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-RX075/72-0PTC RESET FUSE 72V 750MA RADIAL |
1,332 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 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) |
|
RKEF065-APPTC RESET FUSE 60V 650MA RADIAL |
1,224 |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Cut Tape (CT) | Active | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 1 s | 250 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.280" L x 0.140" W (7.10mm x 3.56mm) | 0.480" (12.20mm) | - | 0.199" (5.05mm) |
|
RUEF185-APPTC RESET FUSE 30V 1.85A RADIAL |
3,914 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | 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" Dia x 0.118" T (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.199" (5.05mm) |
|
PTSA120624V020PTC RESET FUSE 200MA 24V 1206 |
3,807 |
|
Datasheet | 1206 (3216 Metric), Concave | PTSA1206 | Tape & Reel (TR) | Active | - | 24V | 200 mA | 420 mA | 40 A | 100 ms | 300 mOhms | 3.1 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.132" L x 0.067" W (3.35mm x 1.70mm) | - | 0.039" (1.00mm) | - |
|
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PTSA120648V016PTC RESET FUSE 160MA 48V 1206 |
3,742 |
|
Datasheet | 1206 (3216 Metric), Concave | PTSA1206 | Tape & Reel (TR) | Active | - | 48V | 160 mA | 450 mA | 10 A | 400 ms | 1.1 Ohms | 5 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.132" L x 0.067" W (3.35mm x 1.70mm) | - | 0.039" (1.00mm) | - |
|
MF-FSML175/8-2PTC RESET FUSE 8V 1.75A 0603 |
2,979 |
|
Datasheet | 0603 (1608 Metric), Concave | Multifuse®, MF-FSML | Tape & Reel (TR) | Active | Polymeric | 8V | 1.75 A | 3.5 A | 50 A | 5 s | 8 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.065" L x 0.033" W (1.65mm x 0.85mm) | - | 0.055" (1.40mm) | - |
|
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PTSA120648V012PTC RESET FUSE 120MA 48V 1206 |
2,123 |
|
Datasheet | 1206 (3216 Metric), Concave | PTSA1206 | Tape & Reel (TR) | Active | - | 48V | 120 mA | 390 mA | 10 A | 300 ms | 1.2 Ohms | 15 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.132" L x 0.067" W (3.35mm x 1.70mm) | - | 0.039" (1.00mm) | - |
|
0ZRG0250FF1EPTC RESET FUSE 30V 2.5A RADIAL |
1,004 |
|
Datasheet | Radial, Disc | 0ZRG | Bulk | Active | Polymeric | 30V | 2.5 A | 5 A | 40 A | 40 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
|
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RKEF075-2PTC RESET FUSE 60V 750MA RADIAL |
14,074 |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 1.5 s | 200 mOhms | 640 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.598" (15.20mm) | - | 0.199" (5.05mm) |
|
PFSM.125.2PTC RESET FUSE 15V 1.25A 2SMD |
1,990 |
|
Datasheet | 2-SMD | PFSM | Tape & Reel (TR) | Active | Polymeric | 15V | 1.25 A | 2.5 A | 100 A | 2 s | 70 mOhms | 250 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.289" L x 0.214" W (7.36mm x 5.44mm) | - | 0.118" (3.00mm) | - |
|
RUSBF185-2PTC RESET FUSE 16V 1.85A RADIAL |
2,970 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 10 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) |
|
MF-R185-0-17PTC RESETTABLE 1.85A 30V RADIAL |
5,000 |
|
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 | Automotive | AEC-Q200 | - | Through Hole | 0.472" Dia x 0.118" T (12.00mm x 3.00mm) | 0.724" (18.40mm) | - | 0.201" (5.10mm) |
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PTSLR08058V350PTC RESET FUSE 3.5A 8V 0805 |
3,902 |
|
Datasheet | 0805 (2012 Metric), Concave | PTSLR0805 | Tape & Reel (TR) | Active | - | 8V | 3.5 A | 7 A | 50 A | 5 s | 4 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.098" L x 0.063" W (2.50mm x 1.60mm) | - | 0.039" (1.00mm) | - |
|
MINIASMDC125F/16-2PTC RESET FUSE 16V 1.25A 1812 |
1,500 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.019" (0.48mm) | - |
|
MF-S175PTC RESET FUSE 15V 1.75A STRAP |
5,530 |
|
Datasheet | Strap | Multifuse®, MF-S | Bulk | Active | Polymeric | 15V | 1.75 A | 3.8 A | 100 A | 4 s | 50 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.827" L x 0.199" W (21.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
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TCF250-100T-B-0.5PTC RESET FUSE 60V 90MA SMD |
1,961 |
|
Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bag | Active | Polymeric | 60V (250V Int) | 90 mA | 150 mA | 3 A | 200 ms | 14 Ohms | 24 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.187" L x 0.187" W (4.75mm x 4.75mm) | - | 0.091" (2.30mm) | - |
|
72R020XPRPTC RESET FUSE 72V 200MA RADIAL |
1,864 |
|
Datasheet | Radial, Disc | POLY-FUSE®, 72R | Cut Tape (CT) | Active | Polymeric | 72V | 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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PTR060V0030-TRPTC RESET FUSE 60V 300MA RADIAL |
5,909 |
|
Datasheet | Radial, Disc | PTR060V | Tape & Reel (TR) | Active | Polymeric | 60V | 300 mA | 600 mA | 40 A | 3 s | 880 mOhms | 2.1 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.512" (13.00mm) | - | 0.197" (5.00mm) |
|
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RUSBF135-2PTC RESET FUSE 16V 1.35A RADIAL |
2,406 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 16V | 1.35 A | 2.7 A | 40 A | 4.5 s | 40 mOhms | 112 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.199" (5.05mm) |
|
ASMD185F-2PTC RESET FUSE 16V 1.85A 2SMD |
1,917 |
|
Datasheet | 2-SMD | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 11.3 s | 32 mOhms | 126 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
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.
