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Bourns Unshielded Surface Mount Inductor 27 μH ±10 % 710 mA Idc 0403 Package with Ferrite Core SDR0403
Specifications
| Country of Origin | India |
|---|---|
| Diameter | 4.5mm |
| Brand | Bourns |
| Height | 3.2mm |
| Length | 4.5mm |
| Model | SDR0403 |
| Depth | 4mm |
| Packaging | Tape & Reel |
| Series | SDR0403 |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Core Material | Ferrite |
| Inductance | 27μH |
| Standards/Approvals | RoHS |
| Package/Case | 0403 |
| Maximum DC Current | 710mA |
| Maximum DC Resistance | 520mΩ |
| Inductance Tolerance | ±10 % |
| Termination Style | Surface Mount |
| Maximum Self Resonant Frequency | 17MHz |
| Minimum Quality Factor | 23 |
| Inductor Construction | Wirewound |
Key Features
- Wirewound construction ensures stable inductance values.
- Compact 0403 package with dimensions 4.5mm × 4mm × 3.2mm.
- Inductance tolerance of ±10 % provides consistency in electronic circuits.
- Operating temperature range from -40°C to 125°C suits harsh environments.
- Maximum DC resistance of 520mΩ minimizes power losses.
- RoHS compliant construction ensures environmental safety.
- Maximum self-resonant frequency of 17MHz supports high-frequency applications.
- Minimum quality factor of 23 for efficient energy storage.
Product Description
Bourns SDR0403 unshielded surface mount inductor with ferrite core model SDR0403 provides an inductance of 27 μH with ±10 % tolerance and supports a maximum DC current of 710 mA. It is designed in a compact 0403 package measuring 4.5 mm in length, 4 mm in depth, and 3.2 mm in height, making it ideal for space-constrained electronic designs.
Constructed with wirewound technology, this inductor offers low DC resistance of 520 mΩ and is RoHS compliant, ensuring environmentally safe manufacturing. The device operates effectively across a wide temperature range from -40°C to 125°C, supporting reliable performance in industrial, commercial, and automotive electronics.
Its maximum self-resonant frequency of 17 MHz and a minimum quality factor of 23 make it suitable for high-frequency filtering and energy storage in applications such as DC/DC converters and power supplies. The product is supplied on a tape and reel package for seamless integration with automated PCB assembly processes.
The ferrite core enhances magnetic performance and efficiency, providing stable inductance for signal integrity and power regulation. The inductor's unshielded design is appropriate for circuits where EMI tolerance is not critical.
Wirewound construction ensures stable inductance values. Compact 0403 package with dimensions 4.5mm × 4mm × 3.2mm. Inductance tolerance of ±10 % provides consistency in electronic circuits. Operating temperature range from -40°C to 125°C suits harsh environments.
Maximum DC resistance of 520mΩ minimizes power losses. RoHS compliant construction ensures environmental safety. Maximum self-resonant frequency of 17MHz supports high-frequency applications. Minimum quality factor of 23 for efficient energy storage.
Suitable for use in DC/DC converters and power supply circuits. Packaged in tape and reel format for automated assembly.
This Bourns surface mount inductor is an optimal choice for electronics manufacturing, providing reliable magnetic characteristics and compact size for modern circuit designs. Browse similar Surface Mount Inductors and passive component categories on EnvMart for related solutions.
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Frequently Asked Questions
The inductance value of this model is 27 μH with a tolerance of ±10%.
It supports a maximum DC current of 710 mA.
The dimensions of the 0403 package are 4.5 mm in length, 4 mm in depth, and 3.2 mm in height.
It operates effectively within a temperature range from -40°C to 125°C.
The maximum self-resonant frequency is 17 MHz, making it suitable for high-frequency applications.
The maximum DC resistance is 520 mΩ, which helps minimize power losses.
The core material used is ferrite, which enhances magnetic performance.
It is supplied in a tape and reel format, facilitating automated PCB assembly processes.
The minimum quality factor is 23, indicating efficient energy storage capabilities.
Yes, the construction of this inductor is RoHS compliant, ensuring environmental safety.
It features a wirewound construction, which ensures stable inductance values.
This model is suitable for use in DC/DC converters and power supply circuits.
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