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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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PTCTZ3MR150KTEPTC RESET FUSE 300V 150MA 2SMD |
5,701 | - |
|
Datasheet |
2-SMD | PTCTZ | Tape & Reel (TR) | Obsolete | Ceramic | 300V | 150 mA | 250 mA | 2 A | 1.5 s | - | - | 20 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
|
PTCTZ3MR350MTEPTC RESET FUSE 425V 110MA 2SMD |
3,213 | - |
|
Datasheet |
2-SMD | PTCTZ | Tape & Reel (TR) | Obsolete | Ceramic | 425V | 110 mA | 175 mA | 700 mA | 1 s | - | - | 35 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
|
PTCTZ3NR339CTEPTC RESET FUSE 24V 400MA 2SMD |
4,961 | - |
|
Datasheet |
2-SMD | PTCTZ | Tape & Reel (TR) | Obsolete | Ceramic | 24V | 400 mA | 650 mA | 8 A | 6 s | - | - | 3.3 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
|
PTCTZ3MR200KTEPTC RESET FUSE 300V 120MA 2SMD |
5,169 | - |
|
Datasheet |
2-SMD | PTCTZ | Tape & Reel (TR) | Obsolete | Ceramic | 300V | 120 mA | 250 mA | 1.5 A | 1.4 s | - | - | 20 Ohms | - | - | - | - | Surface Mount | 0.283" L x 0.394" W (7.20mm x 10.00mm) | - | 0.142" (3.60mm) | - |
|
YPAL1.80NPTC RESET FUSE 30V 450MA RADIAL |
8,964 | - |
|
Datasheet |
Radial, Disc | YP | Bulk | Obsolete | Ceramic | 30V | 450 mA | 900 mA | 3 A | - | - | - | 1.8 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.354" Dia x 0.138" T (9.00mm x 3.50mm) | 0.413" (10.50mm) | - | 0.200" (5.08mm) |
|
PTR016V0300-TRPTC RESET FUSE 16V 3A RADIAL |
3,311 | - |
|
Datasheet |
Radial, Disc | PTR016V | Tape & Reel (TR) | Active | Polymeric | 16V | 3 A | 5.1 A | 100 A | 1 s | 38 mOhms | 98 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.280" L x 0.122" W (7.10mm x 3.10mm) | 0.433" (11.00mm) | - | 0.197" (5.00mm) |
|
PTCCL11H611DBEPTC RESET FUSE 30V 610MA RADIAL |
3,663 | - |
|
Datasheet |
Radial, Disc | PTCCL - 30V | Bulk | Active | Ceramic | 30V | 610 mA | 915 mA | 7 A | - | - | - | 1.7 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.413" Dia x 0.157" T (10.50mm x 4.00mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
|
PTCCL11H211HBEPTC RESET FUSE 265V 210MA RADIAL |
6,382 | - |
|
Datasheet |
Radial, Disc | PTCCL - 265V | Bulk | Active | Ceramic | 265V | 210 mA | 315 mA | 1.3 A | - | - | - | 17 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.413" Dia x 0.217" T (10.50mm x 5.50mm) | 0.610" (15.50mm) | - | 0.197" (5.00mm) |
|
2322 662 93114PTC RESET FUSE 600V 175MA RADIAL |
2,923 | - |
|
Datasheet |
Radial, Disc | - | Bulk | Obsolete | Ceramic | 600V | 175 mA | 400 mA | - | 7 s | - | - | 10 Ohms | - | - | - | - | Through Hole | 0.512" Dia x 0.217" T (13.00mm x 5.50mm) | 0.709" (18.00mm) | - | 0.197" (5.00mm) |
|
SMD250-2POLYSWITCH 2.50A HOLD SMD |
9,468 | - |
|
Datasheet |
2-SMD | PolySwitch®, SMD | Cut Tape (CT) | Obsolete | Polymeric | 15V | 2.5 A | 5 A | 40 A | 25 s | 35 mOhms | 85 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.343" L x 0.250" W (8.70mm x 6.36mm) | - | 0.118" (3.00mm) | - |
|
|
