Current Sense Resistors - SMD

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Renewable Energy Solutions

Littelfuse provides a wide range of renewable energy solutions that include high-speed fuses, fast-acting relays, surge protection devices, and temperature sensors. These products from Littelfuse are designed to protect equipment from arc-flashes and fault conditions caused by equipment failure, phase-to-phase or ground faults, insulation breakdown, or temperature extremes. This selection of fuses, relays, surge protection devices, and temperature sensors can be found and used in Battery Energy Storage Systems (BESS), Solar/Photovoltaic (PV) energy solutions, and wind turbines.

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Part #

Current Sense Resistors - SMD Passive Components, Resistors, 10x5.2 (3921) size, 12W, 0.2m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified)

PSR400ITQFC0L20
ROHM Semiconductor
1: S/8.99
3,100In Stock
6,000Expected 9/10/2026

Mfr. Part #
PSR400ITQFC0L20

Mouser Part #
755-PSR400ITQFC0L20

ROHM Semiconductor

Current Sense Resistors - SMD Passive Components, Resistors, 10x5.2 (3921) size, 12W, 0.2m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified)

Learn More

Datasheet

3,100In Stock

6,000Expected 9/10/2026

Cut Tape

S/8.99

S/6.27

S/5.29

S/5.02

Reel

S/4.13

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape, MouseReel

PSR

200 uOhms

12 W

1 %

125 PPM / C

3921

10052

10 mm (0.394 in)

5.2 mm (0.205 in)

1.9 mm (0.075 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

Current Sense Resistors - SMD 3921 0.002ohm 1% Shunt Res AEC-Q200

PSR400ITQFJ2L00
ROHM Semiconductor
1: S/10.47
2,319In Stock

Mfr. Part #
PSR400ITQFJ2L00

Mouser Part #
755-PSR400ITQFJ2L00

ROHM Semiconductor

Current Sense Resistors - SMD 3921 0.002ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

2,319In Stock

Cut Tape

S/10.47

S/6.97

S/5.45

S/4.94

Reel

S/3.17

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape, MouseReel

PSR

2 mOhms

6 W

1 %

75 PPM / C

3921

10052

10 mm (0.394 in)

5.2 mm (0.205 in)

1.1 mm (0.043 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 2512 2mohm 1% Shunt Resistor

PSR100KTQFJ2L00
ROHM Semiconductor
1: S/8.64
14,976In Stock

Mfr. Part #
PSR100KTQFJ2L00

Mouser Part #
755-PSR100KTQFJ2L00

ROHM Semiconductor

Current Sense Resistors - SMD 2512 2mohm 1% Shunt Resistor

Learn More

Datasheet

14,976In Stock

Cut Tape

S/8.64

S/5.76

S/4.48

S/4.05

Reel

S/3.04

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Reel, Cut Tape, MouseReel

PSR

2 mOhms

6 W

1 %

50 PPM / C

2512

6432

6.35 mm (0.25 in)

3.05 mm (0.12 in)

1 mm (0.039 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

Current Sense Resistors - SMD 5931 0.002ohm 1% Shunt Res AEC-Q200

PSR500HTQFJ2L00
ROHM Semiconductor
1: S/11.60
1,765In Stock

Mfr. Part #
PSR500HTQFJ2L00

Mouser Part #
755-PSR500HTQFJ2L00

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.002ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

1,765In Stock

Cut Tape

S/11.60

S/7.79

S/6.07

S/5.53

Reel

S/3.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

PSR

2 mOhms

7 W

1 %

75 PPM / C

5931

15078

15 mm (0.591 in)

7.75 mm (0.305 in)

0.9 mm (0.035 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 5931 0.0003ohm 1% Shunt Res AEC-Q200

PSR500HTQFD0L30
ROHM Semiconductor
1: S/11.37
2,049In Stock

Mfr. Part #
PSR500HTQFD0L30

Mouser Part #
755-PSR500HTQFD0L30

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.0003ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

2,049In Stock

Cut Tape

S/11.37

S/7.63

S/5.96

S/5.41

Reel

S/3.84

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

PSR

300 uOhms

10 W

1 %

150 PPM / C

5931

15078

15 mm (0.591 in)

7.75 mm (0.305 in)

1.4 mm (0.055 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 2512 1mohm 1% Shunt Resistor

PSR100KTQFH1L00
ROHM Semiconductor
1: S/8.25
4,496In Stock
10,000Expected 10/27/2026

Mfr. Part #
PSR100KTQFH1L00

Mouser Part #
755-PSR100KTQFH1L00

ROHM Semiconductor

Current Sense Resistors - SMD 2512 1mohm 1% Shunt Resistor

Learn More

Datasheet

4,496In Stock

10,000Expected 10/27/2026

Cut Tape

S/8.25

S/5.49

S/4.28

S/3.85

Reel

S/2.47

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Reel, Cut Tape, MouseReel

PSR

1 mOhms

8 W

1 %

100 PPM / C

2512

6432

6.35 mm (0.25 in)

3.05 mm (0.12 in)

