The Toshiba TOLD9200 was the first commercially available visible laser diode with a wavelength of 670nm. It has a built in photo diode for monitoring the laser output for use in automatic power control (APC) circuits. The common case pin is laser diode anode and photo diode cathode. See pictures for the spec sheets.

Specifications:

Output Power: 2.0mW typical, 3.0mW maximum

Wavelength: 670nm typical, 680nm maximum, RED

Operating Voltage: 2.3 Volts typical

Threshold Current: 76mA typical

Operating Current: 85mA typical

Monitor Current: 0.45mA typical

Operating Temperature: -10 to 50 deg.C

Package: TO-9, 9mm diameter base

Note: Due to the sensitive nature of laser diodes, there is no warranty or exchanges on these items.