
BCX17
PNP General Purpose Amplifier
• This device is esigned for general purpose amplifier and switching
application at current 0.5A.
• Sourced from process 78.
3
2
SOT-23
1
Mark: T1
1. Base 2. Emitter 3. Collector
BCX17
Absolute Maximum Ratings T
=25°C unless otherwise noted
C
Symbol Parameter Value Units
V
CEO
V
CBO
V
EBO
I
C
, T
T
J
stg
Electrical Characteristics
Collector-Emitter Voltage 45 V
Collector-Base Voltage 50 V
Emitter-Base Voltage 5.0 V
Collector current - Continuous 500 mA
Junction and Storage Temperature -55 ~ +150 °C
TC=25°C unless otherwise noted
Symbol Parameter Test Condition Min. Typ. Max. Units
Off Characteristics
V
(BR)CEO
V
(BR)CES
I
CBO
I
EBO
Collector-Emitter Breakdown Voltage IC = 10mA, IB = 0 45 V
Collector-Emitter Breakdown Voltage IC = 10µA, IC = 0 50 V
Collector Cutoff Current VCE = 20V, IE = 0
= 20V, IE = 0, TA = 150°C
V
CE
100
5.0nAµA
Emitter Cutoff Current VEB = 5.0V, IC = 0 10 µA
On Characteristics
h
FE
V
CE(sat)
V
BE(on)
Thermal Characteristics
DC Current Gain IC = 100mA, VCE = 1.0V
I
= 300mA, VCE = 1.0V
C
= 500mA, VCE = 1.0V
I
C
100
70
40
600
Collector-Emitter Saturation Voltage IC = 500mA, IB = 50mA 0.62 V
Base-Emitter On Voltage IC = 500mA, VCE = 1.0V 1.2 V
TA=25°C unless otherwise noted
Symbol Parameter Max. Units
P
D
R
θJA
** Alumina = 0.4×0.3×0.024 in. 9.5% alumina
Total Device Dissipation
Alumina Substrate,** T
Derate above 25°C
= 25°C
A
300
2.4
Thermal Resistance, Junction to Ambient 417 °C/W
mW
mW/°C
©2002 Fairchild Semiconductor Corporation Rev. A1, August 2002

Package Dimensions
0.40
±0.03
BCX17
SOT-23
0.20 MIN
0.45~0.60
0.95
2.90
±0.03
1.90
±0.10
0.95
±0.03
±0.03
±0.10
0.40
±0.03
0.97REF 1.30
0.508REF
±0.10
2.40
0.96~1.14
0.03~0.10
0.38 REF
+0.05
0.12
–0.023
Dimensions in Millimeters
©2002 Fairchild Semiconductor Corporation Rev. A1, August 2002

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2
CMOS™
E
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C™
I
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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
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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 Formative or In
Design
Preliminary First Production This datasheet contains preliminary data, and
No Identification Needed Full Production This datasheet contains final specifications. Fairchild
Obsolete Not In Production This datasheet contains specifications on a product
©2002 Fairchild Semiconductor Corporation Rev. I1
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
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.
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.