Page 1
BC635/637/639 NPN EPITAXIAL SILICON TRANSISTOR
SWITCHING AND AMPLIFIER APPLICATIONS
• Complement to BC635/638/640
ABSOLUTE MAXIMUM RATINGS (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
V
CER
45
60
100
V
CES
45
60
100
V
CEO
V
EBO
I
C
I
CP
I
B
P
C
T
J
T
STG
45
60
80
5
1
1.5
100
1
150
-65 ~ 150
• PW=5ms, Duty Cycle=10%
ELECTRICAL CHARACTERISTICS (TA=25°°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
BV
CEO
I
CBO
I
EBO
h
FE
VCE(sat)
VBE(on)
f
T
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
mA
W
°C
°C
TO-92
V
V
V
V
V
V
V
V
V
V
A
A
1. Emitter 2. Collector 3. Base
0.1
0.1
0.5
V
V
V
µA
µA
V
V
1
MHz
45
60
80
25
40
40
25
250
160
100
Rev. B
1999 Fairchild Semiconductor Corporation
Page 2
BC635/637/639 NPN EPITAXIAL SILICON TRANSISTOR
Page 3
TRADEMARKS
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.
ACEx™
CoolFET™
CROSSVOLT™
E2CMOS
TM
FACT™
FACT Quiet Series™
®
FAST
FASTr™
GTO™
HiSeC™
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD
DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT
RIGHTS, NOR THE RIGHTS OF OTHERS.
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:
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
Formative or
In Design
First Production
Full Production
Not In Production
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.
Loading...