PTC Resettable Fuses
Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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TRF250-180PTC RESET FUSE 100V 180MA RADIAL |
108 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bulk | Active | Polymeric | 100V (250V Int) | 180 mA | 650 mA | 10 A | 2 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" Dia x 0.150" T (9.00mm x 3.80mm) | 0.472" (12.00mm) | - | 0.197" (5.00mm) |
|
LVR025S-1PTC RESET FUSE 240V 250MA RADIAL |
400 | - |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Bag | Active | Polymeric | 240V (265V Int) | 250 mA | 560 mA | 3.5 A | 18.5 s | 1.3 Ohms | 3.8 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.378" L x 0.150" W (9.60mm x 3.80mm) | 0.685" (17.40mm) | - | 0.200" (5.08mm) |
|
TRF250-145UPTC RESET FUSE 60V 145MA RADIAL |
540 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 4 s | 3.5 Ohms | 14 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) |
|
AHRF450S-1PTC RESET FUSE 16V 4.5A RADIAL |
1,000 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 16V | 4.5 A | 8.7 A | 100 A | 4 s | 17 mOhms | 54 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
|
RKEF375KPTC RESET FUSE 60V 3.75A RADIAL |
806 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Bag | Active | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 22 s | 17 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.992" (25.20mm) | - | 0.199" (5.05mm) |
|
VTP210SFPTC RESET FUSE 16V 2.1A STRAP |
688 | - |
|
Datasheet | Strap | PolySwitch®, VTP | Bulk | Active | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.909" L x 0.209" W (23.10mm x 5.30mm) | - | 0.032" (0.80mm) | - |
|
PICOASMDC010S-2PTC RESET FUSE 15V 100MA 0805 |
504 | - |
|
Datasheet | 0805 (2012 Metric) | PolySwitch®, picoASMDC | Tape & Reel (TR) | Active | Polymeric | 15V | 100 mA | 300 mA | 20 A | 600 ms | 1.5 Ohms | 11 Ohms | - | - | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.040" (1.02mm) | - |
|
AHRF550PTC RESET FUSE 16V 5.5A RADIAL |
219 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 16V | 5.5 A | 10 A | 100 A | 6 s | 13 mOhms | 37 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.744" (18.90mm) | - | 0.199" (5.05mm) |
|
60R075XUPTC RESET FUSE 60V 750MA RADIAL |
459 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 60R | Bulk | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.122" T (10.20mm x 3.10mm) | 0.591" (15.00mm) | - | 0.201" (5.10mm) |
|
LVR033KPTC RESET FUSE 240V 330MA RADIAL |
214 | - |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Bag | Active | Polymeric | 240V (265V Int) | 330 mA | 740 mA | 4.5 A | 21 s | 770 mOhms | 2.6 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.150" W (11.40mm x 3.80mm) | 0.748" (19.00mm) | - | 0.200" (5.08mm) |
PTC Resettable Fuses FAQ
Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.
How can I narrow the PTC Resettable Fuses selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
