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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MF-SM150-2PTC RESET FUSE 15V 1.5A 2SMD |
3,735 |
|
Datasheet | 2-SMD | Multifuse®, MF-SM | Tape & Reel (TR) | Active | Polymeric | 15V | 1.5 A | 3 A | 100 A | 5 s | 60 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.344" L x 0.264" W (8.75mm x 6.71mm) | - | 0.118" (3.00mm) | - |
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MINIASMDC020F-2PTC RESET FUSE 30V 200MA 1812 |
2,826 |
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Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 400 mA | 10 A | 20 ms | 600 mOhms | 3.3 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.035" (0.89mm) | - |
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PRG21AR220MS1RKPTC RESET FUSE 16V 75MA 0805 |
2,600 |
|
Datasheet | 0805 (2012 Metric) | POSISTOR®, PRG | Tape & Reel (TR) | Active | Ceramic | 16V | 75 mA | 195 mA | 900 mA | - | - | - | 22 Ohms | -40°C ~ 105°C | - | - | - | Surface Mount | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | 0.057" (1.45mm) | - |
|
MF-SMDF150-2PTC RESET FUSE 15V 1.5A 2018 |
57,674 |
|
Datasheet | 2018 (5045 Metric), Concave | Multifuse®, MF-SMDF | Tape & Reel (TR) | Active | Polymeric | 15V | 1.5 A | 3 A | 40 A | 800 ms | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.033" (0.85mm) | - |
|
MF-R075-2PTC RESET FUSE 60V 750MA RADIAL |
21,356 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 180 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.630" (16.00mm) | - | 0.201" (5.10mm) |
|
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MF-R185PTC RESET FUSE 30V 1.85A RADIAL |
11,232 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" Dia x 0.118" T (12.00mm x 3.00mm) | 0.724" (18.40mm) | - | 0.201" (5.10mm) |
|
RXEF065-2PTC RESET FUSE 72V 650MA RADIAL |
10,420 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 72V | 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) | - | 0.200" (5.08mm) |
|
MF-R160PTC RESET FUSE 30V 1.6A RADIAL |
4,872 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 30V | 1.6 A | 3.2 A | 40 A | 8 s | 55 mOhms | 150 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.661" (16.80mm) | - | 0.201" (5.10mm) |
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RXEF090PTC RESET FUSE 72V 900MA RADIAL |
4,704 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" Dia x 0.118" T (11.20mm x 3.00mm) | 0.622" (15.80mm) | - | 0.199" (5.05mm) |
|
RUEF160-2PTC RESET FUSE 30V 1.6A RADIAL |
4,653 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 1.6 A | 3.2 A | 100 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) | - | 0.199" (5.05mm) |
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MINISMDC300F-2PTC RESET FUSE 6V 3A 1812 |
4,330 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 6 A | 100 A | 5 s | 11 mOhms | 36 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.76mm) | - |
|
RKEF050-APPTC RESET FUSE 60V 500MA RADIAL |
3,898 |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Cut Tape (CT) | Active | Polymeric | 60V | 500 mA | 1 A | 40 A | 800 ms | 320 mOhms | 900 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.280" L x 0.140" W (7.10mm x 3.56mm) | 0.450" (11.43mm) | - | 0.199" (5.05mm) |
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0ZRE0012FF1CPTC RESET FUSE 240V 120MA RADIAL |
3,770 |
|
Datasheet | Radial, Disc | 0ZRE | Box | Active | Polymeric | 240V | 120 mA | 300 mA | 2 A | 15 s | 3 Ohms | 12 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.327" L x 0.150" W (8.30mm x 3.80mm) | 0.421" (10.70mm) | - | 0.201" (5.10mm) |
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60R020XPRPTC RESET FUSE 60V 200MA RADIAL |
2,882 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 60R | Cut Tape (CT) | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2.2 s | 1.83 Ohms | 4.4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
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RXEF005-2PTC RESET FUSE 60V 50MA RADIAL |
2,203 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 100 mA | 40 A | 5 s | 7.3 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.315" Dia x 0.118" T (8.00mm x 3.00mm) | 0.327" (8.30mm) | - | 0.199" (5.05mm) |
|
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RUEF185-2PTC RESET FUSE 30V 1.85A RADIAL |
40,617 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 1.85 A | 3.7 A | 100 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) | - | 0.199" (5.05mm) |
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MF-RX135/72-2PTC RESET FUSE 72V 1.35A RADIAL |
32,299 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.483" L x 0.122" W (12.26mm x 3.10mm) | 0.718" (18.26mm) | - | 0.201" (5.10mm) |
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1206L075THYRPTC RESET FUSE 8V 750MA 1206 |
12,537 |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 8V | 750 mA | 1.5 A | 100 A | 200 ms | 90 mOhms | 290 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.030" (0.75mm) | - |
|
MF-FSML125/8-2PTC RESET FUSE 8V 1.25A 0603 |
6,998 |
|
Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSML | Tape & Reel (TR) | Active | Polymeric | 8V | 1.25 A | 2.5 A | 50 A | 3 s | 20 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.028" (0.70mm) | - |
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|
MF-PSML300/6-2PTC RESET FUSE 6V 3A 0805 |
2,970 |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 6 A | 50 A | 5 s | 3 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.055" (1.40mm) | - |
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.
