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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PTR030V0700-TRPTC RESET FUSE 30V 7A RADIAL |
7,243 |
|
Datasheet | Radial, Disc | PTR030V | Tape & Reel (TR) | Active | Polymeric | 30V | 7 A | 14 A | 100 A | 17.5 s | 5 mOhms | 30 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.752" L x 0.118" W (19.10mm x 3.00mm) | 1.051" (26.70mm) | - | 0.394" (10.00mm) |
|
RUSBF075-APPTC RESET FUSE 6V 750MA RADIAL |
2,000 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Cut Tape (CT) | Active | Polymeric | 6V | 750 mA | 1.3 A | 40 A | 400 ms | 110 mOhms | 230 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.122" T (6.90mm x 3.10mm) | 0.449" (11.40mm) | - | 0.201" (5.10mm) |
|
1206L025/24YRPTC RESET FUSE 24V 250MA 1206 |
3,255 |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, 1206L | Tape & Reel (TR) | Active | Polymeric | 24V | 250 mA | 550 mA | 100 A | 80 ms | 550 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.039" (1.00mm) | - |
|
RXEF090S-2PTC RESET FUSE 72V 900MA RADIAL |
3,000 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Tape & Reel (TR) | Active | Polymeric | 72V | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" L x 0.118" W (11.20mm x 3.00mm) | 0.622" (15.80mm) | - | 0.199" (5.05mm) |
|
|
RUSBF155-APPTC RESET FUSE 6V 1.55A RADIAL |
1,755 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Cut Tape (CT) | Active | Polymeric | 6V | 1.55 A | 2.65 A | 40 A | 2.2 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" Dia x 0.122" T (6.90mm x 3.10mm) | 0.461" (11.70mm) | - | 0.201" (5.10mm) |
|
RUSBF135-APPTC RESET FUSE 16V 1.35A RADIAL |
1,531 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Cut Tape (CT) | 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) |
|
16R160BPRPTC RESET FUSE 16V 1.6A RADIAL |
2,000 |
|
Datasheet | Radial, Disc | POLY-FUSE®, USBR | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 1.6 A | 3.2 A | 40 A | 9 s | 30 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
R0603LR-035-RPTC RESET FUSE 6V 350MA 0603 |
12,000 |
|
Datasheet | 0603 (1608 Metric), Concave | R0603LR | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 100 A | 100 ms | 200 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.029" W (1.60mm x 0.73mm) | - | 0.030" (0.75mm) | - |
|
R2920-100-RPTC RESET FUSE 33V 1.1A 2920 |
4,000 |
|
Datasheet | 2920 (7351 Metric), Concave | R2920 | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 100 A | 500 ms | 90 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.039" (1.00mm) | - |
|
|
R2920-050-RPTC RESET FUSE 60V 500MA 2920 |
2,000 |
|
Datasheet | 2920 (7351 Metric), Concave | R2920 | Tape & Reel (TR) | Active | Polymeric | 60V | 500 mA | 1 A | 100 A | 4 s | 300 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
|
MF-NSML260-2PTC RESET FUSE 6V 2.6A 1206 |
9,767 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2.6 A | 5.2 A | 50 A | 4 s | 3 mOhms | 26 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
|
MF-USML270-2PTC RESET FUSE 6V 2.7A 1210 |
9,109 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2.7 A | 5.4 A | 50 A | 4 s | 4 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
|
|
RUSBF155-2PTC RESET FUSE 6V 1.55A RADIAL |
2,813 |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 6V | 1.55 A | 2.65 A | 40 A | 2.2 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.272" L x 0.122" W (6.90mm x 3.10mm) | 0.461" (11.70mm) | - | 0.200" (5.08mm) |
|
RGEF400K-2PTC RESET FUSE 16V 4A RADIAL |
1,077 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 4 A | 6.8 A | 100 A | 1.7 s | 21 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.331" L x 0.098" W (8.40mm x 2.50mm) | 0.504" (12.80mm) | - | 0.199" (5.05mm) |
|
MF-PSML110-2PTC RESET FUSE 6V 0805 |
6,243 |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | - | - | - | - | 17.5 mOhms | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.024" (0.60mm) | - |
|
RS60RB-025PTC RESET FUSE 60V 250MA RADIAL |
4,884 |
|
Datasheet | Radial, Disc | RS60RB | Bulk | Active | Polymeric | 60V | 250 mA | 500 mA | 40 A | 2.5 s | 1.25 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) |
|
RS60RB-010PTC RESET FUSE 60V 100MA RADIAL |
4,000 |
|
Datasheet | Radial, Disc | RS60RB | Bulk | Active | 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) |
|
RGEF500K-APPTC RESET FUSE 16V 5A RADIAL |
3,925 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Cut Tape (CT) | Active | Polymeric | 16V | 5 A | 8.5 A | 100 A | 2 s | 15 mOhms | 34 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.390" L x 0.098" W (9.90mm x 2.50mm) | 0.563" (14.30mm) | - | 0.199" (5.05mm) |
|
TRF250-183S-2PTC RESET FUSE 100V 183MA RADIAL |
2,842 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 100V (250V Int) | 183 mA | 685 mA | 10 A | 1.8 s | 800 mOhms | 3.4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.295" Dia x 0.150" T (7.50mm x 3.80mm) | 0.374" (9.50mm) | - | 0.197" (5.00mm) |
|
|
MF-PSML350-2PTC RESET FUSE 6V 3.5A 0805 |
9,889 |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.5 A | 7 A | 50 A | 5 s | 3 mOhms | 25 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.032" (0.80mm) | - |
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.