0.75 mm (0.03 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

Current Sense Resistors - SMD 5931 0.001ohm 1% Shunt Res AEC-Q200

PSR500HTQFH1L00
ROHM Semiconductor
1: S/11.60
3,616In Stock

Mfr. Part #
PSR500HTQFH1L00

Mouser Part #
755-PSR500HTQFH1L00

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.001ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

3,616In Stock

Cut Tape

S/11.60

S/7.79

S/6.07

S/5.53

Reel

S/3.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

PSR

1 mOhms

10 W

1 %

75 PPM / C

5931

15078

15 mm (0.591 in)

7.75 mm (0.305 in)

1.35 mm (0.053 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 3921 0.0003ohm 1% Shunt Res AEC-Q200

PSR400ITQFD0L30
ROHM Semiconductor
1: S/12.85
2,220In Stock

Mfr. Part #
PSR400ITQFD0L30

Mouser Part #
755-PSR400ITQFD0L30

ROHM Semiconductor

Current Sense Resistors - SMD 3921 0.0003ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

2,220In Stock

Cut Tape

S/12.85

S/8.17

S/6.73

S/6.07

Reel

S/3.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape, MouseReel

PSR

300 uOhms

10 W

1 %

175 PPM / C

3921

10052

10 mm (0.394 in)

5.2 mm (0.205 in)

1.85 mm (0.073 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 3921 0.0005ohm 1% Shunt Res AEC-Q200

PSR400ITQFF0L50
ROHM Semiconductor
1: S/10.47
9,000In Stock

Mfr. Part #
PSR400ITQFF0L50

Mouser Part #
755-PSR400ITQFF0L50

ROHM Semiconductor

Current Sense Resistors - SMD 3921 0.0005ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

9,000In Stock

Cut Tape

S/10.47

S/6.97

S/5.45

S/4.94

Reel

S/3.17

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape, MouseReel

PSR

500 uOhms

10 W

1 %

175 PPM / C

3921

10052

10 mm (0.394 in)

5.2 mm (0.205 in)

1.3 mm (0.051 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 5931 0.0005ohm 1% Shunt Res AEC-Q200

PSR500HTQFF0L50
ROHM Semiconductor
1: S/11.60
927In Stock
2,000Expected 9/7/2026

Mfr. Part #
PSR500HTQFF0L50

Mouser Part #
755-PSR500HTQFF0L50

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.0005ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

927In Stock

2,000Expected 9/7/2026

Cut Tape

S/11.60

S/7.79

S/6.07

S/5.53

Reel

S/3.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

PSR

500 uOhms

10 W

1 %

150 PPM / C

5931

15078

15 mm (0.591 in)

7.75 mm (0.305 in)

1.05 mm (0.041 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 2512 0.5mohm 1% Shunt Resistor

PSR100KTQFF0L50
ROHM Semiconductor
1: S/8.72
35In Stock
5,000Expected 8/27/2026

Mfr. Part #
PSR100KTQFF0L50

Mouser Part #
755-PSR100KTQFF0L50

ROHM Semiconductor

Current Sense Resistors - SMD 2512 0.5mohm 1% Shunt Resistor

Learn More

Datasheet

35In Stock

5,000Expected 8/27/2026

Cut Tape

S/8.72

S/5.80

S/4.52

S/4.09

Reel

S/2.85

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Reel, Cut Tape, MouseReel

PSR

500 uOhms

8 W

1 %

100 PPM / C

2512

6432

6.35 mm (0.25 in)

3.05 mm (0.12 in)

1.15 mm (0.045 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

Current Sense Resistors - SMD 2512 3mohm 1% Shunt Resistor

PSR100KTQFL3L00
ROHM Semiconductor
1: S/8.21
1,052In Stock
20,000On Order

Mfr. Part #
PSR100KTQFL3L00

Mouser Part #
755-PSR100KTQFL3L00

ROHM Semiconductor

Current Sense Resistors - SMD 2512 3mohm 1% Shunt Resistor

Learn More

Datasheet

1,052In Stock

20,000On Order

Cut Tape

S/8.21

S/5.49

S/4.24

S/3.83

Reel

S/2.51

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Reel, Cut Tape, MouseReel

PSR

3 mOhms

4 W

1 %

50 PPM / C

2512

6432

6.35 mm (0.25 in)

3.05 mm (0.12 in)

0.75 mm (0.03 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

Current Sense Resistors - SMD 3921 0.001ohm 1% Shunt Res AEC-Q200

PSR400ITQFH1L00
ROHM Semiconductor
1: S/10.47
792In Stock
3,000Expected 9/18/2026

Mfr. Part #
PSR400ITQFH1L00

Mouser Part #
755-PSR400ITQFH1L00

ROHM Semiconductor

Current Sense Resistors - SMD 3921 0.001ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

792In Stock

3,000Expected 9/18/2026

Cut Tape

S/10.47

S/6.97

S/5.45

S/4.94

Reel

S/3.17

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape, MouseReel

PSR

1 mOhms

8 W

1 %

75 PPM / C

3921

10052

10 mm (0.394 in)

