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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SMD260-2POLYSWITCH 2.6A RESET FUSE SMD |
4,918 |
|
Datasheet | 2920 (7351 Metric) | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 6V | 2.6 A | 5.2 A | 40 A | 20 s | 25 mOhms | 75 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.118" (3.00mm) | - |
|
|
SMD300-2POLYSWITCH 3.00A RESET FUSE SMD |
2,357 |
|
Datasheet | 2920 (7351 Metric) | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 6V | 3 A | 6 A | 40 A | 35 s | 15 mOhms | 48 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.118" (3.00mm) | - |
|
MINISMDC350LR-2PTC RESET FUSE 6V 3.5A 1812 |
6,094 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 8 A | 50 A | - | 6 mOhms | 25 mOhms | - | - | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.017" (0.43mm) | - |
.jpg "NANOSMD175LR-2")
|
NANOSMD175LR-2PTC RESET FUSE 6V 1.75A 1206 |
3,371 |
|
Datasheet | 1206 (3216 Metric) | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.75 A | 5 A | 50 A | 1 s | 8 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.60mm) | - | 0.039" (1.00mm) | - |
|
|
NANOSMD350LR-2PTC RESET FUSE 6V 3.5A 1206 |
4,572 |
|
Datasheet | 1206 (3216 Metric) | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 6.3 A | 50 A | 5 s | 4 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.039" (1.00mm) | - |
, Concave.jpg "FEMTOSMDC035F-02")
|
FEMTOSMDC035F-02PTC RESET FUSE 6V 350MA 0603 |
2,750 |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 700 mA | 40 A | 100 ms | 280 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.030" (0.75mm) | - |
|
NANOSMD350LR-C-2PTC RESET FUSE 12V 3.5A 1206 |
6,032 |
|
Datasheet | 1206 (3216 Metric) | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 12V | 3.5 A | 6.3 A | 9 A | 5 s | 4 mOhms | 18 mOhms | - | -20°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.60mm) | - | 0.032" (0.80mm) | - |
|
|
NANOSMD400LR-C-2PTC RESET FUSE 12V 4A 1206 |
3,912 |
|
Datasheet | 1206 (3216 Metric) | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 12V | 4 A | 8 A | 9 A | 2 s | 4 mOhms | 10 mOhms | - | -20°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.60mm) | - | 0.032" (0.80mm) | - |
|
|
NANOSMD380LR-2PTC RESET FUSE 6V 3.8A 1206 |
7,464 |
|
Datasheet | 1206 (3216 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.8 A | 8 A | 50 A | 10 s | 4 mOhms | 14 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.039" (1.00mm) | - |
|
|
NANOSMD400LR-2PTC RESET FUSE 6V 4A 1206 |
7,585 |
|
Datasheet | 1206 (3216 Metric) | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 4 A | 8 A | 50 A | 2 s | 4 mOhms | 10 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.063" W (3.22mm x 1.61mm) | - | 0.039" (1.00mm) | - |
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.
