Bourns Releases High Inductance Common Mode Choke as Effective Power Line Noise Attenuation Solution

Bourns® Model SRF1709 High
Inductance Common Mode
Choke (Click to enlarge)

New common mode choke is constructed with a ferrite core for low radiation to deliver superior EMI suppression

RIVERSIDE, Calif., October 15, 2025 - Bourns, Inc., a leading manufacturer and supplier of electronic components for power, protection, and sensing solutions, today released its Model SRF1709 Common Mode Choke. This new high inductance choke features a ferrite toroid core for low radiation making it an effective power line noise attenuation solution.

This new choke provides high inductance of 3.5 mH with a current rating of 2.5 A and an operating temperature range from –40 °C to +85 °C. Its advanced features are designed to provide effective Electromagnetic Interference (EMI) suppression from both incoming and outgoing paths within the system, making this high inductance choke ideal for consumer, industrial and other electronic application designs.

Bourns® Model SRF1709 Common Mode Choke is available now through Bourns’ authorized distribution partners, and is RoHS* compliant and halogen free**. For more detailed product information, please see: bourns.com/products/magnetic-products/common-mode-chokes.

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

**Bourns considers a product to be "halogen free" if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.