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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TRF250-120T-R1-B-0.5PTC RESET FUSE 60V 120MA RADIAL |
3,903 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
|
250R145ZRPTC RESET FUSE 60V 145MA RADIAL |
9,512 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 250R | Cut Tape (CT) | Active | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" L x 0.181" W (6.50mm x 4.60mm) | 0.433" (11.00mm) | - | 0.201" (5.10mm) |
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PTCCL05H390HBEPTC RESET FUSE 265V 39MA RADIAL |
2,935 | - |
|
Datasheet | Radial, Disc | PTCCL - 265V | Bulk | Active | Ceramic | 265V | 39 mA | 59 mA | 300 mA | - | - | - | 260 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.197" Dia x 0.217" T (5.00mm x 5.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
|
PTCCL05H271DBEPTC RESET FUSE 30V 270MA RADIAL |
7,972 | - |
|
Datasheet | Radial, Disc | PTCCL - 30V | Bulk | Active | Ceramic | 30V | 270 mA | 405 mA | 2.5 A | - | - | - | 6 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.197" Dia x 0.157" T (5.00mm x 4.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
LR4-260SFPTC RESET FUSE 15V 2.6A STRAP |
9,327 | - |
|
Datasheet | Strap | PolySwitch®, LR4 | Bag | Active | Polymeric | 15V | 2.6 A | 5.8 A | 100 A | 5 s | 20 mOhms | 63 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | - | - |
|
AGRF800PTC RESET FUSE 16V 8A RADIAL |
3,214 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AGRF | Bag | Active | Polymeric | 16V | 8 A | 15 A | 100 A | 5.5 s | 4.9 mOhms | 17.5 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.874" (22.20mm) | - | 0.199" (5.05mm) |
|
TRF250-184PTC RESET FUSE 100V 184MA RADIAL |
4,719 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF250 | Bag | Active | Polymeric | 100V (250V Int) | 184 mA | 1 A | 10 A | 1.3 s | 1.2 Ohms | 3.1 Ohms | - | 0°C ~ 85°C | - | - | - | Through Hole | 0.303" Dia x 0.181" T (7.70mm x 4.60mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
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|
MF-PSML075/6-2PTC RESET FUSE 6V 750A 0805 |
9,616 | - |
|
Datasheet | 0805 (2012 Metric), Concave | Multifuse®, MF-PSML/X | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 50 A | 200 ms | 40 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.085" L x 0.053" W (2.15mm x 1.35mm) | - | 0.028" (0.70mm) | - |
|
RXEF375KPTC RESET FUSE 72V 3.75A RADIAL |
7,924 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.035" Dia x 0.118" T (26.30mm x 3.00mm) | 1.224" (31.10mm) | - | 0.400" (10.15mm) |
|
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PTCCL07H411DBEPTC RESET FUSE 30V 410MA RADIAL |
4,479 | - |
|
Datasheet | Radial, Disc | PTCCL - 30V | Bulk | Active | Ceramic | 30V | 410 mA | 615 mA | 4.5 A | - | - | - | 3 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.276" Dia x 0.157" T (7.00mm x 4.00mm) | 0.472" (12.00mm) | - | 0.197" (5.00mm) |
|
|
PTCCL07H141HBEPTC RESET FUSE 265V 140MA RADIAL |
8,770 | - |
|
Datasheet | Radial, Disc | PTCCL - 265V | Bulk | Active | Ceramic | 265V | 140 mA | 210 mA | 800 mA | - | - | - | 29 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.276" Dia x 0.217" T (7.00mm x 5.50mm) | 0.472" (12.00mm) | - | 0.197" (5.00mm) |
|
RGEF1400-1PTC RESET FUSE 16V 14A RADIAL |
3,085 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 14 A | 23.8 A | 100 A | 9 s | 2.6 mOhms | 6.4 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.925" L x 0.114" W (23.50mm x 2.90mm) | 1.098" (27.90mm) | - | 0.400" (10.15mm) |
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B59955C0160A070PTC RESET FUSE 20V 950MA RADIAL |
2,079 | - |
|
Datasheet | Radial, Disc | B59955 | Bulk | Active | Ceramic | 20V | 950 mA | 1.9 A | 5.5 A | - | - | - | 800 mOhms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.532" Dia x 0.138" T (13.50mm x 3.50mm) | 0.669" (17.00mm) | - | 0.197" (5.00mm) |
|
RGEF1200-2PTC RESET FUSE 16V 12A RADIAL |
6,087 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Tape & Reel (TR) | Active | Polymeric | 16V | 12 A | 20.4 A | 100 A | 7.5 s | 3.3 mOhms | 8.6 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.670" L x 0.115" W (16.95mm x 2.90mm) | 1.102" (28.00mm) | - | 0.400" (10.15mm) |
|
16R800GFPTC RESET FUSE 16V 8A RADIAL |
6,196 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 16R | Bulk | Active | Polymeric | 16V | 8 A | 13.6 A | 100 A | 5 s | 5.6 mOhms | 17.5 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.500" L x 0.118" W (12.70mm x 3.00mm) | 0.823" (20.90mm) | - | 0.201" (5.10mm) |
|
LVR125K-240PTC RESET FUSE |
1,219 | - |
|
Datasheet | Radial, Disc | LVR | Bulk | Active | Polymeric | 240V (265V Int) | 1.25 A | 2.5 A | 12.5 A | 23 s | 165 mOhms | 440 mOhms | 253 mOhms | -20°C ~ 85°C | - | - | - | Through Hole | 0.835" Dia (21.20mm) | 1.252" (31.80mm) | - | 0.400" (10.15mm) |
|
PTSLR18126V500PTC RESET FUSE 6V 5A 1812 |
2,719 | - |
|
Datasheet | 1812 (4532 Metric), Concave | PTSLR1812 | Tape & Reel (TR) | Active | Polymeric | 6V | 5 A | 10 A | 50 A | 2 s | 1 mOhms | 13 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.047" (1.20mm) | - |
|
YS5921PTOPTC RESET FUSE 120V RADIAL DISC |
9,009 | - |
|
Datasheet | Radial, Disc | PTO | Bulk | Active | Ceramic | 120V | - | - | - | - | - | - | 200 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.300" Dia x 0.200" T (7.62mm x 5.08mm) | 0.300" (7.62mm) | - | 0.150" (3.81mm) |
|
TRF600-250PTC RESET FUSE 250V 250MA RADIAL |
2,888 | - |
|
Datasheet | Radial, Disc | PolySwitch®, TRF600 | Bulk | Active | Polymeric | 250V (600V Int) | 250 mA | 850 mA | 3 A | 1 s | 1 Ohms | 7 Ohms | 4.3 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.591" L x 0.181" W (15.00mm x 4.60mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
|
SMDCH125F/24-02PTC RESET FUSE 24V 1.25A 2920 |
9,413 | - |
|
Datasheet | 2920 (7351 Metric), Concave | SMDC | Tape & Reel (TR) | Active | Polymeric | 24V | 1.25 A | 2.5 A | 20 A | 500 ms | - | - | - | - | - | - | - | Surface Mount | 0.295" L x 0.201" W (7.50mm x 5.10mm) | - | 0.055" (1.40mm) | - |
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.
