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(5 PCS) TC-4-21, TC4 RF Balun 3MHz ~ 800MHz 1:4 5-SMD Module

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THIS IS FOR (5 PCS) OF TC-4-21, TC4 RF Balun 3MHz ~ 800MHz 1:4 5-SMD Module
The Mini-Circuits TC-4-21 (often referenced alongside series like TC4 / TC-4) is a surface-mount (SMD) RF balun and impedance-matching transformer.
Balanced-to-unbalanced (balun) signal conversion and impedance transformation

Impedance Ratio: Typically 1:4 secondary-to-primary impedance matching (such as converting 50-ohm unbalanced coax to a 200-ohm balanced load, or similar configurations depending on the exact sub-model)

Design: Compact core-and-wire or surface-mount module built for high-density printed circuit board (PCB) integration

Common Applications: Radio frequency (RF) signal processing, CATV (cable television), push-pull amplifiers, and impedance matching networks