Kailh Sun 50g

Quick Summary

The Kailh Sun 50g is a clicky plate-mount switch whose party trick is a central light pipe that funnels a per-key LED straight up through the housing. The click is crisp and the actuation is light at 50g, so it reads fast and bright rather than heavy and deliberate. If you want a clicky switch that also shows off RGB, this is a tidy, cheap way to get there.

Specs and Feel

Travel is short for a clicky switch: about 1.8mm to actuation and 3.5mm total, with a 50g actuation force rising to roughly 60g of tactile force at the click. The light 50g spring keeps the keypress brisk, and because the click comes from a jacketed click mechanism rather than a tactile leaf alone, the bump and the click arrive together as a single sharp event. The sound is bright and clacky: high-pitched, plate-mount, and unmistakably clicky. There is some stem wobble typical of plate-mount Kailh housings, and the stock feel is a touch scratchy on the upstroke, which is normal for clickies in this price bracket.

Tuning

Do not lube the click mechanism; that is the whole point of the switch, and lube will mute or kill the click. The most you should do is dab a little lube on the spring to cut any ping, leaving the click jacket dry. Films are largely beside the point on a plate-mount switch like this, since the plate does most of the stabilizing. Stock is the intended experience here: install, enjoy the click, and let the LEDs do the rest.

Verdict

Buy the Kailh Sun 50g if you specifically want a light, bright clicky switch on an RGB board and value the light-pipe gimmick. Skip it if you want a quiet keyboard or the deeper, more refined click of something like a Kailh Box Jade or Box White. Those have a thicker, throatier click and tighter housings. The Sun’s appeal is narrow but real: it is a clicky switch that genuinely makes your per-key lighting pop, and at a dime apiece it is an easy experiment.