PTC Resettable Fuses

Category Introduction

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.

Product List

5803 Items

PDF	Mfr Part #	Quantity Available	UnitPrice	RFQ	Series	Packaging	Product Status	Type	Voltage - Max	Current - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
	MF-MSMF050/30X-2 PTC RESETTABLE 0.5A 30V SMD 1812 Bourns Inc.	1,052	$0.67		Multifuse®, MF-MSMF	Tape & Reel (TR)	Active	Polymeric	30V	40 A	500 mA	1 A	200 ms	150 mOhms	1.3 Ohms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	1812 (4532 Metric), Concave	0.181" L x 0.128" W (4.60mm x 3.24mm)	-	0.033" (0.85mm)	-
	MF-R050-AP PTC RESET FUSE 60V 500MA RADIAL Bourns Inc.	922	$0.67		Multifuse®, MF-R	Cut Tape (CT)	Active	Polymeric	60V	40 A	500 mA	1 A	4 s	410 mOhms	1.17 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
	RGEF400-2 PTC RESET FUSE 16V 4A RADIAL Littelfuse Inc.	672	$0.67		PolySwitch®, RGEF	Tape & Reel (TR)	Active	Polymeric	16V	100 A	4 A	6.8 A	1.7 s	21 mOhms	60 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.331" L x 0.098" W (8.40mm x 2.50mm)	0.504" (12.80mm)	-	0.199" (5.05mm)
	1206L005/60WR-A PTC RESET FUSE 60V 50MA 1206 Littelfuse Inc.	45	$0.68		POLY-FUSE®, 1206L	Tape & Reel (TR)	Active	Polymeric	60V	10 A	50 mA	150 mA	1.5 s	3.6 Ohms	20 Ohms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	1206 (3216 Metric), Concave	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.049" (1.25mm)	-
	2920L030DR PTC RESET FUSE 60V 300MA 2920 Littelfuse Inc.	719	$0.66		POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	60V	10 A	300 mA	600 mA	3 s	1.2 Ohms	4.8 Ohms	-	-40°C ~ 85°C	-	Surface Mount	2920 (7351 Metric), Concave	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.049" (1.25mm)	-
	NANOSMDCH010F-02 PTC RESET FUSE 30V 100MA 1206 Littelfuse Inc.	1,200	$0.70		PolySwitch®, nanoSMD	Tape & Reel (TR)	Active	Polymeric	30V	10 A	100 mA	350 mA	100 ms	1.1 Ohms	10 Ohms	-	-40°C ~ 125°C	-	Surface Mount	1206 (3216 Metric), Concave	0.126" L x 0.063" W (3.20mm x 1.59mm)	-	0.028" (0.70mm)	-
	MF-RM033/240-2 PTC RESET FUSE 240V 330MA RADIAL Bourns Inc.	101	$0.69		Multifuse®, MF-RM	Tape & Reel (TR)	Active	Polymeric	240V (265V Int)	4.5 A	330 mA	740 mA	21 s	770 mOhms	2.6 Ohms	-	-20°C ~ 85°C	-	Through Hole	Radial, Disc	0.449" L x 0.150" W (11.40mm x 3.80mm)	0.787" (20.00mm)	-	0.114" (2.90mm)
	MF-RX250/72-2 PTC RESET FUSE 72V 2.5A RADIAL Bourns Inc.	854	$0.67		Multifuse®, MF-RX/72	Tape & Reel (TR)	Active	Polymeric	72V	40 A	2.5 A	5 A	15.6 s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.702" L x 0.122" W (17.84mm x 3.10mm)	0.939" (23.84mm)	-	0.402" (10.20mm)
	0ZRB0090FF1C PTC RESET FUSE 30V 900MA RADIAL Bel Fuse Inc.	735	$0.30		0ZRB	Box	Active	Polymeric	30V	40 A	900 mA	1.8 A	5.9 s	70 mOhms	220 mOhms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.201" (5.10mm)
