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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PTGL12AS4R7K6B51B0PTC RESET FUSE 140V 393MA RADIAL |
6,879 | - |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 393 mA | 523 mA | 3.5 A | - | - | - | 4.7 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.453" Dia x 0.138" T (11.50mm x 3.50mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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AHRF250PTC RESET FUSE 16V 2.5A RADIAL |
9,282 | - |
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Datasheet | Radial, Disc | PolySwitch®, AHRF | Bulk | Active | Polymeric | 16V | 2.5 A | - | 100 A | - | - | - | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | - | - | - | - |
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LR4-73XFPTC RESET FUSE 730MA STRAP |
7,773 | - |
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Datasheet | Strap | PolySwitch®, LR4 | Bulk | Active | Polymeric | - | 730 mA | - | 100 A | - | - | - | - | -40°C ~ 85°C | - | - | - | User Defined | 1.831" L x 0.323" W (46.50mm x 8.20mm) | - | 0.039" (1.00mm) | - |
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LVR040K-1PTC RESET FUSE 240V 400MA RADIAL |
9,021 | - |
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Datasheet | Radial, Disc | PolySwitch®, LVR | Bulk | 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) |
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TS250-130F-RC-2PTC RESET FUSE 60V 130MA 2SMD |
3,787 | - |
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Datasheet | 2-SMD | PolySwitch®, TS250 | Tape & Reel (TR) | Active | Polymeric | 60V (600V Int) | 130 mA | 260 mA | 1 A | 2 s | 7 Ohms | 17 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.352" L x 0.291" W (8.95mm x 7.40mm) | - | 0.134" (3.40mm) | - |
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VTP170SSFPTC RESET FUSE 16V 1.7A STRAP |
5,871 | - |
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Datasheet | Strap | PolySwitch®, VTP | Bulk | Active | Polymeric | 16V | 1.7 A | 3.4 A | 100 A | 5 s | 30 mOhms | 105 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.648" L x 0.283" W (16.45mm x 7.20mm) | - | 0.032" (0.80mm) | - |
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VTP/200GFPTC RESET FUSE 16V 2A STRAP |
7,994 | - |
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Datasheet | Strap | PolySwitch®, VTP | Bulk | Active | Polymeric | 16V | 2 A | 4.7 A | 100 A | 5 s | 22 mOhms | 78 mOhms | - | - | - | - | - | User Defined | 0.909" L x 0.177" W (23.10mm x 4.50mm) | - | 0.032" (0.80mm) | - |
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06R155BUPTC RESET FUSE 6V 1.55A RADIAL |
4,359 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 6V | 1.55 A | 2.7 A | 40 A | 2.2 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.118" T (6.90mm x 3.00mm) | 0.449" (11.40mm) | - | 0.201" (5.10mm) |
|
06R120BUPTC RESET FUSE 6V 1.2A RADIAL |
3,815 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 6V | 1.2 A | 2 A | 40 A | 500 ms | 65 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.118" T (6.90mm x 3.00mm) | 0.449" (11.40mm) | - | 0.201" (5.10mm) |
|
06R075BUPTC RESET FUSE 6V 750MA RADIAL |
3,997 | - |
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Datasheet | Radial, Disc | POLY-FUSE®, USBR | Bulk | Obsolete | Polymeric | 6V | 750 mA | 1.3 A | 40 A | 400 ms | 100 mOhms | 230 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.118" T (6.90mm x 3.00mm) | 0.449" (11.40mm) | - | 0.201" (5.10mm) |
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250R120-R1ZRPTC RESET FUSE 60V 120MA RADIAL |
6,541 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 6 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) | - | 0.201" (5.10mm) |
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250R120-R3UPTC RESET FUSE 60V 120MA RADIAL |
2,714 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 8 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) | - | 0.201" (5.10mm) |
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250R120-R2UPTC RESET FUSE 60V 120MA RADIAL |
7,946 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 8 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) | - | 0.201" (5.10mm) |
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250R120-RAUPTC RESET FUSE 60V 120MA RADIAL |
5,591 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 7 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) | - | 0.201" (5.10mm) |
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250R120-R3ZRPTC RESET FUSE 60V 120MA RADIAL |
2,117 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 8 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) | - | 0.201" (5.10mm) |
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250R120TZRPTC RESET FUSE 60V 120MA RADIAL |
7,813 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 7 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) | - | 0.201" (5.10mm) |
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250R145-RAUPTC RESET FUSE 60V 145MA RADIAL |
6,714 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
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250R120TUPTC RESET FUSE 60V 120MA RADIAL |
8,131 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 7 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) | - | 0.201" (5.10mm) |
|
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250R120-RFZRPTC RESET FUSE 60V 120MA RADIAL |
2,516 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 6 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) | - | 0.201" (5.10mm) |
|
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250R120-RFUPTC RESET FUSE 60V 120MA RADIAL |
2,184 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Bulk | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 6 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) | - | 0.201" (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.
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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.
