PTC Resettable Fuses
Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| Photo | Mfr. Part # | Availability | Price | 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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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) |
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0603L175SLYRTPTC 6V POLYFUSE SMT 0603 SL 1.75 |
4,950 | - |
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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) | - |
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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) | - |
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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) | - |
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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) |
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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")
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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")
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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) |
|
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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) | - |
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|
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) | - |
PTC Resettable Fuses FAQ
Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.
What should I check when selecting PTC Resettable Fuses components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific PTC Resettable Fuses part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for PTC Resettable Fuses components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
