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B82801C sensor Series
epcosEPCOS 40A surface - mount current transformers
The B82801C series from TDK Electronics AG is a lineup of high-performance surface-mount current transformers designed for precise measurement of alternating currents up to 40A. These sensors are ideal for applications requiring compact and reliable current sensing solutions, such as power supplies, inverters, and industrial control systems.
If you're working on projects that demand accurate current monitoring without taking up too much space, these sensors are a great fit. One thing worth noting is their excellent thermal stability; they maintain their performance even under varying temperature conditions, which is crucial in many industrial settings. Engineers tend to reach for this when they need a robust, space-saving solution that can handle significant current loads without compromising accuracy or reliability.
Series Images (8)
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B82801C sensor - Part List
7 parts in total| Mfr Part # | Quantity Available | Price | Category | RoHS | Mounting Style | Factory Pack Quantity | Inductance | Packaging | Termination Style | Core Type | Frequency - Min | Frequency - Operating | DC Resistance (DCR) (Max) | Current - Input Bias (Max) | Turns Ratio - Primary:Secondary | Depth | Width | Length | Weight | Mounting Type | Size / Dimension | Function | Operating Temperature | Maximum Temperature Limit | Series | Part # Aliases | DC Resistance (DCR) - Secondary | Height | EU RoHS | Frequency | Current - Output | Voltage - Breakdown | DC Resistance (DCR) - Primary | Lead Style | Length - Overall | Transformer Type | Number of Contacts | ET (Volt-Time) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 B82801C145A50 Current Transformer Sensors 1.4mH TR 1:50 DCR 0.28 / 400mOhms TRANSF CURRENT SENSE 1.4MH SMD T4143EF12.6SMDTRANSFORMER EPCOS | 600 | 200: ¥17.901 | - | RoHS Compliant | SMD/SMT | 200 | 1.4 mH | Reel | SMD/SMT | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | B82801C | B82801C0145A050 | - | - | - | - | - | - | - | - | - | - | - | - |
 B82801C565A100 Current Transformer Sensors 5.6mH TR 1:100 DCR 0.28/1000mOhms TRANSF CURRENT SENSE 5.6MH SMD T4144EF12.6SMDTRANSFORMER EPCOS | 1000 | 200: ¥17.901 | - | RoHS Compliant | SMD/SMT | 200 | 5.6 mH | Reel | SMD/SMT | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | B82801C | B82801C0565A100 | - | - | - | - | - | - | - | - | - | - | - | - |
 B82801C1265A150 Current Transformer Sensors T4145 EF12.6 SMD TRANSFORMER TRANSF CURRENT SENSE 12.6MH SMD T4145EF12.6SMDTRANSFORMER EPCOS 40A 表面贴装 电流互感器 CT, 1:150匝数比 EPCOS | 315 | 1: ¥29.308 | - | RoHS Compliant | SMD/SMT | 200 | 12.6 mH | Reel | SMD/SMT | EE 12.6 | 50kHz | 500kHz | 0.26mΩ | 40A | 1:150 | 10mm | 13.46mm | 14.22mm | 4.8g | 表面贴装 | 14.22 x 13.46 x 10mm | Y | -40°C | +125°C | B82801C | - | - | - | - | - | - | - | - | - | - | - | - | - |
 B82801C2245A200 Current Transformer 1:200 1500VAC 0.00028Ohm Prim. DCR 2.9Ohm Sec. DCR 40000mA Prim. 10Term. Gull Wing SMD TRANSF CURRENT SENSE 22.4MH SMD Current Transformer Sensors 22.4mH TR 1:200 DCR 0.28 / 2900mohm T4146EF12.6SMDTRANSFORMER EPCOS 40A 表面贴装 电流互感器 CT, 1:200匝数比 EPCOS | 264 | 1: ¥45.30 | - | Lead free / RoHS Compliant | SMD/SMT | 200 | - | Tape and Reel | - | Ferrite | 50kHz | 500kHz | 0.26mΩ | 40A | 1:200 | 10mm | 13.46mm | 14.22mm | 4.8g | Surface Mount | 14.22 x 13.46 x 10mm | Y | -40°C | +125°C | - | - | 2.9 | 10 | Compliant | 50K to 500K | 40000 | 1500VAC | 0.00028 | Gull Wing | 14.48 | Current Sense Transformer | 10 | - |
B82801C0145A050 TRANSF CURRENT SENSE 1.4MH SMD Current Transformer Sensors T4143 EF12.6 SMD TRANSFORMER EPCOS 40A 表面贴装 电流互感器 CT, 1:50匝数比 EPCOS Inc | 800 | 200: ¥17.901 | - | RoHS Compliant | SMD/SMT | - | - | - | - | EE 12.6 | 50kHz | 500kHz | 0.26mΩ | 40A | 1:50 | 10mm | 13.46mm | 14.22mm | 4.8g | 表面贴装 | 14.22 x 13.46 x 10mm | Y | -40°C | +125°C | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
B82801C0565A100 TRANSF CURRENT SENSE 5.6MH SMD Current Transformer Sensors T4144 EF12.6 SMD TRANSFORMER EPCOS 40A 表面贴装 电流互感器 CT, 1:100匝数比 EPCOS Inc | 2550 | 3: ¥23.973 | - | RoHS Compliant | SMD/SMT | - | 6.6 mH | - | SMD/SMT | EE 12.6 | 50kHz | 500kHz | 0.26mΩ | 40A | 1:100 | 10mm | 13.46 mm | 14.22 mm | 4.8g | 表面贴装 | 14.22 x 13.46 x 10mm | Y | -40°C | +125°C | - | - | 1000 mOhms | 10 mm | - | - | - | - | - | - | - | - | - | 248 V us |
 B82801C 565A100 EPCOS | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |