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-R055/90-APPTC RESET FUSE 90V 550MA RADIAL |
4,926 |
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Datasheet | Radial, Disc | Multifuse®, MF-R/90 | Tape & Box (TB) | Obsolete | Polymeric | 90V | 550 mA | 1.1 A | 10 A | 60 s | 450 mOhms | 2 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.429" Dia x 0.142" T (10.90mm x 3.60mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
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MF-R055/90U-APPTC RESET FUSE 90V 550MA RADIAL |
2,933 |
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Datasheet | Radial, Disc | Multifuse®, MF-R/90 | Tape & Box (TB) | Obsolete | Polymeric | 90V | 550 mA | 1.1 A | 10 A | 28 s | 450 mOhms | 2 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.429" Dia x 0.142" T (10.90mm x 3.60mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
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MF-R065-AP-99PTC RESET FUSE 60V 650MA RADIAL |
5,888 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 60V | 650 mA | 1.3 A | 40 A | 5.3 s | 270 mOhms | 720 mOhms | - | -40°C ~ 85°C | - | - | - | 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-R075/90-APPTC RESET FUSE 90V 750MA RADIAL |
2,641 |
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Datasheet | Radial, Disc | Multifuse®, MF-R/90 | Tape & Box (TB) | Obsolete | Polymeric | 90V | 750 mA | 1.5 A | 10 A | 60 s | 370 mOhms | 1.65 Ohms | - | -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) |
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MF-R075-AP-99PTC RESET FUSE 60V 750MA RADIAL |
9,540 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | 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) |
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MF-R090-AP-99PTC RESET FUSE 60V 900MA RADIAL |
5,779 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 60V | 900 mA | 1.8 A | 40 A | 7.2 s | 140 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" L x 0.122" W (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
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MF-R090-AP-9-99PTC RESET FUSE 60V 900MA RADIAL |
6,277 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 60V | 900 mA | 1.8 A | 40 A | 7.2 s | 140 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" L x 0.122" W (11.70mm x 3.10mm) | 0.657" (16.70mm) | - | 0.201" (5.10mm) |
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MF-R135-AP-99PTC RESET FUSE 30V 1.35A RADIAL |
4,047 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.35 A | 2.7 A | 40 A | 7.3 s | 65 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.744" (18.90mm) | - | 0.201" (5.10mm) |
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MF-R160-AP-99PTC RESET FUSE 30V 1.6A RADIAL |
7,403 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | 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) |
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MF-R185-AP-99PTC RESET FUSE 30V 1.85A RADIAL |
6,878 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | 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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MF-R250-AP-10-99PTC RESET FUSE 30V 2.5A RADIAL |
2,179 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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MF-R250-AP-99PTC RESET FUSE 30V 2.5A RADIAL |
4,260 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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MF-R400-AP-99PTC RESET FUSE 30V 4A RADIAL |
4,766 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
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MF-R500-AP-99PTC RESET FUSE 30V 5A RADIAL |
9,051 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 5 A | 10 A | 40 A | 14.5 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.685" L x 0.118" W (17.40mm x 3.00mm) | 0.980" (24.90mm) | - | 0.402" (10.20mm) |
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MF-R600-AP-99PTC RESET FUSE 30V 6A RADIAL |
4,957 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | - | 30V | 6 A | 12 A | 40 A | 16 s | - | - | - | - | - | - | - | Through Hole | 0.760" L x 0.118" W (19.30mm x 3.00mm) | 1.256" (31.90mm) | - | 0.215" (5.45mm) |
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MF-R700-AP-99PTC RESET FUSE 30V 7A RADIAL |
3,634 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 7 A | 14 A | 40 A | 17.5 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.870" L x 0.118" W (22.10mm x 3.00mm) | 1.173" (29.80mm) | - | 0.402" (10.20mm) |
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MF-R800-AP-99PTC RESET FUSE 30V 8A RADIAL |
9,299 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 8 A | 16 A | 40 A | 18.8 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.953" L x 0.118" W (24.20mm x 3.00mm) | 1.295" (32.90mm) | - | 0.402" (10.20mm) |
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MF-R900-AP-99PTC RESET FUSE 30V 9A RADIAL |
9,592 |
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Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 9 A | 18 A | 40 A | 20 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.953" L x 0.118" W (24.20mm x 3.00mm) | 1.295" (32.90mm) | - | 0.402" (10.20mm) |
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MF-RX110-APPTC RESET FUSE 60V 1.1A RADIAL |
2,062 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 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) | 0.662" (16.84mm) | - | 0.201" (5.10mm) |
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MF-RX110-AP-99PTC RESET FUSE 60V 1.1A RADIAL |
3,537 |
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Datasheet | Radial, Disc | Multifuse®, MF-RX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 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) | 0.662" (16.84mm) | - | 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.
