Type

L

±1.5

W

±1.0

D

P

±1.0

ØJ

±0.2

C

±0.4

ØB

±0.2

K

±1.0

F

±0.5

G

±0.5

E

±0.5

M1

±0.1

M2

±0.1

H

±1.0

N

±0.2

S

±0.3

R

±0.3

Weight (nom.)

S

SB

SR

WPRT10

48

10

9.0±1.0

32

4.1 5.5 2.5

3.0

8.7

5.0

12

4.2 4.2

18

23

60

72

11 16.5

18.5

WPRT15

48

12.5 11.5±1.0

32

4.1 6.2 2.5

3.0

8.0

6.0

12

4.2 4.2

21

23

60

72

18

24

27.5

WPRT20

63

12.5 13.5±1.0

44

4.1 6.2 2.5

3.0

10.0

6.0

12

4.2 4.2

21

23

74

86.5 27

34

37.5

WPRT30

75

19

19±1.0

54

4.1 7.6 3.2

4.0

9.5

7.5

18

4.2 4.2

32

39

88

105

66

80

87.5

WPRT40

90

19

19±0.6

70

4.1 7.6 3.2

4.0

9.5

7.5

18

5.2 4.5

32

39

104

122

81

94

105.5

WPRT50

90

19

19±0.6

70

4.1 7.6 3.2

4.0

9.5

7.5

18

5.2 4.5

32

39

104

122

81

94

105.5

Wirewound Power

Radial Terminal Resistor

WPRT Series

10to50watts

Quickconnectorsolderedtagterminals

Optionalmountingbracket

Highoverloadcapability

AEC-Q200qualified

Flameproofcase

RoHScompliant

WPRT10

WPRT15

WPRT20

WPRT30

WPRT40

WPRT50

Powerratingat25°C

watts

10

15

20

30

40

50

Powerratingat70°C

watts

10

12.3

16.4

24.6

32.8

41

5soverloadratingat25°C

watts

50

75

100

150

200

250

Resistancerange

ohms

1R0 - 820R

1R0 – 1K0

2R0 – 1K2

3R0 – 1K5

6R0 – 1K5

6R0 – 1K5

Thermalimpedance

°C/watt

18

14

12

8.5

7

7

Isolationvoltage

volts

1000

TCR

ppm/°C

<20R:±400,≥20R:±350

ResistanceTolerance

%

±5

StandardValues

E24

Ambienttemperaturerange

°C

-55 to +155

ElectricalData

PhysicalData

Note:NoLEVapplies.Maximumvoltage(dcorrms)is√(PxR)

Figure1-solderedtag(S)andthesamewithbracket(SB)

Figure2-solderedtagwithruggedbracket(SR)

AlldimensionsinmmandweightsingMaximumbowonlengthandwidth<1.00mm

Resistors

06.18

General Note

TT Electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.

© TT Electronics plc

www.ttelectronics.com/resistors

BI Technologies IRC Welwyn

AllpartsarePb-freeandcomplywithEUDirective2011/65/EUamendedby(EU)2015/863(RoHS3)

AllpartsarePb-freeandcomplywithEUDirective2011/65/EUamendedby(EU)2015/863(RoHS3)