol Test Conditions Min Typ Max Unit
Collector-Emitter Breakdown Voltage
: BC635
: BC736
: BC639
Collector Cut-off Current
Emitter Cut-off Current
DC Current Gain :BC635
: BC637/BC639
Collector Emitter Saturation Voltage
Base Emitter On Voltage
Current Gain Bandwidth Product
BVCEO
ICBO
IEBO
hFE
VCE(sat)
VBE(on)
fT
IC=10mA, IB=0
VCB=30V, IE=0
VEB=5V, IC=0
VCE=2V, IC=5mA
VCE=2V, IC=150mA
VCE=2V, IC=500mA
IC=500mA, IB=50mA
VCE=2V, IC=500mA
VCE=5V, IC=10mA, f=50MHz
45
60
80
25
40
40
25
100
0.1
0.1
250
160
0.5
1
V
V
V
µA
µA
V
V
MHz
TO-92
1. Emitter 2. Collector 3. Base
1999 Fairchild Semiconductor Corporation
Rev. B
BC635/637/639 NPN EPITAXIAL SILICON TRANSISTOR
TRADEMARKS
ACEx™
CoolFET™
CROSSVOLT™
E2CMOSTM
FACT™
FACT Quiet Series™
FAST®
FASTr™
GTO™
HiSeC™
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, or (c) whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information
Preliminary
No Identification Needed
Obsolete
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Formative or
In Design
First Production
Full Production
Not In Production
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DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
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