Bicolour Leds (3-Lead Types) - Peak Electronics DCA75 User Manual

Atlas DCA Pro User Guide

Bicolour LEDs (3-lead types)

The type of bicolour LED is shown
here, in this example we have a
common cathode variety.
The details for each internal LED are
then shown.
It can be seen here that our example has
its common cathode terminal connected
to the Green test clip.
Typical values of forward voltage for LED colours are shown here:
(LED types/manufacturers may vary significantly)
Green (standard type)
Green (deep green / emerald)
3-lead bicolour LEDs are available in
common cathode
varieties. The DCA Pro supports both types.
In the same way as the 2-lead bicolour LED
analysis, each internal LED is detailed separately on the
DCA Pro screen.
LED Colour
Red
Amber
Yellow
Blue (and white)
and common
Bicolour LED (3 lead)
Common Cathode
#1: LED
#1: LED
Red-A Green-K
V F =1.935V at 5.00mA
#2: LED
Green-K Blue-A
V F =1.877V at 5.00mA
Typical V
Page 13
April 2015 – Rev 1.4
anode
@ 5mA
F
1.81V
1.86V
1.90V
1.95V
2.84V
2.95V