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.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| Photo | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PFRA.110.3PTC RESET FUSE 30V 1.1A RADIAL |
5,684 | - |
|
Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 100 mOhms | 270 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
|
PFRA.160.3PTC RESET FUSE 30V 1.6A RADIAL |
9,763 | - |
|
Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.6 A | 3.2 A | 40 A | 8 s | 55 mOhms | 150 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.661" (16.80mm) | - | 0.201" (5.10mm) |
|
PFLT.260PTC RESET FUSE 24V 2.6A STRAP |
5,762 | - |
|
Datasheet | Strap | PFLT | Bulk | Obsolete | Polymeric | 24V | 2.6 A | 5.2 A | 100 A | 5 s | 25 mOhms | 76 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.447" W (25.00mm x 11.35mm) | - | 0.039" (1.00mm) | - |
|
PFLT.300PTC RESET FUSE 24V 3A STRAP |
5,523 | - |
|
Datasheet | Strap | PFLT | Bulk | Obsolete | Polymeric | 24V | 3 A | 6.3 A | 100 A | 4 s | 15 mOhms | 55 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 1.185" L x 0.532" W (30.10mm x 13.50mm) | - | 0.043" (1.10mm) | - |
|
PFRA.250.3PTC RESET FUSE 30V 2.5A RADIAL |
8,328 | - |
|
Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
PFRX.110PTC RESET FUSE 60V 1.1A RADIAL |
7,074 | - |
|
Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.512" Dia x 0.122" T (13.00mm x 3.10mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
|
PFRX.135PTC RESET FUSE 60V 1.35A RADIAL |
8,384 | - |
|
Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" Dia x 0.122" T (14.50mm x 3.10mm) | 0.772" (19.60mm) | - | 0.201" (5.10mm) |
|
PFRA.300.3PTC RESET FUSE 30V 3A RADIAL |
2,699 | - |
|
Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
PFRX.135.3PTC RESET FUSE 60V 1.35A RADIAL |
2,345 | - |
|
Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" Dia x 0.122" T (14.50mm x 3.10mm) | 0.772" (19.60mm) | - | 0.201" (5.10mm) |
|
PFRX.160PTC RESET FUSE 60V 1.6A RADIAL |
9,628 | - |
|
Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 1.6 A | 3.2 A | 40 A | 11.4 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.642" Dia x 0.122" T (16.30mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
|
PFRX.110.3PTC RESET FUSE 60V 1.1A RADIAL |
7,107 | - |
|
Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.512" Dia x 0.122" T (13.00mm x 3.10mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
|
PFRX.185PTC RESET FUSE 60V 1.85A RADIAL |
4,651 | - |
|
Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 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) |
|
PFRA.400.3PTC RESET FUSE 30V 4A RADIAL |
7,935 | - |
|
Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
|
PFRX.250PTC RESET FUSE 60V 2.5A RADIAL |
7,723 | - |
|
Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.839" Dia x 0.122" T (21.30mm x 3.10mm) | 1.039" (26.40mm) | - | 0.402" (10.20mm) |
|
PFRX.160.3PTC RESET FUSE 60V 1.6A RADIAL |
4,809 | - |
|
Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 1.6 A | 3.2 A | 40 A | 11.4 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.642" Dia x 0.122" T (16.30mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
|
PFRT.008.250PTC RESET FUSE 60V 80MA RADIAL |
6,878 | - |
|
Datasheet | Radial, Disc | PFRT | Bulk | Obsolete | Polymeric | 60V (250V Int) | 80 mA | - | 3 A | - | 15 Ohms | 33 Ohms | - | -45°C ~ 85°C | - | - | - | Through Hole | 0.209" L x 0.197" W (5.30mm x 5.00mm) | 0.366" (9.30mm) | - | 0.201" (5.10mm) |
|
PFRX.185.3PTC RESET FUSE 60V 1.85A RADIAL |
9,961 | - |
|
Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 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) |
|
PFLR.550PTC RESET FUSE 10V 5.5A STRAP |
3,174 | - |
|
Datasheet | Strap | PFLR | Bulk | Obsolete | Polymeric | 10V | 5.5 A | 10.5 A | 100 A | 5 s | 9 mOhms | 22 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 1.417" L x 0.283" W (36.00mm x 7.20mm) | - | - | - |
|
PFLR.450PTC RESET FUSE 10V 4.5A STRAP |
7,985 | - |
|
Datasheet | Strap | PFLR | Bulk | Obsolete | Polymeric | 10V | 4.5 A | 8.9 A | 100 A | 5 s | 11 mOhms | 28 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.402" W (25.00mm x 10.21mm) | - | 0.039" (1.00mm) | - |
|
PFVS.210PTC RESET FUSE 16V 2.1A STRAP |
4,406 | - |
|
Datasheet | Strap | PFVS | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.878" L x 0.201" W (22.30mm x 5.10mm) | - | 0.032" (0.80mm) | - |
PTC Resettable Fuses FAQ
Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.
What should I check when selecting PTC Resettable Fuses components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
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