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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
AHEF100PTC RESET FUSE 32V 1A RADIAL |
2,809 |
|
Datasheet | Radial, Disc | PolySwitch®, AHEF | Bag | Active | Polymeric | 32V | 1 A | 1.9 A | 100 A | 6.2 s | 150 mOhms | 430 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.382" Dia x 0.118" T (9.70mm x 3.00mm) | 0.535" (13.60mm) | - | 0.199" (5.05mm) |
|
2920L075/72MR2920L |
2,236 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | - | 72V | 750 mA | 1.5 A | 10 A | 300 ms | 240 mOhms | 950 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.071" (1.80mm) | - |
|
TRF250-120-2PTC RESET FUSE 60V 120MA RADIAL |
2,842 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 4 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) |
|
PICOASMDC012S-2PTC RESET FUSE 15V 120MA 0805 |
3,201 |
|
Datasheet | 0805 (2012 Metric) | PolySwitch®, picoASMDC | Tape & Reel (TR) | Active | Polymeric | 15V | 120 mA | 300 mA | 20 A | 100 ms | 1.5 Ohms | 9 Ohms | - | - | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
|
RGEF900PTC RESET FUSE 16V 9A RADIAL |
1,460 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | 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 | 0.531" L x 0.100" W (13.50mm x 2.50mm) | 0.854" (21.70mm) | - | 0.199" (5.05mm) |
|
RUEF500-2PTC RESET FUSE 30V 5A RADIAL |
8,867 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 5 A | 10 A | 100 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.120" W (14.00mm x 3.00mm) | 0.949" (24.10mm) | - | 0.400" (10.15mm) |
|
ASMD050F-2PTC RESET FUSE 60V 370MA 2SMD |
2,429 |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 60V | 370 mA | 980 mA | 10 A | 20 s | 290 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.125" (3.18mm) | - |
|
2920L600/12MRPTC RESET FUSE 12V 6A 2920 |
95,626 |
|
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) | - |
|
LVR040K-2PTC RESET FUSE 240V 400MA RADIAL |
7,688 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Tape & Reel (TR) | 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) | - | 0.200" (5.08mm) |
|
RKEF400PTC RESET FUSE 60V 4A RADIAL |
5,526 |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Bag | Active | Polymeric | 60V | 4 A | 8 A | 40 A | 24 s | 14 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.827" L x 0.118" W (21.00mm x 3.00mm) | 0.980" (24.90mm) | - | 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.
