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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MF-SM150-2PTC RESET FUSE 15V 1.5A 2SMD |
3,735 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 15V | 1.5 A | 3 A | 100 A | 5 s | 60 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
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MINIASMDC020F-2PTC RESET FUSE 30V 200MA 1812 |
2,826 | - |
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Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 400 mA | 10 A | 20 ms | 600 mOhms | 3.3 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.89mm) | - |
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PRG21AR220MS1RKPTC RESET FUSE 16V 75MA 0805 |
2,600 | - |
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Datasheet | 0805 (2012 Metric) | POSISTOR®, PRG | Tape & Reel (TR) | Active | Ceramic | 16V | 75 mA | 195 mA | 900 mA | - | - | - | 22 Ohms | -40°C ~ 105°C | - | - | - | Surface Mount | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | 0.057" (1.45mm) | - |
|
MF-SMDF150-2PTC RESET FUSE 15V 1.5A 2018 |
57,674 | - |
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Datasheet | 2018 (5045 Metric), Concave | Multifuse®, MF-SMDF | Tape & Reel (TR) | Active | Polymeric | 15V | 1.5 A | 3 A | 40 A | 800 ms | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.033" (0.85mm) | - |
|
MF-R075-2PTC RESET FUSE 60V 750MA RADIAL |
21,356 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 180 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.630" (16.00mm) | - | 0.201" (5.10mm) |
|
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MF-R185PTC RESET FUSE 30V 1.85A RADIAL |
11,232 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" Dia x 0.118" T (12.00mm x 3.00mm) | 0.724" (18.40mm) | - | 0.201" (5.10mm) |
|
RXEF065-2PTC RESET FUSE 72V 650MA RADIAL |
10,420 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 72V | 650 mA | 1.3 A | 40 A | 5.3 s | 310 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.571" (14.50mm) | - | 0.200" (5.08mm) |
|
MF-R160PTC RESET FUSE 30V 1.6A RADIAL |
4,872 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | 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) |
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RXEF090PTC RESET FUSE 72V 900MA RADIAL |
4,704 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | 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" Dia x 0.118" T (11.20mm x 3.00mm) | 0.622" (15.80mm) | - | 0.199" (5.05mm) |
|
RUEF160-2PTC RESET FUSE 30V 1.6A RADIAL |
4,653 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 1.6 A | 3.2 A | 100 A | 8 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) | - | 0.199" (5.05mm) |
|
MINISMDC300F-2PTC RESET FUSE 6V 3A 1812 |
4,330 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 6 A | 100 A | 5 s | 11 mOhms | 36 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.76mm) | - |
|
RKEF050-APPTC RESET FUSE 60V 500MA RADIAL |
3,898 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Cut Tape (CT) | Active | Polymeric | 60V | 500 mA | 1 A | 40 A | 800 ms | 320 mOhms | 900 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.280" L x 0.140" W (7.10mm x 3.56mm) | 0.450" (11.43mm) | - | 0.199" (5.05mm) |
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0ZRE0012FF1CPTC RESET FUSE 240V 120MA RADIAL |
3,770 | - |
|
Datasheet | Radial, Disc | 0ZRE | Box | Active | Polymeric | 240V | 120 mA | 300 mA | 2 A | 15 s | 3 Ohms | 12 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.327" L x 0.150" W (8.30mm x 3.80mm) | 0.421" (10.70mm) | - | 0.201" (5.10mm) |
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60R020XPRPTC RESET FUSE 60V 200MA RADIAL |
2,882 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 60R | Cut Tape (CT) | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2.2 s | 1.83 Ohms | 4.4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
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RXEF005-2PTC RESET FUSE 60V 50MA RADIAL |
2,203 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.315" Dia x 0.118" T (8.00mm x 3.00mm) | 0.327" (8.30mm) | - | 0.199" (5.05mm) |
|
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RUEF185-2PTC RESET FUSE 30V 1.85A RADIAL |
40,617 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 1.85 A | 3.7 A | 100 A | 8.7 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.199" (5.05mm) |
|
MF-RX135/72-2PTC RESET FUSE 72V 1.35A RADIAL |
32,299 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.483" L x 0.122" W (12.26mm x 3.10mm) | 0.718" (18.26mm) | - | 0.201" (5.10mm) |
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1206L075THYRPTC RESET FUSE 8V 750MA 1206 |
12,537 | - |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 8V | 750 mA | 1.5 A | 100 A | 200 ms | 90 mOhms | 290 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
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MF-FSML125/8-2PTC RESET FUSE 8V 1.25A 0603 |
6,998 | - |
|
Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSML | Tape & Reel (TR) | Active | Polymeric | 8V | 1.25 A | 2.5 A | 50 A | 3 s | 20 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.028" (0.70mm) | - |
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|
MF-PSML300/6-2PTC RESET FUSE 6V 3A 0805 |
2,970 | - |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 6 A | 50 A | 5 s | 3 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.055" (1.40mm) | - |
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.
