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DATA  SHEET

Product specification

Supersedes data of 1996 Dec 06

File under Discrete Semiconductors, SC17

1998 Mar 26

DISCRETE SEMICONDUCTORS

KTY85-1 series

Silicon temperature sensors

book, halfpage

M3D238

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1998 Mar 26

2

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

DESCRIPTION

The temperature sensors in the KTY85-1 series have a

positive temperature coefficient of resistance and are

suitable for use in measurement and control systems.

The sensors are encapsulated in the SOD80 glass SMD

package.

Tolerances of 0.5% or other special selections are

available on request.

Fig.1  Simplified outline (SOD80).

The coloured marking band indicates the negative connection and

the product type.

The sensor must be operated with the lower potential at the marked

connection.

handbook, halfpage

MSB010 - 1

k

a

MARKING

TYPE NUMBER

MARKING BAND COLOUR

KTY85-110

yellow

KTY85-120

red

KTY85-121

white

KTY85-122

green

KTY85-150

grey

KTY85-151

black

KTY85-152

blue

QUICK REFERENCE DATA

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

R

25

sensor resistance

T

amb

= 25

°

C; I

cont

= 1 mA

KTY85-110

990

1010

KTY85-120

980

1020

KTY85-121

980

1000

KTY85-122

1000

1020

KTY85-150

950

1050

KTY85-151

950

1000

KTY85-152

1000

1050

T

amb

ambient operating temperature

40

+125

°

C

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

I

cont

continuous sensor current

in free air; T

amb

= 25

°

C

10

mA

in free air; T

amb

= 125

°

C

2

mA

T

amb

ambient operating temperature

40

+125

°

C

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1998 Mar 26

3

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

CHARACTERISTICS

T

amb

= 25

°

C, in liquid, unless otherwise specified.

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 a sensor with a temperature of 25

°

C is moved to an environment with an ambient temperature of

100

°

C, the time for the sensor to reach a temperature of 72.4

°

C is the thermal time constant.

2. Inert liquid, e.g. FC43 manufactured by the 3M company.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

R

25

sensor resistance

I

cont

= 1 mA

KTY85-110

990

1010

KTY85-120

980

1020

KTY85-121

980

1000

KTY85-122

1000

1020

KTY85-150

950

1050

KTY85-151

950

1000

KTY85-152

1000

1050

TC

temperature coefficient

0.76

%/K

R

100

/R

25

resistance ratio

T

amb

= 100

°

C and 25

°

C

1.65

1.67

1.69

R

40

/R

25

resistance ratio

T

amb

=

40

°

C and 25

°

C

0.569

0.577

0.585

τ

thermal time constant; note 1

in still air

20

s

in still liquid; note 2

1

s

in flowing liquid; note 2

0.5

s

rated temperature range

40

+125

°

C

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1998 Mar 26

4

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

Table 1

Ambient temperature, corresponding resistance, temperature coefficient and maximum expected temperature

error for KTY85-110 and KTY85-120

I

cont

= 1 mA.

AMBIENT

TEMPERATURE

TEMP.

COEFF.

KTY85-110

KTY85-120

(

°

C)

(

°

F)

(%/K)

RESISTANCE

(

)

TEMP.

ERROR

(K)

RESISTANCE

(

)

TEMP.

ERROR

(K)

