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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
.jpg "RS30-110")
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RS30-110PTC RESET FUSE 30V 1.1A RADIAL |
2,936 |
|
Datasheet | Radial, Disc | RS30 | Bulk | Active | Polymeric | 30V | 1.1 A | 2.2 A | 100 A | 6.6 s | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.201" (5.10mm) |
|
PICOASMDCH016F-2PPTC-MINI-PSW |
6,539 |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch®, picoASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 160 mA | 680 mA | 40 A | 100 ms | 800 mOhms | 6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.031" (0.80mm) | - |
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TRF250-120UST-B-0.5PTC RESET FUSE 60V 120MA RADIAL |
1,626 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
MF-USML300-2PTC RESET FUSE 6V 3A 1210 |
4,716 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3 A | 6 A | 50 A | 4 s | 4 mOhms | 18 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.024" (0.60mm) | - |
|
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MF-USML700-2PTC RESET FUSE 6V 7A 1210 |
7,914 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 7 A | 14 A | 50 A | 2 s | 1 mOhms | 13.5 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
RS90-090PTC RESET FUSE 72V 900MA RADIAL |
6,200 |
|
Datasheet | Radial, Disc | RS90 | Bulk | Active | Polymeric | 72V (90V Int) | 900 mA | 1.8 A | 40 A | 7.2 s | 200 mOhms | 470 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.461" Dia x 0.122" T (11.70mm x 3.10mm) | 0.622" (15.80mm) | - | 0.201" (5.10mm) |
|
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MF-USML650-2PTC RESET FUSE 6V 6.5A 1210 |
7,423 |
|
Datasheet | 1210 (3225 Metric), Concave | Multifuse®, MF-USML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 6.5 A | 13 A | 50 A | 2 s | 1 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
MICROSMD190LR-2PTC RESET FUSE 6V 1.9A 1210 |
3,000 |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.9 A | 4.9 A | 50 A | 4 s | 6 mOhms | - | - | - | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
|
TRF250-145-2PTC RESET FUSE 60V 145MA RADIAL |
1,700 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.200" (5.08mm) |
|
PICOASMDCH050F-2PPTC-MINI-PSW |
3,844 |
|
Datasheet | 0805 (2012 Metric), Concave | PolySwitch®, picoASMD | Tape & Reel (TR) | Active | Polymeric | 16V | 500 mA | 1.7 A | 40 A | 100 ms | 250 mOhms | 1.6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.047" (1.20mm) | - |
|
AGRF500-2PTC RESET FUSE 16V 5A RADIAL |
1,640 |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Tape & Reel (TR) | Active | Polymeric | 16V | 5 A | 9.4 A | 100 A | 2.5 s | 14 mOhms | 34 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.614" (15.60mm) | - | 0.199" (5.05mm) |
|
TRF250-120ST-RG-B-0.5PTC RESET FUSE 60V 120MA RADIAL |
1,904 |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 2.5 s | 4 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.150" W (6.00mm x 3.80mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
RS60RB-075PTC RESET FUSE 60V 750MA RADIAL |
1,299 |
|
Datasheet | Radial, Disc | RS60RB | Bulk | Active | Polymeric | 60V | 750 mA | 1.5 A | 40 A | 6.3 s | 250 mOhms | 600 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" Dia x 0.122" T (10.40mm x 3.10mm) | 0.598" (15.20mm) | - | 0.201" (5.10mm) |
|
MF-NSML190-2PTC RESET FUSE 6V 1.9A 1206 |
3,372 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.9 A | 4.9 A | 50 A | 1 s | 5 mOhms | 28 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
|
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MF-NSML200-2PTC RESET FUSE 6V 2A 1206 |
8,591 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 2 A | 4 A | 50 A | 1 s | 5 mOhms | 25 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.024" (0.60mm) | - |
|
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MF-NSML450-2PTC RESET FUSE 6V 4.5A 1206 |
6,839 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSML | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 4.5 A | 9 A | 50 A | 2 s | 1 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.047" (1.20mm) | - |
|
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MICROSMD500LR-2PTC RESET FUSE 6V 5A 1210 |
2,662 |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 5 A | 10 A | 50 A | 2 s | 2 mOhms | 7 mOhms | - | -40°C ~ 80°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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VLP270FPTC RESET FUSE 16V 2.7A STRAP |
42,972 |
|
Datasheet | Strap | PolySwitch®, VLP | Bulk | Active | Polymeric | 16V | 2.7 A | 6.5 A | 60 A | 5 s | 12 mOhms | 36 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.201" W (22.00mm x 5.10mm) | - | 0.032" (0.80mm) | - |
|
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AGRF800S-1PTC RESET FUSE 16V 8A RADIAL |
9,994 |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Bulk | Active | Polymeric | 16V | 8 A | 15 A | 100 A | 5.5 s | 17.5 mOhms | 18.1 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.118" L x 0.118" W (3.00mm x 3.00mm) | 0.874" (22.20mm) | - | 0.199" (5.05mm) |
|
VLP210XLFPTC RESET FUSE 16V 2.1A STRAP |
9,655 |
|
Datasheet | Strap | PolySwitch®, VLP | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.648" L x 0.280" W (16.45mm x 7.10mm) | - | 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.
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