0.01µF 250V Metalized Polyester Film Capacitor GaAs Ired & Photo-Thyristor you will not hear any

you will not hear any noise in your ears

Gold for these 22E resistors

Resistance 500 ohm tolerance 10% Temperature -55°C to 125°C Size 20

8mm Contact Resistance 2mΩ Insulation Resistance 2000MΩ Size 73

The double FR 4 circuit board design

0.01µF 250V Metalized Polyester Film Capacitor GaAs Ired & Photo-Thyristor you will not hear anyPolyester Film Capacitors offer high stability, long shelf life, low equivalent series resistance, low self inductance, and a high ability to absorb power surges. Polyester capacitors are mostly used in general purpose board level Applications such as blocking, bypassing, decoupling, and some noise suppression circuits. Specification Capacitor Value 0. 01F Rated Voltage 250V AC Operating Temperature 40C to 100C Size 17. 8x12x6mm Mounting Type Through