5.2 mm (0.205 in)

0.9 mm (0.035 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 3921 0.003ohm 1% Shunt Res AEC-Q200

PSR400ITQFL3L00
ROHM Semiconductor
1: S/11.09
84In Stock
3,000Expected 9/28/2026

Mfr. Part #
PSR400ITQFL3L00

Mouser Part #
755-PSR400ITQFL3L00

ROHM Semiconductor

Current Sense Resistors - SMD 3921 0.003ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

84In Stock

3,000Expected 9/28/2026

Cut Tape

S/11.09

S/7.16

S/5.76

S/5.14

Reel

S/3.36

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Reel, Cut Tape, MouseReel

PSR

3 mOhms

5 W

1 %

75 PPM / C

3921

10052

10 mm (0.394 in)

5.2 mm (0.205 in)

0.9 mm (0.035 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 5931 0.0004ohm 1% Shunt Res AEC-Q200

PSR500HTQFE0L40
ROHM Semiconductor
1: S/11.60
628In Stock
2,000Expected 9/8/2026

Mfr. Part #
PSR500HTQFE0L40

Mouser Part #
755-PSR500HTQFE0L40

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.0004ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

628In Stock

2,000Expected 9/8/2026

Cut Tape

S/11.60

S/7.79

S/6.07

S/5.53

Reel

S/3.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

PSR

400 uOhms

10 W

1 %

150 PPM / C

5931

15078

15 mm (0.591 in)

7.75 mm (0.305 in)

1.15 mm (0.045 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 2512 0.3mohm 1% Shunt Resistor

PSR100KTQFD0L30
ROHM Semiconductor
1: S/9.03
14,986On Order

Mfr. Part #
PSR100KTQFD0L30

Mouser Part #
755-PSR100KTQFD0L30

ROHM Semiconductor

Current Sense Resistors - SMD 2512 0.3mohm 1% Shunt Resistor

Learn More

Datasheet

14,986On Order

Cut Tape

S/9.03

S/5.99

S/4.71

S/4.20

Reel

S/2.79

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Reel, Cut Tape, MouseReel

PSR

300 uOhms

8 W

1 %

150 PPM / C

2512

6432

6.35 mm (0.25 in)

3.05 mm (0.12 in)

1.45 mm (0.057 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

Current Sense Resistors - SMD Passive Components, Resistors, 15x7.75 (5931) size, 15W, 0.1m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified)

PSR500HTQFB0L10
ROHM Semiconductor
1: S/8.99
2,000Expected 10/14/2026

Mfr. Part #
PSR500HTQFB0L10

Mouser Part #
755-PSR500HTQFB0L10

ROHM Semiconductor

Current Sense Resistors - SMD Passive Components, Resistors, 15x7.75 (5931) size, 15W, 0.1m Ohm, High Power Type Metal Plate Shunt Resistor (AEC-Q200 Qualified)

Learn More

Datasheet

2,000Expected 10/14/2026

Cut Tape

S/8.99

S/6.27

S/5.29

S/5.02

Reel

S/4.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

PSR

100 uOhms

15 W

1 %

200 PPM / C

5931

15078

15 mm (0.591 in)

7.75 mm (0.305 in)

1.96 mm (0.077 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

Current Sense Resistors - SMD 5931 0.0002ohm 1% Shunt Res AEC-Q200

PSR500HTQFC0L20
ROHM Semiconductor
1: S/11.37
2,000Expected 10/12/2026

Mfr. Part #
PSR500HTQFC0L20

Mouser Part #
755-PSR500HTQFC0L20

ROHM Semiconductor

Current Sense Resistors - SMD 5931 0.0002ohm 1% Shunt Res AEC-Q200

Learn More

Datasheet

2,000Expected 10/12/2026

Cut Tape

S/11.37

S/7.63

S/5.96

S/5.41

View

Reel

S/3.84

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Reel, Cut Tape, MouseReel

PSR

200 uOhms

15 W

1 %

150 PPM / C

5931

15078

15 mm (0.591 in)

7.75 mm (0.305 in)

1.85 mm (0.073 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

AEC-Q200

Current Sense Resistors - SMD 7.9 5.6 (3222) size, 12W, 0.27mO, High Power Type Metal Plate Shunt Resistor

PSR350KTQFCW0L27
ROHM Semiconductor
Non-Stocked Lead-Time 16 Weeks
NRND

Mfr. Part #
PSR350KTQFCW0L27

Mouser Part #
755-PSR350KTQFCW0L27

NRND

ROHM Semiconductor

Current Sense Resistors - SMD 7.9 5.6 (3222) size, 12W, 0.27mO, High Power Type Metal Plate Shunt Resistor

Datasheet

Non-Stocked Lead-Time 16 Weeks

Quote

Reel

PSR

270 uOhms

12 W

1 %

150 PPM / C

3222

7956

7.9 mm (0.311 in)

5.6 mm (0.22 in)

0.85 mm (0.033 in)

- 65 C

+ 175 C

Metal Element

2 Terminal

SMD/SMT

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