Thermistors – Mouser United Kingdom

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InRush Current Limiters

TDK InRush Current Limiters are designed to limit the current at turn-on by high resistance when they are cold. These current limiters provide reduced power as the resistance decreases by a factor of 10 to 50. The InRush current limiters handle higher inrush current than fixed resistors and have the same power consumption. The TDK InRush Current Limiters current limiters are used in applications such as switch-mode power supplies and soft-start motors.

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Types of Thermistors

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Part #

NTC (Negative Temperature Coefficient) Thermistors ICL S364/20 M 21mm

B57364S0200M000
TDK
1: £1.80
2,194In Stock

Mfr. Part No.
B57364S0200M000

Mouser Part No
871-B57364S0200M000

TDK

NTC (Negative Temperature Coefficient) Thermistors ICL S364/20 M 21mm

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Datasheet

2,194In Stock

£1.80

£1.67

£1.46

£1.35

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Min.: 1
Mult.: 1

NTC Thermistors

20 Ohms

PCB Mount

Radial

Disc

Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A

B57127P109M301
TDK
1: £1.71
1,520In Stock

Mfr. Part No.
B57127P109M301

Mouser Part No
871-B57127P109M301

TDK

Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A

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Datasheet

1,520In Stock

£1.71

£1.53

£1.41

£1.38

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Min.: 1
Mult.: 1

Inrush Current Limiters

1 Ohms

PCB Mount

Radial

31 mm

Inrush Current Limiters Inrush Current Limiter 7.0ohm 17A

B57127P709M301
TDK
1: £2.33
696In Stock

Mfr. Part No.
B57127P709M301

Mouser Part No
871-B57127P709M301

TDK

Inrush Current Limiters Inrush Current Limiter 7.0ohm 17A

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Datasheet

696In Stock

£2.33

£1.95

£1.80

£1.48

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Min.: 1
Mult.: 1

Inrush Current Limiters

7 Ohms

PCB Mount

Radial

31 mm

Inrush Current Limiters NTC THERMISTOR S 235/4.7 /M

B57235S0479M000
TDK
1: £0.533
3,297In Stock
Factory Special Order

Mfr. Part No.
B57235S0479M000

Mouser Part No
871-B57235S479M

Factory Special Order

TDK

Inrush Current Limiters NTC THERMISTOR S 235/4.7 /M

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Datasheet

3,297In Stock

£0.533

£0.471

£0.449

£0.43

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Min.: 1
Mult.: 1

Inrush Current Limiters

4.7 Ohms

PCB Mount

Radial

9.5 mm

NTC (Negative Temperature Coefficient) Thermistors ICL S364/16 M 21mm

B57364S0160M000
TDK
1: £2.18
1,295In Stock

Mfr. Part No.
B57364S0160M000

Mouser Part No
871-B57364S0160M000

TDK

NTC (Negative Temperature Coefficient) Thermistors ICL S364/16 M 21mm

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Datasheet

1,295In Stock

£2.18

£1.79

£1.45

£1.34

View

Min.: 1
Mult.: 1

NTC Thermistors

16 Ohms

PCB Mount

Radial

NTC (Negative Temperature Coefficient) Thermistors ICL S464/2.5 M 26mm

B57464S0259M000
TDK
1: £4.93
142In Stock

Mfr. Part No.
B57464S0259M000

Mouser Part No
871-B57464S0259M000

TDK

NTC (Negative Temperature Coefficient) Thermistors ICL S464/2.5 M 26mm

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Datasheet

142In Stock

£4.93

£4.24

£3.87

£3.72

View

Min.: 1
Mult.: 1

NTC Thermistors

2.5 Ohms

PCB Mount

Radial

Inrush Current Limiters Inrush Current Limiter 2.0ohm 23A

B57127P209M301
TDK
1: £2.37
1,110In Stock
1,600Expected 08/10/2026

Mfr. Part No.
B57127P209M301

Mouser Part No
