1.5.3 Blocking Diodes

When specified, the inclusion of blocking diodes provide diode isolation to each LED input to prevent the occurrence of a sneak path causing load power from entering the illumination power bus. Internally shorted lamp pins are not isolated from each other.

Sample common anode cap schematic with Variable Voltage Dimming and Blocking Diodes. See Appendix C for a complete table of the available circuit schematics.