PTC Resettable Fuses

Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.

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
YQS5853PTF PTC RESET FUSE 50V 170MA RADIAL Amphenol Advanced Sensors (Thermometrics)	4,401	2.44	RFQ	Datasheet	Radial, Disc	PTF	Bulk	Active	Ceramic	50V	170 mA	400 mA	-	-	-	-	10 Ohms	10°C ~ 55°C	-	-	-	Through Hole	0.449" Dia x 0.169" T (11.40mm x 4.30mm)	0.512" (13.00mm)	-	0.197" (5.00mm)
TS600-400F-2 PTC RESET FUSE 60V 400MA 2SMD Littelfuse Inc.	7,765	2.52	RFQ	Datasheet	2-SMD	PolySwitch®, TS600	Tape & Reel (TR)	Active	Polymeric	60V (600V Int)	400 mA	1 A	60 A	14 s	500 mOhms	2 Ohms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.742" L x 0.305" W (18.85mm x 7.75mm)	-	0.484" (12.30mm)	-
RXEF065S PTC RESET FUSE 72V 650MA RADIAL Littelfuse Inc.	7,624	0.49	RFQ	Datasheet	Radial, Disc	PolySwitch®, RXEF	Bag	Active	Polymeric	72V	650 mA	1.3 A	40 A	5.3 s	310 mOhms	720 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.370" Dia x 0.118" T (9.40mm x 3.00mm)	0.571" (14.50mm)	-	0.199" (5.05mm)
RUSBF120 PTC RESET FUSE 6V 1.2A RADIAL Littelfuse Inc.	4,826	0.57	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUSBF	Bag	Active	Polymeric	6V	1.2 A	2 A	40 A	500 ms	70 mOhms	140 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.272" Dia x 0.122" T (6.90mm x 3.10mm)	0.461" (11.70mm)	-	0.201" (5.10mm)
VLP175UAF PTC RESET FUSE 16V 1.75A STRAP Littelfuse Inc.	7,260	0.76	RFQ	Datasheet	Strap	PolySwitch®, VLP	Bulk	Active	Polymeric	16V	1.75 A	3.9 A	60 A	5 s	23 mOhms	82 mOhms	-	-	-	-	-	User Defined	-	0.028" (0.70mm)	-	-
RUSBF135 PTC RESET FUSE 16V 1.35A RADIAL Littelfuse Inc.	3,822	0.59	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUSBF	Bag	Active	Polymeric	16V	1.35 A	2.7 A	40 A	4.5 s	40 mOhms	112 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.199" (5.05mm)
PFMF.125.2 PTC RESET FUSE 6V 1.25A 1812 SCHURTER Inc.	2,452	0.29	RFQ	Datasheet	1812 (4532 Metric), Concave	PFMF	Tape & Reel (TR)	Active	Polymeric	6V	1.25 A	2.5 A	100 A	400 ms	35 mOhms	140 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.033" (0.85mm)	-
RUSBF160 PTC RESET FUSE 16V 1.6A RADIAL Littelfuse Inc.	2,472	0.60	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUSBF	Bag	Active	Polymeric	16V	1.6 A	3.2 A	40 A	9 s	30 mOhms	110 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.598" (15.20mm)	-	0.199" (5.05mm)
RGEF400K PTC RESET FUSE 16V 4A RADIAL Littelfuse Inc.	3,329	0.64	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	Active	Polymeric	16V	4 A	6.8 A	100 A	1.7 s	21 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.331" L x 0.098" W (8.40mm x 2.50mm)	0.504" (12.80mm)	-	0.199" (5.05mm)
0ZRC0025FF2E PTC RESET FUSE 90V 250MA RADIAL Bel Fuse Inc.	4,966	0.29	RFQ	Datasheet	Radial, Disc	0ZRC	Tape & Reel (TR)	Active	Polymeric	90V	250 mA	500 mA	40 A	2.5 s	1.25 Ohms	3 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.291" L x 0.122" W (7.40mm x 3.10mm)	0.500" (12.70mm)	-	0.201" (5.10mm)