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

40

40

0.93

562

577

592

±

2.81

556

577

598

±

3.88

30

22

0.91

617

632

647

±

2.62

611

632

654

±

3.72

20

4

0.88

677

691

706

±

2.42

670

691

713

±

3.56

10

14

0.85

740

754

768

±

2.2

732

754

776

±

3.37

0

32

0.83

807

820

833

±

1.97

798

820

841

±

3.18

10

50

0.80

877

889

902

±

1.72

868

889

910

±

2.97

20

68

0.78

951

962

973

±

1.45

942

962

983

±

2.74

25

77

0.76

990

1000

1010

±

1.31

980

1000

1020

±

2.62

30

86

0.75

1027

1039

1050

±

1.44

1017

1039

1060

±

2.77

40

104

0.73

1105

1118

1132

±

1.7

1093

1118

1143

±

3.07

50

122

0.71

1185

1202

1219

±

1.98

1173

1202

1231

±

3.39

60

140

0.69

1268

1288

1309

±

2.27

1255

1288

1321

±

3.73

70

158

0.67

1355

1379

1402

±

2.58

1341

1379

1416

±

4.08

80

176

0.65

1445

1472

1500

±

2.9

1430

1472

1515

±

4.44

90

194

0.63

1537

1569

1601

±

3.24

1522

1569

1617

±

4.82

100

212

0.61

1633

1670

1707

±

3.59

1617

1670

1723

±

5.22

110

230

0.60

1732

1774

1816

±

3.95

1714

1774

1834

±

5.63

120

248

0.58

1834

1882

1929

±

4.34

1815

1882

1948

±

6.06

125

257

0.57

1886

1937

1987

±

4.53

1867

1937

2006

±

6.28

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1998 Mar 26

5

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

Table 2

Ambient temperature, corresponding resistance, temperature coefficient and maximum expected temperature

error for KTY85-121 and KTY85-122

I

cont

= 1 mA.

AMBIENT

TEMPERATURE

TEMP.

COEFF.

KTY85-121

KTY85-122

(

°

C)

(

°

F)

(%/K)

RESISTANCE

(

)

TEMP.

ERROR

(K)

RESISTANCE

(

)

TEMP.

ERROR

(K)

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

40

40

0.93

556

571

586

±

2.81

567

583

598

±

2.81

30

22

0.91

611

626

641

±

2.62

624

639

654

±

2.62

20

4

0.88

670

685

699

±

2.42

684

698

713

±

2.42

10

14

0.85

732

746

760

±

2.2

747

762

776

±

2.2

0

32

0.83

799

812

825

±

1.97

815

828

842

±

1.97

10

50

0.80

868

880

893

±

1.72

886

898

911

±

1.72

20

68

0.78

942

953

963

±

1.45

961

972

983

±

1.45

25

77

0.76

980

990

1000

±

1.31

1000

1010

1020

±

1.31

30

86

0.75

1017

1028

1039

±

1.44

1038

1049

1060

±

1.44

40

104

0.73

1094

1107

1121

±

1.7

1116

1130

1144

±

1.7

50

122

0.71

1173

1190

1206

±

1.98

1197

1214

1231

±

1.98

60

140

0.69

1256

1276

1295

±

2.27

1281

1301

1322

±

2.27

70

158

0.67

1341

1365

1388

±

2.58

1368

1392

1416

±

2.58

80

176

0.65

1430

1458

1485

±

2.9

1459

1487

1515

±

2.9

90

194

0.63

1522

1554

1585

±

3.24

1553

1585

1617

±

3.24

100

212

0.61

1617

1653

1690

±

3.59

1650

1687

1724

±

3.59

110

230

0.60

1715

1756

1798

±

3.95

1750

1792

1834

±

3.95

120

248

0.58

1816

1863

1910

±

4.34

1853

1900

1948

±

4.34

125

257

0.57

1867

1917

1967

±

4.53

1905

1956

2007

±

4.53

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1998 Mar 26

6

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

Table 3

Ambient temperature, corresponding resistance, temperature coefficient and maximum expected temperature

error for KTY85-150 and KTY85-151

I

cont

= 1 mA.

AMBIENT

TEMPERATURE

TEMP.

COEFF.

KTY85-150

KTY85-151

(

°

C)

(

°

F)

(%/K)

RESISTANCE

(

)

TEMP.

ERROR

(K)

RESISTANCE

(

)

TEMP.

ERROR

(K)

