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TDK B828 Series Surface Mount Current Transformer 20 A Primary Current 1:125 Turns Ratio B82801B0305A125
Specifications
| Country of Origin | China |
|---|---|
| Brand | TDK |
| Length | 7.11mm |
| Model | B82801B0305A125 |
| Depth | 5.08mm |
| Width | 8.13mm |
| Mount Type | Surface |
| Series | B828 |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Terminal type | Wire |
| Standards/Approvals | IEC 6006858, RoHS |
| Primary Current | 20A |
| Minimum Operating Frequency | 50kHz |
| Maximum Operating Frequency | 1MHz |
| Turns Ratio | 1:125 |
| Turns Ratio1 | 125 |
| Primary DC Resistance | 0.6mΩ |
| TDK B828 Series Current Transformer 20 A 1 | 125 |
Key Features
- Compact EE 5.0 core design suitable for SMT mounting.
- Very low primary DC resistance of 0.6mΩ ensuring high efficiency.
- Operates within -40°C to 125°C temperature range.
- Suitable for switching power supplies and feedback control applications.
- Meets IEC 60068-58 standards and RoHS compliance.
- Maximum operating frequency up to 1MHz with minimum frequency of 50kHz.
- Wire terminal type for reliable connection.
- Lightweight design with only 400mg weight.
Product Description
TDK B82801B0305A125 is a compact surface mount current transformer from the B828 series, designed with an EE 5.0 core specifically for high frequency current sensing in industrial applications.
This current transformer features a primary current rating of 20 A with a turns ratio of 1:125, providing precise current measurement and feedback suitable for switching power supplies, overload sensing, and load drop detection.
The device exhibits a very low primary DC resistance of 0.6 milliohms, which ensures minimal power loss and high sensitivity. It operates reliably over an extensive temperature range from -40°C to 125°C, allowing deployment in harsh industrial environments.
Manufactured to meet IEC 60068-58 standards and RoHS compliance, this transformer supports maximum operating frequencies of up to 1 MHz, and minimum frequencies of 50 kHz, making it suitable for high frequency applications.
The product uses wire terminal type connections for durable and secure mounting to circuit boards, and features a compact package with dimensions of 7.11 mm length, 8.13 mm width, and 5.08 mm depth, while maintaining a lightweight profile at just 400 mg.
The B82801B0305A125 current transformer is commonly used in industrial automation, process control systems, and power supply feedback loops where precise current measurement is critical.
Compact EE 5.0 core SMT current sense transformer. Very low DC resistance to maximize efficiency. Wide operating temperature for versatile environments. Meets industry standards for quality and compliance. High frequency capability for advanced applications.
Wire terminal type for reliable connections. Explore the TDK B828 series and other Current Transformers at EnvMart for reliable industrial automation and control components.
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Frequently Asked Questions
The primary current rating of this model is 20 A.
It has a turns ratio of 1:125, which allows for precise current measurement.
This unit operates within a temperature range of -40°C to 125°C, making it suitable for harsh environments.
The dimensions of this current transformer are 7.11 mm in length, 8.13 mm in width, and 5.08 mm in depth.
It features a very low primary DC resistance of 0.6 mΩ, ensuring high efficiency.
The maximum operating frequency is up to 1 MHz, with a minimum frequency of 50 kHz.
It uses wire terminal type connections for reliable and secure mounting to circuit boards.
This model meets IEC 60068-58 standards and is RoHS compliant.
It is suitable for switching power supplies, overload sensing, and load drop detection in industrial automation.
This current transformer has a lightweight design, weighing only 400 mg.
The mount type for this model is surface mount (SMT), designed for compact installations.
This model is part of the B828 series of current transformers from TDK.
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