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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RS90-055PTC RESET FUSE 72V 550MA RADIAL |
484 |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 550 mA | 1.2 A | 40 A | 10 s | 400 mOhms | 1.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
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RS90-050PTC RESET FUSE 72V 500MA RADIAL |
472 |
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Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 500 mA | 1 A | 40 A | 4 s | 500 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.122" T (7.90mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
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RS30-090PTC RESET FUSE 30V 900MA RADIAL |
386 |
|
Datasheet | Radial, Disc | RS30 | Bulk | Active | Polymeric | 30V | 900 mA | 1.8 A | 100 A | 5.9 s | 70 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.201" (5.10mm) |
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RGEF500-APPTC RESET FUSE 16V 5A RADIAL |
152 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Cut Tape (CT) | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 15 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.390" L x 0.098" W (9.90mm x 2.50mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
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PICOASMDCH035F-2PPTC-MINI-PSW |
744 |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch®, picoASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 350 mA | 1.1 A | 40 A | 100 ms | 300 mOhms | 1.9 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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RXEF185-APPTC RESET FUSE 72V 1.85A RADIAL |
209 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Cut Tape (CT) | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.689" Dia x 0.118" T (17.50mm x 3.00mm) | 0.882" (22.40mm) | - | 0.199" (5.05mm) |
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RXEF185K-APPTC RESET FUSE 72V 1.85A RADIAL |
218 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Cut Tape (CT) | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.660" Dia x 0.118" T (16.76mm x 3.00mm) | 0.906" (23.00mm) | - | 0.199" (5.05mm) |
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FRV100-240FRESETTABLE FUSE - PPTC RADIAL LE |
240 |
|
Datasheet | Radial, Disc | FRV | Bulk | Active | - | 240V (265V Int) | 1 A | 2 A | 10 A | 21 s | 220 mOhms | 580 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.736" Dia (18.70mm) | 0.961" (24.40mm) | - | 0.402" (10.20mm) |
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RS90-065PTC RESET FUSE 72V 650MA RADIAL |
229 |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 650 mA | 1.3 A | 40 A | 5.3 s | 310 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.571" (14.50mm) | - | 0.201" (5.10mm) |
.jpg "RS90-075")
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RS90-075PTC RESET FUSE 72V 750MA RADIAL |
249 |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 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-RX018/250-0PTC RESET FUSE 60V 180MA RADIAL |
1,527 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/250 | Bulk | Active | Polymeric | 60V (250V Int) | 180 mA | - | 10 A | - | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.433" L x 0.181" W (11.00mm x 4.60mm) | 0.535" (13.60mm) | - | 0.201" (5.10mm) |
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RUEF500K-APPTC RESET FUSE 30V 5A RADIAL |
1,578 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | 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 0.118" W (14.00mm x 3.00mm) | 1.008" (25.60mm) | - | 0.400" (10.15mm) |
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FRV125-240FRESETTABLE FUSE - PPTC RADIAL LE |
220 |
|
Datasheet | Radial, Disc | FRV | Bulk | Active | - | 240V (265V Int) | 1.25 A | 2.5 A | 12.5 A | 23 s | 170 mOhms | 440 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.835" Dia (21.20mm) | 1.079" (27.40mm) | - | 0.402" (10.20mm) |
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0ZSC0260FF1EPTC RESET FUSE 20V 2.6A STRAP |
710 |
|
Datasheet | Strap | 0ZSC | Bulk | Active | Polymeric | 20V | 2.6 A | 5.8 A | 100 A | 5 s | 20 mOhms | 63 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.039" (1.00mm) | - |
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R2920-100-60-RPTC RESET FUSE 60V 1.1A 2920 |
1,000 |
|
Datasheet | 2920 (7351 Metric), Concave | R2920 | Tape & Reel (TR) | Active | Polymeric | 60V | 1.1 A | 2.2 A | 100 A | 500 ms | 90 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.067" (1.70mm) | - |
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RS120-025PTC RESET FUSE 120V 250MA RADIAL |
913 |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 250 mA | 500 mA | 3 A | 7.5 s | 1.25 Ohms | 3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.150" T (7.90mm x 3.80mm) | 0.512" (13.00mm) | - | 0.201" (5.10mm) |
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RS90-110PTC RESET FUSE 72V 1.1A RADIAL |
499 |
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Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.512" Dia x 0.122" T (13.00mm x 3.10mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
.jpg "RS120-010")
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RS120-010PTC RESET FUSE 120V 100MA RADIAL |
1,781 |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 100 mA | 200 mA | 2 A | 10 s | 3 Ohms | 7.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.150" T (7.90mm x 3.80mm) | 0.512" (13.00mm) | - | 0.201" (5.10mm) |
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FRV150-240FRESETTABLE FUSE - PPTC RADIAL LE |
250 |
|
Datasheet | Radial, Disc | FRV | Bulk | Active | - | 240V (265V Int) | 1.5 A | 3 A | 15 A | 23 s | 120 mOhms | 320 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.921" Dia (23.40mm) | 1.217" (30.90mm) | - | 0.402" (10.20mm) |
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LVR040S-2PTC RESET FUSE 240V 400MA RADIAL |
385 |
|
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) | 0.768" (19.50mm) | - | 0.200" (5.08mm) |
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.
