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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MF-USML500/12-2PTC RESET FUSE 12V 5A 1210 |
3,121 | - |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 5 A | 10 A | 50 A | 2 s | 1 mOhms | 12 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
.JPG "MF-NSMF020X-2")
|
MF-NSMF020X-2PTC RESET FUSE 30V 200MA 1206 |
33,736 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 400 mA | 60 A | 600 ms | 600 mOhms | 3.3 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
MF-NSML400/6-2PTC RESET FUSE 6V 4A 1206 |
7,731 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 4 A | 8 A | 50 A | 5 s | 2 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.055" (1.40mm) | - |
|
MF-NSMF050/16X-2FUSE RESET PPTC 1206 0.50A/16V |
7,724 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 750 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
|
MF-NSMF025/30X-2FUSE RESET PPTC 1206 0.25A/30V |
6,994 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 30V | 250 mA | 500 mA | 60 A | 50 ms | 450 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.033" (0.85mm) | - |
|
|
MF-NSMF110/16X-2FUSE RESET PPTC 1206 1.1A/16V |
5,368 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse® freeXpansionTM, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 16V | 1.1 A | 2.2 A | 100 A | 100 ms | 60 mOhms | 230 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.043" (1.10mm) | - |
|
MF-MSHT035KX-21812 HIGH TEMP SMD POLYMER PTC 0 |
4,474 | - |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse® MF-MSHT | Tape & Reel (TR) | Active | Polymeric | 36V | 350 mA | 1.75 A | 40 A | 100 ms | 300 mOhms | 2.6 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) | - |
|
CMF-RL25U-0PTC RESET FUSE 220V 60MA RADIAL |
2,500 | - |
|
Datasheet | Radial, Disc | CMF-RL | Bulk | Active | Ceramic | 220V (600V Int) | 60 mA | 150 mA | 900 mA | 250 ms | - | - | 25 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.205" L x 0.138" W (5.20mm x 3.50mm) | 0.205" (5.20mm) | - | 0.197" (5.00mm) |
|
MF-SMDF100/33X-2PTC RESETTABLE 1.1A 33V SMD 2018 |
2,643 | - |
|
Datasheet | 2018 (5045 Metric), Concave | Multifuse®, MF-SMDF | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 40 A | 500 ms | 60 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.049" (1.25mm) | - |
|
MF-R250-2PTC RESET FUSE 30V 2.5A RADIAL |
2,505 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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.