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

40

40

0.93

539

577

615

±

7.1

539

562

586

±

4.42

30

22

0.91

592

632

673

±

7.04

593

617

641

±

4.28

20

4

0.88

649

691

734

±

6.97

650

674

699

±

4.12

10

14

0.85

710

754

798

±

6.9

710

735

760

±

3.96

0

32

0.83

774

820

866

±

6.81

774

799

824

±

3.79

10

50

0.80

842

889

937

±

6.72

842

867

892

±

3.59

20

68

0.78

913

962

1012

±

6.61

914

938

963

±

3.39

25

77

0.76

950

1000

1050

±

6.55

950

975

1000

±

3.27

30

86

0.75

986

1039

1091

±

6.76

987

1013

1039

±

3.43

40

104

0.73

1060

1118

1177

±

7.19

1061

1090

1120

±

3.76

50

122

0.71

1137

1202

1267

±

7.63

1138

1172

1206

±

4.1

60

140

0.69

1217

1288

1360

±

8.1

1218

1256

1295

±

4.45

70

158

0.67

1300

1379

1457

±

8.58

1301

1344

1387

±

4.83

80

176

0.65

1386

1472

1559

±

9.07

1387

1435

1484

±

5.21

90

194

0.63

1475

1569

1664

±

9.59

1476

1530

1584

±

5.62

100

212

0.61

1566

1670

1773

±

10.12

1568

1628

1 688

±

6.04

110

230

0.60

1661

1774

1887

±

10.66

1663

1730

1796

±

6.47

120

248

0.58

1759

1882

2004

±

11.22

1761

1835

1908

±

6.92

125

257

0.57

1809

1937

2064

±

11.51

1811

1888

1966

±

7.15

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1998 Mar 26

7

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

Table 4

Ambient temperature, corresponding resistance, temperature coefficient and maximum expected temperature

error for KTY85-152

I

cont

= 1 mA.

AMBIENT

TEMPERATURE

TEMP. COEFF.

KTY85-152

(

°

C)

(

°

F)

(%/K)

RESISTANCE

(

)

TEMP.

ERROR

(K)

MIN.

TYP.

MAX.

40

40

0.93

567

591

616

±

4.42

30

22

0.91

623

648

673

±

4.28

20

4

0.88

683

709

734

±

4.12

10

14

0.85

747

773

799

±

3.96

0

32

0.83

814

840

867

±

3.79

10

50

0.80

885

912

938

±

3.59

20

68

0.78

960

986

1012

±

3.39

25

77

0.76

1000

1025

1050

±

3.27

30

86

0.75

1037

1065

1092

±

3.43

40

104

0.73

1115

1146

1178

±

3.76

50

122

0.71

1196

1232

1267

±

4.1

60

140

0.69

1280

1321

1361

±

4.45

70

158

0.67

1368

1413

1459

±

4.83

80

176

0.65

1458

1509

1560

±

5.21

90

194

0.63

1552

1609

1666

±

5.62

100

212

0.61

1648

1712

1775

±

6.04

110

230

0.60

1748

1818

1889

±

6.47

120

248

0.58

1851

1929

2006

±

6.92

125

257

0.57

1904

1985

2066

±

7.15

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1998 Mar 26

8

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

Fig.2  Maximum expected temperature error (

T).

handbook, halfpage

50

0

150

8

4

4

8

0

50

100

MGG694

Tamb (

°

C)

T

(K)

KTY85-151

-152

KTY85-120

KTY85-110

-121

-122

Fig.3

Sensor resistance as a function of ambient

temperature; average values.

I

cont

= 1 mA.

handbook, halfpage

50

0

50

150

2

0.4

0.8

1.6

1.2

100

MGG702

Tamb (

°

C)

R

(k

)

Fig.4

Sensor resistance as a function of operating

current.

To keep the temperature error low, an operating current of

I

cont

= 1 mA is recommended for temperatures above 100

°

C.

handbook, halfpage

MGG698

1

10

10

1

Icont (mA)

3

2

1

0

R

(k

)

125 

°

C

40 

°

C

100 

°

C

50 

°

C

25 

°

C

°

C

75 

°

C

25 

°

C

Fig.5

Maximum operating current for safe

operation.

handbook, halfpage

−4

0

0

50

150

12

0

4

8

100

MGG708

Tamb (

°

C)

Icont

(mA)

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1998 Mar 26

9

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

Fig.6

Deviation of sensor resistance as a function

of operating current in still liquid.

T

amb

= 25

°

C.

handbook, halfpage

2

20

10

0

10

0

1

MGG707

Icont (mA)

R

(

)

APPLICATION INFORMATION

SYMBOL

PARAMETER

CONDITIONS

TYP.

