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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TRF250-145-RA-B-0.5PTC RESET FUSE 60V 145MA RADIAL |
9,499 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
|
MF-RHT400-0PTC RESET FUSE 16V 4A RADIAL |
2,500 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bag | Active | Polymeric | 16V | 4 A | 7.5 A | 100 A | 5 s | 24 mOhms | 60 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.394" L x 0.118" W (10.00mm x 3.00mm) | 0.591" (15.00mm) | - | 0.201" (5.10mm) |
|
|
MF-RHT300-0PTC RESET FUSE 16V 3A RADIAL |
2,195 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bag | Active | Polymeric | 16V | 3 A | 6 A | 100 A | 5 s | 33 mOhms | 79 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.346" L x 0.118" W (8.80mm x 3.00mm) | 0.543" (13.80mm) | - | 0.201" (5.10mm) |
|
RGEF900-2PTC RESET FUSE 16V 9A RADIAL |
1,996 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 9 A | 15.3 A | 100 A | 5.5 s | 4.7 mOhms | 13.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.532" L x 0.100" W (13.50mm x 2.50mm) | 0.854" (21.70mm) | - | 0.199" (5.05mm) |
|
RHEF650-2PTC RESET FUSE 16V 6.5A RADIAL |
1,480 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RHEF | Tape & Reel (TR) | Active | Polymeric | 16V | 6.5 A | 12 A | 100 A | 5.5 s | 11 mOhms | 26 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.874" (22.20mm) | - | 0.199" (5.05mm) |
|
MF-NSML175/12-2PTC RESET FUSE 12V 1.75A 1206 |
3,953 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 1.75 A | 3.5 A | 50 A | 5 s | 6 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.028" (0.70mm) | - |
|
MF-RG1100-0PTC RESET FUSE 16V 11A RADIAL |
2,993 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Bulk | Active | Polymeric | 16V | 11 A | 18.7 A | 100 A | 15.2 s | 3 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.689" L x 0.118" W (17.50mm x 3.00mm) | 0.988" (25.10mm) | - | 0.201" (5.10mm) |
|
250R120-RCZRPTC RESET FUSE 60V 120MA RADIAL |
5,407 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Cut Tape (CT) | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 3 s | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
MF-RM040/240-0PTC RESET FUSE 240V 400MA RADIAL |
2,840 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RM | Bulk | Active | Polymeric | 240V (265V Int) | 400 mA | 900 mA | 5.5 A | 24 s | 600 mOhms | 1.9 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.823" (20.90mm) | - | 0.114" (2.90mm) |
|
|
MF-RHT550-0PTC RESET FUSE 16V 5.5A RADIAL |
2,715 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bag | Active | Polymeric | 16V | 5.5 A | 10 A | 100 A | 6 s | 15 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) | - | 0.201" (5.10mm) |
|
2920L600/12MR-APTC RESET FUSE 12V 6A 2920 |
2,367 | - |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 12V | 6 A | 12 A | 50 A | 2 s | 4 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.063" (1.60mm) | - |
|
|
MF-RG650-0PTC RESET FUSE 16V 6.5A RADIAL |
2,850 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Bag | Active | Polymeric | 16V | 6.5 A | 11.1 A | 100 A | 3.5 s | 8.8 mOhms | 24 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.776" (19.70mm) | - | 0.201" (5.10mm) |
|
AHRF600-2PTC RESET FUSE 16V 6A RADIAL |
1,998 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Tape & Reel (TR) | Active | Polymeric | 16V | 6 A | 12 A | 100 A | 6.5 s | 10 mOhms | 32 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.827" (21.00mm) | - | 0.200" (5.08mm) |
|
MF-RHT650-0PTC RESET FUSE 16V 6.5A RADIAL |
2,665 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 6.5 A | 12 A | 100 A | 5.5 s | 11 mOhms | 26 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.874" (22.20mm) | - | 0.114" (2.90mm) |
|
|
MICROASMDCH150F-2PPTC-MINI-PSW |
1,215 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microASMD | Tape & Reel (TR) | Active | Polymeric | 12V | 1.5 A | 4.5 A | 40 A | 1 s | 25 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.055" (1.40mm) | - |
|
TRF250-145T-B-0.5PTC RESET FUSE 60V 145MA RADIAL |
1,970 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
|
PTCCL05H630HTEPTC RESET FUSE 265V 63MA RADIAL |
1,450 | - |
|
Datasheet | Radial, Disc | PTCCL - 265V | Tape & Reel (TR) | Active | Ceramic | 265V | 63 mA | 95 mA | 450 mA | - | - | - | 120 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.197" Dia x 0.197" T (5.00mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
LSP550PTC RESET FUSE 16V 5.5A |
9,778 | - |
|
Datasheet | Strap | PolySwitch®, LSP | Bag | Active | Polymeric | 16V | 5.5 A | 10.2 A | 50 A | 5 s | 8 mOhms | 26 mOhms | 13 mOhms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | User Defined | 0.787" L x 0.402" W (20.00mm x 10.20mm) | - | 0.035" (0.90mm) | - |
|
|
MF-RG600-0PTC RESET FUSE 16V RADIAL DISC |
4,638 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Bulk | Active | Polymeric | 16V | - | 18.7 A | 100 A | - | 3 mOhms | 10 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.421" L x 0.118" W (10.70mm x 3.00mm) | 0.673" (17.10mm) | - | 0.201" (5.10mm) |
|
|
B59980C0120A051PTC RESET FUSE 80V 85MA RADIAL |
2,712 | - |
|
Datasheet | Radial, Disc | B59980 | Tape & Reel (TR) | Active | Ceramic | 80V | 85 mA | 170 mA | 1 A | - | - | - | 25 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.256" Dia x 0.138" T (6.50mm x 3.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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.
