PTC Resettable Fuses
Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| Photo | Mfr. Part # | Availability | Price | 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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MF-NSHT075KX-2PTC RESET FUSE 12V 750MA 1206 |
2,954 | - |
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Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSHT | Tape & Reel (TR) | Active | Polymeric | 12V | 750 mA | 3 A | 40 A | 5 s | 80 mOhms | 700 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.047" (1.20mm) | - |
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MF-FSHT010KX-20603 HIGH TEMP SMD POLYMER PTC 0 |
4,001 | - |
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Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSHT | Tape & Reel (TR) | Active | Polymeric | 12V | 100 mA | 500 mA | 40 A | 1.5 s | 900 mOhms | 8.5 Ohms | - | -40°C ~ 125°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.026" (0.65mm) | - |
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MF-FSHT005KX-20603 HIGH TEMP SMD POLYMER PTC 0 |
3,291 | - |
|
Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSHT | Tape & Reel (TR) | Active | Polymeric | 12V | 50 mA | 250 mA | 40 A | 1.5 s | 1.5 Ohms | 30 Ohms | - | -40°C ~ 125°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.026" (0.65mm) | - |
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MF-LSMF330/16X-22920 RESETTABLE SMD PPTC 3.3A/16 |
2,942 | - |
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Datasheet | 2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 3.3 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
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MF-LSMF600/12X-22920 RESETTABLE SMD PPTC 6.0A/12 |
2,735 | - |
|
Datasheet | 2920 (7351 Metric), Concave | Multifuse®, MF-LSMF | Tape & Reel (TR) | Active | Polymeric | 12V | 6 A | - | - | - | - | - | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | - | - |
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MF-MSHT110KX-21812 HIGH TEMP SMD POLYMER PTC 1 |
1,948 | - |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse® MF-MSHT | Tape & Reel (TR) | Active | Polymeric | 16V | 1.1 A | 5.5 A | 40 A | 5 s | 50 mOhms | 450 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.047" (1.20mm) | - |
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MF-MSHT050KX-21812 HIGH TEMP SMD POLYMER PTC 0 |
1,187 | - |
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Datasheet | 1812 (4532 Metric), Concave | Multifuse® MF-MSHT | Tape & Reel (TR) | Active | Polymeric | 30V | 500 mA | 2.5 A | 40 A | 100 ms | 180 mOhms | 1.6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.033" (0.85mm) | - |
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MF-MSHT075KX-21812 HIGH TEMP SMD POLYMER PTC 0 |
263 | - |
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Datasheet | 1812 (4532 Metric), Concave | Multifuse® MF-MSHT | Tape & Reel (TR) | Active | Polymeric | 30V | 750 mA | 3.75 A | 40 A | 5 s | 90 mOhms | 850 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.033" (0.85mm) | - |
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MF-FSHT016KX-20603 HIGH TEMP SMD POLYMER PTC 0 |
13,553 | - |
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Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSHT | Tape & Reel (TR) | Active | Polymeric | 12V | 160 mA | 800 mA | 40 A | 100 ms | 600 mOhms | 6 Ohms | - | -40°C ~ 125°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.026" (0.65mm) | - |
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MF-RHS1200-0FUSE PTC RESET 12.0A 16V |
500 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 12 A | 24 A | 100 A | 12.5 s | 0.0035 Ohms | 0.0077 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.685" L x 0.142" W (17.40mm x 3.60mm) | 1.098" (27.90mm) | - | 0.402" (10.20mm) |
PTC Resettable Fuses FAQ
Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.
How can I narrow the PTC Resettable Fuses selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
