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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Resistance	Mounting Style	Termination Style	Diameter	Package / Case
NTC Thermistors ICL S364/20 M 21mm B57364S0200M000 TDK 1: S/9.34 2,192In Stock	Mfr. Part # B57364S0200M000 Mouser Part # 871-B57364S0200M000	TDK	NTC Thermistors ICL S364/20 M 21mm Learn More about TDK inrush current limiters	Datasheet	2,192In Stock	S/9.34 S/8.64 S/7.55 S/7.01 View S/6.66 S/5.99 S/5.53 S/4.98 S/4.32	Min.: 1 Mult.: 1	NTC Thermistors	20 Ohms	PCB Mount	Radial		Disc
Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A B57127P109M301 TDK 1: S/7.82 1,495In Stock	Mfr. Part # B57127P109M301 Mouser Part # 871-B57127P109M301	TDK	Inrush Current Limiters Inrush Current Limiter 1.0ohm 30A Learn More about TDK inrush current limiters	Datasheet	1,495In Stock	S/7.82 S/7.16 S/6.54 S/6.38 View S/5.80 S/5.53 S/5.49	Min.: 1 Mult.: 1	Inrush Current Limiters	1 Ohms	PCB Mount	Radial	31 mm
Inrush Current Limiters S 234/220/M NTC Thermistor B57234S0221M000 TDK 1: S/8.10 1,000In Stock	Mfr. Part # B57234S0221M000 Mouser Part # 871-B57234S0221M000	TDK	Inrush Current Limiters S 234/220/M NTC Thermistor Learn More about TDK inrush current limiters	Datasheet	1,000In Stock	S/8.10 S/6.58 S/5.37 S/4.90 View S/4.55 S/4.28 S/3.77 S/3.62 S/3.01	Min.: 1 Mult.: 1	Inrush Current Limiters	220 Ohms	PCB Mount	Radial	15 mm
Inrush Current Limiters NTC THERMISTOR S 235/4.7 /M B57235S0479M000 TDK 1: S/2.84 3,297In Stock Factory Special Order	Mfr. Part # B57235S0479M000 Mouser Part # 871-B57235S479M Factory Special Order	TDK	Inrush Current Limiters NTC THERMISTOR S 235/4.7 /M Learn More about TDK inrush current limiters	Datasheet	3,297In Stock	S/2.84 S/2.49 S/2.37 S/2.27 View S/2.05 S/1.92 S/1.89 S/1.74	Min.: 1 Mult.: 1	Inrush Current Limiters	4.7 Ohms	PCB Mount	Radial	9.5 mm
Inrush Current Limiters Inrush Current Limiter 2.0ohm 23A B57127P209M301 TDK 1: S/12.38 1,110In Stock 1,600Expected 10/26/2026	Mfr. Part # B57127P209M301 Mouser Part # 871-B57127P209M301	TDK	Inrush Current Limiters Inrush Current Limiter 2.0ohm 23A Learn More about TDK inrush current limiters	Datasheet	1,110In Stock 1,600Expected 10/26/2026	S/12.38 S/10.28 S/9.46 S/7.86 View S/7.24 S/6.54 S/6.23 S/5.80	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: S/11.56 5,349In Stock	Mfr. Part # B57127P508M301 Mouser Part # 871-B57127P508M301	TDK	Inrush Current Limiters 500mOhms 30A 20% L/S 7.5mm Learn More about TDK inrush current limiters	Datasheet	5,349In Stock	S/11.56 S/9.58 S/8.84 S/7.36 View S/6.77 S/6.11 S/5.33 S/5.29	Min.: 1 Mult.: 1	Inrush Current Limiters	500 mOhms	PCB Mount	Radial	31 mm
NTC Thermistors ICL S364/16 M 21mm B57364S0160M000 TDK 1: S/11.33 1,141In Stock	Mfr. Part # B57364S0160M000 Mouser Part # 871-B57364S0160M000	TDK	NTC Thermistors ICL S364/16 M 21mm Learn More about TDK inrush current limiters	Datasheet	1,141In Stock	S/11.33 S/9.26 S/7.51 S/6.97 View S/6.62 S/5.80 S/5.61 S/5.18	Min.: 1 Mult.: 1	NTC Thermistors	16 Ohms	PCB Mount	Radial
