The 77F470J-TR-RC is a conformal coated RF choke inductor designed for DC/DC converters, power supplies, and general RF applications. It features an inductance of 47 µH with ±5% tolerance, a quality factor (Q) of 45 at 6.3 MHz test frequency, and a maximum DC resistance of 1.30 O. The device is rated for a maximum DC current of 340 mA and has a self-resonant frequency (SRF) of 6.3 MHz, with a dielectric strength of 500 Vrms. The inductor operates reliably across a temperature range of -55°C to +105°C and features a ferrite core with polyester copper wire and sn-ag-cu alloy terminal coating, making it suitable for demanding industrial and consumer electronics applications requiring stable inductance and low losses.