Bourns 1770 Shielded Wirewound Surface Mount Inductor with Carbonyl Powder Core 3.3 μH ±20 % 28 A IDC SRP1770TA

Bourns SRP1770TA shielded wirewound surface mount inductor delivers a 3.3 μH inductance with ±20 % tolerance, designed around a high-performance carbonyl powder core. This surface mount device (SMD) supports a maximum DC current of 28 A and features a shielded construction to suppress magnetic interference, making it ideal for automotive, industrial, and electronic applications.

Operating across a wide temperature range from -40°C to 150°C, the SRP1770TA is AEC-Q200 qualified, meeting stringent automotive system standards including driver assistant devices, lighting, and infotainment units. The inductor’s wirewound construction improves saturation current capacity and efficiency in power supplies and DC/DC converters.

Measuring 17.3 mm in length, 16.9 mm in height, and 6.7 mm in depth, this component is housed in a 1770 package case and mounted via soldered 2-pin termination. It offers a low maximum DC resistance of 3.9 mΩ, supporting minimal power loss, and a maximum self-resonant frequency of 17 MHz to enable operation in high-frequency circuits.

The inductor is RoHS compliant and designed with high-quality materials including an enamelled copper wire and carbonyl powder core, ensuring durability and electromagnetic shielding. A minimum quality factor of 20 adds to signal integrity and electromagnetic performance.

Constructed with a carbonyl powder core ensuring high saturation current. Shielded design minimizes magnetic radiation during operation. Operating temperature range from -40°C to 150°C enables automotive and industrial usage.

Complies with RoHS and AEC-Q200 automotive standards for reliability. Inductance tolerance is ±20 %, suitable for power supplies and DC/DC converters. SMD package case size 1770 with a length of 17.3 mm and height of 16.9 mm.

Maximum DC resistance of 3.9 mΩ keeps power losses low. Termination style is solder with 2 pins for secure PCB mounting. Maximum self-resonant frequency is 17 MHz for efficient high-frequency performance. Minimum quality factor of 20 ensures effective inductance quality.

This surface mount inductor is well suited for industrial electronics, automotive electrical systems, power supply units, and DC/DC converters. The shielded wirewound construction supports high current and reduces electromagnetic interference, making it a dependable component for demanding environments.

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