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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MF-RX110PTC RESET FUSE 60V 1.1A RADIAL |
8,856 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Bulk | Obsolete | Polymeric | 60V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.427" L x 0.122" W (10.84mm x 3.10mm) | 0.662" (16.84mm) | - | 0.201" (5.10mm) |
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MF-RX135PTC RESET FUSE 60V 1.35A RADIAL |
6,188 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Bulk | Obsolete | Polymeric | 60V | 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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MF-RX160PTC RESET FUSE 60V 1.6A RADIAL |
2,371 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Bulk | 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" L x 0.122" W (16.30mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
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MF-RX185PTC RESET FUSE 60V 1.85A RADIAL |
7,292 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX | Bulk | 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" L x 0.122" W (17.80mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
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MF-RX250PTC RESET FUSE 60V 2.5A RADIAL |
3,349 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Bulk | Obsolete | Polymeric | 60V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.839" L x 0.122" W (21.30mm x 3.10mm) | 1.039" (26.40mm) | - | 0.402" (10.20mm) |
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MF-RX300PTC RESET FUSE 60V 3A RADIAL |
8,869 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Bulk | Obsolete | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.980" L x 0.122" W (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
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MF-RX375PTC RESET FUSE 60V 3.75A RADIAL |
8,300 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Bulk | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" L x 0.122" W (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
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RGE300PTC RESET FUSE 16V 3A RADIAL |
4,891 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 3 A | 5.1 A | 100 A | 1 s | 38 mOhms | - | - | - | - | - | - | Through Hole | 0.260" L x 0.098" W (6.60mm x 2.50mm) | 0.433" (11.00mm) | - | 0.199" (5.05mm) |
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RGE500PTC RESET FUSE 16V 5A RADIAL |
5,556 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 15 mOhms | 34 mOhms | - | - | - | - | - | Through Hole | 0.390" L x 0.098" W (9.90mm x 2.50mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
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RGE700PTC RESET FUSE 16V 7A RADIAL |
3,110 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 7 A | 11.9 A | 100 A | 3.5 s | 8 mOhms | 20 mOhms | - | - | - | - | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.776" (19.70mm) | - | 0.201" (5.10mm) |
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RGE900PTC RESET FUSE 16V 9A RADIAL |
4,880 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 9 A | 15.3 A | 100 A | 5.5 s | 5 mOhms | 14 mOhms | - | - | - | - | - | Through Hole | 0.530" L x 0.100" W (13.50mm x 2.50mm) | 0.854" (21.70mm) | - | 0.199" (5.05mm) |
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RGE1100PTC RESET FUSE 16V 11A RADIAL |
5,071 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 11 A | 18.7 A | 100 A | 7 s | 3.7 mOhms | 8.9 mOhms | - | - | - | - | - | Through Hole | 0.669" L x 0.098" W (17.00mm x 2.50mm) | 1.024" (26.00mm) | - | 0.199" (5.05mm) |
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TR250-080UPTC RESET FUSE 250V 80MA RADIAL |
8,714 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 250V (60V Int) | 80 mA | - | 3 A | 3 s | 14 Ohms | 33 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.189" Dia x 0.150" T (4.80mm x 3.80mm) | 0.366" (9.30mm) | - | 0.197" (5.00mm) |
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RXE110-1PTC RESET FUSE 72V 1.1A RADIAL |
2,359 |
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Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | - | - | - | - | Through Hole | 0.504" Dia x 0.118" T (12.80mm x 3.00mm) | 0.689" (17.50mm) | - | 0.199" (5.05mm) |
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RUSB075PTC RESET FUSE 6V 750MA RADIAL |
7,653 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 6V | 750 mA | 1.3 A | 40 A | 400 ms | 110 mOhms | 230 mOhms | - | - | - | - | - | Through Hole | 0.272" L x 0.118" W (6.90mm x 3.00mm) | 0.449" (11.40mm) | - | 0.201" (5.10mm) |
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RUSB090PTC RESET FUSE 16V 900MA RADIAL |
5,190 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 900 mA | 1.8 A | 40 A | 1.2 s | 70 mOhms | 180 mOhms | - | - | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.199" (5.05mm) |
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RUSB120PTC RESET FUSE 6V 1.2A RADIAL |
8,991 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 6V | 1.2 A | 2 A | 40 A | 500 ms | 70 mOhms | 140 mOhms | - | - | - | - | - | Through Hole | 0.272" Dia x 0.122" T (6.90mm x 3.10mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
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RUSB135PTC RESET FUSE 16V 1.35A RADIAL |
3,383 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 1.35 A | 2.7 A | 40 A | 4.5 s | 40 mOhms | 115 mOhms | - | - | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.199" (5.05mm) |
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RUSB250PTC RESET FUSE 16V 2.5A RADIAL |
3,946 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 2.5 A | 5 A | 40 A | 40 s | 20 mOhms | 60 mOhms | - | - | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.199" (5.05mm) |
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RGE1400PTC RESET FUSE 16V 14A RADIAL |
7,578 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 16V | 14 A | 23.8 A | 100 A | 9 s | 2.6 mOhms | 6.4 mOhms | - | - | - | - | - | Through Hole | 0.904" L x 0.114" W (22.96mm x 2.90mm) | 1.102" (28.00mm) | - | 0.400" (10.15mm) |
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.
