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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TRF250-145-RA-B-0.5PTC RESET FUSE 60V 145MA RADIAL |
9,499 |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 12 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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MF-RHT400-0PTC RESET FUSE 16V 4A RADIAL |
2,500 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bag | Active | Polymeric | 16V | 4 A | 7.5 A | 100 A | 5 s | 24 mOhms | 60 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.394" L x 0.118" W (10.00mm x 3.00mm) | 0.591" (15.00mm) | - | 0.201" (5.10mm) |
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MF-RHT300-0PTC RESET FUSE 16V 3A RADIAL |
2,195 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bag | Active | Polymeric | 16V | 3 A | 6 A | 100 A | 5 s | 33 mOhms | 79 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.346" L x 0.118" W (8.80mm x 3.00mm) | 0.543" (13.80mm) | - | 0.201" (5.10mm) |
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RGEF900-2PTC RESET FUSE 16V 9A RADIAL |
1,996 |
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Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 9 A | 15.3 A | 100 A | 5.5 s | 4.7 mOhms | 13.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.532" L x 0.100" W (13.50mm x 2.50mm) | 0.854" (21.70mm) | - | 0.199" (5.05mm) |
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RHEF650-2PTC RESET FUSE 16V 6.5A RADIAL |
1,480 |
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Datasheet | Radial, Disc | PolySwitch®, RHEF | Tape & Reel (TR) | Active | Polymeric | 16V | 6.5 A | 12 A | 100 A | 5.5 s | 11 mOhms | 26 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.874" (22.20mm) | - | 0.199" (5.05mm) |
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MF-NSML175/12-2PTC RESET FUSE 12V 1.75A 1206 |
3,953 |
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Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 1.75 A | 3.5 A | 50 A | 5 s | 6 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.028" (0.70mm) | - |
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MF-RG1100-0PTC RESET FUSE 16V 11A RADIAL |
2,993 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Bulk | Active | Polymeric | 16V | 11 A | 18.7 A | 100 A | 15.2 s | 3 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.689" L x 0.118" W (17.50mm x 3.00mm) | 0.988" (25.10mm) | - | 0.201" (5.10mm) |
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250R120-RCZRPTC RESET FUSE 60V 120MA RADIAL |
5,407 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Cut Tape (CT) | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 3 s | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
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MF-RM040/240-0PTC RESET FUSE 240V 400MA RADIAL |
2,840 |
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Datasheet | Radial, Disc | Multifuse®, MF-RM | Bulk | Active | Polymeric | 240V (265V Int) | 400 mA | 900 mA | 5.5 A | 24 s | 600 mOhms | 1.9 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.823" (20.90mm) | - | 0.114" (2.90mm) |
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MF-RHT550-0PTC RESET FUSE 16V 5.5A RADIAL |
2,715 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bag | Active | Polymeric | 16V | 5.5 A | 10 A | 100 A | 6 s | 15 mOhms | 37 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.744" (18.90mm) | - | 0.201" (5.10mm) |
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2920L600/12MR-APTC RESET FUSE 12V 6A 2920 |
2,367 |
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Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 12V | 6 A | 12 A | 50 A | 2 s | 4 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.063" (1.60mm) | - |
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MF-RG650-0PTC RESET FUSE 16V 6.5A RADIAL |
2,850 |
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Datasheet | Radial, Disc | Multifuse®, MF-RG | Bag | Active | Polymeric | 16V | 6.5 A | 11.1 A | 100 A | 3.5 s | 8.8 mOhms | 24 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | 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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AHRF600-2PTC RESET FUSE 16V 6A RADIAL |
1,998 |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Tape & Reel (TR) | Active | Polymeric | 16V | 6 A | 12 A | 100 A | 6.5 s | 10 mOhms | 32 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.827" (21.00mm) | - | 0.200" (5.08mm) |
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MF-RHT650-0PTC RESET FUSE 16V 6.5A RADIAL |
2,665 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 6.5 A | 12 A | 100 A | 5.5 s | 11 mOhms | 26 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.874" (22.20mm) | - | 0.114" (2.90mm) |
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MICROASMDCH150F-2PPTC-MINI-PSW |
1,215 |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microASMD | Tape & Reel (TR) | Active | Polymeric | 12V | 1.5 A | 4.5 A | 40 A | 1 s | 25 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.055" (1.40mm) | - |
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TRF250-145T-B-0.5PTC RESET FUSE 60V 145MA RADIAL |
1,970 |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 5.4 Ohms | 14 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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PTCCL05H630HTEPTC RESET FUSE 265V 63MA RADIAL |
1,450 |
|
Datasheet | Radial, Disc | PTCCL - 265V | Tape & Reel (TR) | Active | Ceramic | 265V | 63 mA | 95 mA | 450 mA | - | - | - | 120 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.197" Dia x 0.197" T (5.00mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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LSP550PTC RESET FUSE 16V 5.5A |
9,778 |
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Datasheet | Strap | PolySwitch®, LSP | Bag | Active | Polymeric | 16V | 5.5 A | 10.2 A | 50 A | 5 s | 8 mOhms | 26 mOhms | 13 mOhms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | User Defined | 0.787" L x 0.402" W (20.00mm x 10.20mm) | - | 0.035" (0.90mm) | - |
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MF-RG600-0PTC RESET FUSE 16V RADIAL DISC |
4,638 |
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Datasheet | Radial, Disc | Multifuse®, MF-RG | Bulk | Active | Polymeric | 16V | - | 18.7 A | 100 A | - | 3 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.421" L x 0.118" W (10.70mm x 3.00mm) | 0.673" (17.10mm) | - | 0.201" (5.10mm) |
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B59980C0120A051PTC RESET FUSE 80V 85MA RADIAL |
2,712 |
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Datasheet | Radial, Disc | B59980 | Tape & Reel (TR) | Active | Ceramic | 80V | 85 mA | 170 mA | 1 A | - | - | - | 25 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.256" Dia x 0.138" T (6.50mm x 3.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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.
