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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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YQA120N4.2PTC RESET FUSE 30V 280MA RADIAL |
6,244 | - |
|
Datasheet |
Radial, Disc | YQ | Bulk | Active | Ceramic | 30V | 280 mA | 560 mA | 3 A | - | - | - | 4.2 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | - | - | - | 0.201" (5.10mm) |
|
YQS5814PTC RESET FUSE |
8,281 | - |
|
- |
- | YQ | Bulk | Active | Ceramic | - | - | - | - | - | - | - | 100 Ohms | - | - | - | - | - | - | - | - | - |
|
YQS8066PTC RESET FUSE 265V 128MA RADIAL |
4,676 | - |
|
Datasheet |
Radial, Disc | YM | Bulk | Active | Ceramic | 265V | 128 mA | 181 mA | 900 mA | - | - | - | 33 Ohms | 0°C ~ 55°C | - | - | - | Through Hole | 0.295" Dia x 0.177" T (7.50mm x 4.50mm) | 0.472" (12.00mm) | - | 0.197" (5.00mm) |
|
2322 661 97203PTC RESET FUSE 300V 150MA 2SMD |
4,536 | - |
|
Datasheet |
2-SMD | - | Tape & Reel (TR) | Obsolete | Ceramic | 300V | 150 mA | 250 mA | - | 3 s | - | - | 10 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
|
2322 661 97204PTC RESET FUSE 400V 120MA 2SMD |
6,651 | - |
|
Datasheet |
2-SMD | - | Tape & Reel (TR) | Obsolete | Ceramic | 400V | 120 mA | 220 mA | - | 2 s | - | - | 25 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
|
2322 661 97205PTC RESET FUSE 400V 120MA 2SMD |
9,648 | - |
|
Datasheet |
2-SMD | - | Cut Tape (CT) | Obsolete | Ceramic | 400V | 120 mA | 220 mA | - | 2 s | - | - | 25 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
|
|
YM120C30N601PTC RESET FUSE 265V 28MA RADIAL |
2,287 | - |
|
Datasheet |
Radial, Disc | YM | Bulk | Obsolete | Ceramic | 265V | 28 mA | 40 mA | 200 mA | - | - | - | 600 Ohms | 0°C ~ 55°C | - | - | - | Through Hole | 0.157" Dia x 0.177" T (4.00mm x 4.50mm) | 0.256" (6.50mm) | - | 0.200" (5.08mm) |
|
|
YM120C45N301PTC RESET FUSE 265V 39MA RADIAL |
4,492 | - |
|
Datasheet |
Radial, Disc | YM | Bulk | Obsolete | Ceramic | 265V | 39 mA | 55 mA | 200 mA | - | - | - | 300 Ohms | 0°C ~ 55°C | - | - | - | Through Hole | 0.157" Dia x 0.177" T (4.00mm x 4.50mm) | 0.256" (6.50mm) | - | 0.200" (5.08mm) |
|
|
YM120C60N151PTC RESET FUSE 265V 57MA RADIAL |
5,598 | - |
|
Datasheet |
Radial, Disc | YM120 | Bulk | Obsolete | Ceramic | 265V | 57 mA | 80 mA | 200 mA | - | - | - | 150 Ohms | 0°C ~ 55°C | - | - | - | Through Hole | 0.157" Dia x 0.177" T (4.00mm x 4.50mm) | 0.256" (6.50mm) | - | 0.200" (5.08mm) |
|
|
250R180TMRPTC RESET FUSE 60V 180MA RADIAL |
5 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 250R | Cut Tape (CT) | Obsolete | Polymeric | 60V (250V Int) | 180 mA | 650 mA | 10 A | 21 s | 1.4 Ohms | 4.5 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.374" Dia x 0.181" T (9.50mm x 4.60mm) | 0.472" (12.00mm) | - | 0.201" (5.10mm) |
|
YQB120N2.30PTC RESET FUSE 80V 550MA RADIAL |
4,515 | - |
|
Datasheet |
