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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PTGL07AS2R7K2B51A0PTC RESET FUSE 30V 425MA RADIAL |
8,282 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 425 mA | 565 mA | 4.5 A | - | - | - | 2.7 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
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PTGL09BD2R2N2B51A0PTC RESET FUSE 24V 326MA RADIAL |
8,558 | - |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 24V | 326 mA | 431 mA | 2 A | - | - | - | 2.2 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.374" Dia x 0.157" T (9.50mm x 4.00mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
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PTGLESARR15M1B51B0PTC RESET FUSE 16V 1.545A RADIAL |
7,945 | - |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 16V | 1.545 A | 2.855 A | 10 A | - | - | - | 150 mOhms | -30°C ~ 85°C | - | - | - | Through Hole | 0.531" Dia x 0.138" T (13.50mm x 3.50mm) | 0.728" (18.50mm) | - | 0.197" (5.00mm) |
|
YS5940PTHPTC RESET FUSE HEATERS 40% |
4,051 | - |
|
Datasheet | - | PTH | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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MF-RX375-APPTC RESET FUSE 60V 3.75A RADIAL |
2,421 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
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MF-R025-AP-99PTC RESET FUSE 60V 250MA RADIAL |
5,954 | - |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1 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) |
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MF-R110-AP-99PTC RESET FUSE 30V 1.1A RADIAL |
4,505 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 100 mOhms | 270 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
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MF-R300-AP-99PTC RESET FUSE 30V 3A RADIAL |
2,664 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
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MF-RX375-AP-99PTC RESET FUSE 60V 3.75A RADIAL |
5,804 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
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MF-R1100-2-99PTC RESET FUSE 16V 11A RADIAL |
3,028 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 11 A | 22 A | 100 A | 20 s | 3 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.953" L x 0.118" W (24.20mm x 3.00mm) | 1.295" (32.90mm) | - | 0.402" (10.20mm) |
|
MF-R500-2-99PTC RESET FUSE 30V 5A RADIAL |
3,730 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 5 A | 10 A | 40 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.685" L x 0.118" W (17.40mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
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MF-R800-2-99PTC RESET FUSE 30V 8A RADIAL |
7,567 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 8 A | 16 A | 40 A | 18.8 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.953" L x 0.118" W (24.20mm x 3.00mm) | 1.295" (32.90mm) | - | 0.402" (10.20mm) |
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RUEF600K-0.144PTC RESET FUSE 30V 6A RADIAL |
8,645 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bulk | Active | Polymeric | 30V | 6 A | 12 A | 100 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 1.032" (26.20mm) | - | 0.400" (10.15mm) |
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RUEF900K-0.144PTC RESET FUSE 30V 9A RADIAL |
2,525 | - |
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Datasheet | Radial, Disc | PolySwitch®, RUEF | Bulk | Active | Polymeric | 30V | 9 A | 18 A | 100 A | 20 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.949" L x 0.118" W (24.10mm x 3.00mm) | 1.220" (31.00mm) | - | 0.400" (10.15mm) |
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RXEF017-0.142PTC RESET FUSE 60V 170MA RADIAL |
8,689 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bulk | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 3.3 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
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RXEF185K-0.167PTC RESET FUSE 72V 1.85A RADIAL |
9,872 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bulk | 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) |
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PSR-24883FPTC RESET FUSE 60V 160MA |
5,292 | - |
|
Datasheet | - | PSR | Bulk | Active | Polymeric | 60V | 160 mA | 640 mA | 3 A | 7 s | 6.5 Ohms | 8 Ohms | - | 125°C | - | - | - | - | - | - | - | - |
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MICROSMD010F-02PTC RESET FUSE 30V 100MA 1210 |
2,845 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 250 mA | 10 A | 1 s | 2.1 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.033" (0.85mm) | - |
|
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MINISMDC050F-02PTC RESET FUSE 24V 500MA 1812 |
4,350 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 24V | 500 mA | 1 A | 100 A | 150 ms | 150 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.024" (0.62mm) | - |
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TRF250-080TAPTC RESET FUSE 60V 80MA RADIAL |
3,217 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bulk | Active | Polymeric | 60V (250V Int) | 80 mA | 160 mA | 3 A | 4 s | 15 Ohms | 33 Ohms | - | 0°C ~ 85°C | - | - | - | Through Hole | 0.228" Dia x 0.181" T (5.80mm x 4.60mm) | 0.390" (9.90mm) | - | 0.197" (5.00mm) |
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.