Inrush Current Limiters Inrush Current Limiter 5.0ohm 20A B57127P509M301 TDK 1: S/12.11 761In Stock 1,600Expected 10/26/2026	Mfr. Part # B57127P509M301 Mouser Part # 871-B57127P509M301	TDK	Inrush Current Limiters Inrush Current Limiter 5.0ohm 20A Learn More about TDK inrush current limiters	Datasheet	761In Stock 1,600Expected 10/26/2026	S/12.11 S/10.08 S/9.30 S/7.71 View S/7.12 S/6.38 S/6.23 S/6.11	Min.: 1 Mult.: 1	Inrush Current Limiters	5 Ohms	PCB Mount	Radial	31 mm
Inrush Current Limiters Inrush Current Limiter 7.0ohm 17A B57127P709M301 TDK 1: S/12.11 576In Stock	Mfr. Part # B57127P709M301 Mouser Part # 871-B57127P709M301	TDK	Inrush Current Limiters Inrush Current Limiter 7.0ohm 17A Learn More about TDK inrush current limiters	Datasheet	576In Stock	S/12.11 S/10.08 S/9.30 S/7.71 View S/7.12 S/6.38 S/5.57 S/5.37	Min.: 1 Mult.: 1	Inrush Current Limiters	7 Ohms	PCB Mount	Radial	31 mm
Inrush Current Limiters S 234/10 M51 B57234S0100M051 TDK 1: S/5.80 1,424In Stock	Mfr. Part # B57234S0100M051 Mouser Part # 871-B57234S0100M051	TDK	Inrush Current Limiters S 234/10 M51 Learn More about TDK inrush current limiters	Datasheet	1,424In Stock	Cut Tape S/5.80 S/5.18 S/4.94 S/4.75 Reel S/3.88 View S/4.71 S/4.32 S/3.60 S/3.19	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: S/6.73 24In Stock 1,000Expected 1/8/2027	Mfr. Part # B57234S0150M000 Mouser Part # 871-B57234S0150M000	TDK	Inrush Current Limiters S 234/15 M Learn More about TDK inrush current limiters	Datasheet	24In Stock 1,000Expected 1/8/2027	S/6.73 S/6.23 S/5.18 S/4.79 View S/4.28 S/3.97 S/3.62 S/3.01	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: S/6.73 1,199In Stock	Mfr. Part # B57234S0229M000 Mouser Part # 871-B57234S0229M000	TDK	Inrush Current Limiters S 234/2.2 M Learn More about TDK inrush current limiters	Datasheet	1,199In Stock	S/6.73 S/6.23 S/5.18 S/4.79 View S/4.28 S/3.97 S/3.63 S/3.62 S/3.01	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: S/6.73 284In Stock	Mfr. Part # B57234S0259M000 Mouser Part # 871-B57234S0259M000	TDK	Inrush Current Limiters S 234/2.5 M Learn More about TDK inrush current limiters	Datasheet	284In Stock	S/6.73 S/5.96 S/4.98 S/4.59 View S/4.36 S/3.97 S/3.59 S/3.54 S/3.01	Min.: 1 Mult.: 1	Inrush Current Limiters	2.5 Ohms	PCB Mount	Radial	15 mm
NTC Thermistors ICL S364/30 M 21mm B57364S0300M000 TDK 1: S/9.93 5In Stock 2,000Expected 11/2/2026	Mfr. Part # B57364S0300M000 Mouser Part # 871-B57364S0300M000	TDK	NTC Thermistors ICL S364/30 M 21mm Learn More about TDK inrush current limiters	Datasheet	5In Stock 2,000Expected 11/2/2026	S/9.93 S/9.15 S/7.75 S/7.20 View S/6.81 S/6.31 S/5.80 S/5.33 S/4.98	Min.: 1 Mult.: 1	NTC Thermistors	30 Ohms	PCB Mount	Radial
NTC Thermistors ICL S464/2.5 M 26mm B57464S0259M000 TDK 1: S/25.57 142In Stock	Mfr. Part # B57464S0259M000 Mouser Part # 871-B57464S0259M000	TDK	NTC Thermistors ICL S464/2.5 M 26mm Learn More about TDK inrush current limiters	Datasheet	142In Stock	S/25.57 S/21.99 S/20.05 S/19.27 View S/17.24 S/16.50 S/13.74 S/12.07	Min.: 1 Mult.: 1	NTC Thermistors	2.5 Ohms	PCB Mount	Radial
