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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RUEF400-2PTC RESET FUSE 30V 4A RADIAL |
2,688 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Tape & Reel (TR) | Active | Polymeric | 30V | 4 A | 8 A | 100 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.760" (19.30mm) | - | 0.199" (5.05mm) |
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DECASMDC050F/60-2PTC RESET FUSE 60V 550MA 2018 |
30,906 |
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Datasheet | 2018 (5045 Metric), Concave | PolySwitch®, decaSMD | Tape & Reel (TR) | Active | Polymeric | 60V | 550 mA | 1.1 A | 10 A | 100 ms | 200 mOhms | 1.1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.197" L x 0.177" W (5.01mm x 4.50mm) | - | 0.035" (0.89mm) | - |
|
2920L075/60MRPTC RESET FUSE 60V 750MA 2920 |
17,041 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 10 A | 300 ms | 300 mOhms | 950 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.289" L x 0.202" W (7.35mm x 5.12mm) | - | 0.049" (1.25mm) | - |
|
RGEF500-2PTC RESET FUSE 16V 5A RADIAL |
10,480 |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | 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) |
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TSV250-130F-2PTC RESET FUSE 60V 130MA 2SMD |
9,772 |
|
Datasheet | 2-SMD | PolySwitch®, TS250 | Tape & Reel (TR) | Active | Polymeric | 60V (250V Int) | 130 mA | 260 mA | 3 A | 2 s | 4 Ohms | 12 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.240" L x 0.272" W (6.10mm x 6.90mm) | - | 0.126" (3.20mm) | - |
|
0ZTH0020FF2EPTC RESET FUSE 30V 200MA 1210 |
2,517 |
|
Datasheet | 1210 (3225 Metric), Concave | 0ZTH | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 500 mA | 10 A | 100 ms | 800 mOhms | 5 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.047" (1.20mm) | - |
|
RKEF300PTC RESET FUSE 60V 3A RADIAL |
5,287 |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Bag | Active | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.835" (21.20mm) | - | 0.199" (5.05mm) |
|
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2920L200/24DRPTC RESET FUSE 24V 2A 2920 |
4,157 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 24V | 2 A | 4 A | 40 A | 5 s | 50 mOhms | 125 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.289" L x 0.202" W (7.35mm x 5.12mm) | - | 0.049" (1.25mm) | - |
|
NANOASMDCH050F/24-2PTC RESET FUSE 24V 500MA 1206 |
18,486 |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 24V | 500 mA | 2.5 A | 20 A | 100 ms | 200 mOhms | 1.6 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.062" W (3.20mm x 1.58mm) | - | 0.045" (1.14mm) | - |
|
SMDC300F/24-2PTC RESET FUSE 24V 3A 2920 |
10,904 |
|
Datasheet | 2920 (7351 Metric), Concave | SMDC | Tape & Reel (TR) | Active | Polymeric | 24V | 3 A | 6 A | 40 A | 5 s | - | - | - | - | - | - | - | Surface Mount | 0.295" L x 0.201" W (7.50mm x 5.10mm) | - | 0.043" (1.10mm) | - |
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FEMTOSMDC005F-2PTC RESET FUSE 15V 50MA 0603 |
7,779 |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, femtoSMD | Tape & Reel (TR) | Active | Polymeric | 15V | 50 mA | 150 mA | 40 A | 100 ms | 3.8 Ohms | 30 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.033" (0.85mm) | - |
|
AHS300-2PTC RESET FUSE 16V 3A 2SMD |
2,921 |
|
Datasheet | 2-SMD | PolySwitch®, AHS | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | 6 A | 70 A | 8 s | 24 mOhms | 83 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
|
|
2920L110/60MRPTC RESET FUSE 60V 1.1A 2920 |
39,778 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 60V | 1.1 A | 2.2 A | 20 A | 500 ms | 120 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.289" L x 0.202" W (7.36mm x 5.12mm) | - | 0.079" (2.00mm) | - |
|
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2920L185DRPTC RESET FUSE 33V 1.85A 2920 |
6,913 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 33V | 1.85 A | 3.7 A | 40 A | 2.5 s | 50 mOhms | 150 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.289" L x 0.202" W (7.35mm x 5.12mm) | - | 0.049" (1.25mm) | - |
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MF-NSMF200-2PTC RESET FUSE 6V 2A 1206 |
3,049 |
|
Datasheet | 1206 (3216 Metric), Concave | Multifuse®, MF-NSMF | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 4 A | 100 A | 1 s | 20 mOhms | 85 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.128" L x 0.063" W (3.25mm x 1.60mm) | - | 0.063" (1.60mm) | - |
|
SRP350FPTC RESET FUSE 30V 3.5A STRAP |
32,069 |
|
Datasheet | Strap | PolySwitch®, SRP | Bulk | Active | Polymeric | 30V | 3.5 A | 6.3 A | 100 A | 3 s | 17 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.185" L x 0.522" W (30.10mm x 13.25mm) | - | 0.043" (1.10mm) | - |
|
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SRP200FPTC RESET FUSE 30V 2A STRAP |
18,535 |
|
Datasheet | Strap | PolySwitch®, SRP | Bulk | Active | Polymeric | 30V | 2 A | 4.4 A | 100 A | 4 s | 30 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.880" L x 0.417" W (22.35mm x 10.60mm) | - | 0.043" (1.10mm) | - |
|
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2920L300/15DRPTC RESET FUSE 15V 3A 2920 |
4,390 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 15V | 3 A | 5 A | 40 A | 20 s | 15 mOhms | 48 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.289" L x 0.202" W (7.35mm x 5.12mm) | - | 0.049" (1.25mm) | - |
|
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RUEF600PTC RESET FUSE 30V 6A RADIAL |
15,967 |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | 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) | 0.949" (24.10mm) | - | 0.400" (10.15mm) |
|
MF-R900PTC RESET FUSE 30V 9A RADIAL |
1,928 |
|
Datasheet | Radial, Disc | Multifuse®, MF-R | Bulk | Active | 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) |
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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