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-RHT450-0PTC RESET FUSE 16V 4.5A RADIAL |
7,227 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RHT | Bulk | 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) | - | 0.114" (2.90mm) |
|
MF-LS180PTC RESET FUSE 24V 1.8A STRAP |
6,005 |
|
Datasheet | Strap | Multifuse®, MF-LS | Bulk | Active | Polymeric | 24V | 1.8 A | 3.8 A | 100 A | 2.9 s | 40 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.199" W (25.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
|
NANOASMDCH010F-2PPTC-MINI-PSW |
4,000 |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®nanoASMDCH | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 300 mA | 20 A | 5 s | 1 Ohms | 7.5 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.033" (0.85mm) | - |
|
AGRF400-2PTC RESET FUSE 16V 4A RADIAL |
2,359 |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Tape & Reel (TR) | Active | Polymeric | 16V | 4 A | 7.6 A | 100 A | 2 s | 18.6 mOhms | 61 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.555" (14.10mm) | - | 0.199" (5.05mm) |
|
0ZRR0300FF2APTC RESET FUSE 60V 3A RADIAL |
2,159 |
|
Datasheet | Radial, Disc | 0ZRR | Tape & Reel (TR) | Active | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.980" Dia x 0.122" T (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
|
MF-R075-APPTC RESET FUSE 60V 750MA RADIAL |
11,877 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Cut Tape (CT) | 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) |
|
MF-SMDF030-2PTC RESET FUSE 60V 300MA 2018 |
5,669 |
|
Datasheet | 2018 (5045 Metric), Concave | Multifuse®, MF-SMDF | Tape & Reel (TR) | Active | Polymeric | 60V | 300 mA | 800 mA | 20 A | 1.5 s | 450 mOhms | 2.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.180" W (5.08mm x 4.58mm) | - | 0.043" (1.09mm) | - |
|
0ZRC0375FF1APTC RESET FUSE 90V 3.75A RADIAL |
4,853 |
|
Datasheet | Radial, Disc | 0ZRC | Box | Active | Polymeric | 90V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 1.122" L x 0.122" W (28.50mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
|
MF-USMF150-2PTC RESET FUSE 6V 1.5A 1210 |
4,362 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USMF | Tape & Reel (TR) | Active | Polymeric | 6V | 1.5 A | 3 A | 40 A | 5 s | 30 mOhms | 110 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.033" (0.85mm) | - |
|
MF-RX050/72-0PTC RESET FUSE 72V 500MA RADIAL |
2,298 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 500 mA | 1 A | 40 A | 4 s | 410 mOhms | 1.17 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.311" Dia x 0.122" T (7.90mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
RHEF400PTC RESET FUSE 16V 4A RADIAL |
2,195 |
|
Datasheet | Radial, Disc | PolySwitch®, RHEF | Bag | Active | Polymeric | 16V | 4 A | 7.5 A | 100 A | 5 s | 24 mOhms | 60 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.394" L x 0.118" W (10.00mm x 3.00mm) | 0.591" (15.00mm) | - | 0.199" (5.05mm) |
|
MF-R050-0-17PTC RESETTABLE 0.5A 60V RADIAL L |
2,090 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | Polymeric | 60V | 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) |
|
CMF-RL55A-0PTC RESET FUSE 220V 50MA RADIAL |
1,798 |
|
Datasheet | Radial, Disc | CMF-RL | Bulk | Active | Ceramic | 220V (600V Int) | 50 mA | 100 mA | 3 A | 100 ms | - | - | 55 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.295" L x 0.220" W (7.50mm x 5.60mm) | 0.512" (13.00mm) | - | 0.197" (5.00mm) |
|
MF-RG700-2PTC RESET FUSE 16V 7A RADIAL |
1,633 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RG | Tape & Reel (TR) | Active | Polymeric | 16V | 7 A | 11.9 A | 100 A | 8 s | 8 mOhms | 21 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" Dia x 0.118" T (11.20mm x 3.00mm) | 0.740" (18.80mm) | - | 0.201" (5.10mm) |
|
|
MF-RX040/72-0PTC RESET FUSE 72V 400MA RADIAL |
1,601 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX/72 | Bulk | Active | Polymeric | 72V | 400 mA | 800 mA | 40 A | 3.9 s | 520 mOhms | 1.29 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.122" T (7.40mm x 3.10mm) | 0.539" (13.70mm) | - | 0.201" (5.10mm) |
|
RGEF700K-2PTC RESET FUSE 16V 7A RADIAL |
4,783 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 7 A | 11.9 A | 100 A | 3.5 s | 7.7 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.421" L x 0.098" W (10.70mm x 2.50mm) | 0.874" (22.20mm) | - | 0.199" (5.05mm) |
|
SMD2920B500TFPTC RESET FUSE 12V 5A 2920 |
2,740 |
|
Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 12V | 5 A | 10 A | 40 A | 5 s | 5 mOhms | 31 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.063" (1.60mm) | - |
|
0ZRE0040FF1APTC RESET FUSE 240V 400MA RADIAL |
2,560 |
|
Datasheet | Radial, Disc | 0ZRE | Box | Active | Polymeric | 240V | 400 mA | 900 mA | 7 A | 24 s | 600 mOhms | 1.9 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.453" L x 0.150" W (11.50mm x 3.80mm) | 0.768" (19.50mm) | - | 0.201" (5.10mm) |
.JPG "MF-NSMF125-2")
|
MF-NSMF125-21206 POLYMER PTC 1.25A/6V |
1,324 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 6V | 1.25 A | 2.5 A | 100 A | 200 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.60mm) | - | 0.028" (0.70mm) | - |
|
MF-SM013/250-2PTC RESET FUSE 60V 130MA 2SMD |
11,915 |
|
Datasheet | 2-SMD | Multifuse®, MF-SM/250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 130 mA | - | 3 A | - | 6.5 Ohms | 20 Ohms | - | -45°C ~ 85°C | - | - | - | Surface Mount | 0.350" L x 0.283" W (8.90mm x 7.20mm) | - | 0.402" (10.20mm) | - |
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.
