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-SM300-2 PTC RESET FUSE 6V 3A 2SMD Bourns Inc.	329	$0.67		Multifuse®, MF-SM	Tape & Reel (TR)	Active	Polymeric	6V	100 A	3 A	6 A	35 s	15 mOhms	48 mOhms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	2-SMD	0.287" L x 0.214" W (7.31mm x 5.44mm)	-	0.118" (3.00mm)	-
	MF-MSMF150/12-2 PTC RESET FUSE 12V 1.5A 1812 Bourns Inc.	2,331	$0.28		Multifuse®, MF-MSMF	Tape & Reel (TR)	Active	Polymeric	12V	-	1.5 A	3 A	-	30 mOhms	120 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)	-
	RGEF400-AP PTC RESET FUSE 16V 4A RADIAL Littelfuse Inc.	755	$0.67		PolySwitch®, RGEF	Cut Tape (CT)	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)
	PTSLR12106V260 PTC RESET FUSE 6V 2.6A 1210 Eaton - Electronics Division	1,120	$0.72		PTSLR1210	Tape & Reel (TR)	Active	Polymeric	6V	50 A	2.6 A	5 A	4 s	3 mOhms	20 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.028" (0.70mm)	-
	MF-RM012/240-2 PTC RESET FUSE 240V 120MA RADIAL Bourns Inc.	966	$0.69		Multifuse®, MF-RM	Tape & Reel (TR)	Active	Polymeric	240V (265V Int)	1.2 A	120 mA	300 mA	15 s	3 Ohms	12 Ohms	-	-20°C ~ 85°C	-	Through Hole	Radial, Disc	0.327" Dia x 0.150" T (8.30mm x 3.80mm)	0.508" (12.90mm)	-	0.114" (2.90mm)
	SMDH120-2 PTC RESET FUSE 16V 1.2A 2SMD Littelfuse Inc.	1,055	$0.71		PolySwitch®, SMD	Tape & Reel (TR)	Active	Polymeric	16V	50 A	1.2 A	2.3 A	2 s	150 mOhms	-	-	-	-	Surface Mount	2-SMD	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.118" (3.00mm)	-
	PTSLR12106V450 PTC RESET FUSE 6V 4.5A 1210 Eaton - Electronics Division	599	$0.73		PTSLR1210	Tape & Reel (TR)	Active	Polymeric	6V	50 A	4.5 A	9 A	2 s	2 mOhms	14 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.047" (1.20mm)	-
	0ZRC0055FF1E PTC RESET FUSE 90V 550MA RADIAL Bel Fuse Inc.	1,900	$0.31		0ZRC	Box	Active	Polymeric	90V	40 A	550 mA	1.2 A	10 s	400 mOhms	1.5 Ohms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.382" L x 0.122" W (9.70mm x 3.10mm)	0.551" (14.00mm)	-	0.201" (5.10mm)
	60R250XMR PTC RESET FUSE 60V 2.5A RADIAL Littelfuse Inc.	217	$0.68		POLY-FUSE®, 60R	Cut Tape (CT)	Active	Polymeric	60V	40 A	2.5 A	5 A	15.6 s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.785" Dia x 0.122" T (19.93mm x 3.10mm)	1.032" (26.20mm)	-	0.402" (10.20mm)
	PTSLR12066V075 PTC RESET FUSE 6V 750MA 1206 Eaton - Electronics Division	724	$0.77		PTSLR1206	Tape & Reel (TR)	Active	Polymeric	6V	50 A	750 mA	1.5 A	300 ms	17 mOhms	180 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1206 (3216 Metric), Concave	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.028" (0.70mm)	-
