COH309TOA overview

LED Description
ModelCOH309TOA/E1
Manufacturer
Recovered fromClock
Board IDsCOH309TOA/E1, PC-1 94HB
Digits
Colourred
Driver IC
Arduino driver
Connectorpin header
Num Pins16
Pin spacing0.1”

segment labels

Pin#digitsegdigitseg
1 am
21bpm
31c2e
42b2g
52c2d
62a2f
73f3a
83g3b
93d3c
103e4e
114b4g
124c4d
134a4f
14 :
15 k2
16k1



Datasheets


Examples :

COH309TOA front

COH309TOA back

A similar led module showing the type of multiplexing going on, each half cycle of the mains AC power, it switches cathodes :

Multiplexed combination of K1 & K2

K1 cathode

K2 cathode