PTC Resettable Fuses
Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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-SM100/33-2PTC RESET FUSE 33V 1.1A 2SMD |
31,940 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 40 A | 500 ms | 120 mOhms | 410 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.287" L x 0.214" W (7.31mm x 5.44mm) | - | 0.118" (3.00mm) | - |
|
MF-MSMF020/60-2PTC RESET FUSE 60V 200MA 1812 |
16,528 | - |
|
Datasheet | 1812 (4532 Metric), Concave | Multifuse®, MF-MSMF | Tape & Reel (TR) | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 150 ms | 400 mOhms | 6 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.043" (1.10mm) | - |
|
|
MF-SM075/60-2PTC RESET FUSE 60V 750MA 2SMD |
11,450 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 10 A | 300 ms | 230 mOhms | 1 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.287" L x 0.214" W (7.31mm x 5.44mm) | - | 0.125" (3.18mm) | - |
|
NANOSMDC150F-2PTC RESET FUSE 6V 1.5A 1206 |
25,806 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 1.5 A | 3 A | 100 A | 300 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.035" (0.89mm) | - |
|
|
NANOSMDC035F-2PTC RESET FUSE 16V 350MA 1206 |
16,319 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoSMD | Tape & Reel (TR) | Active | Polymeric | 16V | 350 mA | 750 mA | 20 A | 100 ms | 450 mOhms | 1.35 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.032" (0.82mm) | - |
|
MF-SM150/33-2PTC RESET FUSE 33V 1.5A 2SMD |
15,612 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 33V | 1.5 A | 3 A | 40 A | 5 s | 60 mOhms | 230 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
|
|
NANOSMDC050F/13.2-2PTC RESET FUSE 13.2V 500MA 1206 |
15,397 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoSMD | Tape & Reel (TR) | Active | Polymeric | 13.2V | 500 mA | 1.1 A | 100 A | 100 ms | 200 mOhms | - | - | - | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.029" (0.74mm) | - |
|
MICROSMD005F-2PTC RESET FUSE 30V 50MA 1210 |
14,613 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Active | Polymeric | 30V | 50 mA | 150 mA | 10 A | 1.5 s | 3.6 Ohms | 50 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.033" (0.85mm) | - |
|
MF-FSMF050X-2PTC RESET FUSE 6V 500MA 0603 |
47,024 | - |
|
Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSMF | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 40 A | 100 ms | 100 mOhms | 800 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.039" (1.00mm) | - |
|
MF-SMDF050-2PTC RESET FUSE 60V 550MA 2018 |
43,706 | - |
|
Datasheet | 2018 (5045 Metric), Concave | Multifuse®, MF-SMDF | Tape & Reel (TR) | Active | Polymeric | 60V | 550 mA | 1.2 A | 10 A | 3 s | 200 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.043" (1.09mm) | - |
|
|
NANOASMDC010F-2PTC RESET FUSE 60V 100MA 1206 |
35,052 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoASMD | Tape & Reel (TR) | Active | Polymeric | 60V | 100 mA | 250 mA | 10 A | 1 s | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.062" W (3.20mm x 1.58mm) | - | 0.039" (1.00mm) | - |
|
|
MICROSMD010F-2PTC RESET FUSE 30V 100MA 1210 |
30,648 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 250 mA | 10 A | 1 s | 2.1 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.033" (0.85mm) | - |
|
|
NANOSMDC110F-2PTC RESET FUSE 6V 1.1A 1206 |
23,501 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 2.2 A | 100 A | 100 ms | 70 mOhms | 200 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.026" (0.67mm) | - |
|
MINISMDC030F-2PTC RESET FUSE 30V 300MA 1812 |
5,962 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 30V | 300 mA | 600 mA | 40 A | 100 ms | 200 mOhms | 1.75 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.89mm) | - |
|
RUEF110PTC RESET FUSE 30V 1.1A RADIAL |
5,322 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 1.1 A | 2.2 A | 100 A | 6.6 s | 70 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.199" (5.05mm) |
|
|
NANOSMDC075F-2PTC RESET FUSE 6V 750MA 1206 |
4,572 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 100 A | 100 ms | 90 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.027" (0.68mm) | - |
|
RXEF040PTC RESET FUSE 72V 400MA RADIAL |
3,236 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 400 mA | 800 mA | 40 A | 3.8 s | 550 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.299" Dia x 0.118" T (7.60mm x 3.00mm) | 0.532" (13.50mm) | - | 0.199" (5.05mm) |
|
MINISMDC260F-2PTC RESET FUSE 6V 2.6A 1812 |
2,611 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 2.6 A | 5 A | 100 A | 5 s | 15 mOhms | 43 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.031" (0.78mm) | - |
|
1206L016WRPTC RESET FUSE 30V 160MA 1206 |
66,778 | - |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 30V | 160 mA | 370 mA | 100 A | 300 ms | 1.2 Ohms | 4.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.057" (1.45mm) | - |
|
|
1206L012WRPTC RESET FUSE 30V 125MA 1206 |
65,421 | - |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 30V | 125 mA | 290 mA | 100 A | 200 ms | 1.5 Ohms | 6 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.057" (1.45mm) | - |
PTC Resettable Fuses FAQ
Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.
What should I check when selecting PTC Resettable Fuses components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific PTC Resettable Fuses part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for PTC Resettable Fuses components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
