DATA SH EET
Product specification
Supersedes data of 1997 Mar 26 1999 May 28
DISCRETE SEMICONDUCTORS
2PC945
NPN general purpose transistor
n
dbook, halfpage
M3D186
1999 May 28 2
Philips Semiconductors Product specification
NPN general purpose transistor 2PC945
FEATURES
•Low current (max. 100 mA)
•Low voltage (max. 50 V).
APPLICATIONS
•General purpose switching and amplification.
DESCRIPTION
NPN transistor in a TO-92 (SOT54) plastic package.
PNP complement: 2PA733.
PINNING
PIN DESCRIPTION
1 base
2 collector
3 emitter
Fig.1 Simplified outline (TO-92; SOT54)
and symbol.
handbook, halfpage
1
3
2
MAM259
2
1
3
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).s
Note
1. Transistor mounted on an FR4 printed-circuit board.
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VCBO collector-base voltage open emitter −60 V
VCEO collector-emitter voltage open base −50 V
VEBO emitter-base voltage open collector −5V
I
Ccollector current (DC) −100 mA
ICM peak collector current −200 mA
IBM peak base current −100 mA
Ptot total power dissipation Tamb ≤25 °C; note 1 −500 mW
Tstg storage temperature −65 +150 °C
Tjjunction temperature −150 °C
Tamb operating ambient temperature −65 +150 °C
1999 May 28 3
Philips Semiconductors Product specification
NPN general purpose transistor 2PC945
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 1 250 K/W
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
ICBO collector cut-off current IE= 0; VCB =60V −−100 nA
IEBO emitter cut-off current IC= 0; VEB =5V −−100 nA
hFE DC current gain IC= 0.1 mA; VCE =6V 50 −−
h
FE DC current gain IC= 1 mA; VCE =6V
2PC945P 200 −400
VCEsat collector-emitter saturation voltage IC= 100 mA; IB=10mA −−300 mV
VBEsat base-emitter saturation voltage IC= 100 mA; IB=10mA −−1.1 V
VBE base-emitter voltage IC= 1 mA; VCE = 6 V 600 −700 mV
Cccollector capacitance IE=i
e=0; VCB =6V; f=1MHz −−4pF
C
eemitter capacitance IC=i
c= 0; VEB = 0.5 V; f = 1 MHz −11 −pF
fTtransition frequency IC= 10 mA; VCE = 6 V; f = 100 MHz 150 −450 MHz
F noise figure IC= 200 µA; VCE =5V; R
S=2kΩ
f = 1 kHz, B = 200 Hz −−15 dB
1999 May 28 4
Philips Semiconductors Product specification
NPN general purpose transistor 2PC945
PACKAGE OUTLINE
UNIT A
REFERENCES
OUTLINE
VERSION EUROPEAN
PROJECTION ISSUE DATE
IEC JEDEC EIAJ
mm 5.2
5.0
b
0.48
0.40
c
0.45
0.40
D
4.8
4.4
d
1.7
1.4
E
4.2
3.6
L
14.5
12.7
e
2.54
e1
1.27
L1(1)
2.5
b1
0.66
0.56
DIMENSIONS (mm are the original dimensions)
Note
1. Terminal dimensions within this zone are uncontrolled to allow for flow of plastic and terminal irregularities.
SOT54 TO-92 SC-43 97-02-28
A L
0 2.5 5 mm
scale
b
c
D
b1L1
d
E
Plastic single-ended leaded (through hole) package; 3 leads SOT54
e1e
1
2
3
1999 May 28 5
Philips Semiconductors Product specification
NPN general purpose transistor 2PC945
DEFINITIONS
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 customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
Data Sheet Status
Objective specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). 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 at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
1999 May 28 6
Philips Semiconductors Product specification
NPN general purpose transistor 2PC945
NOTES
1999 May 28 7
Philips Semiconductors Product specification
NPN general purpose transistor 2PC945
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
under patent- or other industrial or intellectual property rights.
Internet: http://www.semiconductors.philips.com
1999 65
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Printed in The Netherlands 115002/03/pp8 Date of release: 1999 May 28 Document order number: 9397 750 05962
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General description
NPN transistor in a TO-92 (SOT54) plastic package.
PNP complement: 2PA733.
top
Features
● Low current (max. 100 mA)
● Low voltage (max. 50 V).
top
Applications
● General purpose switching and amplification.
top
Datasheet
Type
number Title Publication
release date Datasheet status Page
count File
size
(kB)
Datasheet
(Earlier versions)
2PC945 NPN general
purpose
transistor
28-May-99 Product
specification 8 47
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Philips Semiconductors - PIP - 2PC945; NPN general purpose transistor
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Parametrics
Type
number Package hFE
min hFE
max fT
min(MHz) POLARITY IC
max(mA) VCEO
max(V) Ptot
max(mW) Complement
2PC945P SOT54
(SPT, E-
1) 200 400 150 NPN 100 50 500 2PA733P
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Products, packages, availability and ordering
Type
number North
American
type
number
Ordering code
(12NC) Marking/Packing
Download
PDF
File
Discretes packing
info
Package Device status Buy online
2PC945P 2PC945P
T/R 9340 001 20116 Standard Marking
* Reel Pack,
Radial
SOT54
(SPT; E-1)
Full production
order this
product
online
-
2PC945P
AMO 9340 001 20126 Standard Marking
* Ammopack,
Radial
SOT54
(SPT; E-1)
Full production
order this
product
online
-
9340 001 20412
Standard Marking
* Bulk Pack,
Straight Leads (TO-
92)
SOT54
(SPT; E-1)
Full production -
Products in the above table are all in production. Some variants are discontinued; click here for information
on these variants.
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