Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
B59850C0160A070PTC RESET FUSE 160V 250MA RADIAL |
119 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Active | Ceramic | 160V | 250 mA | 500 mA | 2.2 A | - | - | - | 10 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.532" Dia x 0.197" T (13.50mm x 5.00mm) | 0.669" (17.00mm) | - | 0.197" (5.00mm) |
|
B59870C0120A051PTC RESET FUSE 265V 100MA RADIAL |
10,321 | - |
|
Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 265V | 100 mA | 200 mA | 1 A | - | - | - | 25 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.354" Dia x 0.197" T (9.00mm x 5.00mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
|
B59873C0120A051PTC RESET FUSE 265V 70MA RADIAL |
4,000 | - |
|
Datasheet |
Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 265V | 70 mA | 140 mA | 1 A | - | - | - | 45 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.354" Dia x 0.197" T (9.00mm x 5.00mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
|
|
RHEF1400PTC RESET FUSE 16V 14A RADIAL |
148 | - |
|
Datasheet |
Radial, Disc | PolySwitch®, RHEF | Bag | Active | Polymeric | 16V | 14 A | 27 A | 100 A | 13 s | 3 mOhms | 9 mOhms | - | -40°C ~ 125°C | - | - | - | Through Hole | 0.925" L x 0.142" W (23.50mm x 3.60mm) | 1.126" (28.60mm) | - | 0.400" (10.15mm) |
|
|
16R1000GMRPTC RESET FUSE 16V 10A RADIAL |
3,776 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 16R | Cut Tape (CT) | Active | Polymeric | 16V | 10 A | 17 A | 100 A | 6 s | 4 mOhms | 10.2 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.650" L x 0.118" W (16.50mm x 3.00mm) | 0.992" (25.20mm) | - | 0.201" (5.10mm) |
|
72R185XMRPTC RESET FUSE 72V 1.85A RADIAL |
644 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 72R | Cut Tape (CT) | Active | Polymeric | 72V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.660" Dia x 0.122" T (16.76mm x 3.10mm) | 0.906" (23.00mm) | - | 0.201" (5.10mm) |
|
|
MF-RHT1300-0PTC RESET FUSE 16V 13A RADIAL |
3,089 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RHT | Bulk | Active | Polymeric | 16V | 13 A | 24 A | 100 A | 13 s | 4.1 mOhms | 10 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.925" L x 0.142" W (23.50mm x 3.60mm) | 1.130" (28.70mm) | - | 0.215" (5.45mm) |
|
1206L260SLTHYRPTC RESET FUSE 6V 2.6A 1206 |
10,811 | - |
|
Datasheet |
1206 (3216 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2.6 A | 5 A | 50 A | 4 s | 3 mOhms | 26 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.128" L x 0.065" W (3.25mm x 1.65mm) | - | 0.028" (0.70mm) | - |
|
|
B59115P1120A062PTC RESET FUSE 80V 70MA 3225 |
1,900 | - |
|
Datasheet |
3225 (8063 Metric) | B59115 | Tape & Reel (TR) | Active | Ceramic | 80V | 70 mA | 145 mA | 700 mA | - | - | - | 55 Ohms | -40°C ~ 60°C | Automotive | AEC-Q200 | - | Surface Mount | 0.315" L x 0.248" W (8.00mm x 6.30mm) | - | 0.150" (3.80mm) | - |
|
|
60R250XMRPTC RESET FUSE 60V 2.5A RADIAL |
2,438 | - |
|
Datasheet |
Radial, Disc | POLY-FUSE®, 60R | Cut Tape (CT) | Active | Polymeric | 60V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.785" Dia x 0.122" T (19.93mm x 3.10mm) | 1.032" (26.20mm) | - | 0.402" (10.20mm) |
|
YQS5838PTFPTC RESET FUSE 18V 140MA RADIAL |
1,565 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Active | Ceramic | 18V | 140 mA | 290 mA | - | - | - | - | 10 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.350" Dia x 0.150" T (8.90mm x 3.80mm) | 0.350" (8.90mm) | - | 0.197" (5.00mm) |
|
|
B59945C0160A070PTC RESET FUSE 20V 1.5A RADIAL |
2,440 | - |
|
Datasheet |
Radial, Disc | B59945 | Bulk | Active | Ceramic | 20V | 1.5 A | 3.05 A | 8 A | - | - | - | 450 mOhms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" Dia x 0.138" T (17.50mm x 3.50mm) | 0.827" (21.00mm) | - | 0.197" (5.00mm) |
|
|
B59945C0120A070PTC RESET FUSE 30V 1.3A RADIAL |
1,335 | - |
|
Datasheet |
Radial, Disc | B59945 | Bulk | Active | Ceramic | 30V | 1.3 A | 2.6 A | 8 A | - | - | - | 450 mOhms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" Dia x 0.138" T (17.50mm x 3.50mm) | 0.827" (21.00mm) | - | 0.197" (5.00mm) |
|
1812L350SLPRPTC RESET FUSE 6V 3.5A 1812 |
6,169 | - |
|
Datasheet |
1812 (4532 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 3.5 A | 8.1 A | 50 A | 5 s | 3 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.028" (0.70mm) | - |
|
1210L550SLWRPTC RESET FUSE 5.5A 6V 1210 |
1,926 | - |
|
Datasheet |
1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 5.5 A | 11 A | 50 A | 2 s | 1 mOhms | 11 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.101" W (3.22mm x 2.58mm) | - | 0.055" (1.40mm) | - |
|
|
B59840C0080A070PTC RESET FUSE 265V 170MA RADIAL |
304 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Active | Ceramic | 265V | 170 mA | 350 mA | 4.1 A | - | - | - | 6 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.689" Dia x 0.197" T (17.50mm x 5.00mm) | 0.827" (21.00mm) | - | 0.197" (5.00mm) |
|
|
YQS5868PTFPTC RESET FUSE 120V 80MA RADIAL |
1,338 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Active | Ceramic | 120V | 80 mA | 170 mA | - | - | - | - | 50 Ohms | 10°C ~ 55°C | - | - | - | Through Hole | 0.532" Dia x 0.201" T (13.50mm x 5.10mm) | 0.551" (14.00mm) | - | 0.197" (5.00mm) |
|
YS5675PTC RESET FUSE 75V 60MA RADIAL |
1,472 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Active | Ceramic | 75V | 60 mA | 190 mA | - | - | - | - | 25 Ohms | - | - | - | - | Through Hole | 0.270" Dia x 0.170" T (6.86mm x 4.32mm) | 0.270" (6.86mm) | - | 0.250" (6.35mm) |
|
0805L260SLTHYRPTC RESET FUSE 6V 2.6A 0805 |
1,995 | - |
|
Datasheet |
0805 (2012 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2.6 A | 5 A | 50 A | 4 s | 3 mOhms | 35 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.030" (0.75mm) | - |
|
|
B59830C0130A070PTC RESET FUSE 265V 450MA RADIAL |
986 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Active | Ceramic | 265V | 450 mA | 680 mA | 4.1 A | - | - | - | 5 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.689" Dia x 0.197" T (17.50mm x 5.00mm) | 0.827" (21.00mm) | - | 0.197" (5.00mm) |

