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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RUSBF185-2PTC RESET FUSE 16V 1.85A RADIAL |
2,970 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 10 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.199" (5.05mm) |
|
MINIASMDC125F/16-2PTC RESET FUSE 16V 1.25A 1812 |
1,500 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.019" (0.48mm) | - |
|
TCF250-100T-B-0.5PTC RESET FUSE 60V 90MA SMD |
1,961 |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 90 mA | 150 mA | 3 A | 200 ms | 14 Ohms | 24 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.187" L x 0.187" W (4.75mm x 4.75mm) | - | 0.091" (2.30mm) | - |
|
72R020XPRPTC RESET FUSE 72V 200MA RADIAL |
1,864 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 72R | Cut Tape (CT) | Active | Polymeric | 72V | 200 mA | 400 mA | 40 A | 2.2 s | 1.83 Ohms | 4.4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
|
|
RUSBF135-2PTC RESET FUSE 16V 1.35A RADIAL |
2,406 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 16V | 1.35 A | 2.7 A | 40 A | 4.5 s | 40 mOhms | 112 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.199" (5.05mm) |
|
ASMD185F-2PTC RESET FUSE 16V 1.85A 2SMD |
1,917 |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 11.3 s | 32 mOhms | 126 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
|
MINIASMDC150F/12-2PTC RESET FUSE 12V 1.5A 1812 |
3,991 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Active | Polymeric | 12V | 1.5 A | 2.8 A | 100 A | 500 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.019" (0.48mm) | - |
|
1812L125/6PRPTC RESET FUSE 6V 1.25A 1812 |
1,735 |
|
Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 6V | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.75mm) | - |
|
AHRF200-2PTC RESET FUSE 16V 2A RADIAL |
2,493 |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Tape & Reel (TR) | Active | Polymeric | 16V | 2 A | 3.8 A | 100 A | 4.8 s | 39 mOhms | 110 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.567" (14.40mm) | - | 0.200" (5.08mm) |
|
RUEF300U-2PTC RESET FUSE 30V 3A RADIAL |
2,000 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 3 A | 6 A | 100 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.650" (16.50mm) | - | 0.199" (5.05mm) |
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.
