PTC Resettable Fuses
Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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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TRF250-120T-R2-B-0.5-2PTC RESET FUSE 60V 120MA RADIAL |
4,425 |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 750 ms | 8 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
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YQS5940PTHPTC RESET FUSE HEATERS +/-40% |
4,480 |
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Datasheet | - | YQ | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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YS6101PTC RESET FUSE 75V RADIAL DISC |
7,123 |
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Datasheet | Radial, Disc | YS | Bulk | Active | Ceramic | 75V | - | - | - | - | - | - | 6 Ohms | - | - | - | - | Through Hole | 0.315" Dia x 0.059" T (8.00mm x 1.50mm) | 0.059" (1.50mm) | - | 0.197" (5.00mm) |
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60R375XHSLPTC RESET FUSE 60V 3.75A RADIAL |
4,175 |
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Datasheet | Radial, Disc | POLY-FUSE®, 60R | Bulk | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.035" Dia x 0.122" T (26.30mm x 3.10mm) | 1.224" (31.10mm) | - | 0.402" (10.20mm) |
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CMF-RLC50-0PTC RESET FUSE 230V 65MA RADIAL |
5,506 |
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Datasheet | Radial, Disc | CMF-RLC | Bulk | Obsolete | Ceramic | 230V (650V Int) | 65 mA | 150 mA | 3 A | 100 ms | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.354" L x 0.177" W (9.00mm x 4.50mm) | 0.378" (9.60mm) | - | 0.200" (5.08mm) |
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CMF-RLC50-10-0PTC RESET FUSE 230V 65MA RADIAL |
5,006 |
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Datasheet | Radial, Disc | CMF-RLC | Bulk | Obsolete | Ceramic | 230V (650V Int) | 65 mA | 150 mA | 3 A | 100 ms | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.354" L x 0.177" W (9.00mm x 4.50mm) | 0.378" (9.60mm) | - | 0.200" (5.08mm) |
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CMF-RQ50-0PTC RESET FUSE 230V 90MA 8DIP |
6,512 |
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Datasheet | 8-DIP (0.197", 5.00mm) | CMF-RQ | Bulk | Obsolete | Ceramic | 230V (600V Int) | 90 mA | 190 mA | 3 A | 100 ms | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.787" L x 0.354" W (20.00mm x 9.00mm) | 0.398" (10.10mm) | - | 0.197" (5.00mm) |
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CMF-RQ50-10-0PTC RESET FUSE 230V 90MA 8DIP |
7,543 |
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Datasheet | 8-DIP (0.197", 5.00mm) | CMF-RQ | Bulk | Obsolete | Ceramic | 230V (600V Int) | 90 mA | 190 mA | 3 A | 100 ms | - | - | 50 Ohms | - | - | - | - | Through Hole | 0.787" L x 0.354" W (20.00mm x 9.00mm) | 0.398" (10.10mm) | - | 0.197" (5.00mm) |
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MF-R015/600-A05-0PTC RESET FUSE 250V 150MA RADIAL |
8,179 |
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Datasheet | Radial, Box | Multifuse®, MF-R/600 | Bulk | Obsolete | Polymeric | 250V (600V Int) | 150 mA | 300 mA | 3 A | 5 s | 7 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.531" L x 0.236" W (13.50mm x 6.00mm) | 0.496" (12.60mm) | - | 0.197" (5.00mm) |
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MF-R015/600-B-0PTC RESET FUSE 250V 150MA RADIAL |
8,267 |
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Datasheet | Radial, Box | Multifuse®, MF-R/600 | Bulk | Obsolete | Polymeric | 250V (600V Int) | 150 mA | 300 mA | 3 A | 5 s | 9 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.531" L x 0.236" W (13.50mm x 6.00mm) | 0.496" (12.60mm) | - | 0.197" (5.00mm) |
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MF-R015/600-B05-0PTC RESET FUSE 250V 150MA RADIAL |
6,800 |
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Datasheet | Radial, Box | Multifuse®, MF-R/600 | Bulk | Obsolete | Polymeric | 250V (600V Int) | 150 mA | 300 mA | 3 A | 5 s | 9 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.531" L x 0.236" W (13.50mm x 6.00mm) | 0.496" (12.60mm) | - | 0.197" (5.00mm) |
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MF-R015/600-F-0PTC RESET FUSE 250V 150MA RADIAL |
7,198 |
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Datasheet | Radial, Box | Multifuse®, MF-R/600 | Bulk | Obsolete | Polymeric | 250V (600V Int) | 150 mA | 300 mA | 3 A | 5 s | 7 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.531" L x 0.236" W (13.50mm x 6.00mm) | 0.496" (12.60mm) | - | 0.197" (5.00mm) |
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MF-R017-0-99PTC RESET FUSE 60V 170MA RADIAL |
5,592 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 2 Ohms | 8 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-R020-0-99PTC RESET FUSE 60V 200MA RADIAL |
4,366 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2.2 s | 1.5 Ohms | 4.4 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-R025-0-99PTC RESET FUSE 60V 250MA RADIAL |
3,052 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | 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-R030-0-99PTC RESET FUSE 60V 300MA RADIAL |
8,166 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 300 mA | 600 mA | 40 A | 3 s | 760 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.528" (13.40mm) | - | 0.201" (5.10mm) |
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MF-R040-0-99PTC RESET FUSE 60V 400MA RADIAL |
5,672 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 400 mA | 800 mA | 40 A | 3.8 s | 520 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
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MF-R050-0-99PTC RESET FUSE 60V 500MA RADIAL |
9,863 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 500 mA | 1 A | 40 A | 4 s | 410 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) |
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MF-R065-0-99PTC RESET FUSE 60V 650MA RADIAL |
6,298 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 5.3 s | 270 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
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MF-R075/90-0PTC RESET FUSE 90V 750MA RADIAL |
7,901 |
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Datasheet | Radial, Disc | Multifuse®, MF-R/90 | Bulk | Obsolete | Polymeric | 90V | 750 mA | 1.5 A | 10 A | 60 s | 370 mOhms | 1.65 Ohms | - | -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) |
Frequently Asked Questions
What are PTC Resettable Fuses components used for?
PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right PTC Resettable Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
