The ZR404 uses a bandgap circuit design to achieve a precision voltage reference of 2.45 volts. The device is available in small outline s ur f a ce mo u n t p a c k a g e s , i d e a l for a p pl i c a t i on s whe re s pac e s av i ng i s important as well as a 2 pin TO92 style package for through hole requirements.