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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LVR075S-1PTC RESET FUSE 240V 750MA RADIAL |
9,034 |
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Datasheet | Radial, Disc | PolySwitch®, LVR | Bulk | Obsolete | Polymeric | 240V (265V Int) | 750 mA | 1.5 A | 7.5 A | 18 s | 316 mOhms | 839 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.450" L x 0.189" W (11.43mm x 4.80mm) | 0.921" (23.40mm) | - | 0.200" (5.08mm) |
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TRF250-055TPTC RESET FUSE 60V 55MA RADIAL |
9,520 |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bulk | Active | Polymeric | 60V (250V Int) | 55 mA | 170 mA | 3 A | 3.5 s | 15 Ohms | 35 Ohms | - | -40°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) |
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MXP180PTC RESET FUSE 6V 1.8A STRAP |
2,496 |
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Datasheet | Strap | PolySwitch®, MXP | Bulk | Obsolete | Polymeric | 6V | 1.8 A | 5.2 A | 50 A | 5 s | 7 mOhms | 24 mOhms | - | - | - | - | - | User Defined | - | 0.043" (1.10mm) | - | - |
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MXP270PTC RESET FUSE 6V 2.7A STRAP |
5,923 |
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Datasheet | Strap | PolySwitch®, MXP | Bulk | Obsolete | Polymeric | 6V | 2.7 A | 6.2 A | 50 A | 2 s | 6 mOhms | 26 mOhms | - | - | - | - | - | User Defined | - | 0.043" (1.10mm) | - | - |
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MGP500PTC RESET FUSE 6V 5A STRAP |
4,129 |
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Datasheet | Strap | PolySwitch®, MGP | Bulk | Obsolete | Polymeric | 6V | 5 A | 9.2 A | 50 A | 5 s | 2.5 mOhms | 13 mOhms | - | - | - | - | - | User Defined | 0.591" L x 0.122" W (15.00mm x 3.11mm) | 0.037" (0.95mm) | - | - |
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FEMTOSMDC035F-2PTC RESET FUSE 6V 350MA 0603 |
8,874 |
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Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMDC | Tape & Reel (TR) | Discontinued at Digi-Key | Polymeric | 6V | 350 mA | 700 mA | 40 A | 100 ms | 280 mOhms | 1 Ohms | - | - | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.037" (0.95mm) | - |
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MF-NSML380-2PTC RESET FUSE 6V 3.8A 1206 |
5,983 |
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Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.8 A | 8 A | 50 A | 5 s | 1.5 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
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MF-USML450-2PTC RESET FUSE 6V 4.5A 1210 |
9,295 |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 4.5 A | 9 A | 50 A | 2 s | 1 mOhms | 15 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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MF-USML500-2PTC RESET FUSE 6V 5A 1210 |
2,528 |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 5 A | 10 A | 50 A | 2 s | 1 mOhms | 14.5 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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MF-USML200-2PTC RESET FUSE 6V 2A 1210 |
6,755 |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2 A | 4 A | 50 A | 3 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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MF-USML250-2PTC RESET FUSE 6V 2.5A 1210 |
8,190 |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2.5 A | 5 A | 50 A | 3.5 s | 4.5 mOhms | 22 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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MF-USML350-2PTC RESET FUSE 6V 3.5A 1210 |
2,685 |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 7 A | 50 A | 2 s | 3 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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B59673A0100B110PTC RESET FUSE |
2,855 |
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Datasheet | - | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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PTGL04BD102N9N54B0PTC RESET FUSE RADIAL DISC |
4,224 |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | - | - | - | - | - | - | - | 1 kOhms | -10°C ~ 60°C | - | - | - | Through Hole | - | - | - | - |
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MF-R010-0-A0PTC RESET FUSE 60V 100MA RADIAL |
2,552 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 60V | 100 mA | 200 mA | 40 A | 4 s | 2.5 Ohms | 7.5 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-R400-0-15PTC RESET FUSE 30V 4A RADIAL |
6,088 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
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MF-R075-2-14-99PTC RESET FUSE 60V 750MA RADIAL |
4,785 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | 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-R300-2-14-99PTC RESET FUSE 30V 3A RADIAL |
3,661 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | 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-R400-2-14-99PTC RESET FUSE 30V 4A RADIAL |
9,952 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
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MF-R010-0-A0-99PTC RESET FUSE 60V 100MA RADIAL |
4,777 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 100 mA | 200 mA | 40 A | 4 s | 2.5 Ohms | 7.5 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) |
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.
