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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FSMD125-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
1,950 |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 33V | 1.25 A | 2.5 A | 100 A | 2 s | 50 mOhms | 250 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.035" (0.90mm) | - |
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FSMD300-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
1,850 |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 6V | 3 A | 5.2 A | 100 A | 25 s | 10 mOhms | 48 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.035" (0.90mm) | - |
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FSMD150-1206RRESETTABLE FUSE - SMD, 1206 SIZE |
1,950 |
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Datasheet | 1206 (3216 Metric), Concave | FSMD1206 | Tape & Reel (TR) | Active | - | 8V | 1.5 A | 3 A | 100 A | 1 s | 40 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.055" (1.40mm) | - |
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FSMD150-12RRESETTABLE FUSE - SMD, 1812 SIZE |
1,850 |
|
Datasheet | 1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 12V | 1.5 A | 3 A | 100 A | 500 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.043" (1.10mm) | - |
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FSMD200RRESETTABLE FUSE - SMD, 1812 SIZE |
1,400 |
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Datasheet | 1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 8V | 2 A | 3.5 A | 100 A | 2 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.047" (1.20mm) | - |
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FSMD150-24RRESETTABLE FUSE - SMD, 1812 SIZE |
1,300 |
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Datasheet | 1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 24V | 1.5 A | 3 A | 100 A | 1.5 s | 40 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
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MPTR90V185PTC RESET FUSE 90V 1.85A RADIAL |
45,500 |
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Datasheet | Radial, Disc | MPTR | Bulk | Active | Polymeric | 90V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.701" Dia x 0.122" T (17.80mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
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FSMD100-0805RRESETTABLE FUSE - SMD, 0805 SIZE |
2,850 |
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Datasheet | 0805 (2012 Metric), Concave | FSMD0805 | Tape & Reel (TR) | Active | - | 6V | 1 A | 1.95 A | 100 A | 300 ms | 60 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.071" (1.80mm) | - |
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R0603-010-RPTC RESET FUSE 15V 100MA 0603 |
4,000 |
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Datasheet | 0603 (1608 Metric), Concave | R0603 | Tape & Reel (TR) | Active | Polymeric | 15V | 100 mA | 250 mA | 40 A | 100 ms | 900 mOhms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.029" W (1.60mm x 0.73mm) | - | 0.030" (0.75mm) | - |
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R1206-005-RPTC RESET FUSE 60V 50MA 1206 |
3,000 |
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Datasheet | 1206 (3216 Metric), Concave | R1206 | Tape & Reel (TR) | Active | Polymeric | 60V | 50 mA | 150 mA | 100 A | 1.5 s | 3.6 Ohms | 50 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.033" (0.85mm) | - |
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FSMD075-60-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
1,800 |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 60V | 750 mA | 1.5 A | 100 A | 300 ms | 180 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
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FSMD260-2920-RRESETTABLE FUSE - SMD, 2920 SIZE |
1,950 |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 6V | 2.6 A | 5.2 A | 100 A | 20 s | 20 mOhms | 75 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.035" (0.90mm) | - |
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TRF250-120USPTC RESET FUSE 60V 120MA RADIAL |
1,500 |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2 s | 6 Ohms | 16 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) |
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PTR030V0090-TR1PTC RESET FUSE 30V 900MA RADIAL |
6,413 |
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Datasheet | Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 900 mA | 1.8 A | 40 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) | - | 0.197" (5.00mm) |
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MF-RX135/72-0-14FUSE PTC RESETTABLE |
6,537 |
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Datasheet | Radial, Disc | MF-RX/72 | Bulk | 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) |
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TRF250-145-RA-B0.5-2PTC RESET FUSE 60V 145MA RADIAL |
2,824 |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.200" (5.08mm) |
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VTP175LFPTC RESET FUSE 16V 1.75A STRAP |
3,000 |
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Datasheet | Strap | PolySwitch®, VTP | Bulk | Active | Polymeric | 16V | 1.75 A | 3.6 A | 100 A | 5 s | 29 mOhms | 102 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.063" L x 0.146" W (27.00mm x 3.70mm) | - | 0.032" (0.80mm) | - |
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FSMD300-24-2920RRESETTABLE FUSE - SMD, 2920 SIZE |
3,950 |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 24V | 3 A | 5.2 A | 100 A | 20 s | 10 mOhms | 48 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
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MF-R010-0-99PTC RESET FUSE 60V 100MA RADIAL |
3,445 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Obsolete | Polymeric | 60V | 100 mA | 200 mA | 40 A | 4 s | 2.5 Ohms | 7.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.500" (12.70mm) | - | 0.201" (5.10mm) |
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FSMD300-15-2920RRESETTABLE FUSE - SMD, 2920 SIZE |
1,750 |
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Datasheet | 2920 (7351 Metric), Concave | FSMD2920 | Tape & Reel (TR) | Active | - | 15V | 3 A | 5.2 A | 100 A | 20 s | 10 mOhms | 48 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
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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