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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RXEF250-1PTC RESET FUSE 72V 2.5A RADIAL |
8,053 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bulk | Obsolete | Polymeric | 72V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.819" Dia x 0.118" T (20.80mm x 3.00mm) | 1.000" (25.40mm) | - | 0.400" (10.15mm) |
|
PRG21BC4R7MM1RKPTC RESET FUSE |
5,412 |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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PRG21BC2R2MM1RKPTC RESET FUSE |
8,899 |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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PRG21BC6R8MM1RKPTC RESET FUSE |
2,262 |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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PRG21BC3R3MM1RKPTC RESET FUSE |
6,615 |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
TRF250-110U-2PTC RESET FUSE 60V 110MA RADIAL |
8,286 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Obsolete | Polymeric | 60V (250V Int) | 110 mA | 220 mA | 3 A | 1.2 s | 5 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.209" Dia x 0.150" T (5.30mm x 3.80mm) | 0.370" (9.40mm) | - | 0.197" (5.00mm) |
|
B59990C0080A051PTC RESET FUSE 80V 30MA RADIAL |
3,588 |
|
Datasheet | Radial, Disc | B59990 | Tape & Reel (TR) | Active | Ceramic | 80V | 30 mA | 60 mA | 700 mA | - | - | - | 55 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.157" Dia x 0.138" T (4.00mm x 3.50mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
|
PTR060V0017-TR1PTC RESET FUSE 60V 170MA RADIAL |
7,081 |
|
Datasheet | Radial, Disc | PTR060V | Tape & Reel (TR) | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 3.3 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.197" (5.00mm) |
|
MF-R160-APPTC RESET FUSE 30V 1.6A RADIAL |
6,641 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | 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) |
|
MF-RX135/72-AP-14FUSE PTC RESETTABLE |
9,962 |
|
Datasheet | Radial, Disc | MF-RX/72 | Tape & Box (TB) | Active | - | 72V | 1.35 A | 2.7 A | 40 A | 9.6 s | - | - | - | - | - | - | - | Through Hole | 0.483" L x 0.122" W (12.26mm x 3.10mm) | 0.718" (18.26mm) | - | 0.201" (5.10mm) |
|
|
MF-RX110/72-AP-14PTC RESET FUSE 72V 1.1A RADIAL |
3,887 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.427" L x 0.122" W (10.84mm x 3.10mm) | 0.663" (16.84mm) | - | 0.201" (5.10mm) |
|
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MF-RX090/72-AP-17PTC RESETTABLE 0.9A 72V RADIAL L |
3,551 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 140 mOhms | 470 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.461" Dia x 0.122" T (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
|
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MF-RX075/72-AP-17PTC RESETTABLE 0.75A 72V RADIAL |
4,095 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 750 mA | 1.5 A | 40 A | 6.3 s | 180 mOhms | 600 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | 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-RX040/72-AP-17PTC RESETTABLE 0.4A 72V RADIAL L |
7,821 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 400 mA | 800 mA | 40 A | 3.9 s | 520 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
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MF-RX065/72-AP-17PTC RESETTABLE 0.65A 72V RADIAL |
8,822 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 650 mA | 1.3 A | 40 A | 5.3 s | 270 mOhms | 720 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
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MF-RX065/72-2-17PTC RESETTABLE 0.65A 72V RADIAL |
2,645 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 650 mA | 1.3 A | 40 A | 5.3 s | 270 mOhms | 720 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.382" Dia x 0.122" T (9.70mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
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MF-RX050/72-AP-17PTC RESETTABLE 0.5A 72V RADIAL L |
8,762 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Box (TB) | Active | Polymeric | 72V | 500 mA | 1 A | 40 A | 4 s | 410 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | 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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MF-R160-0-17PTC RESETTABLE 1.6A 30V RADIAL L |
9,873 |
|
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 | Automotive | AEC-Q200 | - | 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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MF-RX040/72-2-17PTC RESETTABLE 0.4A 72V RADIAL L |
5,079 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 400 mA | 800 mA | 40 A | 3.9 s | 520 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
|
MF-RX050/72-2-17PTC RESETTABLE 0.5A 72V RADIAL L |
9,778 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Tape & Reel (TR) | Active | Polymeric | 72V | 500 mA | 1 A | 40 A | 4 s | 410 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.311" Dia x 0.122" T (7.90mm x 3.10mm) | 0.539" (13.70mm) | - | 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.
