VTB8440B Photodiode These VTB process photodiodes, from EG & G Vactec, are in recessed ceramic packages. They also incorporate an infrared (IR) rejection filter. The VTB Series offer high shunt resistance and a good blue response. <BR/> Features of the VTB8440B photodiodes:<BR/>Ceramic package<BR/>Through-hole mounting<BR/>Active area dimensions: 5.16 mm²<BR/>Operating temperature: -20 to +75 °C<BR/>Angle of half intensity: 50°