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
FSMD125-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,950	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	33V	1.25 A	2.5 A	100 A	2 s	50 mOhms	250 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.035" (0.90mm)	-
FSMD300-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,850	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	6V	3 A	5.2 A	100 A	25 s	10 mOhms	48 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.035" (0.90mm)	-
FSMD150-1206R RESETTABLE FUSE - SMD, 1206 SIZE RFE/Fuzetec	1,950	-	RFQ	Datasheet	1206 (3216 Metric), Concave	FSMD1206	Tape & Reel (TR)	Active	-	8V	1.5 A	3 A	100 A	1 s	40 mOhms	120 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.055" (1.40mm)	-
FSMD150-12R RESETTABLE FUSE - SMD, 1812 SIZE RFE/Fuzetec	1,850	-	RFQ	Datasheet	1812 (4532 Metric), Concave	FSMD1812	Tape & Reel (TR)	Active	-	12V	1.5 A	3 A	100 A	500 ms	40 mOhms	110 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.043" (1.10mm)	-
FSMD200R RESETTABLE FUSE - SMD, 1812 SIZE RFE/Fuzetec	1,400	-	RFQ	Datasheet	1812 (4532 Metric), Concave	FSMD1812	Tape & Reel (TR)	Active	-	8V	2 A	3.5 A	100 A	2 s	20 mOhms	70 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.047" (1.20mm)	-
FSMD150-24R RESETTABLE FUSE - SMD, 1812 SIZE RFE/Fuzetec	1,300	-	RFQ	Datasheet	1812 (4532 Metric), Concave	FSMD1812	Tape & Reel (TR)	Active	-	24V	1.5 A	3 A	100 A	1.5 s	40 mOhms	120 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.061" (1.55mm)	-
MPTR90V185 PTC RESET FUSE 90V 1.85A RADIAL Meritek	45,500	-	RFQ	Datasheet	Radial, Disc	MPTR	Bulk	Active	Polymeric	90V	1.85 A	3.7 A	40 A	12.6 s	80 mOhms	190 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.701" Dia x 0.122" T (17.80mm x 3.10mm)	0.902" (22.90mm)	-	0.201" (5.10mm)
FSMD100-0805R RESETTABLE FUSE - SMD, 0805 SIZE RFE/Fuzetec	2,850	-	RFQ	Datasheet	0805 (2012 Metric), Concave	FSMD0805	Tape & Reel (TR)	Active	-	6V	1 A	1.95 A	100 A	300 ms	60 mOhms	210 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.085" L x 0.053" W (2.15mm x 1.35mm)	-	0.071" (1.80mm)	-
R0603-010-R PTC RESET FUSE 15V 100MA 0603 OptiFuse	4,000	-	RFQ	Datasheet	0603 (1608 Metric), Concave	R0603	Tape & Reel (TR)	Active	Polymeric	15V	100 mA	250 mA	40 A	100 ms	900 mOhms	8 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.063" L x 0.029" W (1.60mm x 0.73mm)	-	0.030" (0.75mm)	-
R1206-005-R PTC RESET FUSE 60V 50MA 1206 OptiFuse	3,000	-	RFQ	Datasheet	1206 (3216 Metric), Concave	R1206	Tape & Reel (TR)	Active	Polymeric	60V	50 mA	150 mA	100 A	1.5 s	3.6 Ohms	50 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.033" (0.85mm)	-
FSMD075-60-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,800	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	60V	750 mA	1.5 A	100 A	300 ms	180 mOhms	1 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-
FSMD260-2920-R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,950	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	6V	2.6 A	5.2 A	100 A	20 s	20 mOhms	75 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.035" (0.90mm)	-
TRF250-120US PTC RESET FUSE 60V 120MA RADIAL Littelfuse Inc.	1,500	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	60V (250V Int)	120 mA	240 mA	3 A	2 s	6 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.236" L x 0.150" W (6.00mm x 3.80mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
PTR030V0090-TR1 PTC RESET FUSE 30V 900MA RADIAL Eaton - Electronics Division	6,413	-	RFQ	Datasheet	Radial, Disc	PTR030V	Tape & Reel (TR)	Active	Polymeric	30V	900 mA	1.8 A	40 A	5.9 s	70 mOhms	220 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" L x 0.118" W (7.40mm x 3.00mm)	0.480" (12.20mm)	-	0.197" (5.00mm)
MF-RX135/72-0-14 FUSE PTC RESETTABLE Bourns Inc.	6,537	-	RFQ	Datasheet	Radial, Disc	MF-RX/72	Bulk	Active	-	72V	1.35 A	2.7 A	40 A	9.6 s	-	-	-	-	-	-	-	Through Hole	0.483" L x 0.122" W (12.26mm x 3.10mm)	0.718" (18.26mm)	-	0.201" (5.10mm)
TRF250-145-RA-B0.5-2 PTC RESET FUSE 60V 145MA RADIAL Littelfuse Inc.	2,824	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Tape & Reel (TR)	Obsolete	Polymeric	60V (250V Int)	145 mA	290 mA	3 A	2.5 s	3 Ohms	12 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.200" (5.08mm)
VTP175LF PTC RESET FUSE 16V 1.75A STRAP Littelfuse Inc.	3,000	-	RFQ	Datasheet	Strap	PolySwitch®, VTP	Bulk	Active	Polymeric	16V	1.75 A	3.6 A	100 A	5 s	29 mOhms	102 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	1.063" L x 0.146" W (27.00mm x 3.70mm)	-	0.032" (0.80mm)	-
FSMD300-24-2920R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	3,950	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	24V	3 A	5.2 A	100 A	20 s	10 mOhms	48 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-
MF-R010-0-99 PTC RESET FUSE 60V 100MA RADIAL Bourns Inc.	3,445	-	RFQ	Datasheet	Radial, Disc	Multifuse®, MF-R	Bulk	Obsolete	Polymeric	60V	100 mA	200 mA	40 A	4 s	2.5 Ohms	7.5 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.291" Dia x 0.122" T (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
FSMD300-15-2920R RESETTABLE FUSE - SMD, 2920 SIZE RFE/Fuzetec	1,750	-	RFQ	Datasheet	2920 (7351 Metric), Concave	FSMD2920	Tape & Reel (TR)	Active	-	15V	3 A	5.2 A	100 A	20 s	10 mOhms	48 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.045" (1.15mm)	-

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