Add another string to your bow in the battle against EMI with this common mode choke from RECOM. It protects data and power lines by filtering out pesky high frequencies known as common mode noise while letting the desired signals through. You'll find it's a great shout for reducing disruption as its multiple choke configuration with shared core material boosts its EMI-eliminating capabilities. This makes the unit effective whether the interference is external or caused by other circuits in your system. As you can use CMCs for filtering inputs and outputs, you're also getting a product with versatility.

• Maximum rated voltage of 500V DC means it's a safe bet for high-voltage industrial applications
• Suits a 0.8mm diameter through-hole, so easy to mount securely to your PCB
• Broad operating temperature range of -40°C to +105°C to suit harsh environments

• Automotive manufacture
• Telecommunications
• Industrial automation

The unit's two windings also make it handy as a current limiter, as they cancel each other out and stop the component's ferrite from saturating. This prevents changes to inductance and impedance that can otherwise raise currents to potentially harmful levels.

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