Low Resistance Metal Alloy

Power Resistors

LRMAP3920

Resistancerange0.2mΩto2mΩ

Excellentlong-termstability

Standardpowerratingupto5W

Thermalsubstratepowerratingupto10W

Currentsensingforpowerelectronics

AEC-Q200qualified

Dimensions in mm and weight in mg

Type

L

±0.3

L1

+0.2

-0.3

H

+0.3

-0.2

A

max

D

±0.5

B

±0.1

T

nom

Wt.

nom

LRMAP3920A-R0002

10.0

4.0

5.2

0.6

2.0

0.5

1.50

694

LRMAP3920B-R0003

5.0

1.43

608

LRMAP3920B-R0005

0.85

380

LRMAP3920B-R0007

0.62

271

LRMAP3920B-R001

0.43

188

LRMAP3920C-R001

1.36

542

LRMAP3920C-R0015

0.90

361

LRMAP3920C-R002

0.67

277

LRMAP3920

Alloytype

A

B

C

Resistancevalue

mΩ

0.2

0.3

0.5

0.7

1

1

1.5

2

W

5

4

5

4.5

4

W

10

7

W

25

20

25

23

20

Continuouspulseenergy

J

11

13

8

6

4

12

9

6

°C/W

2.5

4

6

9

12

7

11

14

Resistancetolerance

%

1

TCR(20to60°C)

ppm/°C

±200

±150

±70

±60

±50

Thermal EMF

µV/°C

<2

Inductance

nH

<3

Ambienttemperature

°C

-55 to 170

Marking

The component is laser marked with “3920”, alloy type, ohmic value and tolerance.

Solvent Resistance

The component is resistant to all normal industrial cleaning solvents suitable for printed circuits.

Construction

The component is formed from a continuous band of E-beam welded precision resistive strip. Various alloys are used based on the

resistance value.

Electrical Data

Physical Data

Note 1: Mounted on FR4 board. See Thermal Data and Mounting section for details.

Note 2: Mounted on thermal substrate. See Thermal Data and Mounting section for details.

Make Possible

Resistors

12.15

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.

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www.ttelectronicsresistors.com

AllpartsarePb-freeandcomplywithEUDirective2011/65/EU(RoHS2)