PTC Resettable Fuses

Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Series	Packaging	Product Status	Type	Voltage - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Current - Max	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Grade	Qualification	Ratings	Mounting Type	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
TRF600-150-RB-2 PTC RESET FUSE 250V 150MA RADIAL Littelfuse Inc.	6,918	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF600	Tape & Reel (TR)	Obsolete	Polymeric	250V (600V Int)	150 mA	300 mA	40 A	3 s	9 Ohms	22 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.354" L x 0.181" W (9.00mm x 4.60mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
PTGL09ARR33M1B51B0 PTC RESET FUSE 16V 875MA RADIAL Murata Electronics	8,346	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	16V	875 mA	1.625 A	7 A	-	-	-	330 mOhms	-10°C ~ 60°C	-	-	-	Through Hole	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.551" (14.00mm)	-	0.197" (5.00mm)
PFME.190.2 PTC RESET FUSE 16V 1.9A 4520 SCHURTER Inc.	2,977	-	RFQ	Datasheet	4520 (11350 Metric)	PMFE	Tape & Reel (TR)	Obsolete	Polymeric	16V	1.9 A	3.8 A	100 A	2 s	17 mOhms	80 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.446" L x 0.200" W (11.33mm x 5.08mm)	-	0.025" (0.63mm)	-
0ZRM0160FF1A PTC RESET FUSE 120V 1.6A RADIAL Bel Fuse Inc.	3,845	-	RFQ	Datasheet	Radial, Disc	0ZRM	Box	Active	Polymeric	120V	1.6 A	3.2 A	12 A	11.4 s	90 mOhms	220 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.689" Dia x 0.161" T (17.50mm x 4.10mm)	0.886" (22.50mm)	-	0.201" (5.10mm)
PTGL09AS2R2K3B51A0 PTC RESET FUSE 51V 522MA RADIAL Murata Electronics	8,294	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Tape & Box (TB)	Obsolete	Ceramic	51V	522 mA	694 mA	4 A	-	-	-	2.2 Ohms	-30°C ~ 85°C	-	-	-	Through Hole	0.366" Dia x 0.138" T (9.30mm x 3.50mm)	0.563" (14.30mm)	-	0.197" (5.00mm)
MF-LR730 PTC RESET FUSE 10V 7.3A STRAP Bourns Inc.	3,936	-	RFQ	Datasheet	Strap	Multifuse®, MF-LR	Bulk	Active	Polymeric	10V	7.3 A	14.1 A	100 A	5 s	6 mOhms	15 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	1.163" L x 0.569" W (29.55mm x 14.45mm)	-	0.039" (1.00mm)	-
PTGL10ARR27M1B51A0 PTC RESET FUSE 16V 1.025A RADIAL Murata Electronics	8,797	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	16V	1.025 A	1.9 A	8 A	-	-	-	270 mOhms	-10°C ~ 60°C	-	-	-	Through Hole	0.398" Dia x 0.138" T (10.10mm x 3.50mm)	0.591" (15.00mm)	-	0.197" (5.00mm)
PTR030V0400-TR1 PTC RESET FUSE 30V 4A RADIAL Eaton - Electronics Division	6,181	-	RFQ	Datasheet	Radial, Disc	PTR030V	Tape & Reel (TR)	Active	Polymeric	30V	4 A	8 A	40 A	12.7 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.969" (24.60mm)	-	0.197" (5.00mm)
MF-RG900-2-14 PTC RESETTABLE 9A 16V RADIAL LEA Bourns Inc.	2,511	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RG	Tape & Reel (TR)	Active	Polymeric	16V	9 A	15.3 A	100 A	5.5 s	4.7 mOhms	13.5 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
MF-RG900-AP-14 PTC RESETTABLE 9A 16V RADIAL LEA Bourns Inc.	8,015	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RG	Tape & Box (TB)	Active	Polymeric	16V	9 A	15.3 A	100 A	5.5 s	4.7 mOhms	13.5 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.854" (21.70mm)	-	0.201" (5.10mm)
