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
MF-RHT450-0 PTC RESET FUSE 16V 4.5A RADIAL Bourns Inc.	7,227	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RHT	Bulk	Active	Polymeric	16V	4.5 A	7.8 A	100 A	3 s	22 mOhms	54 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Through Hole	0.409" L x 0.118" W (10.40mm x 3.00mm)	0.614" (15.60mm)	-	0.114" (2.90mm)
MF-LS180 PTC RESET FUSE 24V 1.8A STRAP Bourns Inc.	6,005	-	RFQ	Datasheet	Strap	Multifuse®, MF-LS	Bulk	Active	Polymeric	24V	1.8 A	3.8 A	100 A	2.9 s	40 mOhms	120 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.984" L x 0.199" W (25.00mm x 5.05mm)	-	0.039" (1.00mm)	-
NANOASMDCH010F-2 PPTC-MINI-PSW Littelfuse Inc.	4,000	-	RFQ	Datasheet	1206 (3216 Metric), Concave	PolySwitch®nanoASMDCH	Tape & Reel (TR)	Active	Polymeric	30V	100 mA	300 mA	20 A	5 s	1 Ohms	7.5 Ohms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.063" W (3.20mm x 1.59mm)	-	0.033" (0.85mm)	-
AGRF400-2 PTC RESET FUSE 16V 4A RADIAL Littelfuse Inc.	2,359	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, AGRF	Tape & Reel (TR)	Active	Polymeric	16V	4 A	7.6 A	100 A	2 s	18.6 mOhms	61 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.555" (14.10mm)	-	0.199" (5.05mm)
0ZRR0300FF2A PTC RESET FUSE 60V 3A RADIAL Bel Fuse Inc.	2,159	-	RFQ	Datasheet	Radial, Disc	0ZRR	Tape & Reel (TR)	Active	Polymeric	60V	3 A	6 A	40 A	19.8 s	40 mOhms	100 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.980" Dia x 0.122" T (24.90mm x 3.10mm)	1.181" (30.00mm)	-	0.402" (10.20mm)
MF-R075-AP PTC RESET FUSE 60V 750MA RADIAL Bourns Inc.	11,877	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Cut Tape (CT)	Active	Polymeric	60V	750 mA	1.5 A	40 A	6.3 s	180 mOhms	600 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.630" (16.00mm)	-	0.201" (5.10mm)
MF-SMDF030-2 PTC RESET FUSE 60V 300MA 2018 Bourns Inc.	5,669	-	RFQ	Datasheet	2018 (5045 Metric), Concave	Multifuse®, MF-SMDF	Tape & Reel (TR)	Active	Polymeric	60V	300 mA	800 mA	20 A	1.5 s	450 mOhms	2.2 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.200" L x 0.180" W (5.08mm x 4.58mm)	-	0.043" (1.09mm)	-
0ZRC0375FF1A PTC RESET FUSE 90V 3.75A RADIAL Bel Fuse Inc.	4,853	-	RFQ	Datasheet	Radial, Disc	0ZRC	Box	Active	Polymeric	90V	3.75 A	7.5 A	40 A	24 s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	1.122" L x 0.122" W (28.50mm x 3.10mm)	1.319" (33.50mm)	-	0.402" (10.20mm)
MF-USMF150-2 PTC RESET FUSE 6V 1.5A 1210 Bourns Inc.	4,362	-	RFQ	Datasheet	1210 (3225 Metric), Concave	Multifuse®, MF-USMF	Tape & Reel (TR)	Active	Polymeric	6V	1.5 A	3 A	40 A	5 s	30 mOhms	110 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.033" (0.85mm)	-
MF-RX050/72-0 PTC RESET FUSE 72V 500MA RADIAL Bourns Inc.	2,298	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Bulk	Active	Polymeric	72V	500 mA	1 A	40 A	4 s	410 mOhms	1.17 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
