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4 mm Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
PTC (Positive Temperature Coefficient) Thermistors PTC 5Kohms 1% Linear Vishay / Dale TFPTL15L5001FH5B TFPTL15L5001FH5B Vishay / Dale 1: $0.97 291In Stock	Mfr. Part No. TFPTL15L5001FH5B Mouser Part No 71-TFPTL15L5001FH5B	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 5Kohms 1% Linear Learn More about Vishay / Dale vishay_TFPTL_Thermistors	Datasheet	291In Stock	$0.97 $0.922 $0.864 $0.825 View $0.789 $0.715 $0.688 $0.634	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors PTC 5Kohms 1% Linear Vishay / Dale TFPTL15L5001FL2B TFPTL15L5001FL2B Vishay / Dale 1: $1.05 1,190In Stock 500Expected 10/12/2026	Mfr. Part No. TFPTL15L5001FL2B Mouser Part No 71-TFPTL15L5001FL2B	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 5Kohms 1% Linear Learn More about Vishay / Dale vishay_TFPTL_Thermistors	Datasheet	1,190In Stock 500Expected 10/12/2026	$1.05 $0.996 $0.933 $0.884 View $0.853 $0.759 $0.686	Min.: 1 Mult.: 1
Inrush Current Limiters 8mm 50ohms 1A INRSH CURR LIMITER UL Approved Vishay / Ametherm SL0850001 SL0850001 Vishay / Ametherm 1: $1.30 4,589In Stock	Mfr. Part No. SL0850001 Mouser Part No 995-SL08-50001	Vishay / Ametherm	Inrush Current Limiters 8mm 50ohms 1A INRSH CURR LIMITER UL Approved	Datasheet	4,589In Stock	$1.30 $1.20 $0.989 $0.913 View $0.821 $0.756 $0.749 $0.727 $0.575	Min.: 1 Mult.: 1
Inrush Current Limiters 8mm 5ohms 2A INRSH CURR LIMITER UL Approved SL085R002 Vishay / Ametherm 1: $1.51 2,665In Stock 2,000Expected 18/01/2027	Mfr. Part No. SL085R002 Mouser Part No 995-SL08-5R002	Vishay / Ametherm	Inrush Current Limiters 8mm 5ohms 2A INRSH CURR LIMITER UL Approved	Datasheet	2,665In Stock 2,000Expected 18/01/2027	$1.51 $1.38 $1.14 $1.04 View $0.943 $0.875 $0.798 $0.664	Min.: 1 Mult.: 1
Board Mount Surge Protectors 140V High Efficiency Sw. Surge Stopper LTC7862IUFD#PBF Analog Devices 1: $16.10 67In Stock	Mfr. Part No. LTC7862IUFD#PBF Mouser Part No 584-7862IUFDPB	Analog Devices	Board Mount Surge Protectors 140V High Efficiency Sw. Surge Stopper	Datasheet	67In Stock	$16.10 $12.71 $12.19 $10.73 $10.20	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B NRL1104F3380B1F Eaton Electronics 1: $0.55 504In Stock	Mfr. Part No. NRL1104F3380B1F Mouser Part No 504-NRL1104F3380B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	504In Stock	$0.55 $0.514 $0.48 $0.457 View $0.398 $0.381 $0.372 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B NRL1104F3435B2F Eaton Electronics 1: $0.51 1,571In Stock	Mfr. Part No. NRL1104F3435B2F Mouser Part No 504-NRL1104F3435B2F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,571In Stock	$0.51 $0.476 $0.445 $0.423 View $0.368 $0.352 $0.344	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B NRL1104F3950B1F Eaton Electronics 1: $0.51 844In Stock	Mfr. Part No. NRL1104F3950B1F Mouser Part No 504-NRL1104F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	844In Stock	$0.51 $0.476 $0.444 $0.422 View $0.367 $0.351 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B NRL1104J3380B1F Eaton Electronics 1: $0.44 1,552In Stock	Mfr. Part No. NRL1104J3380B1F Mouser Part No 504-NRL1104J3380B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,552In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B NRL1104J3435B2F Eaton Electronics 1: $0.44 1,237In Stock	Mfr. Part No. NRL1104J3435B2F Mouser Part No 504-NRL1104J3435B2F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,237In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B NRL1104J3950B1F Eaton Electronics 1: $0.46 18In Stock	Mfr. Part No. NRL1104J3950B1F Mouser Part No 504-NRL1104J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	18In Stock	$0.46 $0.435 $0.405 $0.385 View $0.334 $0.319 $0.311 $0.287	