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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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BK30-700-SZPTC RESET FUSE 30V 7A RAD |
7,770 | - |
|
Datasheet | Radial, Disc | BK30 | Bulk | Active | Polymeric | 30V | 7 A | 14 A | 40 A | 17.5 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.689" L x 0.122" W (17.50mm x 3.10mm) | 1.083" (27.50mm) | - | 0.413" (10.50mm) |
|
PTGL09AR1R8H2B51B0PTC RESET FUSE 30V 510MA RADIAL |
6,937 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 510 mA | 970 mA | 3 A | - | - | - | 1.8 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.374" Dia x 0.157" T (9.50mm x 4.00mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
|
SMD0805P050TSAPTC RESET FUSE 6V 500MA 0805 |
9,378 | - |
|
Datasheet | 0805 (2012 Metric), Concave | POLY-FUSE®, SMD0805 | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 500 mA | 1 A | 40 A | 100 ms | 150 mOhms | 850 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.039" (1.00mm) | - |
|
PTCTL4MR250GTE043PTC RESET FUSE 245V 70MA RADIAL |
8,078 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 245V | 70 mA | 200 mA | 4 A | 2.5 s | - | - | 25 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.335" Dia x 0.197" T (8.50mm x 5.00mm) | 0.453" (11.50mm) | - | 0.197" (5.00mm) |
|
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MF-RG400-0-14PTC RESETTABLE 4A 16V RADIAL LEA |
2,258 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Bulk | Active | Polymeric | 16V | 4 A | 6.8 A | 100 A | 1.7 s | 21 mOhms | 60 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.390" L x 0.118" W (9.90mm x 3.00mm) | 0.504" (12.80mm) | - | 0.201" (5.10mm) |
|
PTGL07AS5R6K4N51B0PTC RESET FUSE 60V 186MA RADIAL |
9,056 | - |
|
Datasheet | Radial, Disc | POSISTOR® PTGL | Bulk | Obsolete | Ceramic | 60V | 186 mA | 368 mA | 2.2 A | - | - | - | 5.6 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.287" Dia x 0.138" W (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
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0ZRN0550FF1EPTC RESET FUSE 16V 5.5A RADIAL |
4,505 | - |
|
Datasheet | Radial, Disc | 0ZRN | Bulk | 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) |
|
0ZRM0135FF1APTC RESET FUSE 120V 1.35A RADIAL |
9,358 | - |
|
Datasheet | Radial, Disc | 0ZRM | Box | Active | Polymeric | 120V | 1.35 A | 2.7 A | 10 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.610" Dia x 0.161" T (15.50mm x 4.10mm) | 0.811" (20.60mm) | - | 0.201" (5.10mm) |
|
0ZRN0400FF2DPTC RESET FUSE 16V 4A RADIAL |
7,275 | - |
|
Datasheet | Radial, Disc | 0ZRN | Tape & Reel (TR) | Active | Polymeric | 16V | 4 A | 7 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) |
|
0ZRP0400FF2APTC RESET FUSE 60V 4A RADIAL |
6,304 | - |
|
Datasheet | Radial, Disc | 0ZRP | Tape & Reel (TR) | Active | Polymeric | 60V | 4 A | 8 A | 40 A | 24 s | 14 mOhms | 60 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.827" L x 0.118" W (21.00mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
|
0ZCE0100FF2EPTC RESET FUSE 6V 1A 0805 |
7,692 | - |
|
Datasheet | 0805 (2012 Metric), Concave | 0ZCE | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1 A | 1.95 A | 40 A | 300 ms | 60 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.071" (1.80mm) | - |
|
MINISMDC100F-2PTC RESET FUSE 8V 1.1A 1812 |
9,550 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 8V | 1.1 A | 2.2 A | 100 A | 300 ms | 40 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.024" (0.62mm) | - |
|
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SMD1812P010TFAPTC RESET FUSE 30V 100MA 1812 |
6,676 | - |
|
Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, SMD1812 | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 100 mA | 300 mA | 10 A | 1.5 s | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.039" (1.00mm) | - |
|
MF-RX375/72-0-14FUSE PTC RESETTABLE |
2,731 | - |
|
Datasheet | Radial, Disc | MF-RX/72 | Bulk | Active | - | 72V | 3.75 A | 7.5 A | 40 A | 24 s | - | - | - | - | - | - | - | Through Hole | 1.118" L x 0.122" W (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
|
|
MF-RX375/72-APPTC RESET FUSE 72V 3.75A RADIAL |
7,628 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.926" L x 0.122" W (23.51mm x 3.10mm) | 1.161" (29.50mm) | - | 0.402" (10.20mm) |
|
|
MF-R800-APPTC RESET FUSE 30V 8A RADIAL |
3,947 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | 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) |
|
MF-RG650-APPTC RESET FUSE 16V 6.5A RADIAL |
2,849 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Tape & Box (TB) | 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) |
|
|
MF-R600-AP-14PTC RESETTABLE 6.0A 30V RADIAL L |
8,408 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 6 A | 12 A | 40 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.760" L x 0.118" W (19.30mm x 3.00mm) | 1.256" (31.90mm) | - | 0.402" (10.20mm) |
|
|
MF-RG400-2-14PTC RESETTABLE 4A 16V RADIAL LEA |
7,490 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Tape & Reel (TR) | Active | Polymeric | 16V | 4 A | 6.8 A | 100 A | 1.7 s | 21 mOhms | 60 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.390" L x 0.118" W (9.90mm x 3.00mm) | 0.504" (12.80mm) | - | 0.201" (5.10mm) |
|
|
MF-RHT650-AP-14PTC 6.5A 16V RADIAL LEADED HI-TE |
2,230 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Box (TB) | 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) | - | 0.201" (5.10mm) |
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.
