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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PTR030V0700-TRPTC RESET FUSE 30V 7A RADIAL |
7,243 | - |
|
Datasheet | Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 7 A | 14 A | 100 A | 17.5 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.752" L x 0.118" W (19.10mm x 3.00mm) | 1.051" (26.70mm) | - | 0.394" (10.00mm) |
|
RUSBF075-APPTC RESET FUSE 6V 750MA RADIAL |
2,000 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Cut Tape (CT) | Active | Polymeric | 6V | 750 mA | 1.3 A | 40 A | 400 ms | 110 mOhms | 230 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.122" T (6.90mm x 3.10mm) | 0.449" (11.40mm) | - | 0.201" (5.10mm) |
|
1206L025/24YRPTC RESET FUSE 24V 250MA 1206 |
3,255 | - |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 24V | 250 mA | 550 mA | 100 A | 80 ms | 550 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.039" (1.00mm) | - |
|
RXEF090S-2PTC RESET FUSE 72V 900MA RADIAL |
3,000 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.622" (15.80mm) | - | 0.199" (5.05mm) |
|
|
RUSBF155-APPTC RESET FUSE 6V 1.55A RADIAL |
1,755 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Cut Tape (CT) | Active | Polymeric | 6V | 1.55 A | 2.65 A | 40 A | 2.2 s | 40 mOhms | 100 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) |
|
RUSBF135-APPTC RESET FUSE 16V 1.35A RADIAL |
1,531 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Cut Tape (CT) | 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) |
|
16R160BPRPTC RESET FUSE 16V 1.6A RADIAL |
2,000 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, USBR | Tape & Reel (TR) | Obsolete | 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) | - | 0.201" (5.10mm) |
|
R0603LR-035-RPTC RESET FUSE 6V 350MA 0603 |
12,000 | - |
|
Datasheet | 0603 (1608 Metric), Concave | R0603LR | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 100 A | 100 ms | 200 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.029" W (1.60mm x 0.73mm) | - | 0.030" (0.75mm) | - |
|
R2920-100-RPTC RESET FUSE 33V 1.1A 2920 |
4,000 | - |
|
Datasheet | 2920 (7351 Metric), Concave | R2920 | Tape & Reel (TR) | Active | Polymeric | 33V | 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) | - | 0.039" (1.00mm) | - |
|
|
R2920-050-RPTC RESET FUSE 60V 500MA 2920 |
2,000 | - |
|
Datasheet | 2920 (7351 Metric), Concave | R2920 | Tape & Reel (TR) | Active | Polymeric | 60V | 500 mA | 1 A | 100 A | 4 s | 300 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
|
MF-NSML260-2PTC RESET FUSE 6V 2.6A 1206 |
9,767 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2.6 A | 5.2 A | 50 A | 4 s | 3 mOhms | 26 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
|
MF-USML270-2PTC RESET FUSE 6V 2.7A 1210 |
9,109 | - |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2.7 A | 5.4 A | 50 A | 4 s | 4 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
|
|
RUSBF155-2PTC RESET FUSE 6V 1.55A RADIAL |
2,813 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 6V | 1.55 A | 2.65 A | 40 A | 2.2 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" L x 0.122" W (6.90mm x 3.10mm) | 0.461" (11.70mm) | - | 0.200" (5.08mm) |
|
RGEF400K-2PTC RESET FUSE 16V 4A RADIAL |
1,077 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | 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) |
|
MF-PSML110-2PTC RESET FUSE 6V 0805 |
6,243 | - |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | - | - | - | - | 17.5 mOhms | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.024" (0.60mm) | - |
|
RS60RB-025PTC RESET FUSE 60V 250MA RADIAL |
4,884 | - |
|
Datasheet | Radial, Disc | RS60RB | Bulk | Active | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1.25 Ohms | 3 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) |
|
RS60RB-010PTC RESET FUSE 60V 100MA RADIAL |
4,000 | - |
|
Datasheet | Radial, Disc | RS60RB | Bulk | Active | 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) |
|
RGEF500K-APPTC RESET FUSE 16V 5A RADIAL |
3,925 | - |
|
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) |
|
TRF250-183S-2PTC RESET FUSE 100V 183MA RADIAL |
2,842 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 100V (250V Int) | 183 mA | 685 mA | 10 A | 1.8 s | 800 mOhms | 3.4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.295" Dia x 0.150" T (7.50mm x 3.80mm) | 0.374" (9.50mm) | - | 0.197" (5.00mm) |
|
|
MF-PSML350-2PTC RESET FUSE 6V 3.5A 0805 |
9,889 | - |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 7 A | 50 A | 5 s | 3 mOhms | 25 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 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.
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.