RHEF400 PTC RESET FUSE 16V 4A RADIAL Littelfuse Inc.	2,195	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RHEF	Bag	Active	Polymeric	16V	4 A	7.5 A	100 A	5 s	24 mOhms	60 mOhms	-	-40°C ~ 125°C	-	-	-	Through Hole	0.394" L x 0.118" W (10.00mm x 3.00mm)	0.591" (15.00mm)	-	0.199" (5.05mm)
MF-R050-0-17 PTC RESETTABLE 0.5A 60V RADIAL L Bourns Inc.	2,090	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Active	Polymeric	60V	500 mA	1 A	40 A	4 s	410 mOhms	1.17 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.311" Dia x 0.122" T (7.90mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
CMF-RL55A-0 PTC RESET FUSE 220V 50MA RADIAL Bourns Inc.	1,798	-	RFQ	Datasheet	Radial, Disc	CMF-RL	Bulk	Active	Ceramic	220V (600V Int)	50 mA	100 mA	3 A	100 ms	-	-	55 Ohms	-40°C ~ 125°C	-	-	-	Through Hole	0.295" L x 0.220" W (7.50mm x 5.60mm)	0.512" (13.00mm)	-	0.197" (5.00mm)
MF-RG700-2 PTC RESET FUSE 16V 7A RADIAL Bourns Inc.	1,633	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RG	Tape & Reel (TR)	Active	Polymeric	16V	7 A	11.9 A	100 A	8 s	8 mOhms	21 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.441" Dia x 0.118" T (11.20mm x 3.00mm)	0.740" (18.80mm)	-	0.201" (5.10mm)
MF-RX040/72-0 PTC RESET FUSE 72V 400MA RADIAL Bourns Inc.	1,601	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-RX/72	Bulk	Active	Polymeric	72V	400 mA	800 mA	40 A	3.9 s	520 mOhms	1.29 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.539" (13.70mm)	-	0.201" (5.10mm)
RGEF700K-2 PTC RESET FUSE 16V 7A RADIAL Littelfuse Inc.	4,783	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Tape & Reel (TR)	Active	Polymeric	16V	7 A	11.9 A	100 A	3.5 s	7.7 mOhms	20 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.421" L x 0.098" W (10.70mm x 2.50mm)	0.874" (22.20mm)	-	0.199" (5.05mm)
SMD2920B500TF PTC RESET FUSE 12V 5A 2920 YAGEO	2,740	-	RFQ	Datasheet	2920 (7351 Metric), Concave	SMD2920	Tape & Reel (TR)	Active	Polymeric	12V	5 A	10 A	40 A	5 s	5 mOhms	31 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.063" (1.60mm)	-
0ZRE0040FF1A PTC RESET FUSE 240V 400MA RADIAL Bel Fuse Inc.	2,560	-	RFQ	Datasheet	Radial, Disc	0ZRE	Box	Active	Polymeric	240V	400 mA	900 mA	7 A	24 s	600 mOhms	1.9 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.453" L x 0.150" W (11.50mm x 3.80mm)	0.768" (19.50mm)	-	0.201" (5.10mm)
MF-NSMF125-2 1206 POLYMER PTC 1.25A/6V Bourns Inc.	1,324	-	RFQ	Datasheet	1206 (3216 Metric), Concave	Multifuse®, MF-NSMF	Tape & Reel (TR)	Active	Polymeric	6V	1.25 A	2.5 A	100 A	200 ms	50 mOhms	140 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Surface Mount	0.126" L x 0.063" W (3.20mm x 1.60mm)	-	0.028" (0.70mm)	-
MF-SM013/250-2 PTC RESET FUSE 60V 130MA 2SMD Bourns Inc.	11,915	-	RFQ	Datasheet	2-SMD	Multifuse®, MF-SM/250	Tape & Reel (TR)	Active	Polymeric	60V (250V Int)	130 mA	-	3 A	-	6.5 Ohms	20 Ohms	-	-45°C ~ 85°C	-	-	-	Surface Mount	0.350" L x 0.283" W (8.90mm x 7.20mm)	-	0.402" (10.20mm)	-

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PTC Resettable Fuses FAQ

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