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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PTGL07AS2R7K2B51A0PTC RESET FUSE 30V 425MA RADIAL |
8,282 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 425 mA | 565 mA | 4.5 A | - | - | - | 2.7 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
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PTGL09BD2R2N2B51A0PTC RESET FUSE 24V 326MA RADIAL |
8,558 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 24V | 326 mA | 431 mA | 2 A | - | - | - | 2.2 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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PTGLESARR15M1B51B0PTC RESET FUSE 16V 1.545A RADIAL |
7,945 |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 16V | 1.545 A | 2.855 A | 10 A | - | - | - | 150 mOhms | -30°C ~ 85°C | - | - | - | Through Hole | 0.531" Dia x 0.138" T (13.50mm x 3.50mm) | 0.728" (18.50mm) | - | 0.197" (5.00mm) |
|
YS5940PTHPTC RESET FUSE HEATERS 40% |
4,051 |
|
Datasheet | - | PTH | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MF-RX375-APPTC RESET FUSE 60V 3.75A RADIAL |
2,421 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
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MF-R025-AP-99PTC RESET FUSE 60V 250MA RADIAL |
5,954 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1 Ohms | 3 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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MF-R110-AP-99PTC RESET FUSE 30V 1.1A RADIAL |
4,505 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 100 mOhms | 270 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
|
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MF-R300-AP-99PTC RESET FUSE 30V 3A RADIAL |
2,664 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Box (TB) | Obsolete | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 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-RX375-AP-99PTC RESET FUSE 60V 3.75A RADIAL |
5,804 |
|
Datasheet | Radial, Disc | Multifuse®, MF-RX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
|
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MF-R1100-2-99PTC RESET FUSE 16V 11A RADIAL |
3,028 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 11 A | 22 A | 100 A | 20 s | 3 mOhms | 14 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) |
|
MF-R500-2-99PTC RESET FUSE 30V 5A RADIAL |
3,730 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | 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-R800-2-99PTC RESET FUSE 30V 8A RADIAL |
7,567 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Tape & Reel (TR) | 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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RUEF600K-0.144PTC RESET FUSE 30V 6A RADIAL |
8,645 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bulk | Active | Polymeric | 30V | 6 A | 12 A | 100 A | 16 s | 5 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 1.032" (26.20mm) | - | 0.400" (10.15mm) |
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RUEF900K-0.144PTC RESET FUSE 30V 9A RADIAL |
2,525 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bulk | Active | Polymeric | 30V | 9 A | 18 A | 100 A | 20 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.949" L x 0.118" W (24.10mm x 3.00mm) | 1.220" (31.00mm) | - | 0.400" (10.15mm) |
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RXEF017-0.142PTC RESET FUSE 60V 170MA RADIAL |
8,689 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bulk | Active | Polymeric | 60V | 170 mA | 340 mA | 40 A | 3 s | 3.3 Ohms | 8 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" Dia x 0.118" T (7.40mm x 3.00mm) | 0.500" (12.70mm) | - | 0.199" (5.05mm) |
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RXEF185K-0.167PTC RESET FUSE 72V 1.85A RADIAL |
9,872 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bulk | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.660" Dia x 0.118" T (16.76mm x 3.00mm) | 0.906" (23.00mm) | - | 0.199" (5.05mm) |
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PSR-24883FPTC RESET FUSE 60V 160MA |
5,292 |
|
Datasheet | - | PSR | Bulk | Active | Polymeric | 60V | 160 mA | 640 mA | 3 A | 7 s | 6.5 Ohms | 8 Ohms | - | 125°C | - | - | - | - | - | - | - | - |
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MICROSMD010F-02PTC RESET FUSE 30V 100MA 1210 |
2,845 |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 30V | 100 mA | 250 mA | 10 A | 1 s | 2.1 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.033" (0.85mm) | - |
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MINISMDC050F-02PTC RESET FUSE 24V 500MA 1812 |
4,350 |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Active | Polymeric | 24V | 500 mA | 1 A | 100 A | 150 ms | 150 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.024" (0.62mm) | - |
|
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TRF250-080TAPTC RESET FUSE 60V 80MA RADIAL |
3,217 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bulk | Active | Polymeric | 60V (250V Int) | 80 mA | 160 mA | 3 A | 4 s | 15 Ohms | 33 Ohms | - | 0°C ~ 85°C | - | - | - | Through Hole | 0.228" Dia x 0.181" T (5.80mm x 4.60mm) | 0.390" (9.90mm) | - | 0.197" (5.00mm) |
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.