PTGL14AR3R3M3B71B0PTC RESET FUSE 56V 490MA RADIAL |
4,573 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 56V | 490 mA | 830 mA | 2.5 A | - | - | - | 3.3 Ohms | -10°C ~ 60°C | - | - | - | Through Hole | 0.571" Dia x 0.157" T (14.50mm x 4.00mm) | 0.807" (20.50mm) | - | 0.295" (7.50mm) |
|
1210L260SLYRPTC RESET FUSE 6V 2.6A 1210 |
8,460 | - |
|
Datasheet |
1210 (3225 Metric), Concave | POLY-FUSE®, LoRho | Tape & Reel (TR) | Active | Polymeric | 6V | 2.6 A | 5 A | 50 A | 4 s | 3 mOhms | 20 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.127" L x 0.102" W (3.22mm x 2.58mm) | - | 0.028" (0.70mm) | - |
|
PTGL9SAS120K6B51B0PTC RESET FUSE 140V 244MA RADIAL |
2,582 | - |
|
Datasheet |
Radial, Disc | POSISTOR®, PTGL | Bulk | Obsolete | Ceramic | 140V | 244 mA | 324 mA | 2 A | - | - | - | 12 Ohms | -30°C ~ 125°C | - | - | - | Through Hole | 0.366" Dia x 0.177" T (9.30mm x 4.50mm) | 0.563" (14.30mm) | - | 0.197" (5.00mm) |
|
YH100R100V24PTC RESET FUSE 24V |
9,532 | - |
|
- |
- | YH | Bulk | Active | Ceramic | 24V | - | - | - | - | - | - | 10 Ohms | - | - | - | - | - | - | - | - | - |
|
PTCCL13H831DBEPTC RESET FUSE 30V 830MA RADIAL |
5,915 | - |
|
Datasheet |
Radial, Disc | PTCCL - 30V | Bulk | Active | Ceramic | 30V | 830 mA | 1.245 A | 10 A | - | - | - | 1.1 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.492" Dia x 0.157" T (12.50mm x 4.00mm) | 0.689" (17.50mm) | - | 0.197" (5.00mm) |
|
PTCCL13H411FBEPTC RESET FUSE 145V 410MA RADIAL |
6,977 | - |
|
Datasheet |
Radial, Disc | PTCCL - 145V | Bulk | Active | Ceramic | 145V | 410 mA | 615 mA | 4.5 A | - | - | - | 4.6 Ohms | 0°C ~ 70°C | - | - | - | Through Hole | 0.492" Dia x 0.197" T (12.50mm x 5.00mm) | 0.689" (17.50mm) | - | 0.197" (5.00mm) |
|
MF-RG1100-APPTC RESET FUSE 16V 11A RADIAL |
7,140 | - |
|
Datasheet |
Radial, Disc | Multifuse®, MF-RG | Tape & Box (TB) | Active | Polymeric | 16V | 11 A | 18.7 A | 100 A | 7 s | 3.7 mOhms | 8.9 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" L x 0.118" W (17.50mm x 3.00mm) | 1.024" (26.00mm) | - | 0.201" (5.10mm) |
|
RL4005-5-110-12-PTFPTC RESET FUSE 12V 330MA RADIAL |
4,770 | - |
|
Datasheet |
Radial, Disc | PTF | Bulk | Obsolete | Ceramic | 12V | 330 mA | 490 mA | - | - | - | - | 5 Ohms | - | - | - | - | Through Hole | 0.449" Dia x 0.150" T (11.40mm x 3.80mm) | 0.449" (11.40mm) | - | 0.252" (6.40mm) |
|
MINIASMDCH050F-2PTC RESET FUSE 0.50A 30V 1812 |
8,429 | - |
|
Datasheet |
1812 (4532 Metric), Concave | PolySwitch®, miniASMD | Tape & Reel (TR) | Obsolete | Polymeric | 30V | 500 mA | 1.6 A | 20 A | 100 ms | 200 mOhms | 1.35 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.181" L x 0.128" W (4.60mm x 3.24mm) | - | 0.032" (0.82mm) | - |
|
YPEL6250TPTC RESET FUSE 550V 6MA RADIAL |
9,836 | - |
|
Datasheet |
Radial, Disc | YP | Tape & Reel (TR) | Active | Ceramic | 550V | 6 mA | 14 mA | 150 mA | - | - | - | 6.25 kOhms | 0°C ~ 60°C | - | - | - | Through Hole | 0.157" Dia x 0.157" T (4.00mm x 4.00mm) | 0.217" (5.50mm) | - | 0.200" (5.08mm) |

