Bourns 1812 Unshielded Surface Mount Common Mode Choke with Ferrite Core 51 μH Dual Inductor 200 mA SRF4532

Bourns SRF4532 is an 1812 size unshielded surface mount common mode choke with ferrite core designed for EMI suppression applications. This dual inductor features 51 μH inductance with a tolerance of -30 to +50 percent and supports a maximum DC current of 200 mA, making it suitable for filtering noise on data and signal lines.

The surface mount package dimension is 4.5 mm in length, 2.8 mm in height, and 3.2 mm in depth. It features a standard surface mount termination style and is delivered on reels, facilitating efficient PCB manufacturing operations.

Its maximum DC resistance of 3.5 ohms and self-resonant frequency of 100 kHz enable effective noise filtering in CANbus, telecom, and consumer electronics environments. With RoHS compliance and an operating temperature range from -40°C to 125°C, this component meets stringent environmental and reliability standards.

The ferrite core and moulded construction provide robust electrical characteristics while maintaining a compact form factor. The SRF4532 series is widely used in industrial, communications, and consumer electronic applications requiring reliable EMI mitigation.

Compact 1812 surface mount package for ease of PCB assembly. Ferrite core material provides efficient EMI suppression. Dual coil inductor construction supports stable inductance. Broad operating temperature range from -40°C to 125°C ensures durability.

Reel packaging supports high-volume automated production lines. RoHS compliant ensuring environmentally responsible manufacturing. Low DC resistance minimizes power losses. Suitable for data lines, CANbus, telecom, and consumer electronics filtering.

Maximum self-resonant frequency of 100 kHz.

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