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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PFRA.090.009PTC RESET FUSE 30V 900MA RADIAL |
4,180 | - |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 900 mA | 1.8 A | 40 A | 5.9 s | 70 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" Dia x 0.122" T (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
|
AHRF450PTC RESET FUSE 16V 4.5A RADIAL |
4,462 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 16V | 4.5 A | 8.7 A | 100 A | 4 s | 17 mOhms | 54 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
|
0ZRA0300FF2DPTC RESET FUSE 16V 3A RADIAL |
2,699 | - |
|
Datasheet | Radial, Disc | 0ZRA | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | 5.1 A | 100 A | 2 s | 34 mOhms | 105 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.280" L x 0.118" W (7.10mm x 3.00mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
|
0ZRB0185FF2EPTC RESET FUSE 30V 1.85A RADIAL |
4,077 | - |
|
Datasheet | Radial, Disc | 0ZRB | Tape & Reel (TR) | Active | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.201" (5.10mm) |
|
PTR030V0185-BKPTC RESET FUSE 30V 1.85A RADIAL |
2,368 | - |
|
Datasheet | Radial, Disc | PTR030V | Bulk | Active | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.197" (5.00mm) |
|
AHRF600PTC RESET FUSE 16V 6A RADIAL |
2,768 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | 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) | - | 0.199" (5.05mm) |
|
MF-SM260-2PTC RESET FUSE 6V 2.6A 2SMD |
7,302 | - |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 6V | 2.6 A | 5.2 A | 100 A | 20 s | 25 mOhms | 75 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) | - |
|
0ZRG0075FF2EPTC RESET FUSE 30V 750MA RADIAL |
2,213 | - |
|
Datasheet | Radial, Disc | 0ZRG | Tape & Reel (TR) | Active | Polymeric | 30V | 750 mA | 1.3 A | 40 A | 400 ms | 80 mOhms | 230 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.272" Dia x 0.118" T (6.90mm x 3.00mm) | 0.449" (11.40mm) | - | 0.201" (5.10mm) |
|
RXEF090-APPTC RESET FUSE 72V 900MA RADIAL |
2,207 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Cut Tape (CT) | Active | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" Dia x 0.118" T (11.20mm x 3.00mm) | 0.622" (15.80mm) | - | 0.199" (5.05mm) |
|
LR4-600XFPTC RESET FUSE 20V 6A STRAP |
3,129 | - |
|
Datasheet | Strap | PolySwitch®, LR4 | Bulk | Active | Polymeric | 20V | 6 A | 11.7 A | 100 A | 5 s | 7 mOhms | 19 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.638" L x 0.283" W (41.60mm x 7.20mm) | - | 0.039" (1.00mm) | - |
|
RGEF300KPTC RESET FUSE 16V 3A RADIAL |
3,717 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 3 A | 5.1 A | 100 A | 1 s | 38 mOhms | 97.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.260" L x 0.098" W (6.60mm x 2.50mm) | 0.535" (13.60mm) | - | 0.199" (5.05mm) |
|
|
PFRA.160PTC RESET FUSE 30V 1.6A RADIAL |
7,026 | - |
|
Datasheet | Radial, Disc | PFRA | Bulk | Active | Polymeric | 30V | 1.6 A | 3.2 A | 40 A | 8 s | 55 mOhms | 150 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.661" (16.80mm) | - | 0.201" (5.10mm) |
|
SMD250F/15-2920-2PTC RESET FUSE 15V 2.5A 2SMD |
7,742 | - |
|
Datasheet | 2-SMD | PolySwitch®, SMD | Tape & Reel (TR) | Active | Polymeric | 15V | 2.5 A | 5 A | 40 A | 10 s | 35 mOhms | 85 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.118" (3.00mm) | - |
|
72R135XFPTC RESET FUSE 72V 1.35A RADIAL |
7,634 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 72R | Bulk | Active | Polymeric | 72V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.535" Dia x 0.122" T (13.58mm x 3.10mm) | 0.780" (19.80mm) | - | 0.201" (5.10mm) |
|
MF-VS210-0PTC RESET FUSE 16V 2.1A STRAP |
4,944 | - |
|
Datasheet | Strap | Multifuse®, MF-VS | Bulk | Active | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.035" (0.90mm) | - |
|
MF-R017-2PTC RESET FUSE 60V 170MA RADIAL |
7,818 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 2 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
|
RHEF400-2PTC RESET FUSE 16V 4A RADIAL |
6,258 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RHEF | Tape & Reel (TR) | Active | Polymeric | 16V | 4 A | 7.5 A | 100 A | 5 s | 24 mOhms | 60 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.394" L x 0.118" W (10.00mm x 3.00mm) | 0.591" (15.00mm) | - | 0.199" (5.05mm) |
|
0ZRF0008FF2BPTC RESET FUSE 60V 80MA RADIAL |
5,835 | - |
|
Datasheet | Radial, Disc | 0ZRF | Tape & Reel (TR) | Active | Polymeric | 60V | 80 mA | 240 mA | 3 A | 4 s | 14 Ohms | 33 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.288" L x 0.181" W (5.80mm x 4.60mm) | 0.378" (9.60mm) | - | 0.197" (5.00mm) |
|
B59950C0080A070PTC RESET FUSE 80V 170MA RADIAL |
8,403 | - |
|
Datasheet | Radial, Disc | B59950 | Bulk | Active | Ceramic | 80V | 170 mA | 350 mA | 5.5 A | - | - | - | 3.7 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.532" Dia x 0.138" T (13.50mm x 3.50mm) | 0.669" (17.00mm) | - | 0.197" (5.00mm) |
|
RGEF600KPTC RESET FUSE 16V 6A RADIAL |
6,509 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 6 A | 10.2 A | 100 A | 3.3 s | 10 mOhms | 28 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.421" L x 0.098" W (10.70mm x 2.50mm) | 0.709" (18.00mm) | - | 0.199" (5.05mm) |
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.