871-B57127P209M301

TDK

Inrush Current Limiters Inrush Current Limiter 2.0ohm 23A

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Datasheet

1,110In Stock

1,600Expected 08/10/2026

£2.37

£1.98

£1.82

£1.52

View

Min.: 1
Mult.: 1

Inrush Current Limiters

2 Ohms

PCB Mount

Radial

31 mm

Inrush Current Limiters 500mOhms 30A 20% L/S 7.5mm

B57127P508M301
TDK
1: £2.23
5,354In Stock

Mfr. Part No.
B57127P508M301

Mouser Part No
871-B57127P508M301

TDK

Inrush Current Limiters 500mOhms 30A 20% L/S 7.5mm

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Datasheet

5,354In Stock

£2.23

£1.85

£1.70

£1.42

View

Min.: 1
Mult.: 1

Inrush Current Limiters

500 mOhms

PCB Mount

Radial

31 mm

Inrush Current Limiters Inrush Current Limiter 5.0ohm 20A

B57127P509M301
TDK
1: £2.33
980In Stock

Mfr. Part No.
B57127P509M301

Mouser Part No
871-B57127P509M301

TDK

Inrush Current Limiters Inrush Current Limiter 5.0ohm 20A

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Datasheet

980In Stock

£2.33

£1.95

£1.80

£1.48

View

Min.: 1
Mult.: 1

Inrush Current Limiters

5 Ohms

PCB Mount

Radial

31 mm

Inrush Current Limiters S 234/10 M51

B57234S0100M051
TDK
1: £1.12
1,419In Stock

Mfr. Part No.
B57234S0100M051

Mouser Part No
871-B57234S0100M051

TDK

Inrush Current Limiters S 234/10 M51

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Datasheet

1,419In Stock

Cut Tape

£1.12

£0.995

£0.952

£0.917

Reel

£0.748

View

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters

10 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/15 M

B57234S0150M000
TDK
1: £1.30
526In Stock

Mfr. Part No.
B57234S0150M000

Mouser Part No
871-B57234S0150M000

TDK

Inrush Current Limiters S 234/15 M

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Datasheet

526In Stock

£1.30

£1.20

£0.995

£0.925

View

Min.: 1
Mult.: 1

Inrush Current Limiters

15 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/2.2 M

B57234S0229M000
TDK
1: £1.30
1,199In Stock

Mfr. Part No.
B57234S0229M000

Mouser Part No
871-B57234S0229M000

TDK

Inrush Current Limiters S 234/2.2 M

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Datasheet

1,199In Stock

£1.30

£1.20

£0.995

£0.925

View

Min.: 1
Mult.: 1

Inrush Current Limiters

2.2 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/2.5 M

B57234S0259M000
TDK
1: £1.30
284In Stock

Mfr. Part No.
B57234S0259M000

Mouser Part No
871-B57234S0259M000

TDK

Inrush Current Limiters S 234/2.5 M

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Datasheet

284In Stock

£1.30

£1.15

£0.96

£0.882

View

Min.: 1
Mult.: 1

Inrush Current Limiters

2.5 Ohms

PCB Mount

Radial

15 mm

NTC (Negative Temperature Coefficient) Thermistors ICL S364/30 M 21mm

B57364S0300M000
TDK
1: £1.91
4In Stock
2,000Expected 02/11/2026

Mfr. Part No.
B57364S0300M000

Mouser Part No
871-B57364S0300M000

TDK

NTC (Negative Temperature Coefficient) Thermistors ICL S364/30 M 21mm

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Datasheet

4In Stock

2,000Expected 02/11/2026

£1.91

£1.76

£1.49

£1.39

View

Min.: 1
Mult.: 1

NTC Thermistors

30 Ohms

PCB Mount

Radial

Inrush Current Limiters 2.5 OHM 6.5 AMP

B57237S0259M053
TDK
1: £0.443
1,448In Stock
Factory Special Order

Mfr. Part No.
B57237S0259M053

Mouser Part No
871-B57237S259M53

Factory Special Order

TDK

Inrush Current Limiters 2.5 OHM 6.5 AMP

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Datasheet

1,448In Stock

Cut Tape

£0.443

£0.409

£0.367

Reel

£0.367

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters

2.5 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters Inrush Current Limiter 10ohm 15A

