
ook, halfpage
DISCRETE SEMICONDUCTORS
M3D187
PMST4401
NPN switching transistor
Product data sheet
Supersedes data of 1997 May 07
1999 Apr 22

NXP Semiconductors Product data sheet
NPN switching transistor PMST4401
FEATURES
• High current (max. 600 mA)
• Low voltage (max. 40 V).
APPLICATIONS
• General purpose switching and linear amplification,
especially in portable equipment.
DESCRIPTION
NPN switching transistor in a SOT323 plastic package.
complement: PMST4403.
PNP
MARKING
T YPE NUMBER MARKING CODE
(1)
PMST4401 ∗2X
Note
1. ∗ = - : Made in Hong Kong.
∗ = t : Made in Malaysia.
PINNING
PIN DESCRIPTION
1 base
2 emitter
3 collector
handbook, halfpage
Top view
3
1
1
2
MAM062
Fig.1 Simplified outline (SOT323) and symbol.
3
2
LIMITING VALUES
In accordance with the Absolu te Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
V
V
I
I
I
P
T
T
T
CBO
CEO
EBO
C
CM
BM
tot
stg
j
amb
collector-base voltage open emitter − 60 V
collector-emitter voltage open base − 40 V
emitter-base voltage open collector − 6 V
collector current (DC) − 600 mA
peak collector current − 600 mA
peak base current − 200 mA
total power dissipation T
≤ 25 °C; note 1 − 200 mW
amb
storage temperature −65 +150 °C
junction temperature − 150 °C
operating ambient temperature −65 +150 °C
Note
1. Transistor mounted on an FR4 printed-circuit board.
1999 Apr 22 2

NXP Semiconductors Product data sheet
NPN switching transistor PMST4401
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS VALUE UNIT
R
th j-a
Note
1. Transistor mounted on an FR4 printed-circuit board.
CHARACTERISTICS
T
= 25 °C unless otherwise specified.
amb
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
I
CBO
I
EBO
h
FE
V
CEsat
V
BEsat
C
c
C
e
f
T
Switching times (between 10% and 90% levels); (see Fig.3)
t
on
t
d
t
r
t
off
t
s
t
f
thermal resistance from junction to ambient note 1 625 K/W
collector cut-off current IE = 0; VCB = 60 V − 50 nA
IE = 0; VCB = 60 V; Tj = 150 °C − 10 µA
emitter cut-off current IC = 0; VEB = 6 V − 50 nA
DC current gain VCE = 1 V; (see Fig.2)
IC = 0.1 mA 20 −
IC = 1 mA 40 −
IC = 10 mA 80 −
IC = 150 mA; note 1 100 300
DC current gain IC = 500 mA; VCE = 2 V; note 1 40 −
collector-emitter saturation voltage IC = 150 mA; IB = 15 mA; note 1 − 400 mV
IC = 500 mA; IB = 50 mA; note 1 − 750 mV
base-emitter saturation vo ltage IC = 150 mA; IB = 15 mA; note 1 − 950 mV
IC = 500 mA; IB = 50 mA; note 1 − 1.2 V
collector capacitance IE = ie = 0; VCB = 5 V; f = 1 MHz − 8 pF
emitter capacitance IE = ie = 0; VEB = 500 mV; f = 1 MHz − 30 pF
transition frequency IC = 20 mA; VCE = 10 V; f = 100 MHz 250 − MHz
turn-on time I
delay time − 15 ns
= 150 mA; I
Con
= −15 mA
I
Boff
= 15 mA;
Bon
− 35 ns
rise time − 20 ns
turn-off time − 250 ns
storage time − 200 ns
fall time − 60 ns
Note
1. Pulse test: tp ≤ 300 µs; δ ≤ 0.02.
1999 Apr 22 3

NXP Semiconductors Product data sheet
NPN switching transistor PMST4401
300
handbook, full pagewidth
h
FE
200
100
0
−1
10
MGD811
VCE = 1 V
11010210
IC mA
Fig.2 DC current gain; typical values.
3
handbook, full pagewidth
oscilloscope
V
i
(probe)
450 Ω
R2
BB
R
B
CC
R
C
V
(probe)
o
450 Ω
oscilloscope
DUT
R1
MLB826
Vi = 9.5 V; T = 500 µs; tp = 10 µs; tr = tf ≤ 3 ns.
R1 = 68 Ω; R2 = 325 Ω; RB = 325 Ω; RC = 160 Ω.
VBB = −3.5 V; VCC = 29.5 V.
Oscilloscope: input impedance Zi = 50 Ω.
Fig.3 Test circuit for switching times.
1999 Apr 22 4

NXP Semiconductors Product data sheet
NPN switching transistor PMST4401
PACKAGE OUTLINE
Plastic surface mounted package; 3 leads SOT32
D
y
3
A
12
e
b
1
p
e
w M
B
E
H
E
A
1
detail X
AB
Q
c
L
p
X
v M
A
0 1 2 mm
scale
DIMENSIONS (mm are the original dimensions)
A
max
0.1
1
b
cD
p
0.4
0.25
0.10
2.2
1.8
0.3
IEC JEDEC EIAJ
E
1.35
1.15
REFERENCES
1.3
e1H
e
0.65
2.2
2.0
L
Qwv
p
E
0.45
0.15
0.23
0.13
0.20.2
EUROPEAN
PROJECTION
ISSUE DATE
97-02-28
UNIT
A
1.1
mm
0.8
OUTLINE
VERSION
SOT323 SC-70
1999 Apr 22 5

NXP Semiconductors Product data sheet
NPN switching transistor PMST4401
DATA SHEET STATUS
DOCUMENT
STATUS
Objective data sheet Development This document contains data from the objective specification for product
Preliminary data sheet Qualification This document contains data from the preliminary specification.
Product data sheet Production This document contains the product specification.
Notes
1. Please consult the most recently issued document before initiating or completing a design.
2. The product status of device(s) described in this document may have changed since this do cument was published
and may differ in case of multiple devices. The latest product status information is available on the Internet at
http://www.nxp.com.
URL
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does not give any representations or warranties,
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reserves the right to make changes to information
published in this document, including without limitation
specifications and product descriptions, at any time and
without notice. This document supersedes and replaces all
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Applications ⎯ Applications that are described herein for
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NXP Semiconductors makes no representation or
warranty that such applications will be suitable for the
specified use without further testing or modificati on .
(1)
PRODUCT
STATUS
(2)
DEFINITION
development.
above those given in the Characteristics sections of this
document is not implied. Exposure to limiting values for
extended periods may affect device reliability.
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Export control ⎯ This document as well as the item(s)
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regulations. Export might require a prior authorization from
national authorities.
Quick reference data ⎯ The Quick reference data is an
extract of the product data given in the Limiting values and
Characteristics sections of this document, and as such is
not complete, exhaustive or legally binding.
Limiting values ⎯ Stress above one or more limiting
values (as defined in the Absolute Maximum Ratings
System of IEC
the device. Limiting values are stress ratings only an d
operation of the device at these or any other conditions
1999 Apr 22 6
60134) may cause permanent damage to

NXP Semiconductors
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Printed in The Netherlands 115002/00/03/pp7 Date of release: 1999 Apr 22 Document order number: 9397 750 05729