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Bourns 0403 Unshielded Wirewound Surface Mount Inductor with Ferrite DR Core 10 μH ±20% 1.15 A Idc Q:28 SDR0403
Specifications
| Country of Origin | India |
|---|---|
| Diameter | 4.5mm |
| Brand | Bourns |
| Height | 3.2mm |
| Length | 4.5mm |
| Model | SDR0403 |
| Depth | 4mm |
| Packaging | Reel |
| Series | SDR0403 |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Core Material | Ferrite DR |
| Inductance | 10μH |
| Standards/Approvals | RoHS |
| Package/Case | 0403 |
| Maximum DC Current | 1.15A |
| Maximum DC Resistance | 180mΩ |
| Inductance Tolerance | ±20 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 33MHz |
| Minimum Quality Factor | 28 |
| Inductor Construction | Wirewound |
Key Features
- This inductor has a maximum DC current rating of 1.15 A for reliable performance.
- The surface mount 0403 package case ensures low-profile installation at 3.2 mm height.
- Constructed with a Ferrite DR core and wirewound design for enhanced inductance stability.
- Features a minimum quality factor of 28 and maximum self-resonant frequency of 33 MHz.
- Operates reliably between -40°C and 125°C operating temperatures.
- Has a maximum DC resistance of 180 mΩ minimizing power loss.
- Packaged in reels optimized for automatic PCB assembly processes.
- Complies with RoHS standards ensuring environmentally safe manufacturing.
Product Description
Bourns SDR0403 0403 Unshielded Wirewound Surface Mount Inductor with Ferrite DR Core delivers a compact solution for inductive filtering and energy storage in electronics. Featuring a 10 μH inductance with a tolerance of ±20%, this component supports a maximum DC current of 1.15 A and achieves a minimum quality factor of 28, assuring efficiency in dense circuit designs. Its low-profile 0403 package case measures 4.5 mm in length, 4.0 mm in depth, and 3.2 mm in height, making it ideal for space-constrained PCB layouts.
The inductor construction uses a wirewound method around a Ferrite DR core, optimizing magnetic field coupling and stability. With a maximum DC resistance of 180 mΩ, it minimizes losses and heat generation under load, supporting operating temperatures from -40°C up to 125°C. The device exhibits a maximum self-resonant frequency of 33 MHz, suitable for high-frequency electronic applications and filtering tasks as found in DC/DC converters and power supply circuits.
Packaged in reels for automated assembly, the Bourns SDR0403 component is RoHS compliant, reflecting adherence to environmental regulations in manufacturing. This inductor is a reliable choice for applications requiring compact size, dependable current ratings, and consistent electrical characteristics.
This inductor's low-profile 0403 package suits compact electronic designs. Wirewound construction around Ferrite DR core enhances inductance reliability. Capability to handle up to 1.15 A DC current without degradation. Wide operating temperature range from -40°C to 125°C.
Low DC resistance of 180 mΩ reduces power losses during operation. RoHS compliance guarantees safe environmental standards. High self-resonant frequency allows application in high-frequency circuits. Reel packaging supports efficient automated PCB manufacturing.
Typical uses include DC/DC converters, power supplies, and electronic filters. Browse more in the Surface Mount Inductors category at EnvMart for advanced electronic components designed for performance and reliability.
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Frequently Asked Questions
The Bourns SDR0403 has an inductance value of 10 μH with a tolerance of ±20%.
It supports a maximum DC current of 1.15 A, ensuring reliable performance under load conditions.
This inductor operates reliably between -40°C and 125°C, making it suitable for various applications.
The maximum DC resistance is 180 mΩ, which helps minimize power loss during operation.
The maximum self-resonant frequency is 33 MHz, allowing it to be used in high-frequency applications.
It is constructed with a Ferrite DR core, which enhances inductance stability and performance.
The dimensions of this model are 4.5 mm in length, 4.0 mm in depth, and 3.2 mm in height.
The Bourns SDR0403 is packaged in reels, optimized for automatic PCB assembly processes.
It has a minimum quality factor of 28, which indicates its efficiency in circuit designs.
This inductor features a surface mount termination style, suitable for compact PCB layouts.
Yes, the SDR0403 complies with RoHS standards, ensuring environmentally safe manufacturing practices.
It is suitable for applications such as DC/DC converters, power supplies, and electronic filters.
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