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The TS21C HF is a single-port LAN transformer from Pulse Electronics, designed for 10/100 Base-T applications. It features a surface-mount package with dimensions of 12.80mm length by 6.90mm width and a height of approximately 7.0mm. The component provides impedance matching and isolation for Ethernet interfaces. Key electrical specifications include an inductance of 350µH and center-tap configurations of 1:1CT on both primary and secondary sides. It operates within a temperature range of 0°C to 70°C.
Verify the specific package variant and pinout configuration against the official datasheet before integration. Confirm that the operating temperature range meets the environmental requirements of the target application. Ensure compatibility with the PCB footprint and soldering profile specified by the manufacturer.
Select this component for standard 10/100 Mbps Ethernet connections requiring compact surface-mount solutions. Consider the 350µH inductance value for common mode noise suppression. Evaluate the physical dimensions to ensure they fit within the constrained space of the electronic device design.
This part belongs to the family of LAN transformers manufactured by Pulse Electronics. It serves as a critical passive component in networking hardware, ensuring signal integrity and protecting downstream circuitry from voltage spikes and electromagnetic interference during data communication.
Consult the manufacturer's cross-reference list for verified substitutes. Ensure any replacement matches the 1:1CT configuration and 350µH inductance. Verify that alternative parts maintain the same footprint and thermal characteristics.