	LVR008NS-2 PTC RESET FUSE 240V 80MA RADIAL Littelfuse Inc.	464	$0.75		PolySwitch®, LVR	Tape & Reel (TR)	Active	Polymeric	240V (265V Int)	1.2 A	80 mA	190 mA	10 s	7.4 Ohms	26 Ohms	-	-20°C ~ 85°C	-	Through Hole	Radial, Disc	0.283" Dia x 0.181" T (7.20mm x 4.60mm)	0.402" (10.20mm)	-	0.200" (5.08mm)
	ASMDC030F-2 PTC RESET FUSE 60V 300MA 2SMD Littelfuse Inc.	738	$0.80		PolySwitch®, ASMD	Tape & Reel (TR)	Active	Polymeric	60V	10 A	300 mA	600 mA	3 s	300 mOhms	3.4 Ohms	-	-	PS300, PS400	Surface Mount	2-SMD	0.295" L x 0.201" W (7.50mm x 5.10mm)	-	0.035" (0.90mm)	-
	0ZRR0040FF1E PTC RESET FUSE 60V 400MA RADIAL Bel Fuse Inc.	909	$0.34		0ZRR	Bulk	Active	Polymeric	60V	40 A	400 mA	800 mA	3.8 s	550 mOhms	1.29 Ohms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.299" Dia x 0.122" T (7.60mm x 3.10mm)	0.532" (13.50mm)	-	0.201" (5.10mm)
	0ZRR0030FF1E PTC RESET FUSE 60V 300MA RADIAL Bel Fuse Inc.	1,265	$0.33		0ZRR	Bulk	Active	Polymeric	60V	40 A	300 mA	600 mA	3 s	880 mOhms	2.1 Ohms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.512" (13.00mm)	-	0.201" (5.10mm)
	MF-USML700/6-2 PTC RESET FUSE 6V 7A 1210 Bourns Inc.	475	$0.80		Multifuse®, MF-USML/X	Tape & Reel (TR)	Active	Polymeric	6V	50 A	7 A	14 A	2 s	1 mOhms	8 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.101" W (3.22mm x 2.58mm)	-	0.039" (1.00mm)	-
	PFSM.030.2 PTC RESET FUSE 60V 300MA 2SMD SCHURTER Inc.	831	$0.50		PFSM	Tape & Reel (TR)	Active	Polymeric	60V	40 A	300 mA	600 mA	3 s	900 mOhms	4.8 Ohms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	2-SMD	0.289" L x 0.214" W (7.36mm x 5.44mm)	-	0.125" (3.18mm)	-
	0ZRE0055FF2A PTC RESET FUSE 240V 550MA RADIAL Bel Fuse Inc.	551	$0.78		0ZRE	Tape & Reel (TR)	Active	Polymeric	240V	7 A	550 mA	1.25 A	26 s	450 mOhms	1.45 Ohms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.551" L x 0.161" W (14.00mm x 4.10mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
	MF-SMHT160-2 PTC RESET FUSE 16V 1.6A 2SMD Bourns Inc.	518	$0.79		Multifuse®, MF-SMHT	Tape & Reel (TR)	Active	Polymeric	16V	100 A	1.6 A	3.2 A	10 s	50 mOhms	150 mOhms	-	-40°C ~ 125°C	AEC-Q200	Surface Mount	2-SMD	0.374" L x 0.234" W (9.50mm x 5.94mm)	-	0.118" (3.00mm)	-
	MF-NSML150/6-2 PTC RESET FUSE 6V 1.5A 1206 Bourns Inc.	109	$0.85		Multifuse®, MF-NSML/X	Tape & Reel (TR)	Active	Polymeric	6V	50 A	1.5 A	3 A	5 s	10 mOhms	65 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1206 (3216 Metric), Concave	0.128" L x 0.063" W (3.25mm x 1.60mm)	-	0.028" (0.70mm)	-
	RGEF700-2 PTC RESET FUSE 16V 7A RADIAL Littelfuse Inc.	4	$0.80		PolySwitch®, RGEF	Tape & Reel (TR)	Active	Polymeric	16V	100 A	7 A	11.9 A	3.5 s	7.7 mOhms	20 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.421" L x 0.098" W (10.70mm x 2.50mm)	0.776" (19.70mm)	-	0.199" (5.05mm)