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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RS30-800PTC RESET FUSE 30V 8A RADIAL |
446 |
|
Datasheet | Radial, Disc | RS30 | Bulk | Active | Polymeric | 30V | 8 A | 16 A | 100 A | 18.8 s | 5 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.850" L x 0.118" W (21.60mm x 3.00mm) | 1.150" (29.20mm) | - | 0.402" (10.20mm) |
|
0603L175SLYRTPTC 6V POLYFUSE SMT 0603 SL 1.75 |
4,950 |
|
Datasheet | 0603 (1608 Metric), Concave | PolySwitch®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 1.75 A | 3.5 A | 6 A | 600 ms | 5 mOhms | 60 MOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.040" (1.02mm) | - |
|
FSMD260-16RRESETTABLE FUSE - SMD, 1812 SIZE |
10,250 |
|
Datasheet | 1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 16V | 2.6 A | 5 A | 100 A | 5 s | 15 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
|
FSMD200-16RRESETTABLE FUSE - SMD, 1812 SIZE |
3,000 |
|
Datasheet | 1812 (4532 Metric), Concave | FSMD1812 | Tape & Reel (TR) | Active | - | 16V | 2 A | 3.5 A | 100 A | 5 s | 20 mOhms | 85 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
1206L450/12SLWRPTC 12V POLYFUSE SMT 1206 SL 4.5 |
3,834 |
|
Datasheet | 1206 (3216 Metric), Concave | Lo Rho | Tape & Reel (TR) | Active | Polymeric | 12V | 4.5 A | 9 A | 50 A | 2 s | 3 mOhms | 14 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.126" L x 0.065" W (3.20mm x 1.65mm) | - | 0.063" (1.60mm) | - |
|
RS120-185PTC RESET FUSE 120V 1.85A RADIAL |
142 |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 1.85 A | 3.7 A | 12 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.783" Dia x 0.161" T (19.90mm x 4.10mm) | 0.980" (24.90mm) | - | 0.201" (5.10mm) |
|
1210L380SLYRPTC RESET FUSE 6V 3.8A 1210 |
8,000 |
|
Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 3.8 A | 8 A | 50 A | 5 s | 2 mOhms | 16 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.028" (0.70mm) | - |
|
0603L200SLYRPTC RESET FUSE 6V 2A 0603 |
4,000 |
|
Datasheet | 0603 (1608 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2 A | 4 A | 50 A | 1 s | 5 mOhms | 50 mOhms | - | - | - | - | - | Surface Mount | 0.063" L x 0.032" W (1.60mm x 0.80mm) | - | 0.039" (1.00mm) | - |
|
RS30-900PTC RESET FUSE 30V 9A RADIAL |
3,895 |
|
Datasheet | Radial, Disc | RS30 | 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) | 1.169" (29.70mm) | - | 0.402" (10.20mm) |
.jpg "RS120-200")
|
RS120-200PTC RESET FUSE 120V 2A RADIAL |
4,072 |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 2 A | 4.2 A | 20 A | 36 s | 80 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.925" L x 0.161" W (23.50mm x 4.10mm) | 1.098" (27.90mm) | - | 0.201" (5.10mm) |
|
0805L075WR-APTC RESET FUSE 6V 750MA 0805 |
3,000 |
|
Datasheet | 0805 (2012 Metric), Concave | POLY-FUSE®, 0805L | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 40 A | 200 ms | 90 mOhms | 350 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.049" (1.25mm) | - |
|
0402L005KRPTC 9V POLYFUSE SMT 0402 .05A |
26,201 |
|
Datasheet | 0402 (1005 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 9V | 50 mA | 200 mA | 40 A | 1.5 s | 1.5 Ohms | 20 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.039" L x 0.020" W (1.00mm x 0.50mm) | - | 0.024" (0.60mm) | - |
.jpg "RS120-300")
|
RS120-300PTC RESET FUSE 120V 3A RADIAL |
2,665 |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 3 A | 6 A | 17 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.886" Dia x 0.161" T (22.50mm x 4.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
|
|
0805L035YR-APTC RESET FUSE 6V 350MA 0805 |
1,730 |
|
Datasheet | 0805 (2012 Metric), Concave | POLY-FUSE®, 0805L | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 100 A | 100 ms | 250 mOhms | 1.2 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.030" (0.75mm) | - |
|
|
RS120-375PTC RESET FUSE 120V 3.75A RADIAL |
152 |
|
Datasheet | Radial, Disc | RS120 | Bulk | Active | Polymeric | 120V (135V Int) | 3.75 A | 7.5 A | 20 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.004" Dia x 0.161" T (25.50mm x 4.10mm) | 1.339" (34.00mm) | - | 0.402" (10.20mm) |
|
2920L700SLPRPTC RESET FUSE 6V 7A 2920 |
6,150 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 7 A | 14 A | 50 A | 200 ms | 1 mOhms | 7 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.289" L x 0.202" W (7.35mm x 5.12mm) | - | 0.026" (0.65mm) | - |
|
PTCTT95R100GTEPTC RESET FUSE 240V 140MA 4SMD |
895 |
|
Datasheet | 4-SMD | - | Tape & Reel (TR) | Active | Ceramic | 240V | 140 mA | 300 mA | 4 A | 4 s | - | - | 10 Ohms | -40°C ~ 85°C | - | - | - | Surface Mount | 0.354" L x 0.283" W (9.00mm x 7.20mm) | - | 0.272" (6.90mm) | - |
|
YQS5876PTFPTC RESET FUSE 240V 100MA RADIAL |
912 |
|
Datasheet | Radial, Disc | PTF | Bulk | Active | Ceramic | 240V | 100 mA | 210 mA | - | - | - | - | 50 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.650" Dia x 0.272" T (16.50mm x 6.90mm) | 0.650" (16.50mm) | - | 0.331" (8.40mm) |
|
MPTS1812L11016RPTC RESET FUSE 16V 1.1A 1812 |
2,000 |
|
Datasheet | 1812 (4532 Metric), Concave | MPTS | Tape & Reel (TR) | Active | Polymeric | 16V | 1.1 A | 2.2 A | 100 A | 500 ms | 60 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.051" (1.30mm) | - |
|
|
MPTS1812L035PTC RESET FUSE 16V 0.35A 1812 |
14,000 |
|
Datasheet | 1812 (4532 Metric) | MPTS | Tape & Reel (TR) | Active | Polymeric | 16V | 350 mA | 700 mA | 100 A | 100 ms | 320 mOhms | 1.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
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.
