This unit is great for wiring up 3 AA batteries in series.
Holder for single AAA size battery. 1.95" long x 0.50" x 0.50" high. Unbreakable black plastic. 6" wire leads.
The DE-SWADJ is the adjustable version of the "SW0XX" step-down voltage regulators. Using the same form-factor as a standard 78LMXX style regulator, it is a much better way to give regulated voltage to your project.
The DE-SWADJ 3 is a larger version of the DE-SWADJ adjustable step down voltage regulator, and is designed to be stronger, faster and better.