Etronix 22AWG Futaba Twisted Y Extension Wire Servo ESC Lead Cable 30 cm ET0753

Additional Information -

ETRONIX 30CM 22AWG FUTABA TWISTED Y EXTENSION WIRE

Etronix 30cm 22Awg Futaba Twisted Y Extension Wire

A Y lead (or Y-harness) servo extension is used in radio-controlled (RC) models to connect two servos to a single receiver channel. This allows for synchronized movement of multiple servos, commonly used for ailerons, flaps, or other dual-servo applications. If reciever voltage is high enough it can be used to power light bars.

Twisted servo extension cables offer several advantages, primarily related to minimizing electromagnetic interference (EMI) and improving signal integrity. The twisting of the wires helps to cancel out noise and reduce crosstalk, leading to more reliable and stable connections, especially in demanding RC applications. 

The primary difference between Futaba and JR servo connectors lies in their keying/polarity and housing design. Futaba connectors have a prominent tab on the signal (usually black) wire side of the female connector to ensure correct polarity, while JR connectors typically have beveled corners on the male connector and angled tabs on the female connector to help with alignment. Futaba plugs can often be modified to fit JR connectors, but JR plugs may not fit Futaba receivers without modification.

Futaba and JR connectors are generally compatible due to their similar pin spacing and overall size, though Futaba connectors have a keying mechanism that might require modification to fit into a JR connector housing.