Radial, Disc | YQ | Bulk | Active | Ceramic | 80V | 550 mA | 1.1 A | 8 A | - | - | - | 2.3 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.689" Dia x 0.157" T (17.50mm x 4.00mm) | - | - | 0.201" (5.10mm) |
|
|
YM120D170R250PTC RESET FUSE 265V 161MA RADIAL |
3,783 | - |
|
Datasheet |
Radial, Disc | YM120 | Tape & Reel (TR) | Active | Ceramic | 265V | 161 mA | 228 mA | 1.1 A | - | - | - | 25 Ohms | 0°C ~ 55°C | - | - | - | Through Hole | 0.335" Dia x 0.177" T (8.50mm x 4.50mm) | 0.433" (11.00mm) | - | 0.200" (5.08mm) |
|
RL7510-10-110-120-PTFPTC RESET FUSE 120V 330MA RADIAL |
3,372 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Obsolete | Ceramic | 120V | 330 mA | 490 mA | - | - | - | - | 10 Ohms | - | - | - | - | Through Hole | 0.799" Dia x 0.228" T (20.30mm x 5.80mm) | 0.799" (20.30mm) | - | 0.331" (8.40mm) |
|
RL7008-1.5-110-25-PTFPTC RESET FUSE 25V 810MA RADIAL |
3,508 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Obsolete | Ceramic | 25V | 810 mA | 1.19 A | - | - | - | - | 1.5 Ohms | - | - | - | - | Through Hole | 0.752" Dia x 0.181" T (19.10mm x 4.60mm) | 0.752" (19.10mm) | - | 0.331" (8.40mm) |
|
RL6315-100-110-240-PTFPTC RESET FUSE 240V 100MA RADIAL |
5,427 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Obsolete | Ceramic | 240V | 100 mA | 150 mA | - | - | - | - | 100 Ohms | - | - | - | - | Through Hole | 0.650" Dia x 0.272" T (16.50mm x 6.90mm) | 0.650" (16.50mm) | - | 0.331" (8.40mm) |
|
RL6315-250-110-240-PTFPTC RESET FUSE 240V 60MA RADIAL |
6,609 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Obsolete | Ceramic | 240V | 60 mA | 90 mA | - | - | - | - | 250 Ohms | - | - | - | - | Through Hole | 0.650" Dia x 0.272" T (16.50mm x 6.90mm) | 0.650" (16.50mm) | - | 0.331" (8.40mm) |
|
RL7510-10-120-120-PTOPTC RESET FUSE 120V RADIAL DISC |
6,764 | - |
|
Datasheet |
Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 120V | - | - | - | 90 s | - | - | 10 Ohms | - | - | - | - | Through Hole | 0.800" Dia x 0.230" T (20.32mm x 5.84mm) | 0.799" (20.30mm) | - | 0.330" (8.38mm) |
|
RL7020-1K-100-480-PTOPTC RESET FUSE 480V RADIAL DISC |
3,994 | - |
|
Datasheet |
Radial, Disc | PTO | Bulk | Obsolete | Ceramic | 480V | - | - | - | 90 s | - | - | 1 kOhms | - | - | - | - | Through Hole | 0.750" Dia x 0.320" T (19.05mm x 8.13mm) | 0.750" (19.05mm) | - | 0.330" (8.38mm) |
|
YQS5893PTOPTC RESET FUSE 12V RADIAL DISC |
5,679 | - |
|
Datasheet |
Radial, Disc | PTO | Bulk | Active | Ceramic | 12V | - | - | - | - | - | - | 2.5 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.600" Dia x 0.160" T (15.24mm x 4.06mm) | 0.669" (17.00mm) | - | 0.197" (5.00mm) |
|
|
YQZ120N1.00PTC RESET FUSE 18V 650MA RADIAL |
6,412 | - |
|
Datasheet |
Radial, Disc | YQ | Bulk | Active | Ceramic | 18V | 650 mA | 1.2 A | 3 A | - | - | - | 1 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | - | - | - | 0.236" (6.00mm) |

