LR

custom milliohm resistor

applications and ratings

* Other resistances are also available on request.

Derating Curve

environmental applications

100

80

60

40

20

-40

-20

0

2060

80100120160

70

40

Ambient Temperature

(°C)

0

140

180

Performance Characteristics

Parameter

Requirement ∆ R ±%

Limit

Typical

Test Method

Resistance

25°C

Within specified

tolerance

––

T.C.R.

Room temp. +100°C UP

Within specified

T.C.R.

––

Resistance to

Soldering Heat

350°C ± 10°C, 3 seconds

±2.0%

±1.6%

Moisture Resistance

Power rating x 1/10, 40°C, 90% - 95% RH, 1000 hours,

1.5 hr ON, 0.5 hr OFF cycle

±3.0%

±2.7%

Endurance at 70°C

Rated voltage, 70°C, 1000 hours

1.5 hr ON, 0.5 hr OFF cycle

±5.0%

±3.0%

T.C.R.

(ppm/°C)

Max.

Resistance

Range

Part

Designation

Rated

Ambient

Temperature

Operating

Temperature

Range

Symbol

ød Diameter

(mm)

Maximum

Current

Rating (A)

LR12D

LR13D

LR16D

7.0

10mΩ - 20mΩ

+70°C

±100

-40°C

to

+180°C

7.5

9.0

9.5

10mΩ - 20mΩ

10mΩ - 20mΩ

10mΩ - 15mΩ

LR09D

LR10D

LR11D

4.5

20mΩ - 50mΩ

5.0

6.0

8.0

20mΩ - 40mΩ

15mΩ - 20mΩ

10mΩ - 20mΩ

LR14D

LR15D

LR18D

LR26D

5.5

15mΩ - 30mΩ

LR20D

11

12

5mΩ - 10mΩ

5mΩ - 10mΩ

LR23D

14

18

3mΩ - 10mΩ

3mΩ - 5mΩ

LR06D

LR07D

LR08D

3.0

50mΩ - 100mΩ

4.0

30mΩ - 70mΩ

Resistance

Tolerance

H: ±3%

J: ±5%

LR29D

21

12

13

15

16

08

09

11

14

10

18

20

23

26

06

07

29

1.2

1.3

1.5

1.6

0.8

0.9

1.1

1.4

1.0

1.8

2.0

2.3

2.6

0.6

0.7

2.9

3mΩ - 5mΩ

153

KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com

Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.

1/05/13

For resistors operated at an ambient temperature

of 70°C or above, a power rating shall be derated

in accordance with the above derating curve.

* Other diameters and resistances are also available on request