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0755-82798135PTC Resettable Fuses
PTC Resettable Fuses
PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.
This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.
TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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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RLD60P300XFFPTC RESET FUSE 60V 3A RADIAL |
3,965 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, RLD60 | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.980" Dia x 0.122" T (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
|
RLD60P375XFFPTC RESET FUSE 60V 3.75A RADIAL |
2,005 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, RLD60 | Tape & Box (TB) | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
|
PTGL04AS100K2B51B0PTC RESET FUSE 30V 212MA RADIAL |
4,127 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 212 mA | 282 mA | 2 A | - | - | - | 10 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTGL05AS3R9K2B51B0PTC RESET FUSE 30V 340MA RADIAL |
4,623 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 340 mA | 452 mA | 3.5 A | - | - | - | 3.9 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.138" T (5.50mm x 3.50mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
|
PTGL07AS2R7K2B51B0PTC RESET FUSE 30V 425MA RADIAL |
8,735 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 425 mA | 565 mA | 4.5 A | - | - | - | 2.7 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) |
|
PTGL07AS1R8K2B51B0PTC RESET FUSE 30V 532MA RADIAL |
3,805 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | 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) |
|
PTGL09AS1R2K2B51B0PTC RESET FUSE 30V 704MA RADIAL |
6,821 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 30V | 704 mA | 936 mA | 6 A | - | - | - | 1.2 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
|
PTGL04AS100K3B51B0PTC RESET FUSE 51V 213MA RADIAL |
4,691 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 213 mA | 283 mA | 1 A | - | - | - | 10 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTGL05AS6R8K3B51B0PTC RESET FUSE 51V 249MA RADIAL |
8,992 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 249 mA | 331 mA | 1.5 A | - | - | - | 6.8 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.138" T (5.50mm x 3.50mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
|
PTGL09AS2R2K3B51B0PTC RESET FUSE 51V 522MA RADIAL |
4,886 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 51V | 522 mA | 694 mA | 4 A | - | - | - | 2.2 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
|
PTGL04AS220K4N51B0PTC RESET FUSE 60V 112MA RADIAL |
3,455 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 112 mA | 149 mA | 1 A | - | - | - | 22 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTGL04AS220K4B51B0PTC RESET FUSE 60V 145MA RADIAL |
8,617 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 145 mA | 193 mA | 1 A | - | - | - | 22 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.138" T (4.50mm x 3.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTGL05AS100K4B51B0PTC RESET FUSE 60V 215MA RADIAL |
6,720 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 215 mA | 286 mA | 1.5 A | - | - | - | 10 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.138" T (5.50mm x 3.50mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
|
PTGL07AS5R6K4B51B0PTC RESET FUSE 60V 290MA RADIAL |
5,751 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 290 mA | 386 mA | 3 A | - | - | - | 5.6 Ohms | -20°C ~ 80°C | - | - | - | Through Hole | 0.287" Dia x 0.138" T (7.30mm x 3.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
|
PTGL09AS3R3K4B51B0PTC RESET FUSE 60V 421MA RADIAL |
6,595 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 421 mA | 560 mA | 4 A | - | - | - | 3.3 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
|
PTGL12AS2R2K4B51B0PTC RESET FUSE 60V 556MA RADIAL |
5,725 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 60V | 556 mA | 739 mA | 5 A | - | - | - | 2.2 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.453" Dia x 0.138" T (11.50mm x 3.50mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
|
PTGL04AS560K6B51B0PTC RESET FUSE 140V 94MA RADIAL |
6,837 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 94 mA | 125 mA | 500 mA | - | - | - | 56 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.177" Dia x 0.177" T (4.50mm x 4.50mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
PTGL05AS270K6B51B0PTC RESET FUSE 140V 134MA RADIAL |
7,012 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 134 mA | 178 mA | 1 A | - | - | - | 27 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.217" Dia x 0.177" T (5.50mm x 4.50mm) | 0.413" (10.50mm) | - | 0.197" (5.00mm) |
|
PTGL07AS150K6B51B0PTC RESET FUSE 140V 187MA RADIAL |
4,548 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 187 mA | 249 mA | 1.5 A | - | - | - | 15 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.287" Dia x 0.177" T (7.30mm x 4.50mm) | 0.484" (12.30mm) | - | 0.197" (5.00mm) |
|
PTGL09AS7R6K6B51B0PTC RESET FUSE 140V 287MA RADIAL |
7,704 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 287 mA | 382 mA | 2.2 A | - | - | - | 7.6 Ohms | -30°C ~ 85°C | - | - | - | Through Hole | 0.366" Dia x 0.138" T (9.30mm x 3.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |

