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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RS90-055PTC RESET FUSE 72V 550MA RADIAL |
484 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 550 mA | 1.2 A | 40 A | 10 s | 400 mOhms | 1.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
|
RS90-050PTC RESET FUSE 72V 500MA RADIAL |
472 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 500 mA | 1 A | 40 A | 4 s | 500 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) |
|
RS30-090PTC RESET FUSE 30V 900MA RADIAL |
386 | - |
|
Datasheet | Radial, Disc | RS30 | Bulk | Active | Polymeric | 30V | 900 mA | 1.8 A | 100 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) | - | 0.201" (5.10mm) |
|
RGEF500-APPTC RESET FUSE 16V 5A RADIAL |
152 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Cut Tape (CT) | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 15 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.390" L x 0.098" W (9.90mm x 2.50mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
|
PICOASMDCH035F-2PPTC-MINI-PSW |
744 | - |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch®, picoASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 350 mA | 1.1 A | 40 A | 100 ms | 300 mOhms | 1.9 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.047" (1.20mm) | - |
|
RXEF185-APPTC RESET FUSE 72V 1.85A RADIAL |
209 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Cut Tape (CT) | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.689" Dia x 0.118" T (17.50mm x 3.00mm) | 0.882" (22.40mm) | - | 0.199" (5.05mm) |
|
RXEF185K-APPTC RESET FUSE 72V 1.85A RADIAL |
218 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Cut Tape (CT) | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.660" Dia x 0.118" T (16.76mm x 3.00mm) | 0.906" (23.00mm) | - | 0.199" (5.05mm) |
|
FRV100-240FRESETTABLE FUSE - PPTC RADIAL LE |
240 | - |
|
Datasheet | Radial, Disc | FRV | Bulk | Active | - | 240V (265V Int) | 1 A | 2 A | 10 A | 21 s | 220 mOhms | 580 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.736" Dia (18.70mm) | 0.961" (24.40mm) | - | 0.402" (10.20mm) |
|
RS90-065PTC RESET FUSE 72V 650MA RADIAL |
229 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 650 mA | 1.3 A | 40 A | 5.3 s | 310 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.571" (14.50mm) | - | 0.201" (5.10mm) |
|
RS90-075PTC RESET FUSE 72V 750MA RADIAL |
249 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
|
MF-RX018/250-0PTC RESET FUSE 60V 180MA RADIAL |
1,527 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/250 | Bulk | Active | Polymeric | 60V (250V Int) | 180 mA | - | 10 A | - | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.433" L x 0.181" W (11.00mm x 4.60mm) | 0.535" (13.60mm) | - | 0.201" (5.10mm) |
|
RUEF500K-APPTC RESET FUSE 30V 5A RADIAL |
1,578 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | Active | Polymeric | 30V | 5 A | 10 A | 100 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 1.008" (25.60mm) | - | 0.400" (10.15mm) |
|
FRV125-240FRESETTABLE FUSE - PPTC RADIAL LE |
220 | - |
|
Datasheet | Radial, Disc | FRV | Bulk | Active | - | 240V (265V Int) | 1.25 A | 2.5 A | 12.5 A | 23 s | 170 mOhms | 440 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.835" Dia (21.20mm) | 1.079" (27.40mm) | - | 0.402" (10.20mm) |
|
0ZSC0260FF1EPTC RESET FUSE 20V 2.6A STRAP |
710 | - |
|
Datasheet | Strap | 0ZSC | Bulk | Active | Polymeric | 20V | 2.6 A | 5.8 A | 100 A | 5 s | 20 mOhms | 63 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.039" (1.00mm) | - |
|
R2920-100-60-RPTC RESET FUSE 60V 1.1A 2920 |
1,000 | - |
|
Datasheet | 2920 (7351 Metric), Concave | R2920 | Tape & Reel (TR) | Active | Polymeric | 60V | 1.1 A | 2.2 A | 100 A | 500 ms | 90 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.067" (1.70mm) | - |
|
RS120-025PTC RESET FUSE 120V 250MA RADIAL |
913 | - |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 250 mA | 500 mA | 3 A | 7.5 s | 1.25 Ohms | 3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.150" T (7.90mm x 3.80mm) | 0.512" (13.00mm) | - | 0.201" (5.10mm) |
|
RS90-110PTC RESET FUSE 72V 1.1A RADIAL |
499 | - |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 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) |
|
RS120-010PTC RESET FUSE 120V 100MA RADIAL |
1,781 | - |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 100 mA | 200 mA | 2 A | 10 s | 3 Ohms | 7.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.150" T (7.90mm x 3.80mm) | 0.512" (13.00mm) | - | 0.201" (5.10mm) |
|
FRV150-240FRESETTABLE FUSE - PPTC RADIAL LE |
250 | - |
|
Datasheet | Radial, Disc | FRV | Bulk | Active | - | 240V (265V Int) | 1.5 A | 3 A | 15 A | 23 s | 120 mOhms | 320 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.921" Dia (23.40mm) | 1.217" (30.90mm) | - | 0.402" (10.20mm) |
|
LVR040S-2PTC RESET FUSE 240V 400MA RADIAL |
385 | - |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Tape & Reel (TR) | Active | Polymeric | 240V (265V Int) | 400 mA | 900 mA | 5.5 A | 24 s | 600 mOhms | 1.9 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.768" (19.50mm) | - | 0.200" (5.08mm) |
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.
Can Winsun help source specific PTC Resettable Fuses part numbers?
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.
Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for PTC Resettable Fuses components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.