PTC Resettable Fuses
Review PTC Resettable Fuses Circuit Protection components in this filtered selection. Compare manufacturer information, availability, pricing, datasheets and key specifications to narrow down suitable parts for your application.
If the exact part or specification you need is not listed, send the manufacturer part number, target parameters and quantity to JIEXIN Electronics for sourcing 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 |
|
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) |
|
60R375XHSLPTC RESET FUSE 60V 3.75A RADIAL |
4,175 |
|
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) |
|
1812L370SLPRPTC RESET FUSE 6V 3.7A 1812 |
6,655 |
|
Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.7 A | 9.1 A | 50 A | 2 s | 3 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
|
MXP370BDPTC RESET FUSE 6V 3.7A STRAP |
4,087 |
|
Datasheet | Strap | PolySwitch®, MXP | Bag | Obsolete | Polymeric | 6V | 3.7 A | 9 A | 50 A | 5 s | 4 mOhms | 16 mOhms | - | - | - | - | - | User Defined | 0.429" L x 0.122" W (10.90mm x 3.11mm) | - | 0.043" (1.10mm) | - |
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|
FEMTOSMDC005F-02POLYSWITCH RESET FUSE 0.05A SMD |
2,973 |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Active | Polymeric | 15V | 50 mA | 150 mA | 40 A | 100 ms | 3.8 Ohms | - | - | - | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.026" (0.65mm) | - |
|
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FEMTOSMDC008F-02PTC RESET FUSE 15V 50MA 0603 |
8,605 |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMD | Tape & Reel (TR) | Active | Polymeric | 15V | 50 mA | 150 mA | 40 A | 100 ms | 3.8 Ohms | - | - | - | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.033" (0.85mm) | - |
|
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FEMTOSMDC010F-02PTC RESET FUSE 12V 100MA 0603 |
8,105 |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMD | Tape & Reel (TR) | Active | Polymeric | 12V | 100 mA | 250 mA | 40 A | 100 ms | 1.7 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.033" (0.85mm) | - |
|
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TRF250-145ST-B-0.5PTC RESET FUSE 60V 145MA RADIAL |
4,709 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 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) |
|
|
TRF600-150-RCPTC RESET FUSE 250V 150MA RADIAL |
5,231 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF600 | Bag | Active | Polymeric | 250V (600V Int) | 150 mA | 300 mA | 40 A | 3 s | 9 Ohms | 22 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" L x 0.181" W (9.00mm x 4.60mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
|
1206L110/12WRPTC RESET FUSE 12V 1.1A 1206 |
8,451 |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 12V | 1.1 A | 2.2 A | 100 A | 100 ms | 40 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
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.