0ZCF0260FF2C PTC RESET FUSE 6V 2.6A 2920 Bel Fuse Inc.	3,182	0.29	RFQ	Datasheet	2920 (7351 Metric), Concave	0ZCF	Tape & Reel (TR)	Active	Polymeric	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)	-
RUEF160S PTC RESET FUSE 30V 1.6A RADIAL Littelfuse Inc.	4,638	0.50	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bulk	Active	Polymeric	30V	1.6 A	3.2 A	100 A	8 s	30 mOhms	110 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.598" (15.20mm)	-	0.199" (5.05mm)
VLR175LF PTC RESET FUSE 12V 1.75A STRAP Littelfuse Inc.	3,920	0.91	RFQ	Datasheet	Strap	PolySwitch®, VLR	Bulk	Active	Polymeric	12V	1.75 A	4.2 A	100 A	5 s	17 mOhms	62 mOhms	-	-40°C ~ 70°C	-	-	-	User Defined	1.201" L x 0.122" W (30.50mm x 3.10mm)	-	0.032" (0.80mm)	-
VTP175F PTC RESET FUSE 16V 1.75A STRAP Littelfuse Inc.	8,057	0.91	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	0.874" L x 0.146" W (22.20mm x 3.70mm)	-	0.032" (0.80mm)	-
PFNF.110.2 PTC RESET FUSE 6V 1.1A 1206 SCHURTER Inc.	2,526	0.38	RFQ	Datasheet	1206 (3216 Metric), Concave	PFNF	Tape & Reel (TR)	Active	Polymeric	6V	1.1 A	2.2 A	100 A	300 ms	60 mOhms	200 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.126" L x 0.063" W (3.20mm x 1.60mm)	-	0.028" (0.70mm)	-
0ZRR0050FF2E PTC RESET FUSE 60V 500MA RADIAL Bel Fuse Inc.	2,818	0.35	RFQ	Datasheet	Radial, Disc	0ZRR	Tape & Reel (TR)	Active	Polymeric	60V	500 mA	1 A	40 A	4 s	500 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)
0ZRR0040FF2E PTC RESET FUSE 60V 400MA RADIAL Bel Fuse Inc.	2,457	0.35	RFQ	Datasheet	Radial, Disc	0ZRR	Tape & Reel (TR)	Active	Polymeric	60V	400 mA	800 mA	40 A	3.8 s	550 mOhms	1.29 Ohms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.299" Dia x 0.122" T (7.60mm x 3.10mm)	0.532" (13.50mm)	-	0.201" (5.10mm)
RGEF700-1 PTC RESET FUSE 16V 7A RADIAL Littelfuse Inc.	1,978	0.82	RFQ	Datasheet	Radial, Disc	PolySwitch®, RGEF	Bag	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)	0.776" (19.70mm)	-	0.199" (5.05mm)
AGRF500 PTC RESET FUSE 16V 5A RADIAL Littelfuse Inc.	2,710	0.82	RFQ	Datasheet	Radial, Disc	PolySwitch®, AGRF	Bag	Active	Polymeric	16V	5 A	9.4 A	100 A	2.5 s	14 mOhms	34 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.409" Dia x 0.122" T (10.40mm x 3.10mm)	0.614" (15.60mm)	-	0.199" (5.05mm)
0ZRC0075FF2E PTC RESET FUSE 90V 750MA RADIAL Bel Fuse Inc.	2,783	0.36	RFQ	Datasheet	Radial, Disc	0ZRC	Tape & Reel (TR)	Active	Polymeric	90V	750 mA	1.5 A	40 A	6.3 s	250 mOhms	600 mOhms	-	-40°C ~ 85°C	Automotive	AEC-Q200	-	Through Hole	0.409" L x 0.122" W (10.40mm x 3.10mm)	0.598" (15.20mm)	-	0.201" (5.10mm)

FAQ

Frequently Asked Questions

What are PTC Resettable Fuses components used for?

PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right PTC Resettable Fuses part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

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