Fairchild Semiconductor BCW71 Datasheet

BCW71 NPN EPITAXIAL SILICON TRANSISTOR



GENERAL PURPOSE TRANSISTOR

ABSOLUTE MAXIMUM RATINGS (TA=25°°C)

Characteristic Symbol Rating Unit

Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Collector Dissipation
Storage Temperature

V

CBO

V

CEO

V

EBO

I

C

P

C

T

STG

50
45

5
100
350
150

• Refer to KST2222 for graphs

ELECTRICAL CHARACTERISTICS (TA=25°°C)

Characteristic Symbol Test Conditions Min Typ Max Unit

Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cut-off Current
DC Current Gain
Collector-Emitter Saturation Voltage

Base-Emitter Saturation Voltage
Base-Emitter On Voltage
Current Gain Bandwidth Product

Output Capacitance

Noise Figures

BV
BV
BV
BV
I
h
V

V
V
f

C

NF

CBO

T

CBO
CEO
CES
EBO

FE

(sat)

CE

(sat)

BE

(on)

BE

OB

V
V
V

mA

mW

°C

IC=10µA, IE=0
IC=2mA, IB=0
IC=2mA, VEB=0
IE=10µA, IC=0
VCB=20V, IE=0
VCE=5V, IC=2mA
IC=10mA, IB=0.5mA
IC=50mA, IB=2.5mA
IC=50mA, IB=2.5mA
IC=2mA, VCE=5V
VCE=5V, IC=10mA
f=35MHz
VCB=10V, IE=0
f=1MHz
VCE=5V, IC=2.0mA
RG=2KΩ, f=1KHz

SOT-23

1. Base 2. Emitter 3. Collector

50
45
45

5

110

0.21

0.85

0.6

300

100
220

0.25

0.75

V
V
V
V

nA

V
V
V
V

MHz

pF

4

dB

10

Rev. B

1999 Fairchild Semiconductor Corporation

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.