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TDK 39 mH Ferrite Power Line Choke Radial Lead 400 mA Idc 2 Ω Rdc 250V ac B82721A2401N020
Specifications
| Country of Origin | Hungary |
|---|---|
| Diameter | 17.9mm |
| Brand | TDK |
| Height | 12.6mm |
| Length | 17.3mm |
| Model | B82721A2401N020 |
| Depth | 17.9mm |
| Packaging | Blister Tray in Cardboard Box |
| Mount Type | Radial |
| Series | B82721A |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Core Material | Ferrite |
| Maximum Voltage | 250V ac |
| Inductance | 39mH |
| Standards/Approvals | VDE, UL, RoHS |
| Maximum DC Current | 400mA |
| Pin Count | 4 |
| Maximum DC Resistance | 2Ω |
| Inductance Tolerance | ±30 % |
| Termination Style | Radial Lead |
| Maximum Self Resonant Frequency | 10kHz |
| Lead Pitch | 15mm |
| Lead Diameter | 0.7mm |
Key Features
- Inductance of 39 mH with a tolerance of ±30% for reliable filtering.
- Maximum DC current rating of 400 mA ensuring stable operation under load.
- Maximum DC resistance of 2 ohms minimizes power loss.
- Constructed with ferrite core material for efficient inductive properties.
- Radial lead mounting type facilitates easy PCB assembly.
- Compact dimensions with 17.9 mm diameter and 12.6 mm height optimize space usage.
- Maximum self-resonant frequency of 10 kHz limits high-frequency interference.
- Operating temperature range from -40°C up to 125°C supports harsh environments.
Product Description
TDK B82721A2401N020 is a ferrite power line choke with an inductance of 39 mH designed to improve electromagnetic compatibility in electronic circuits. This radial leaded inductor is housed in flame retardant potting and features a ferrite core, providing a high resonance frequency enabled by a unique winding technique.
It supports a maximum DC current of 400 mA and has a low DC resistance of 2 ohms, enhancing efficiency in power filtering applications such as switch-mode power supplies for computers and televisions.
The component offers a maximum voltage rating of 250V AC and withstands operating temperatures ranging from -40°C to 125°C, making it suitable for industrial, commercial, and electronic use cases.
The B82721A series is compliant with VDE, UL, and RoHS standards, ensuring it meets industry safety and environmental requirements. Inductance of 39 mH with ±30% tolerance. 400 mA maximum DC current capacity. 2 Ω maximum DC resistance.
250V AC maximum voltage rating. Radial lead termination style. Compact dimensions supporting PCB space constraints. Maximum self-resonant frequency of 10 kHz. Operating temperature range -40°C to 125°C. Ferrite core material for enhanced magnetic performance.
Meets VDE, UL recognised component, and RoHS standards.
This power line choke is ideal for electromagnetic interference suppression in sensitive electronic equipment, including computers, televisions, electronic ballasts for lamps, and chargers.
Explore more Inductors and passive electronic components on EnvMart to enhance your electronic design and manufacturing processes.
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Frequently Asked Questions
The inductance of this model is 39 mH with a tolerance of ±30%.
It has a maximum DC current rating of 400 mA, ensuring stable operation under load.
The maximum voltage rating is 250V AC, suitable for various applications.
This unit has a diameter of 17.9 mm and a height of 12.6 mm, optimizing space usage.
The maximum self-resonant frequency is 10 kHz, which helps limit high-frequency interference.
It features a radial lead mounting type, facilitating easy PCB assembly.
The operating temperature range is from -40°C to 125°C, making it suitable for harsh environments.
The maximum DC resistance is 2 ohms, which minimizes power loss during operation.
It is compliant with VDE, UL, and RoHS standards, ensuring it meets industry safety and environmental requirements.
The choke is constructed with a ferrite core material, enhancing its inductive properties.
This unit has a pin count of 4, suitable for various circuit designs.
It is packaged in a blister tray within a cardboard box for protection during transport.
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