B59970C0120A051 PTC RESET FUSE 80V 150MA RADIAL EPCOS - TDK Electronics	6,543	-	RFQ	Datasheet	Radial, Disc	B59970	Tape & Reel (TR)	Active	Ceramic	80V	150 mA	300 mA	3 A	-	-	-	9.4 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.354" Dia x 0.138" T (9.00mm x 3.50mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
PTGL07AR220M3P51A0 PTC RESET FUSE 56V 115MA RADIAL Murata Electronics	6,670	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	56V	115 mA	205 mA	1 A	-	-	-	22 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.291" Dia x 0.157" T (7.40mm x 4.00mm)	0.528" (13.40mm)	-	0.197" (5.00mm)
PFMF.250.16.2 PTC RESET FUSE 16V 2.5A 1812 SCHURTER Inc.	3,721	-	RFQ	Datasheet	1812 (4532 Metric), Concave	PFMF	Tape & Reel (TR)	Obsolete	Polymeric	16V	2.5 A	5 A	100 A	5 s	15 mOhms	100 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.181" L x 0.128" W (4.60mm x 3.24mm)	-	0.063" (1.60mm)	-
NANOSMD200LR-2 PTC RESET FUSE 6V 2A 1206 Littelfuse Inc.	4,597	-	RFQ	Datasheet	1206 (3216 Metric)	PolySwitch®, LoRho	Tape & Reel (TR)	Obsolete	Polymeric	6V	2 A	6 A	50 A	3 s	6 mOhms	-	-	-	-	-	-	Surface Mount	0.127" L x 0.063" W (3.22mm x 1.60mm)	-	0.039" (1.00mm)	-
600R150-RAZR PTC RESET FUSE 60V 150MA RADIAL Littelfuse Inc.	9,822	-	RFQ	Datasheet	Radial, Disc	POLY-FUSE®, 600R	Cut Tape (CT)	Obsolete	Polymeric	60V (600V Int)	150 mA	300 mA	3 A	4 s	7 Ohms	20 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.354" L x 0.181" W (9.00mm x 4.60mm)	0.492" (12.50mm)	-	0.201" (5.10mm)
PTR030V0500-TR1 PTC RESET FUSE 30V 5A RADIAL Eaton - Electronics Division	9,321	-	RFQ	Datasheet	Radial, Disc	PTR030V	Tape & Reel (TR)	Active	Polymeric	30V	5 A	10 A	40 A	14.5 s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.551" L x 0.118" W (14.00mm x 3.00mm)	1.047" (26.60mm)	-	0.394" (10.00mm)
TRF250-145-B-0.5 PTC RESET FUSE 60V 145MA RADIAL Littelfuse Inc.	7,137	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	60V (250V Int)	145 mA	290 mA	3 A	5 s	3 Ohms	14 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.197" (5.00mm)
PTGL07BD6R8N2B51A0 PTC RESET FUSE 24V 139MA RADIAL Murata Electronics	5,725	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	24V	139 mA	296 mA	2 A	-	-	-	6.8 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.291" Dia x 0.157" T (7.40mm x 4.00mm)	0.528" (13.40mm)	-	0.197" (5.00mm)
PTGL05AR151H8P52B0 PTC RESET FUSE 265V 35MA RADIAL Murata Electronics	5,212	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	265V	35 mA	65 mA	200 mA	-	-	-	150 Ohms	-10°C ~ 60°C	-	-	-	Through Hole	0.236" Dia x 0.236" T (6.00mm x 6.00mm)	0.472" (12.00mm)	-	0.197" (5.00mm)
PTGL12AR0R2M1B51A0 PTC RESET FUSE 16V 1.3A RADIAL Murata Electronics	6,886	-	RFQ	Datasheet	Radial, Disc	POSISTOR®, PTGL	Bulk	Obsolete	Ceramic	16V	1.3 A	2.41 A	9 A	-	-	-	200 mOhms	-10°C ~ 60°C	-	-	-	Through Hole	0.445" Dia x 0.138" T (11.30mm x 3.50mm)	0.630" (16.00mm)	-	0.197" (5.00mm)

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PTC Resettable Fuses FAQ

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