PTC Resettable Fuses
Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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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SMD1206P020TSAPTC RESET FUSE 16V 200MA 1206 |
7,792 | - |
|
Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, SMD1206 | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 200 mA | 400 mA | 40 A | 50 ms | 600 mOhms | 2.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |
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SMD1206P025TSAPTC RESET FUSE 16V 250MA 1206 |
7,058 | - |
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Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, SMD1206 | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 250 mA | 500 mA | 40 A | 80 ms | 550 mOhms | 2.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.030" (0.75mm) | - |
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SRP350PTC RESET FUSE 30V 3.5A STRAP |
2,393 | - |
|
Datasheet | Strap | PolySwitch®, SRP | Bulk | Obsolete | 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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LR4-170UFPTC RESET FUSE 15V 1.7A STRAP |
4,225 | - |
|
Datasheet | Strap | PolySwitch® | Bulk | Obsolete | Polymeric | 15V | 1.7 A | 3.4 A | 100 A | 5 s | 44 mOhms | 114 mOhms | - | - | - | - | - | User Defined | 0.787" L x 0.156" W (20.00mm x 3.95mm) | - | 0.028" (0.70mm) | - |
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LR4-190LFPTC RESET FUSE 15V 1.9A STRAP |
3,945 | - |
|
Datasheet | Strap | PolySwitch®, LR4 | Bag | Obsolete | Polymeric | 15V | 1.9 A | 3.9 A | 100 A | 5 s | 39 mOhms | 102 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.161" L x 0.205" W (29.50mm x 5.20mm) | - | - | - |
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TRF250-110UTPTC RESET FUSE 60V 110MA RADIAL |
3,431 | - |
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Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Obsolete | Polymeric | 60V (250V Int) | 110 mA | 220 mA | 3 A | 1.2 s | 5 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.209" Dia x 0.150" T (5.30mm x 3.80mm) | 0.370" (9.40mm) | - | 0.197" (5.00mm) |
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24LT100UPTC RESET FUSE 24V 1A STRAP |
7,995 | - |
|
Datasheet | Strap | POLY-FUSE®, LT | Bulk | Obsolete | Polymeric | 24V | 1 A | 2.5 A | 100 A | 7 s | 70 mOhms | 260 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.199" W (22.00mm x 5.05mm) | - | 0.039" (1.00mm) | - |
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SRP420PTC RESET FUSE 30V 4.2A STRAP |
6,225 | - |
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Datasheet | Strap | PolySwitch®, SRP | Bulk | Obsolete | Polymeric | 30V | 4.2 A | 7.6 A | 100 A | 6 s | 12 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 1.240" L x 0.522" W (31.50mm x 13.25mm) | - | 0.043" (1.10mm) | - |
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15LR190UPTC RESET FUSE 15V 1.9A STRAP |
8,831 | - |
|
Datasheet | Strap | POLY-FUSE®, LR | Bulk | Obsolete | Polymeric | 15V | 1.9 A | 3.9 A | 100 A | 5 s | 39 mOhms | 102 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.827" L x 0.205" W (21.00mm x 5.20mm) | - | 0.039" (1.00mm) | - |
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SMD1206P035TFAPTC RESET FUSE 6V 350MA 1206 |
4,250 | - |
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Datasheet | 1206 (3216 Metric), Concave | POLY-FUSE®, SMD1206 | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 350 mA | 750 mA | 40 A | 100 ms | 300 mOhms | 1.2 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.024" (0.60mm) | - |
PTC Resettable Fuses FAQ
Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.
How can I narrow the PTC Resettable Fuses selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
