DATA SH EET
Product specification
Supersedes data of 1999 Apr 13 2000 Jul 04
DISCRETE SEMICONDUCTORS
BCW31; BCW32; BCW33
NPN general purpose transistors
o
k, halfpage
M3D088
2000 Jul 04 2
Philips Semiconductors Product specification
NPN general purpose transistors BCW31; BCW32; BCW33
FEATURES
Low current (100 mA)
Low voltage (32 V).
APPLICATIONS
General purpose switching and amplification.
DESCRIPTION
NPN transistors in a plastic SOT23 package.
PNP complements: BCW29 and BCW30.
MARKING
Note
1. = p : Made in Hong Kong.
= t : Made in Malaysia.
PINNING
TYPE NUMBER MARKING CODE(1)
BCW31 D1
BCW32 D2
BCW33 D3
PIN DESCRIPTION
1 base
2 emitter
3 collector
Fig.1 Simplified outline (SOT23) and symbol.
handbook, halfpage
21
3
MAM255
Top view
2
3
1
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VCBO collector-base voltage open emitter 32 V
VCEO collector-emitter voltage open base; IC=2mA 32 V
VEBO emitter-base voltage open collector 5V
I
Ccollector current (DC) 100 mA
ICM peak collector current 200 mA
IBM peak base current 200 mA
Ptot total power dissipation Tamb 25 °C250 mW
Tstg storage temperature 65 +150 °C
Tjjunction temperature 150 °C
Tamb operating ambient temperature 65 +150 °C
2000 Jul 04 3
Philips Semiconductors Product specification
NPN general purpose transistors BCW31; BCW32; BCW33
THERMAL CHARACTERISTICS
Note
1. Transistor mounted on an FR4 printed-circuit board.
CHARACTERISTICS
Tj=25°C unless otherwise specified.
SYMBOL PARAMETER CONDITIONS VALUE UNIT
Rth j-a thermal resistance from junction to ambient note 1 500 K/W
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
ICBO collector cut-off current IE= 0; VCB =32V −−100 nA
IE= 0; VCB =32V; T
j= 100 °C−−10 µA
IEBO emitter cut-off current IC= 0; VEB =5V −−100 nA
hFE DC current gain IC=10µA; VCE =5V
BCW31 190
BCW32 330
BCW33 600
DC current gain IC= 2 mA; VCE =5V
BCW31 110 220
BCW32 200 450
BCW33 420 800
VCEsat collector-emitter saturation
voltage IC= 10 mA; IB= 0.5 mA 120 250 mV
IC= 50 mA; IB= 2.5 mA 210 mV
VBEsat base-emitter saturation
voltage IC= 10 mA; IB= 0.5 mA 750 mV
IC= 50 mA; IB= 2.5 mA 850 mV
VBE base-emitter voltage IC= 2 mA; VCE = 5 V 550 700 mV
Cccollector capacitance IE=I
e= 0; VCB =10V; f=1MHz 2.5 pF
fTtransition frequency IC= 10 mA; VCE = 5 V; f = 100 MHz 100 −−MHz
F noise figure IC= 200 µA; VCE =5V; R
S=2k;
f = 1 kHz; B = 200 Hz −−10 dB
2000 Jul 04 4
Philips Semiconductors Product specification
NPN general purpose transistors BCW31; BCW32; BCW33
PACKAGE OUTLINE
UNIT A1
max. bpcDE e1HELpQwv
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
97-02-28
99-09-13
IEC JEDEC EIAJ
mm 0.1 0.48
0.38 0.15
0.09 3.0
2.8 1.4
1.2 0.95
e
1.9 2.5
2.1 0.55
0.45 0.1
0.2
DIMENSIONS (mm are the original dimensions)
0.45
0.15
SOT23 TO-236AB
bp
D
e1
e
A
A1
Lp
Q
detail X
HE
E
wM
vMA
B
AB
0 1 2 mm
scale
A
1.1
0.9
c
X
12
3
Plastic surface mounted package; 3 leads SOT23
2000 Jul 04 5
Philips Semiconductors Product specification
NPN general purpose transistors BCW31; BCW32; BCW33
DATA SHEET STATUS
Note
1. Please consult the most recently issued data sheet before initiating or completing a design.
DATA SHEET STATUS PRODUCT
STATUS DEFINITIONS (1)
Objective specification Development This data sheet contains the design target or goal specifications for
product development. Specification may change in any manner without
notice.
Preliminary specification Qualification This data sheet contains preliminary data, and supplementary data will be
published at a later date. Philips Semiconductors reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
Product specification Production This data sheet contains final specifications. Philips Semiconductors
reserves the right to make changes at any time without notice in order to
improve design and supply the best possible product.
DEFINITIONS
Short-form specification The data in a short-form
specification is extracted from a full data sheet with the
same type number and title. For detailed information see
the relevant data sheet or data handbook.
Limiting values definition Limiting values given are in
accordance with the Absolute Maximum Rating System
(IEC 60134). Stress above one or more of the limiting
values may cause permanent damage to the device.
These are stress ratings only and operation of the device
attheseorat anyother conditionsabove thosegiveninthe
Characteristics sections of the specification is not implied.
Exposure to limiting values for extended periods may
affect device reliability.
Application information Applications that are
described herein for any of these products are for
illustrative purposes only. Philips Semiconductors make
norepresentationorwarrantythatsuchapplicationswillbe
suitable for the specified use without further testing or
modification.
DISCLAIMERS
Life support applications These products are not
designed for use in life support appliances, devices, or
systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips
Semiconductorscustomersusingorsellingthese products
for use in such applications do so at their own risk and
agree to fully indemnify Philips Semiconductors for any
damages resulting from such application.
Right to make changes Philips Semiconductors
reserves the right to make changes, without notice, in the
products, including circuits, standard cells, and/or
software, described or contained herein in order to
improve design and/or performance. Philips
Semiconductors assumes no responsibility or liability for
theuseofanyoftheseproducts, conveysnolicenceortitle
under any patent, copyright, or mask work right to these
products,and makesnorepresentations orwarranties that
these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified.
2000 Jul 04 6
Philips Semiconductors Product specification
NPN general purpose transistors BCW31; BCW32; BCW33
NOTES
2000 Jul 04 7
Philips Semiconductors Product specification
NPN general purpose transistors BCW31; BCW32; BCW33
NOTES
© Philips Electronics N.V. SCA
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license
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Internet: http://www.semiconductors.philips.com
2000 70
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Printed in The Netherlands 613514/04/pp8 Date of release: 2000 Jul 04 Document order number: 9397 750 07205