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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RF5053-000PICOASMDC050S-2 |
9,985 | - |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 800 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.037" (0.93mm) | - |
|
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RF5051-000PICOASMDC020S-2 |
9,957 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 9V | 200 mA | 470 mA | 100 A | 100 ms | 750 mOhms | 3.2 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
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RF5052-000PICOASMDC035S-2 |
9,834 | - |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 100 A | 200 ms | 350 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
|
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LR4-250UFPTC RESET FUSE 15V 2.5A STRAP |
9,296 | - |
|
Datasheet | Strap | PolySwitch®, LR4 | Bulk | Obsolete | Polymeric | 15V | 2.5 A | - | 100 A | - | - | - | - | - | - | - | - | User Defined | - | - | - | - |
|
RXEF375-0.476PTC RESET FUSE 72V 3.75A RADIAL |
6,980 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bulk | Obsolete | Polymeric | 72V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.071" Dia x 0.118" T (27.20mm x 3.00mm) | 1.252" (31.80mm) | - | 0.400" (10.15mm) |
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CMF-RL35-10-0PTC RESET FUSE 220V 75MA RADIAL |
5,015 | - |
|
Datasheet | Radial, Disc | CMF-RL | Bulk | Active | Ceramic | 220V (600V Int) | 75 mA | 150 mA | 3 A | 150 ms | - | - | 35 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.386" L x 0.197" W (9.80mm x 5.00mm) | 0.532" (13.50mm) | - | 0.200" (5.08mm) |
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CMF-RL35A-10-0PTC RESET FUSE 220V 75MA RADIAL |
2,132 | - |
|
Datasheet | Radial, Disc | CMF-RL | Bulk | Active | Ceramic | 220V (600V Int) | 75 mA | 150 mA | 3 A | 150 ms | - | - | 35 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.295" L x 0.220" W (7.50mm x 5.60mm) | 0.512" (13.00mm) | - | 0.197" (5.00mm) |
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CMF-RL55-10-0PTC RESET FUSE 220V 65MA RADIAL |
9,616 | - |
|
Datasheet | Radial, Disc | CMF-RL | Bulk | Active | Ceramic | 220V (600V Int) | 65 mA | 150 mA | 3 A | 150 ms | - | - | 55 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.386" L x 0.197" W (9.80mm x 5.00mm) | 0.532" (13.50mm) | - | 0.200" (5.08mm) |
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MF-LS300PTC RESET FUSE 24V 3A STRAP |
7,683 | - |
|
Datasheet | Strap | Multifuse®, MF-LS | Bulk | Active | Polymeric | 24V | 3 A | 6.3 A | 100 A | 4 s | 15 mOhms | 55 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.185" L x 0.522" W (30.10mm x 13.25mm) | - | 0.043" (1.10mm) | - |
|
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MF-SVS210-0PTC RESET FUSE 10V 2.1A STRAP |
7,570 | - |
|
Datasheet | Strap | Multifuse®, MF-SVS | Bulk | Active | Polymeric | 10V | 2.1 A | 5 A | 100 A | 5 s | 10 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.035" (0.90mm) | - |
|
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MF-SVS175NL-0PTC 1.75A 10V AXIAL STRAP 85'C S |
4,800 | - |
|
Datasheet | Strap | Multifuse®, MF-SVS | Bulk | Active | Polymeric | 10V | 1.75 A | 4.2 A | 100 A | 5 s | 17 mOhms | 63 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | User Defined | 1.063" L x 0.148" W (27.00mm x 3.75mm) | - | 0.035" (0.90mm) | - |
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0ZRP0300FF2APTC RESET FUSE 60V 3A RADIAL |
7,289 | - |
|
Datasheet | Radial, Disc | 0ZRP | Tape & Reel (TR) | Active | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.835" (21.20mm) | - | 0.201" (5.10mm) |
|
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2322 661 91066PTC RESET FUSE 100V 85MA RADIAL |
4,048 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 100V | 85 mA | 280 mA | - | 4 s | - | - | 4 Ohms | - | - | - | - | Through Hole | 0.276" Dia x 0.157" T (7.00mm x 4.00mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
|
RXEF375K-0.144PTC RESET FUSE 72V 3.75A RADIAL |
4,374 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bulk | Obsolete | Polymeric | 72V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.071" Dia x 0.118" T (27.20mm x 3.00mm) | 1.252" (31.80mm) | - | 0.400" (10.15mm) |
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0ZRA1100FF1APTC RESET FUSE 16V 11A RADIAL |
7,724 | - |
|
Datasheet | Radial, Disc | 0ZRA | Box | Active | Polymeric | 16V | 11 A | 18.7 A | 100 A | 13.5 s | 3 mOhms | 10 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" L x 0.118" W (17.50mm x 3.00mm) | 1.024" (26.00mm) | - | 0.201" (5.10mm) |
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PTR030V0110-TR1PTC RESET FUSE 30V 1.1A RADIAL |
7,501 | - |
|
Datasheet | Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.197" (5.00mm) |
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PFRX.185.2PTC RESET FUSE 60V 1.85A RADIAL |
4,331 | - |
|
Datasheet | Radial, Disc | PFRX | Tape & Reel (TR) | 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) |
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PFRX.160.2PTC RESET FUSE 60V 1.6A RADIAL |
5,152 | - |
|
Datasheet | Radial, Disc | PFRX | Tape & Reel (TR) | 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) |
|
0ZCD0050FF2CPTC RESET FUSE 60V 500MA 2920 |
2,768 | - |
|
Datasheet | 2920 (7351 Metric) | 0ZCD | Tape & Reel (TR) | Obsolete | Polymeric | 60V | 500 mA | 1 A | 10 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) | - | 0.061" (1.55mm) | - |
|
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0ZCD0110FF2CPTC RESET FUSE 33V 1.1A 2920 |
4,386 | - |
|
Datasheet | 2920 (7351 Metric) | 0ZCD | Tape & Reel (TR) | Obsolete | Polymeric | 33V | 1.1 A | 2.2 A | 40 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) | - |
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.
