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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
.jpg "RS30-110")
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RS30-110PTC RESET FUSE 30V 1.1A RADIAL |
2,936 | - |
|
Datasheet | Radial, Disc | RS30 | Bulk | Active | Polymeric | 30V | 1.1 A | 2.2 A | 100 A | 6.6 s | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.201" (5.10mm) |
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PICOASMDCH016F-2PPTC-MINI-PSW |
6,539 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch®, picoASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 160 mA | 680 mA | 40 A | 100 ms | 800 mOhms | 6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.031" (0.80mm) | - |
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TRF250-120UST-B-0.5PTC RESET FUSE 60V 120MA RADIAL |
1,626 | - |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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MF-USML300-2PTC RESET FUSE 6V 3A 1210 |
4,716 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3 A | 6 A | 50 A | 4 s | 4 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
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MF-USML700-2PTC RESET FUSE 6V 7A 1210 |
7,914 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 7 A | 14 A | 50 A | 2 s | 1 mOhms | 13.5 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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RS90-090PTC RESET FUSE 72V 900MA RADIAL |
6,200 | - |
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Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" Dia x 0.122" T (11.70mm x 3.10mm) | 0.622" (15.80mm) | - | 0.201" (5.10mm) |
|
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MF-USML650-2PTC RESET FUSE 6V 6.5A 1210 |
7,423 | - |
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Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 6.5 A | 13 A | 50 A | 2 s | 1 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
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MICROSMD190LR-2PTC RESET FUSE 6V 1.9A 1210 |
3,000 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.9 A | 4.9 A | 50 A | 4 s | 6 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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TRF250-145-2PTC RESET FUSE 60V 145MA RADIAL |
1,700 | - |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 5 s | 3 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) | - | 0.200" (5.08mm) |
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PICOASMDCH050F-2PPTC-MINI-PSW |
3,844 | - |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch®, picoASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 500 mA | 1.7 A | 40 A | 100 ms | 250 mOhms | 1.6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.047" (1.20mm) | - |
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AGRF500-2PTC RESET FUSE 16V 5A RADIAL |
1,640 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Tape & Reel (TR) | Active | Polymeric | 16V | 5 A | 9.4 A | 100 A | 2.5 s | 14 mOhms | 34 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.614" (15.60mm) | - | 0.199" (5.05mm) |
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TRF250-120ST-RG-B-0.5PTC RESET FUSE 60V 120MA RADIAL |
1,904 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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RS60RB-075PTC RESET FUSE 60V 750MA RADIAL |
1,299 | - |
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Datasheet | Radial, Disc | RS60RB | Bulk | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
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MF-NSML190-2PTC RESET FUSE 6V 1.9A 1206 |
3,372 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.9 A | 4.9 A | 50 A | 1 s | 5 mOhms | 28 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
|
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MF-NSML200-2PTC RESET FUSE 6V 2A 1206 |
8,591 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2 A | 4 A | 50 A | 1 s | 5 mOhms | 25 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
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MF-NSML450-2PTC RESET FUSE 6V 4.5A 1206 |
6,839 | - |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 4.5 A | 9 A | 50 A | 2 s | 1 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.047" (1.20mm) | - |
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MICROSMD500LR-2PTC RESET FUSE 6V 5A 1210 |
2,662 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 5 A | 10 A | 50 A | 2 s | 2 mOhms | 7 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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VLP270FPTC RESET FUSE 16V 2.7A STRAP |
42,972 | - |
|
Datasheet | Strap | PolySwitch®, VLP | Bulk | Active | Polymeric | 16V | 2.7 A | 6.5 A | 60 A | 5 s | 12 mOhms | 36 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.201" W (22.00mm x 5.10mm) | - | 0.032" (0.80mm) | - |
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AGRF800S-1PTC RESET FUSE 16V 8A RADIAL |
9,994 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Bulk | Active | Polymeric | 16V | 8 A | 15 A | 100 A | 5.5 s | 17.5 mOhms | 18.1 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.118" L x 0.118" W (3.00mm x 3.00mm) | 0.874" (22.20mm) | - | 0.199" (5.05mm) |
|
VLP210XLFPTC RESET FUSE 16V 2.1A STRAP |
9,655 | - |
|
Datasheet | Strap | PolySwitch®, VLP | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.648" L x 0.280" W (16.45mm x 7.10mm) | - | 0.032" (0.80mm) | - |
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.
