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-USML350/12-2PTC RESET FUSE 12V 3.5A 1210 |
977 | - |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML/X | Tape & Reel (TR) | Active | Polymeric | 12V | 3.5 A | 7 A | 50 A | 5 s | 2 mOhms | 22 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
BK600-160-SYPTC RESET FUSE 500V 160MA RAD |
482 | - |
|
Datasheet | Radial, Disc | BK600 | Bulk | Active | Polymeric | 500V | 160 mA | 320 mA | 3 A | 7.5 s | 4 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.591" L x 0.256" W (15.00mm x 6.50mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
|
PTR030V0300-BKPTC RESET FUSE 30V 3A RADIAL |
6,456 | - |
|
Datasheet | Radial, Disc | PTR030V | Bulk | Active | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.681" (17.30mm) | - | 0.197" (5.00mm) |
|
|
PFRA.600PTC RESET FUSE 30V 6A RADIAL |
856 | - |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 6 A | 12 A | 40 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.760" L x 0.118" W (19.30mm x 3.00mm) | 1.256" (31.90mm) | - | 0.402" (10.20mm) |
|
|
MF-RHS700-0FUSE PTC RESET 7.0A 16V |
450 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 7 A | 14 A | 100 A | 6.8 s | 0.0085 Ohms | 0.019 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.465" L x 0.118" W (11.80mm x 3.00mm) | 0.917" (23.30mm) | - | 0.201" (5.10mm) |
|
RUEF500KPTC RESET FUSE 30V 5A RADIAL |
216 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 5 A | 10 A | 100 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 1.008" (25.60mm) | - | 0.400" (10.15mm) |
|
PFRA.800PTC RESET FUSE 30V 8A RADIAL |
1,000 | - |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 8 A | 16 A | 40 A | 18.8 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.953" L x 0.118" W (24.20mm x 3.00mm) | 1.295" (32.90mm) | - | 0.402" (10.20mm) |
|
|
0ZAF0013FF28LINE VOLTAGE RATED SURFACE MOUNT |
608 | - |
|
Datasheet | 2920 (7351 Metric), Concave | - | Tape & Reel (TR) | Active | Polymeric | 240V (250V Int) | 130 mA | 320 mA | 1.2 A | 15 s | 2 Ohms | 12 Ohms | 6 Ohms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.102" (2.60mm) | - |
|
|
MF-RHS400-0FUSE PTC RESET 4.0A 16V |
480 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 4 A | 8 A | 100 A | 5 s | 0.016 Ohms | 0.044 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.331" L x 0.118" W (8.40mm x 3.00mm) | 0.705" (17.90mm) | - | 0.201" (5.10mm) |
|
|
MF-RHS450-0FUSE PTC RESET 4.50A 16V |
499 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 4.5 A | 9 A | 100 A | 5.5 s | 0.0145 Ohms | 0.04 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.331" L x 0.118" W (8.40mm x 3.00mm) | 0.744" (18.90mm) | - | 0.201" (5.10mm) |
|
|
0ZAF0016FF28LINE VOLTAGE RATED SURFACE MOUNT |
1,418 | - |
|
Datasheet | 2920 (7351 Metric), Concave | - | Tape & Reel (TR) | Active | Polymeric | 240V (250V Int) | 160 mA | 370 mA | 2 A | 15 s | 2 Ohms | 11 Ohms | 6 Ohms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.102" (2.60mm) | - |
|
|
PFRA.900PTC RESET FUSE 30V 9A RADIAL |
580 | - |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 9 A | 18 A | 40 A | 20 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.953" L x 0.118" W (24.20mm x 3.00mm) | 1.295" (32.90mm) | - | 0.402" (10.20mm) |
|
|
MF-RHS550-0FUSE PTC RESET 5.5A 16V |
500 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 5.5 A | 11 A | 100 A | 10 s | 0.012 Ohms | 0.032 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.366" L x 0.118" W (9.30mm x 3.00mm) | 0.768" (19.50mm) | - | 0.201" (5.10mm) |
|
|
MF-RHS500-0FUSE PTC RESET 5.0A 16V |
495 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 5 A | 10 A | 100 A | 5.8 s | 0.0135 Ohms | 0.038 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.362" L x 0.118" W (9.20mm x 3.00mm) | 0.756" (19.20mm) | - | 0.201" (5.10mm) |
|
|
MF-RHS800-0FUSE PTC RESET 8.0A 16V |
469 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHS | Bulk | Active | Polymeric | 16V | 8 A | 16 A | 100 A | 8 s | 0.006 Ohms | 0.0145 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.504" L x 0.142" W (12.80mm x 3.60mm) | 0.972" (24.70mm) | - | 0.142" (3.60mm) |
|
PTCCL05H150HBEPTC RESET FUSE 265V 15MA RADIAL |
959 | - |
|
Datasheet | Radial, Disc | PTCCL - 265V | Bulk | Active | Ceramic | 265V | 15 mA | 23 mA | 110 mA | - | - | - | 1.9 kOhms | 0°C ~ 70°C | - | - | - | Through Hole | 0.197" Dia x 0.217" T (5.00mm x 5.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
|
PTCCL05H181DBEPTC RESET FUSE 30V 180MA RADIAL |
865 | - |
|
Datasheet | Radial, Disc | PTCCL - 30V | Bulk | Active | Ceramic | 30V | 180 mA | 270 mA | 1.7 A | - | - | - | 13 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.197" Dia x 0.157" T (5.00mm x 4.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
|
BK600-110-SYPTC RESET FUSE 500V 110MA RAD |
490 | - |
|
Datasheet | Radial, Disc | BK600 | Bulk | Active | Polymeric | 500V | 110 mA | 220 mA | 3 A | 5 s | 6 Ohms | 18 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.591" L x 0.256" W (15.00mm x 6.50mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
|
|
BK250-1000-DZPTC RESET FUSE 250V 1A RAD |
2,268 | - |
|
Datasheet | Radial, Disc | BK250 | Bulk | Active | Polymeric | 250V | 1 A | 2 A | 10 A | 21 s | 300 mOhms | 800 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.831" Dia x 0.181" T (21.10mm x 4.60mm) | 0.929" (23.60mm) | - | 0.402" (10.20mm) |
|
PTR016V0900-BKPTC RESET FUSE 16V 9A RADIAL |
6,688 | - |
|
Datasheet | Radial, Disc | PTR016V | Bulk | Active | Polymeric | 16V | 9 A | 15.3 A | 100 A | 5.5 s | 5 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.122" W (14.00mm x 3.10mm) | 0.862" (21.90mm) | - | 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.
