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-RHT300-2-14PTC 3.0A 16V RADIAL LEADED HI-TE |
7,657 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | 6 A | 100 A | 5 s | 33 mOhms | 79 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.346" L x 0.118" W (8.80mm x 3.00mm) | 0.543" (13.80mm) | - | 0.201" (5.10mm) |
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MF-RHT450-2-14PTC 4.5A 16V RADIAL LEADED HI-TE |
6,477 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Tape & Reel (TR) | Active | Polymeric | 16V | 4.5 A | 7.8 A | 100 A | 3 s | 22 mOhms | 54 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" L x 0.118" W (10.40mm x 3.00mm) | 0.614" (15.60mm) | - | 0.201" (5.10mm) |
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MF-RHT550-0-14PTC 5.5A 16V RADIAL LEADED HI-TE |
7,417 |
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Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 5.5 A | 10 A | 100 A | 6 s | 15 mOhms | 37 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.744" (18.90mm) | - | 0.201" (5.10mm) |
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RHEF750-1PTC RESET FUSE 16V 7.5A RADIAL |
7,652 |
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Datasheet | Radial, Disc | PolySwitch®, RHEF | Bulk | Obsolete | Polymeric | 16V | 7.5 A | 13.1 A | 100 A | 7 s | 9.4 mOhms | 22 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.925" (23.50mm) | - | 0.199" (5.05mm) |
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SMD2920P125TFAPTC RESET FUSE 15V 1.25A 2920 |
6,009 |
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Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, SMD2920 | Tape & Reel (TR) | Obsolete | Polymeric | 15V | 1.25 A | 2.5 A | 40 A | 2 s | 70 mOhms | 250 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.031" (0.78mm) | - |
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BK16-1200-SZPTC RESET FUSE 16V 12A RAD |
5,089 |
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Datasheet | Radial, Disc | BK16 | Bulk | Active | Polymeric | 16V | 12 A | 24 A | 100 A | 7.5 s | 3 mOhms | 9 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.886" L x 0.122" W (22.50mm x 3.10mm) | 1.122" (28.50mm) | - | 0.413" (10.50mm) |
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PTR016V0500-TRPTC RESET FUSE 16V 5A RADIAL |
5,420 |
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Datasheet | Radial, Disc | PTR016V | Tape & Reel (TR) | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 10 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" L x 0.122" W (10.40mm x 3.10mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
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SMD2920P100TFAPTC RESET FUSE 33V 1.1A 2920 |
9,832 |
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Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, SMD2920 | Tape & Reel (TR) | Obsolete | Polymeric | 33V | 1.1 A | 2.2 A | 40 A | 500 ms | 120 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.031" (0.78mm) | - |
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MF-RG1000-APPTC RESET FUSE 16V 10A RADIAL |
6,903 |
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Datasheet | Radial, Disc | Multifuse®, MF-RG | Tape & Box (TB) | Active | Polymeric | 16V | 10 A | 17 A | 100 A | 6 s | 4 mOhms | 10.2 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.854" (21.70mm) | - | 0.201" (5.10mm) |
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PTGL09BD3R3N2B51B0PTC RESET FUSE 24V 248MA RADIAL |
3,020 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 24V | 248 mA | 461 mA | 2 A | - | - | - | 3.3 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.374" Dia x 0.157" T (9.50mm x 4.00mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
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MF-RX012/250-T-0PTC RESET FUSE 60V 120MA RADIAL |
8,391 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX/250 | Bulk | Active | Polymeric | 60V (250V Int) | 120 mA | - | 3 A | - | 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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PTGL05AR181M9N52A0PTC RESET FUSE 265V 180OHM 120C |
6,897 |
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Datasheet | Radial, Disc | Posistor® | Tape & Box (TB) | Obsolete | Ceramic | - | - | - | - | - | - | - | 18.1 Ohms | - | - | - | - | Through Hole | - | - | - | - |
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1210L150/12WRPTC RESET FUSE 12V 1.5A 1210 |
7,309 |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, 1210L | Tape & Reel (TR) | Obsolete | Polymeric | 12V | 1.5 A | 3 A | 100 A | 300 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.042" (1.07mm) | - |
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SMD0805P010TSAPTC RESET FUSE 15V 100MA 0805 |
5,857 |
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Datasheet | 0805 (2012 Metric), Concave | POLY-FUSE®, SMD0805 | Tape & Reel (TR) | Obsolete | Polymeric | 15V | 100 mA | 300 mA | 40 A | 1.5 s | 1 Ohms | 6 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.039" (1.00mm) | - |
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SMD0805P020TSAPTC RESET FUSE 9V 200MA 0805 |
5,357 |
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Datasheet | 0805 (2012 Metric), Concave | POLY-FUSE®, SMD0805 | Tape & Reel (TR) | Obsolete | Polymeric | 9V | 200 mA | 500 mA | 40 A | 20 ms | 650 mOhms | 3.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.039" (1.00mm) | - |
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SMD0805P035TSAPTC RESET FUSE 6V 350MA 0805 |
7,213 |
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Datasheet | 0805 (2012 Metric), Concave | POLY-FUSE®, SMD0805 | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 350 mA | 750 mA | 40 A | 100 ms | 250 mOhms | 1.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.024" (0.60mm) | - |
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LTP340PTC RESET FUSE 24V 3.4A STRAP |
9,997 |
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Datasheet | Strap | PolySwitch®, LTP | Bulk | Obsolete | Polymeric | 24V | 3.4 A | 6.8 A | 100 A | 5 s | 16 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.604" W (25.00mm x 15.35mm) | - | 0.039" (1.00mm) | - |
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LTP300FPTC RESET FUSE 24V 3A STRAP |
2,346 |
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Datasheet | Strap | PolySwitch®, LTP | Bulk | Obsolete | Polymeric | 24V | 3 A | 6.3 A | 100 A | 4 s | 15 mOhms | 55 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.185" L x 0.522" W (30.10mm x 13.25mm) | - | 0.043" (1.10mm) | - |
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BBRF550SPTC RESET FUSE 99V 550MA RADIAL |
3,740 |
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Datasheet | Radial, Disc | PolySwitch® | Bulk | Obsolete | Polymeric | 99V | 550 mA | 1.1 A | 20 A | 60 s | 800 mOhms | 1.95 Ohms | - | - | - | - | - | Through Hole | 0.429" Dia x 0.142" T (10.90mm x 3.60mm) | 0.567" (14.40mm) | - | 0.200" (5.08mm) |
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VLP270DFPTC RESET FUSE 16V 2.7A STRAP |
9,661 |
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Datasheet | Strap | PolySwitch®, VLP | Bulk | Discontinued at Digi-Key | Polymeric | 16V | 2.7 A | 6.5 A | 60 A | 5 s | 12 mOhms | 36 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.201" W (22.00mm x 5.10mm) | - | 0.032" (0.80mm) | - |
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.
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