	MF-NSMF035X-2 PTC RESET FUSE 16V 350MA 1206 Bourns Inc.	53	$0.72		Multifuse®, MF-NSMF	Tape & Reel (TR)	Active	Polymeric	16V	20 A	350 mA	750 mA	140 ms	300 mOhms	1.4 Ohms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	1206 (3216 Metric), Concave	0.126" L x 0.063" W (3.20mm x 1.60mm)	-	0.033" (0.85mm)	-
	16R500GPR PTC RESET FUSE 16V 5A RADIAL Littelfuse Inc.	1,009	$0.73		POLY-FUSE®, 16R	Cut Tape (CT)	Active	Polymeric	16V	100 A	5 A	8.5 A	2 s	15 mOhms	34 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.409" L x 0.118" W (10.40mm x 3.00mm)	0.563" (14.30mm)	-	0.201" (5.10mm)
	2016L150/33DR PTC RESET FUSE 33V 1.5A 2016 Littelfuse Inc.	1,168	$0.70		POLY-FUSE®, 2016L	Tape & Reel (TR)	Active	Polymeric	33V	40 A	1.5 A	3 A	1 s	70 mOhms	180 mOhms	-	-40°C ~ 85°C	-	Surface Mount	2016 (5041 Metric), Concave	0.200" L x 0.160" W (5.08mm x 4.07mm)	-	0.063" (1.60mm)	-
	RUEF400K-2 PTC RESET FUSE 30V 4A RADIAL Littelfuse Inc.	28	$0.70		PolySwitch®, RUEF	Tape & Reel (TR)	Active	Polymeric	30V	100 A	4 A	8 A	12.7 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.839" (21.30mm)	-	0.199" (5.05mm)
	0ZRC0050FF1E PTC RESET FUSE 90V 500MA RADIAL Bel Fuse Inc.	2,909	$0.31		0ZRC	Box	Active	Polymeric	90V	40 A	500 mA	1 A	4 s	500 mOhms	1.17 Ohms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.311" L x 0.122" W (7.90mm x 3.10mm)	-	-	0.201" (5.10mm)
	MF-MSMF075/30-2 PTC RESET FUSE 30V 750MA 1812 Bourns Inc.	1,299	$0.72		Multifuse®, MF-MSMF	Tape & Reel (TR)	Active	Polymeric	30V	-	750 mA	1.5 A	200 ms	110 mOhms	450 mOhms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.033" (0.85mm)	-
	2016L260/24MR PTC RESET FUSE 24V 2.6A 2016 Littelfuse Inc.	189	$0.71		POLY-FUSE®, 2016L	Tape & Reel (TR)	Active	Polymeric	24V	40 A	2.6 A	5 A	5 s	25 mOhms	75 mOhms	-	-40°C ~ 85°C	-	Surface Mount	2016 (5041 Metric), Concave	0.200" L x 0.160" W (5.08mm x 4.07mm)	-	0.063" (1.60mm)	-
	PRG21AR420MB1RA PTC RESET FUSE 20V 54MA 0805 Murata Electronics	1,051	$0.83		POSISTOR®, PRG	Tape & Reel (TR)	Active	Ceramic	20V	590 mA	54 mA	100 mA	-	-	-	42 Ohms	-10°C ~ 60°C	-	Surface Mount	0805 (2012 Metric)	0.079" L x 0.049" W (2.00mm x 1.25mm)	-	0.043" (1.10mm)	-
	AHS080-2018-2 PTC RESET FUSE 16V 800MA 2SMD Littelfuse Inc.	949	$0.78		PolySwitch®, AHS	Tape & Reel (TR)	Active	Polymeric	16V	70 A	800 mA	2 A	9 s	130 mOhms	550 mOhms	-	-40°C ~ 125°C	AEC-Q200	Surface Mount	2-SMD	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.060" (1.52mm)	-
	MF-RHT200/32-2 PTC RESET FUSE 32V 2A RADIAL Bourns Inc.	241	$0.78		Multifuse®, MF-RHT	Tape & Reel (TR)	Active	Polymeric	32V	50 A	2 A	3.8 A	3 s	45 mOhms	110 mOhms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.118" Dia x 0.551" T (3.00mm x 14.00mm)	0.551" (14.00mm)	-	0.201" (5.10mm)
	ASMD100F-2 PTC RESET FUSE 30V 900MA 2SMD Littelfuse Inc.	1,098	$0.79		PolySwitch®, ASMD	Tape & Reel (TR)	Active	Polymeric	30V	40 A	900 mA	2.16 A	20 s	98 mOhms	480 mOhms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	2-SMD	0.287" L x 0.201" W (7.30mm x 5.10mm)	-	0.118" (3.00mm)	-