PTC Resettable Fuses
Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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) |
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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) |
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06R075BUPTC RESET FUSE 6V 750MA RADIAL |
3,997 |
|
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 |
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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 |
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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 |
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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) |
Frequently Asked Questions
What are PTC Resettable Fuses components used for?
PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right PTC Resettable Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
