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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TS120A-3851DUAL SINGLE SHOT TIMER |
2,769 |
|
Datasheet | - | - | Box | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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RXE300PTC RESET FUSE 72V 3A RADIAL |
9,500 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | - | - | - | - | Through Hole | 0.941" Dia x 0.118" T (23.90mm x 3.00mm) | 1.126" (28.60mm) | - | 0.400" (10.15mm) |
|
RXE050PTC RESET FUSE 72V 500MA RADIAL |
5,195 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 500 mA | 1 A | 40 A | 4 s | 500 mOhms | 1.17 Ohms | - | - | - | - | - | Through Hole | 0.311" Dia x 0.118" T (7.90mm x 3.00mm) | 0.539" (13.70mm) | - | 0.199" (5.05mm) |
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RXE090PTC RESET FUSE 72V 900MA RADIAL |
3,475 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | - | - | - | - | Through Hole | 0.441" Dia x 0.118" T (11.20mm x 3.00mm) | 0.622" (15.80mm) | - | 0.199" (5.05mm) |
|
RXE065PTC RESET FUSE 60V 650MA RADIAL |
7,790 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 5.3 s | 310 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.571" (14.50mm) | - | 0.199" (5.05mm) |
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TR250-120PTC RESET FUSE 250V 120MA RADIAL |
2,527 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 250V (60V Int) | 120 mA | - | 3 A | 1.5 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) |
|
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TR250-180UPTC RESET FUSE 180MA RADIAL |
3,265 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | - | - | 180 mA | - | - | - | - | - | - | - | - | - | - | Through Hole | 0.409" L x 0.142" W (10.40mm x 3.60mm) | 0.496" (12.60mm) | - | 0.197" (5.00mm) |
|
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RUE800PTC RESET FUSE 30V 8A RADIAL |
6,742 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 8 A | 16 A | 40 A | 18.8 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.850" L x 0.118" W (21.60mm x 3.00mm) | 1.150" (29.20mm) | - | 0.402" (10.20mm) |
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RXE135PTC RESET FUSE 60V 1.35A RADIAL |
5,919 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" Dia x 0.118" T (14.50mm x 3.00mm) | 0.752" (19.10mm) | - | 0.199" (5.05mm) |
|
TR250-145UPTC RESET FUSE 250V 145MA RADIAL |
7,367 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 250V (60V Int) | 145 mA | - | 3 A | 2 s | 3.5 Ohms | 12 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) |
|
TR250-120UPTC RESET FUSE 250V 120MA RADIAL |
9,079 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 250V (60V Int) | 120 mA | - | 3 A | 1 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) | - | 0.197" (5.00mm) |
|
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TR250-145PTC RESET FUSE 250V 145MA RADIAL |
5,297 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 250V (60V Int) | 145 mA | - | 3 A | 2.5 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) | - | 0.197" (5.00mm) |
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RXE075PTC RESET FUSE 60V 750MA RADIAL |
5,246 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.598" (15.20mm) | - | 0.199" (5.05mm) |
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RUE185PTC RESET FUSE 30V 1.85A RADIAL |
8,338 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | 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) | - | 0.201" (5.10mm) |
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RUE160PTC RESET FUSE 30V 1.6A RADIAL |
7,956 |
|
Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 30V | 1.6 A | 3.2 A | 40 A | 8 s | 30 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
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RUE400PTC RESET FUSE 30V 4A RADIAL |
4,765 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | 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 0.120" W (14.00mm x 3.00mm) | 0.831" (21.10mm) | - | 0.201" (5.10mm) |
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RXE030PTC RESET FUSE 72V 300MA RADIAL |
5,958 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 300 mA | 600 mA | 40 A | 3 s | 880 mOhms | 2.1 Ohms | - | - | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
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RXE020PTC RESET FUSE 72V 200MA RADIAL |
5,494 |
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Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 200 mA | 400 mA | 40 A | 2.2 s | 1.83 Ohms | 4.4 Ohms | - | - | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.461" (11.70mm) | - | 0.199" (5.05mm) |
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RXE025PTC RESET FUSE 72V 250MA RADIAL |
7,598 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 250 mA | 500 mA | 40 A | 2.5 s | 1.25 Ohms | 3 Ohms | - | - | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
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RXE040PTC RESET FUSE 72V 400MA RADIAL |
3,509 |
|
Datasheet | Radial, Disc | PolySwitch®, RXE | Bulk | Obsolete | Polymeric | 72V | 400 mA | 800 mA | 40 A | 3.8 s | 550 mOhms | 1.29 Ohms | - | - | - | - | - | Through Hole | 0.299" Dia x 0.118" T (7.60mm x 3.00mm) | 0.532" (13.50mm) | - | 0.199" (5.05mm) |
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.
