Data Sheet

DISCRETE SEMICONDUCTORS
DATA SHEET
PMMT491A
NPN BISS transistor
Product data sheet
Supersedes data of 2001 Jun 11
2004 Jan 13
NXP Semiconductors
Product data sheet
NPN BISS transistor
PMMT491A
FEATURES
PINNING
• High current (max. 1 A)
PIN
• Low collector-emitter saturation voltage ensures
reduced power consumption.
APPLICATIONS
DESCRIPTION
1
base
2
emitter
3
collector
• Battery powered units where high current and low power
consumption are important.
DESCRIPTION
handbook, halfpage
3
3
NPN BISS (Breakthrough In Small Signal) transistor in a
SOT23 plastic package. PNP complement: PMMT591A.
1
MARKING
TYPE NUMBER
MARKING
PMMT491A
1
CODE(1)
Top view
9A*
2
2
MAM255
Note
1. * = p : Made in Hong Kong.
* = t : Made in Malaysia.
* = W : Made in China.
Fig.1 Simplified outline (SOT23) and symbol.
ORDERING INFORMATION
TYPE
NUMBER
PMMT491A
PACKAGE
NAME
−
DESCRIPTION
VERSION
plastic surface mounted package; 3 leads
SOT23
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCBO
collector-base voltage
open emitter
−
40
V
VCEO
collector-emitter voltage
open base
−
40
V
VEBO
emitter-base voltage
open collector
−
5
V
IC
collector current (DC)
−
1
A
ICM
peak collector current
−
2
A
IBM
peak base current
−
1
A
Ptot
total power dissipation
−
250
mW
Tstg
storage temperature
−65
+150
°C
Tj
junction temperature
−
150
°C
Tamb
operating ambient temperature
−65
+150
°C
Tamb ≤ 25 °C; note 1
Note
1. Transistor mounted on an FR4 printed-circuit board.
2004 Jan 13
2
NXP Semiconductors
Product data sheet
NPN BISS transistor
PMMT491A
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-a)
PARAMETER
CONDITIONS
thermal resistance from junction to ambient
VALUE
UNIT
500
K/W
note 1
Note
1. Transistor mounted on an FR4 printed-circuit board.
CHARACTERISTICS
Tamb = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
ICBO
collector cut-off current
IE = 0; VCB = 30 V
−
100
nA
ICEO
collector cut-off current
IB = 0; VCE = 30 V
−
100
nA
IEBO
emitter cut-off current
IC = 0; VEB = 5 V
−
100
nA
hFE
DC current gain
VCE = 5 V; note 1
IC = 1 mA
300
−
IC = 500 mA
300
900
IC = 1 A
200
−
IC = 100 mA; IB = 1 mA
−
200
mV
IC = 500 mA; IB = 50 mA
−
300
mV
IC = 1 A; IB = 100 mA
−
500
mV
VCEsat
collector-emitter saturation voltage note 1
VBEsat
base-emitter saturation voltage
IC = 1 A; IB = 100 mA; note 1
−
1.2
V
VBE
base-emitter voltage
VCE = 5 V; IC = 1 A; note 1
−
1.1
V
Cc
collector capacitance
IE = Ie = 0; VCB = 10 V; f = 1 MHz
−
10
pF
fT
transition frequency
IC = 50 mA; VCE = 10 V; f = 100 MHz 150
−
MHz
Note
1. Pulse test: tp ≤ 300 μs; δ ≤ 0.02.
2004 Jan 13
3
NXP Semiconductors
Product data sheet
NPN BISS transistor
PMMT491A
MLD642
1000
MLD635
10
handbook, halfpage
handbook, halfpage
hFE
800
VBE
(1)
(V)
600
(2)
(1)
1
400
(2)
(3)
(3)
200
0
10−1
1
102
10
10−1
10−1
103
104
IC (mA)
1
VCE = 5 V.
(1) Tamb = 150 °C.
(2) Tamb = 25 °C.
(3) Tamb = −55 °C.
VCE = 5 V.
(1) Tamb = −55 °C.
(2) Tamb = 25 °C.
(3) Tamb = 150 °C.
Fig.2
Fig.3
DC current gain as a function of collector
current; typical values.
MLD636
103
handbook, halfpage
10
102
103
104
IC (mA)
Base-emitter voltage as a function of
collector current; typical values.
MLD637
400
handbook, halfpage
fT
(MHz)
VCEsat
(mV)
300
(1)
102
(2)
200
(3)
10
100
1
1
10
102
103
IC (mA)
0
104
0
200
400
600
1000
800
IC (mA)
IC/IB = 10.
(1) Tamb = 150 °C.
(2) Tamb = 25 °C.
(3) Tamb = −55 °C.
VCE = 10 V.
Fig.4
Fig.5
Collector-emitter saturation voltage as a
function of collector current; typical values.
2004 Jan 13
4
Transition frequency as a function of
collector current; typical values.
NXP Semiconductors
Product data sheet
NPN BISS transistor
PMMT491A
PACKAGE OUTLINE
Plastic surface-mounted package; 3 leads
SOT23
D
E
B
A
X
HE
v M A
3
Q
A
A1
1
2
e1
bp
c
w M B
Lp
e
detail X
0
1
2 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
A1
max.
bp
c
D
E
e
e1
HE
Lp
Q
v
w
mm
1.1
0.9
0.1
0.48
0.38
0.15
0.09
3.0
2.8
1.4
1.2
1.9
0.95
2.5
2.1
0.45
0.15
0.55
0.45
0.2
0.1
OUTLINE
VERSION
SOT23
2004 Jan 13
REFERENCES
IEC
JEDEC
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
04-11-04
06-03-16
TO-236AB
5
NXP Semiconductors
Product data sheet
NPN BISS transistor
PMMT491A
DATA SHEET STATUS
DOCUMENT
STATUS(1)
PRODUCT
STATUS(2)
DEFINITION
Objective data sheet
Development
This document contains data from the objective specification for product
development.
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 document was published
and may differ in case of multiple devices. The latest product status information is available on the Internet at
URL http://www.nxp.com.
DISCLAIMERS
above those given in the Characteristics sections of this
document is not implied. Exposure to limiting values for
extended periods may affect device reliability.
General ⎯ Information in this document is believed to be
accurate and reliable. However, NXP Semiconductors
does not give any representations or warranties,
expressed or implied, as to the accuracy or completeness
of such information and shall have no liability for the
consequences of use of such information.
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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.
Applications ⎯ Applications that are described herein for
any of these products are for illustrative purposes only.
NXP Semiconductors makes no representation or
warranty that such applications will be suitable for the
specified use without further testing or modification.
Limiting values ⎯ Stress above one or more limiting
values (as defined in the Absolute Maximum Ratings
System of IEC 60134) may cause permanent damage to
the device. Limiting values are stress ratings only and
operation of the device at these or any other conditions
2004 Jan 13
6
NXP Semiconductors
Customer notification
This data sheet was changed to reflect the new company name NXP Semiconductors, including new legal
definitions and disclaimers. No changes were made to the technical content, except for package outline
drawings which were updated to the latest version.
Contact information
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© NXP B.V. 2009
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
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under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
R75/05/pp7
Date of release: 2004 Jan 13
Document order number: 9397 750 12528
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