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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1812L125ZRPTC RESET FUSE 1.25A 1812 |
4,554 | - |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Obsolete | Polymeric | - | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
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1812L150ZRTPTC RESET FUSE 8V 1.25A 1812 |
7,114 | - |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Obsolete | Polymeric | 8V | 1.25 A | 3 A | 100 A | 300 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
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1812L160ZRTPTC RESET FUSE 8V 1.6A 1812 |
3,909 | - |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Obsolete | Polymeric | 8V | 1.6 A | 2.8 A | 100 A | 1 s | 30 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.030" (0.75mm) | - |
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1210L500SLTH-VYRPTC RESET FUSE 6V 5A 1210 |
4,205 | - |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 5 A | 10 A | 50 A | - | - | - | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.031" (0.80mm) | - |
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BK16-800-SZPTC RESET FUSE 16V 8A RAD |
7,299 | - |
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Datasheet | Radial, Disc | BK16 | Bulk | Active | Polymeric | 16V | 8 A | 16 A | 100 A | 5.6 s | 6 mOhms | 14.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" L x 0.122" W (14.50mm x 3.10mm) | 0.984" (25.00mm) | - | 0.201" (5.10mm) |
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BK16-900-SZPTC RESET FUSE 16V 9A RAD |
5,879 | - |
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Datasheet | Radial, Disc | BK16 | Bulk | Active | Polymeric | 16V | 9 A | 18 A | 100 A | 4.7 s | 4 mOhms | 12 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.591" L x 0.122" W (15.00mm x 3.10mm) | 0.984" (25.00mm) | - | 0.201" (5.10mm) |
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RTEF135-2PTC RESET FUSE 33V 1.35A RADIAL |
5,500 | - |
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Datasheet | Radial, Disc | PolySwitch® | Tape & Reel (TR) | Obsolete | Polymeric | 33V | 1.35 A | 2.5 A | 40 A | 4.5 s | 59 mOhms | 143 mOhms | - | - | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.559" (14.20mm) | - | 0.199" (5.05mm) |
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RHEF050USPTC RESET FUSE 30V 500MA RADIAL |
7,862 | - |
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Datasheet | Radial, Disc | PolySwitch®, RHEF | Bag | Obsolete | Polymeric | 30V | 500 mA | 920 mA | 40 A | 2.5 s | 480 mOhms | 1.1 Ohms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.201" Dia x 0.118" T (5.10mm x 3.00mm) | 0.201" (5.10mm) | - | 0.199" (5.05mm) |
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RXE110-2PTC RESET FUSE 72V 1.1A RADIAL |
4,810 | - |
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Datasheet | Radial, Disc | PolySwitch®, RXE | Tape & Reel (TR) | Obsolete | Polymeric | 72V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | - | - | - | - | Through Hole | 0.504" Dia x 0.118" T (12.80mm x 3.00mm) | 0.689" (17.50mm) | - | 0.199" (5.05mm) |
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0ZRB0400FA2BPTC RESET FUSE |
6,466 | - |
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Datasheet | Radial, Disc | 0ZRB | Tape & Reel (TR) | Active | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.551" L x 0.118" W (14.00mm x 3.00mm) | 0.791" (20.10mm) | - | 0.201" (5.10mm) |
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MINISMDE190F-2PTC RESET FUSE 16V 1.9A 4520 |
7,902 | - |
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Datasheet | 4520 (11350 Metric), Concave | PolySwitch® | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 1.9 A | 3.8 A | 100 A | 2 s | 24 mOhms | - | - | - | - | - | - | Surface Mount | 0.446" L x 0.200" W (11.33mm x 5.08mm) | - | 0.021" (0.53mm) | - |
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RUSBF160-2PTC RESET FUSE 16V 1.6A RADIAL |
2,111 | - |
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Datasheet | Radial, Disc | PolySwitch®, RUSBF | Tape & Reel (TR) | Active | Polymeric | 16V | 1.6 A | 3.2 A | 40 A | 9 s | 30 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.598" (15.20mm) | - | 0.199" (5.05mm) |
;RK.JPG "PRG21AR220MB1RK")
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PRG21AR220MB1RKPTC RESET FUSE 16V 75MA 0805 |
8,849 | - |
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Datasheet | 0805 (2012 Metric) | POSISTOR®, PRG | Tape & Reel (TR) | Active | Ceramic | 16V | 75 mA | 195 mA | 900 mA | - | - | - | 22 Ohms | -40°C ~ 105°C | - | - | - | Surface Mount | 0.079" L x 0.049" W (2.00mm x 1.25mm) | - | 0.057" (1.45mm) | - |
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SMD1210P005TFAPTC RESET FUSE 30V 50MA 1210 |
3,914 | - |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, SMD1210 | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 50 mA | 150 mA | 10 A | 1.5 s | 3.6 Ohms | 50 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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SMD1210P010TFAPTC RESET FUSE 30V 100MA 1210 |
7,021 | - |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, SMD1210 | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 100 mA | 300 mA | 10 A | 1.5 s | 1.6 Ohms | 15 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.039" (1.00mm) | - |
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SMD1210P020TFAPTC RESET FUSE 30V 200MA 1210 |
5,364 | - |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, SMD1210 | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 200 mA | 400 mA | 10 A | 20 ms | 800 mOhms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.032" (0.80mm) | - |
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SMD1210P035TFAPTC RESET FUSE 6V 350MA 1210 |
3,759 | - |
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Datasheet | 1210 (3225 Metric), Concave | POLY-FUSE®, SMD1210 | Tape & Reel (TR) | Obsolete | Polymeric | 6V | 350 mA | 700 mA | 40 A | 200 ms | 320 mOhms | 1.3 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.027" (0.68mm) | - |
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TCF250-120PTC RESET FUSE 60V 120MA SMD |
8,703 | - |
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Datasheet | Nonstandard SMD | PolySwitch®, TCF250 | Bulk | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 900 ms | 5 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.217" L x 0.217" W (5.50mm x 5.50mm) | - | 0.091" (2.30mm) | - |
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PTGL06AR0R8M1B51A0PTC RESET FUSE 16V 505MA RADIAL |
6,239 | - |
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Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 16V | 505 mA | 955 mA | 3 A | - | - | - | 800 mOhms | -10°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.138" T (6.50mm x 3.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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0ZCC0150FF2CPTC RESET FUSE 8V 1.5A 1812 |
3,085 | - |
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Datasheet | 1812 (4532 Metric) | 0ZCC | Tape & Reel (TR) | Obsolete | Polymeric | 8V | 1.5 A | 3 A | 100 A | 500 ms | 40 mOhms | 110 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
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.