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL1105F3950B1F Eaton Electronics 1: $0.72 41In Stock	Mfr. Part No. NRL1105F3950B1F Mouser Part No 504-NRL1105F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	41In Stock	$0.72 $0.683 $0.631 $0.506 View $0.442 $0.413 $0.381	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL1105J3950B1F Eaton Electronics 1: $0.44 1,343In Stock	Mfr. Part No. NRL1105J3950B1F Mouser Part No 504-NRL1105J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,343In Stock	$0.44 $0.434 $0.378 $0.361 View $0.351 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B NRL1504F3950B1F Eaton Electronics 1: $0.51 1,998In Stock	Mfr. Part No. NRL1504F3950B1F Mouser Part No 504-NRL1504F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,998In Stock	$0.51 $0.476 $0.444 $0.422 View $0.367 $0.351 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B NRL1504J3950B1F Eaton Electronics 1: $0.44 2,000In Stock	Mfr. Part No. NRL1504J3950B1F Mouser Part No 504-NRL1504J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	2,000In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B NRL2104F3380B1F Eaton Electronics 1: $0.51 1,487In Stock	Mfr. Part No. NRL2104F3380B1F Mouser Part No 504-NRL2104F3380B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,487In Stock	$0.51 $0.476 $0.444 $0.422 View $0.367 $0.351 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B NRL2104F3435B2F Eaton Electronics 1: $0.55 816In Stock	Mfr. Part No. NRL2104F3435B2F Mouser Part No 504-NRL2104F3435B2F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	816In Stock	$0.55 $0.542 $0.518 $0.477 View $0.45 $0.372 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B NRL2104F3950B1F Eaton Electronics 1: $0.54 1,907In Stock	Mfr. Part No. NRL2104F3950B1F Mouser Part No 504-NRL2104F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,907In Stock	$0.54 $0.504 $0.47 $0.447 View $0.389 $0.372 $0.363 $0.335	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B NRL2104J3380B1F Eaton Electronics 1: $0.44 1,501In Stock	Mfr. Part No. NRL2104J3380B1F Mouser Part No 504-NRL2104J3380B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,501In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B NRL2104J3435B2F Eaton Electronics 1: $0.44 1,552In Stock	Mfr. Part No. NRL2104J3435B2F Mouser Part No 504-NRL2104J3435B2F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,552In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B NRL2104J3950B1F Eaton Electronics 1: $0.36 1,603In Stock	Mfr. Part No. NRL2104J3950B1F Mouser Part No 504-NRL2104J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,603In Stock	$0.36 $0.338 $0.315 $0.299 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL2105F3950B1F Eaton Electronics 1: $0.51 1,858In Stock	Mfr. Part No. NRL2105F3950B1F Mouser Part No 504-NRL2105F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,858In Stock	$0.51 $0.476 $0.444 $0.422 View $0.367 $0.351 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL2105J3950B1F Eaton Electronics 1: $0.44 1,843In Stock	Mfr. Part No. NRL2105J3950B1F Mouser Part No 504-NRL2105J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,843In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B NRL2504F3950B1F Eaton Electronics 1: $0.51 1,990In Stock	Mfr. Part No. NRL2504F3950B1F Mouser Part No 504-NRL2504F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,990In Stock	$0.51 $0.476 $0.444 $0.422 View $0.367 $0.351 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B NRL2504J3950B1F Eaton Electronics 1: $0.36 1,985In Stock	Mfr. Part No. NRL2504J3950B1F Mouser Part No 504-NRL2504J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,985In Stock	$0.36 $0.338 $0.315 $0.299 $0.27	Min.: 1 Mult.: 1

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