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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TRF250-120-2PTC RESET FUSE 60V 120MA RADIAL |
2,842 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 4 Ohms | 16 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-SMDF100/33X-2PTC RESETTABLE 1.1A 33V SMD 2018 |
2,643 | - |
|
Datasheet | 2018 (5045 Metric), Concave | Multifuse®, MF-SMDF | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 40 A | 500 ms | 60 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.049" (1.25mm) | - |
|
0ZTJ0020FF2EPTC RESET FUSE 30V 200MA 1206 |
1,567 | - |
|
Datasheet | 1206 (3216 Metric), Concave | 0ZTJ | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 500 mA | 10 A | 100 ms | 600 mOhms | 4.5 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.043" (1.10mm) | - |
|
PICOASMDC012S-2PTC RESET FUSE 15V 120MA 0805 |
3,201 | - |
|
Datasheet | 0805 (2012 Metric) | PolySwitch®, picoASMDC | Tape & Reel (TR) | Active | Polymeric | 15V | 120 mA | 300 mA | 20 A | 100 ms | 1.5 Ohms | 9 Ohms | - | - | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
|
RGEF900PTC RESET FUSE 16V 9A RADIAL |
1,460 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | 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 | 0.531" L x 0.100" W (13.50mm x 2.50mm) | 0.854" (21.70mm) | - | 0.199" (5.05mm) |
|
RUEF500-2PTC RESET FUSE 30V 5A RADIAL |
8,867 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | 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 0.120" W (14.00mm x 3.00mm) | 0.949" (24.10mm) | - | 0.400" (10.15mm) |
|
ASMD050F-2PTC RESET FUSE 60V 370MA 2SMD |
2,429 | - |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 60V | 370 mA | 980 mA | 10 A | 20 s | 290 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.125" (3.18mm) | - |
|
2920L600/12MRPTC RESET FUSE 12V 6A 2920 |
95,626 | - |
|
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) | - |
|
LVR040K-2PTC RESET FUSE 240V 400MA RADIAL |
7,688 | - |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Tape & Reel (TR) | 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) | - | 0.200" (5.08mm) |
|
0ZRM0110FF1EPTC RESET FUSE 120V 1.1A RADIAL |
3,657 | - |
|
Datasheet | Radial, Disc | 0ZRM | Box | Active | Polymeric | 120V | 1.1 A | 2.2 A | 8 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.524" Dia x 0.161" T (13.30mm x 4.10mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
RKEF400PTC RESET FUSE 60V 4A RADIAL |
5,526 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Bag | Active | Polymeric | 60V | 4 A | 8 A | 40 A | 24 s | 14 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.827" L x 0.118" W (21.00mm x 3.00mm) | 0.980" (24.90mm) | - | 0.400" (10.15mm) |
|
|
2920L600/16MRPTC RESET FUSE 16V 6.0A 2920 |
4,026 | - |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 16V | 6 A | 12 A | 40 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-R250-2PTC RESET FUSE 30V 2.5A RADIAL |
2,505 | - |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
30R400UFPTC RESET FUSE 30V 4A RADIAL |
1,921 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 30R | Bulk | Active | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.866" (22.00mm) | - | 0.201" (5.10mm) |
|
0ZRP0500FF2APTC RESET FUSE 60V 5A RADIAL |
21,862 | - |
|
Datasheet | Radial, Disc | 0ZRP | Tape & Reel (TR) | Active | Polymeric | 60V | 5 A | 10 A | 40 A | 28 s | 12 mOhms | 50 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.949" L x 0.118" W (24.10mm x 3.00mm) | 1.142" (29.00mm) | - | 0.402" (10.20mm) |
|
B59980C0120A070PTC RESET FUSE 80V 85MA RADIAL |
14,964 | - |
|
Datasheet | Radial, Disc | B59980 | Bulk | 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) |
|
PTCTL4MR500SBEPTC RESET FUSE 600V 50MA RADIAL |
9,827 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 600V | 50 mA | 140 mA | 1 A | 1 s | - | - | 50 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.315" Dia x 0.157" T (8.00mm x 4.00mm) | 0.453" (11.50mm) | - | 0.197" (5.00mm) |
|
30R300UPRPTC RESET FUSE 30V 3A RADIAL |
3,828 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 30R | Cut Tape (CT) | 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) | 0.756" (19.20mm) | - | 0.201" (5.10mm) |
|
|
0603L008YRPOLYSWITCH RESETTABLE PPTC |
3,782 | - |
|
Datasheet | 0603 (1608 Metric), Concave | POLY-FUSE®, 0603L | Tape & Reel (TR) | Active | Polymeric | 15V | 80 mA | 200 mA | 40 A | 1 s | 2.5 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.024" (0.60mm) | - |
|
250S130-RADRPTC RESET FUSE 60V 130MA 2SMD |
3,538 | - |
|
Datasheet | 2-SMD | POLY-FUSE®, 250S | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 130 mA | 260 mA | 3 A | 1.4 s | 6.5 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.370" L x 0.291" W (9.40mm x 7.40mm) | - | 0.146" (3.70mm) | - |
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.