B57127P100M301
TDK
1: £2.37
6,500On Order

Mfr. Part No.
B57127P100M301

Mouser Part No
871-B57127P100M301

TDK

Inrush Current Limiters Inrush Current Limiter 10ohm 15A

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Datasheet

6,500On Order

£2.37

£1.96

£1.82

£1.51

View

Min.: 1
Mult.: 1

Inrush Current Limiters

10 Ohms

PCB Mount

Radial

31 mm

Inrush Current Limiters S 234/220/M NTC Thermistor

B57234S0221M000
TDK
1: £1.30
1,000Expected 14/09/2026

Mfr. Part No.
B57234S0221M000

Mouser Part No
871-B57234S0221M000

TDK

Inrush Current Limiters S 234/220/M NTC Thermistor

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Datasheet

1,000Expected 14/09/2026

£1.30

£1.20

£0.995

£0.925

View

Min.: 1
Mult.: 1

Inrush Current Limiters

220 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/1 M51

B57234S0109M051
TDK
1,000: £0.728
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0109M051

Mouser Part No
871-B57234S0109M051

TDK

Inrush Current Limiters S 234/1 M51

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Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

£0.728

£0.718

£0.636

Min.: 1,000
Mult.: 1,000

: 1,000

Inrush Current Limiters

1 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/22/M 51 NTC Thermistor

B57234S0220M051
TDK
1,000: £0.732
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0220M051

Mouser Part No
871-B57234S0220M051

TDK

Inrush Current Limiters S 234/22/M 51 NTC Thermistor

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Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

£0.732

£0.684

Min.: 1,000
Mult.: 1,000

: 1,000

Inrush Current Limiters

22 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234 2.2 M51

B57234S0229M051
TDK
1,000: £0.732
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0229M051

Mouser Part No
871-B57234S0229M051

TDK

Inrush Current Limiters S 234 2.2 M51

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

£0.732

£0.718

£0.647

Min.: 1,000
Mult.: 1,000

: 1,000

Inrush Current Limiters

2.2 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/2.5 M51

B57234S0259M051
TDK
1: £1.41
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0259M051

Mouser Part No
871-B57234S0259M051

TDK

Inrush Current Limiters S 234/2.5 M51

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Cut Tape

£1.41

£1.30

£1.07

£0.978

Reel

£0.759

View

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiters

2.5 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/33/M 51 NTC Thermistor

B57234S0330M051
TDK
1,000: £0.732
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0330M051

Mouser Part No
871-B57234S0330M051

TDK

Inrush Current Limiters S 234/33/M 51 NTC Thermistor

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

£0.732

£0.694

£0.628

Min.: 1,000
Mult.: 1,000

: 1,000

Inrush Current Limiters

33 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/40 M

B57234S0400M000
TDK
1,000: £0.727
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0400M000

Mouser Part No
871-B57234S0400M000

TDK

Inrush Current Limiters S 234/40 M

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

£0.727

£0.711

£0.605

Min.: 1,000
Mult.: 1,000

Inrush Current Limiters

40 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/40 M51

B57234S0400M051
TDK
1,000: £0.743
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0400M051

Mouser Part No
871-B57234S0400M051

TDK

Inrush Current Limiters S 234/40 M51

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

£0.743

£0.718

£0.616

Min.: 1,000
Mult.: 1,000

: 1,000

Inrush Current Limiters

40 Ohms

PCB Mount

Radial

15 mm

Inrush Current Limiters S 234/5 M

B57234S0509M000
TDK
1: £1.38
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
B57234S0509M000

Mouser Part No
871-B57234S0509M000

TDK

Inrush Current Limiters S 234/5 M

Learn More

Datasheet

Non-Stocked Lead-Time 8 Weeks

£1.38

£1.27

£1.05

£0.952

View

Min.: 1
Mult.: 1

Inrush Current Limiters

5 Ohms

PCB Mount

Radial

15 mm

InRush Current Limiters

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