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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RF4510-000LR4-550LF |
9,983 | - |
|
Datasheet | - | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
LR4-700XHFPTC RESET FUSE 20V 7A STRAP |
7,695 | - |
|
Datasheet | Strap | PolySwitch®, LR4 | Bulk | Obsolete | Polymeric | 20V | 7 A | - | 100 A | 5 s | - | - | - | - | - | - | - | User Defined | - | - | - | - |
|
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TD0710-B33-2JBPTC RESET FUSE |
5,836 | - |
|
Datasheet | - | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
16R185BPRPTC RESET FUSE 16V 1.85A RADIAL |
9,954 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, USBR | Cut Tape (CT) | Obsolete | Polymeric | 16V | 1.85 A | 3.7 A | 40 A | 10 s | 30 mOhms | 90 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" L x 0.118" W (10.20mm x 3.00mm) | 0.618" (15.70mm) | - | 0.201" (5.10mm) |
|
MINISMDC200-2PTC RESET FUSE 8V 2A 1812 |
3,361 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch®, miniSMD | Tape & Reel (TR) | Obsolete | Polymeric | 8V | 2 A | 4 A | 100 A | 5 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.048" (1.22mm) | - |
|
AGRF1400-2PTC RESET FUSE 16V 14A RADIAL |
6,141 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Tape & Reel (TR) | Active | Polymeric | 16V | 14 A | 27.3 A | 100 A | 9 s | 2.2 mOhms | 6.4 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.925" L x 0.138" W (23.50mm x 3.50mm) | 1.130" (28.70mm) | - | 0.400" (10.15mm) |
|
MINISMD050-2PTC RESET FUSE 500MA 1812 |
4,051 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Obsolete | - | - | 500 mA | - | - | - | - | - | - | - | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.024" (0.62mm) | - |
|
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MINISMD075-2PTC RESET FUSE 750MA 1812 |
7,018 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Obsolete | - | - | 750 mA | - | - | - | - | - | - | - | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.024" (0.62mm) | - |
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MICROSMD110-2PTC RESET FUSE 6V 1.1A 1210 |
9,635 | - |
|
Datasheet | 1210 (3225 Metric), Concave | PolySwitch®, microSMD | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 1.1 A | 2.2 A | 40 A | 200 ms | 70 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.019" (0.48mm) | - |
|
NANOSMDM050-2POLYSWITCH 0.50A RESET FUSE SMD |
7,360 | - |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, nanoSMD | Cut Tape (CT) | Obsolete | Polymeric | 6V | 500 mA | 1 A | 40 A | 100 ms | 150 mOhms | 700 mOhms | - | - | - | - | - | Surface Mount | 0.126" L x 0.063" W (3.20mm x 1.59mm) | - | 0.047" (1.20mm) | - |
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.
