Product specification
Supersedes data of 1998 Mar 26
2000 Aug 25
Page 2
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
DESCRIPTION
The temperature sensors in the KTY81-1 series have a
positive temperature coefficient of resistance and are
suitable foruse in measurement and control systems. The
sensors are encapsulated in the SOD70 leaded plastic
package.
Tolerances of 0.5% or other special selections are
available on request.
in still liquid; note 2−5−s
in flowing liquid; note 2−3−s
rated temperature range−55−+150°C
Notes
1. The thermal time constant is the time taken for the sensor to reach 63.2% of the total temperature difference. For
example, if asensor with a temperature of25 °C ismoved to an environment withan ambient temperature of 100 °C,
the time for the sensor to reach a temperature of 47.4 °C is the thermal time constant.
2. Inert liquid, e.g. FC43 manufactured by the 3M company.
2000 Aug 253
Page 4
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
Table 1 Ambient temperature, corresponding resistance, temperature coefficient and maximum expected temperature
To keep the temperature error low, an operating current of
= 1 mA is recommended for temperatures above 100 °C.
I
cont
150 °C
125 °C
100 °C
75 °C
50 °C
25 °C
0 °C
−25 °C
−50 °C
110
I
cont
MGG699
(mA)
Fig.4Sensorresistanceasafunctionofoperating
current.
12
handbook, halfpage
I
cont
(mA)
8
4
0
−50050150
100
T
Fig.5Maximum operating current for safe
operation.
amb
MGG705
(°C)
2000 Aug 258
Page 9
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
(mA)
MGG704
2
20
handbook, halfpage
∆R
(Ω)
10
0
−10
01
T
=25°C.
amb
I
cont
Fig.6Deviationof sensor resistanceas a function
of operating current in still liquid.
APPLICATION INFORMATION
SYMBOLPARAMETERCONDITIONSTYP.UNIT
∆R
25
drift of sensor resistance at 25 °C10000 hours continuous operation;
T
= 150 °C
amb
1.6Ω
2000 Aug 259
Page 10
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
PACKAGING
Sensors in SOD70 encapsulation are delivered in bulk packaging and also in reelpackaging for automatic placement on
hybrid circuits and printed-circuit boards (see Figs 7 and 8).
Note: Types in bulk packaging have a lead-to-lead distance of 2.54 millimetres. The lead-to-lead distance of types
packaged on reel is 5.08 millimetres for spread lead types and 2.54 millimetres for straight lead types.
handbook, full pagewidth
H
1
H
0
P
A
1
A
H
2
L
F
12
P
2
F
F
P
0
D
0
(p)
W
2
W
0
W
1
W
MBH795
T
∆h∆h
t
1
t
Fig.7 Configuration of bandolier: spread leads.
2000 Aug 2510
Page 11
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
handbook, full pagewidth
H
1
H
0
P
A
1
A
H
2
L
F
12
P
2
F
F
P
0
D
0
(p)
W
2
W
0
W
MBL214
1
W
T
∆h ∆h
t
1
t
Fig.8 Configuration of bandolier: straight leads.
2000 Aug 2511
Page 12
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
Table 5 Tape specification
SYMBOLDIMENSION
REMARKS
MIN.NOM.MAX.TOL.UNIT
SPECIFICATIONS
A
1
body width4.4−4.8−mm
Abody height5−5.2−mm
Tbody thickness3.6−4.2−mm
Ppitch of component−12.7−±1mm
P
0
feed hole pitch−12.7−±0.3mm
cumulative pitch error−−−±0.1note 1
P
2
feedhole centre to component
centre
−6.35−±0.4mmto be measured at bottom
of clinch
Flead-to-lead distance
spread leads−5.08−+0.6/−0.2 mm
straight leads−2.54−+0.6/−0.2mm
∆hcomponent alignment−01−mmat top of body
Wtape width−18−±0.5mm
W
W
W
H
H
0
1
2
0
1
hold-down tape width−6−±0.2mm
hole position−9−+0.7/−0.5 mm
hold-down tape position−0.5−±0.2mm
lead wire clinch height−16.5−±0.5mm
component height−−23.25−mm
Llength of snipped leads−−11−mm
D
0
ttotal tape thickness−−1.2−mmt
F
, F
1
feed hole diameter−4−±0.2mm
lead to snipped lead distance
2
= 0.3 to 0.6
1
spread leads−2.54−+0.4/−0.2 mm
straight leads−1.27−+0.4/−0.2mm
H
2
clinch height−2.5−+0.5/0mm
(p)pull-out force6−−−N
Note
1. Measured over 20 devices.
2000 Aug 2512
Page 13
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
PACKAGE OUTLINE
Plastic near cylindrical single-ended package; 2 in-line leadsSOD70
c
E
d
AL
1
D
2
b
1
02.55 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
Note
1. Terminal dimensions within this zone are uncontrolled to allow for flow of plastic and terminal irregularities.
mm
OUTLINE
VERSION
SOD70
A
5.2
5.0
b
0.48
0.40
b
c
D
d
1
0.66
0.45
0.40
4.8
4.4
0.56
IEC JEDEC EIAJ
E
1.7
4.2
1.4
3.6
REFERENCES
e
2.54
L
14.5
12.7
(1)
L
1
max.
2.5
L
2
L
1
L
2
0.7
0.5
EUROPEAN
PROJECTION
b
e
ISSUE DATE
98-05-25
2000 Aug 2513
Page 14
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
DATA SHEET STATUS
DATA SHEET STATUS
Objective specificationDevelopmentThis data sheet contains the design target or goal specifications for
Preliminary specificationQualificationThis data sheet contains preliminary data, and supplementary data will be
Product specificationProductionThis data sheet contains final specifications. Philips Semiconductors
Note
1. Please consult the most recently issued data sheet before initiating or completing a design.
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
atthese or at anyotherconditions above those giveninthe
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
norepresentationor warranty that such applicationswillbe
suitable for the specified use without further testing or
modification.
PRODUCT
STATUS
DEFINITIONS
product development. Specification may change in any manner without
notice.
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.
reserves the right to make changes at any time without notice in order to
improve design and supply the best possible product.
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 expectedto result inpersonal injury. Philips
Semiconductorscustomersusing or selling these 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
theuseof any of theseproducts,conveysno licence or title
under any patent, copyright, or mask work right to these
products,and makes no representationsor warranties that
these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified.
(1)
2000 Aug 2514
Page 15
Philips SemiconductorsProduct specification
Silicon temperature sensorsKTY81-1 series
NOTES
2000 Aug 2515
Page 16
Philips Semiconductors – a w orldwide compan y
Argentina: see South America
Australia: 3 Figtree Drive, HOMEBUSH, NSW 2140,
United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409,
Tel. +1 800 234 7381, Fax. +1 800 943 0087
Uruguay: see South America
Vietnam: see Singapore
Yugoslavia: PHILIPS, Trg N. Pasica 5/v, 11000 BEOGRAD,
Tel. +381 11 3341 299, Fax.+381 11 3342 553
For all other countries apply to: Philips Semiconductors,
Marketing Communications, Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN,
The Netherlands, Fax. +31 40 27 24825
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.
2000
Internet: http://www.semiconductors.philips.com
70
Printed in The Netherlands613520/03/pp16 Date of release: 2000 Aug 25Document order number: 9397 750 07226
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