Inrush Current Limiters 2.5 OHM 6.5 AMP B57237S0259M053 TDK 1: S/2.30 1,448In Stock Factory Special Order	Mfr. Part # B57237S0259M053 Mouser Part # 871-B57237S259M53 Factory Special Order	TDK	Inrush Current Limiters 2.5 OHM 6.5 AMP Learn More about TDK inrush current limiters	Datasheet	1,448In Stock	Cut Tape S/2.30 S/2.12 S/1.78 Reel S/1.78	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: S/12.30 6,500On Order	Mfr. Part # B57127P100M301 Mouser Part # 871-B57127P100M301	TDK	Inrush Current Limiters Inrush Current Limiter 10ohm 15A Learn More about TDK inrush current limiters	Datasheet	6,500On Order On Order Ship Dates Mfr. #: B57127P100M301 Stock: 0 On Order: 2,000 Expected 10/27/2026 4,500 Expected 11/2/2026 Factory Lead-Time: 20 Weeks	S/12.30 S/10.24 S/9.42 S/7.82 View S/7.24 S/6.50 S/5.68 S/5.37	Min.: 1 Mult.: 1	Inrush Current Limiters	10 Ohms	PCB Mount	Radial	31 mm
Inrush Current Limiters 2.5 Ohms 5.5amps 2700k B57236S0259L002 TDK 1: S/7.28 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # B57236S0259L002 Mouser Part # 871-B57236S259L2	TDK	Inrush Current Limiters 2.5 Ohms 5.5amps 2700k Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 10 Weeks	S/7.28 S/6.11 S/5.06 S/4.63 View S/4.24 S/3.89 S/3.61 S/3.55 S/3.36	Min.: 1 Mult.: 1	Inrush Current Limiters	2.5 Ohms	PCB Mount	Radial	11.5 mm
Inrush Current Limiters S 234/1 M51 B57234S0109M051 TDK 1,000: S/3.77 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # B57234S0109M051 Mouser Part # 871-B57234S0109M051	TDK	Inrush Current Limiters S 234/1 M51 Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel S/3.77 S/3.34	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: S/3.89 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # B57234S0220M051 Mouser Part # 871-B57234S0220M051	TDK	Inrush Current Limiters S 234/22/M 51 NTC Thermistor Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel S/3.89 S/3.87 S/3.62	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: S/3.85 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # B57234S0229M051 Mouser Part # 871-B57234S0229M051	TDK	Inrush Current Limiters S 234 2.2 M51 Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel S/3.85 S/3.82 S/3.52	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: S/7.28 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # B57234S0259M051 Mouser Part # 871-B57234S0259M051	TDK	Inrush Current Limiters S 234/2.5 M51 Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 20 Weeks	Cut Tape S/7.28 S/6.73 S/5.53 S/5.06 Reel S/3.93 View S/4.63 S/4.28 S/3.80 S/3.37	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: S/3.80 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # B57234S0330M051 Mouser Part # 871-B57234S0330M051	TDK	Inrush Current Limiters S 234/33/M 51 NTC Thermistor Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel S/3.80 S/3.60 S/3.25	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: S/3.62 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # B57234S0400M000 Mouser Part # 871-B57234S0400M000	TDK	Inrush Current Limiters S 234/40 M Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 20 Weeks	S/3.62 S/3.01	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: S/3.85 Non-Stocked Lead-Time 20 Weeks	Mfr. Part # B57234S0400M051 Mouser Part # 871-B57234S0400M051	TDK	Inrush Current Limiters S 234/40 M51 Learn More about TDK inrush current limiters	Datasheet	Non-Stocked Lead-Time 20 Weeks	Reel S/3.85 S/3.80 S/3.41	Min.: 1,000 Mult.: 1,000 : 1,000	Inrush Current Limiters	40 Ohms	PCB Mount	Radial	15 mm

InRush Current Limiters

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