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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PRG21AR8R2MS5RAPTC RESET FUSE |
6,220 | - |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PRG21BC3R3MS5RAPTC RESET FUSE |
2,574 | - |
|
Datasheet | - | * | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PTGL07AR4R6H2B51A0PTC RESET FUSE 30V 340MA RADIAL |
6,787 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 340 mA | 610 mA | 2 A | - | - | - | 4.6 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.291" Dia x 0.157" T (7.40mm x 4.00mm) | 0.528" (13.40mm) | - | 0.197" (5.00mm) |
|
PTGL07AS1R8K2B51A0PTC RESET FUSE 30V 532MA RADIAL |
5,715 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Tape & Box (TB) | Obsolete | Ceramic | 30V | 532 mA | 708 mA | 5 A | - | - | - | 1.8 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
|
PTGL09AR4R7M3B51A0PTC RESET FUSE 56V 350MA RADIAL |
4,736 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 56V | 350 mA | 600 mA | 2 A | - | - | - | 4.7 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.374" Dia x 0.157" T (9.50mm x 4.00mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
|
PTGL05AR121M9N51B1FD |
9,452 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Active | Ceramic | 265V | 47 mA | 75 mA | 300 mA | - | 96 Ohms | 144 Ohms | 120 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.256" T (6.50mm x 6.50mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
|
PTGL05BD102N9N51B0PTC RESET FUSE |
6,646 | - |
|
Datasheet | - | * | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PTGL4SAS100K3B51A0PTC RESET FUSE 51V 213MA RADIAL |
4,390 | - |
|
Datasheet | Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 213 mA | 283 mA | 1 A | - | - | - | 10 Ohms | -30°C ~ 125°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.374" (9.50mm) | - | 0.197" (5.00mm) |
|
PTGL07AR470M3B51B0PTC RESET FUSE 47OHM 120C |
3,835 | - |
|
Datasheet | Radial, Disc | Posistor® | Bulk | Obsolete | Ceramic | - | - | - | - | - | - | - | 47 Ohms | - | - | - | - | Through Hole | - | - | - | - |
|
PTGL07AR4R7M2P51B0PTC RESET FUSE 4.7OHM 120C |
3,269 | - |
|
Datasheet | Radial, Disc | Posistor® | Bulk | Obsolete | Ceramic | - | - | - | - | - | - | - | 4.7 Ohms | - | - | - | - | Through Hole | - | - | - | - |
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.