UNIT

R

25

drift of sensor resistance at 25

°

C

10000 hours continuous operation;

T

amb

= 125

°

C

1

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1998 Mar 26

10

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

PACKAGE OUTLINE

 REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION

ISSUE DATE

 IEC

 JEDEC

 EIAJ

Note

1. The marking band indicates the cathode.

 SOD80

100H02

97-06-20

Hermetically sealed glass surface mounted package; 2 connectors

SOD80

UNIT

D

mm

1.7

1.5

3.7

3.3

0.3

H

L

DIMENSIONS (mm are the original dimensions)

H

D

L

L

(1)

0

1

2 mm

scale

k

a

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1998 Mar 26

11

Philips Semiconductors

Product specification

Silicon temperature sensors

KTY85-1 series

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.

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© Philips Electronics N.V. 1996

 SCA52

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Tel. +381 11 625 344, Fax.+381 11 635 777

For all other countries apply to: Philips Semiconductors, Marketing & Sales Communications,

Building BE-p, P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands, Fax. +31 40 27 24825

Argentina: see South America

Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113,

Tel. +61 2 9805 4455, Fax. +61 2 9805 4466

Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213,

Tel. +43 1 60 101, Fax. +43 1 60 101 1210

Belarus: Hotel Minsk Business Center, Bld. 3, r. 1211, Volodarski Str. 6,

220050 MINSK, Tel. +375 172 200 733, Fax. +375 172 200 773

Belgium: see The Netherlands

Brazil: see South America

Bulgaria: Philips Bulgaria Ltd., Energoproject, 15th floor,

51 James Bourchier Blvd., 1407 SOFIA,

Tel. +359 2 689 211, Fax. +359 2 689 102

Canada: PHILIPS SEMICONDUCTORS/COMPONENTS,

Tel. +1 800 234 7381

China/Hong Kong: 501 Hong Kong Industrial Technology Centre,

72 Tat Chee Avenue, Kowloon Tong, HONG KONG,

Tel. +852 2319 7888, Fax. +852 2319 7700

Colombia: see South America

Czech Republic: see Austria

Denmark: Prags Boulevard 80, PB 1919, DK-2300 COPENHAGEN S,

Tel. +45 32 88 2636, Fax. +45 31 57 1949

Finland: Sinikalliontie 3, FIN-02630 ESPOO,

Tel. +358 9 615800, Fax. +358 9 61580/xxx

France: 4 Rue du Port-aux-Vins, BP317, 92156 SURESNES Cedex,

Tel. +33 1 40 99 6161, Fax. +33 1 40 99 6427

Germany: Hammerbrookstraße 69, D-20097 HAMBURG,

Tel. +49 40 23 53 60, Fax. +49 40 23 536 300

Greece: No. 15, 25th March Street, GR 17778 TAVROS/ATHENS,

Tel. +30 1 4894 339/239, Fax. +30 1 4814 240

Hungary: see Austria

India: Philips INDIA Ltd, Shivsagar Estate, A Block, Dr. Annie Besant Rd.

Worli, MUMBAI 400 018, Tel. +91 22 4938 541, Fax. +91 22 4938 722

Indonesia: see Singapore

Ireland: Newstead, Clonskeagh, DUBLIN 14,

Tel. +353 1 7640 000, Fax. +353 1 7640 200

Israel: RAPAC Electronics, 7 Kehilat Saloniki St, TEL AVIV 61180,

Tel. +972 3 645 0444, Fax. +972 3 649 1007

Italy: PHILIPS SEMICONDUCTORS, Piazza IV Novembre 3,

20124 MILANO, Tel. +39 2 6752 2531, Fax. +39 2 6752 2557

Japan: Philips Bldg 13-37, Kohnan 2-chome, Minato-ku, TOKYO 108,

Tel. +81 3 3740 5130, Fax. +81 3 3740 5077

Korea: Philips House, 260-199 Itaewon-dong, Yongsan-ku, SEOUL,

Tel. +82 2 709 1412, Fax. +82 2 709 1415

Malaysia: No. 76 Jalan Universiti, 46200 PETALING JAYA, SELANGOR,

Tel. +60 3 750 5214, Fax. +60 3 757 4880

Mexico: 5900 Gateway East, Suite 200, EL PASO, TEXAS 79905,

Tel. +9-5 800 234 7381

Middle East: see Italy

Printed in The Netherlands

115106/00/03/pp12

 Date of release: 1998 Mar 26

Document order number:

 9397 750 03629


Document Outline