Low Resistance

Metal Alloy Resistor

LRMA Series

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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

09. 11

Low Resistance Metal Alloy Resistor

LRMA Series

•

Resistance range 1 to 100mΩ

•

High temperature operation to 170°C

•

Low thermal EMF version

•

High power version

•

Current sensing for power electronics

•

RoHS compliant & halogen free

Electrical Data

LRMA Version

T (Standard)

P (Power)

Size

2512

2512

W

≤R01: 2, >R01: 1

3

W

≤R01: 10, >R01: 5

15

Resistance range

mΩ

1 to 50

3 to 100

mΩ

1, 1.5, 2, 3, 4, 5, 7, 8, 9, 10,

11, 12, 15, 18, 20, 25, 30, 33, 40, 50

3, 5, 10, 11, 15,

20, 25, 30, 40, 50, 80, 100

Resistance tolerance

%

1, 5

ppm/°C

>R01: ±75

>R001 & ≤R01: ±100,

R001: ±275

Ambient temperature

°C

-55 to 170

Insulation resistance

MΩ

>100

Element alloy

Cu-Ni or Mn-Cu

Coating

Black

LRMA Version

M (Low thermal EMF)

N (Inverse)

Size

1206

2512

0815

W

1

≤R02: 2, >R02: 1

W

5

≤R02: 10, >R02: 5

5

Resistance range

mΩ

5 to 30

5 to 40

1 to 30

mΩ

5, 10, 15, 20, 25, 30

5, 10, 20, 30, 40

1, 6, 8, 10,

15, 20, 25, 30

Resistance tolerance

%

1, 5

ppm/°C

>R01: ±75,

≤R01: ±100

±100

Ambient temperature

-55 to 170°C

Insulation resistance

MΩ

>100

Element alloy

Mn-Cu

Cu-Ni

Coating

Black

Green

Black

Size

L

W

C

t

Wt

1206

18.3

0815

14.1

2512

≤R002

2512

>R002

57 to 63

General Note

08/10

Welwyn Components reserves the right to make changes in product specification without notice or liability

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



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