TOD9M0014-L3-E is a Hall effect sensor manufactured by Truly. It is an L3 package size and is a two-wire device. It measures the rotational speed of a permanent magnet. It has three operation modes: pulse width, ratiometric output, and duty cycle. It has a supply voltage of 5 VDC, a temperature range of -40°C to +125°C, and an output voltage range from 0.5 VDC to 4.5 VDC. The electrical connections are made via the DIP-9 top pattern.