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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TRF250-180PTC RESET FUSE 100V 180MA RADIAL |
108 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bulk | Active | Polymeric | 100V (250V Int) | 180 mA | 650 mA | 10 A | 2 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" Dia x 0.150" T (9.00mm x 3.80mm) | 0.472" (12.00mm) | - | 0.197" (5.00mm) |
|
LVR025S-1PTC RESET FUSE 240V 250MA RADIAL |
400 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Bag | Active | Polymeric | 240V (265V Int) | 250 mA | 560 mA | 3.5 A | 18.5 s | 1.3 Ohms | 3.8 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.378" L x 0.150" W (9.60mm x 3.80mm) | 0.685" (17.40mm) | - | 0.200" (5.08mm) |
|
TRF250-145UPTC RESET FUSE 60V 145MA RADIAL |
540 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 4 s | 3.5 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
AHRF450S-1PTC RESET FUSE 16V 4.5A RADIAL |
1,000 |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 16V | 4.5 A | 8.7 A | 100 A | 4 s | 17 mOhms | 54 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
|
RKEF375KPTC RESET FUSE 60V 3.75A RADIAL |
806 |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Bag | Active | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 22 s | 17 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.992" (25.20mm) | - | 0.199" (5.05mm) |
|
VTP210SFPTC RESET FUSE 16V 2.1A STRAP |
688 |
|
Datasheet | Strap | PolySwitch®, VTP | Bulk | Active | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.909" L x 0.209" W (23.10mm x 5.30mm) | - | 0.032" (0.80mm) | - |
|
PICOASMDC010S-2PTC RESET FUSE 15V 100MA 0805 |
504 |
|
Datasheet | 0805 (2012 Metric) | PolySwitch®, picoASMDC | Tape & Reel (TR) | Active | Polymeric | 15V | 100 mA | 300 mA | 20 A | 600 ms | 1.5 Ohms | 11 Ohms | - | - | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.040" (1.02mm) | - |
|
AHRF550PTC RESET FUSE 16V 5.5A RADIAL |
219 |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 16V | 5.5 A | 10 A | 100 A | 6 s | 13 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) | - | 0.199" (5.05mm) |
|
60R075XUPTC RESET FUSE 60V 750MA RADIAL |
459 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 60R | Bulk | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.122" T (10.20mm x 3.10mm) | 0.591" (15.00mm) | - | 0.201" (5.10mm) |
|
LVR033KPTC RESET FUSE 240V 330MA RADIAL |
214 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Bag | Active | Polymeric | 240V (265V Int) | 330 mA | 740 mA | 4.5 A | 21 s | 770 mOhms | 2.6 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.150" W (11.40mm x 3.80mm) | 0.748" (19.00mm) | - | 0.200" (5.08mm) |
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.
