Bourns Shielded Surface Mount Inductor 33 μH ±20 % 3.5 A IDC Ferrite DR & RI Core SRR1280

Bourns SRR1280 shielded surface mount inductor incorporates a ferrite DR & RI core providing 33 μH inductance with a tolerance of ±20 % and a high maximum DC current rating of 3.5 A. Designed with a low profile height of 7.5mm and a length and depth of 12.5mm, it is ideal for applications requiring compact dimensions and high reliability.

This surface mount inductor uses wirewound construction and a moulded design that ensures both durability and shielding to reduce electromagnetic interference, which is critical in sensitive electronic circuits.

The inductor is suitable for use in power supplies and DC/DC converters in portable communication equipment, camcorders, LCD TVs, and automotive electronics such as car radios. Its high quality factor of 28 supports efficient high-frequency operation, while the maximum self-resonant frequency of 9.5 MHz sustains performance in demanding signal environments.

Operating temperature ranges from -40°C to 125°C, ensuring stable operation in diverse environmental conditions. The product is RoHS compliant, reflecting Bourns’ commitment to environmental standards.

The inductor supports a maximum DC current of 3.5 A ensuring high current carrying capability. It has a low profile height of 7.5mm suitable for compact PCB designs. Surface mount termination style enables easy automated assembly.

The inductance tolerance of ±20 % offers flexibility for design variations. Ferrite core material and wirewound construction enhance performance in high-frequency applications. Moulded design with shielding provides minimized electromagnetic interference.

The maximum operating temperature is 125°C, supporting high temperature reliability. Maximum DC resistance is 57 mΩ ensuring low power loss during operation. Typical maximum self-resonant frequency is 9.5 MHz for efficient signal integrity.

Complies with RoHS standards reflecting environmental sustainability.

This Bourns SRR1280 series inductor is engineered for industrial, consumer electronics, automotive, and telecommunications applications demanding high efficiency and compact form factors. Utilizing these inductors enables designers to optimize power conversion efficiency and minimize electromagnetic noise in their products.

Explore EnvMart’s extensive range of Surface Mount Inductors to find compatible components for your PCB designs and power electronics needs. Bourns products combine reliability with advanced manufacturing quality to support innovation in electronic component design.