{{ :electronic:led:pc143189.jpg?200|COH309TOA overview}}
^  LED Description  ||
^Model|**COH309TOA/E1**|
^Manufacturer| |
^Recovered from|Clock|
^Board IDs|COH309TOA/E1, PC-1 94HB|
^Digits|3½|
^Colour|red|
^Driver IC| |
^Arduino driver| |
^Connector|pin header|
^Num Pins|16|
^Pin spacing|0.1"|

{{ :electronic:led:7_segment_display_labeled_lc.svg.png|segment labels}}
^Pin#^digit^seg^digit^seg|
^1| | |am|
^2|1|b|pm|
^3|1|c|2|e|
^4|2|b|2|g|
^5|2|c|2|d|
^6|2|a|2|f|
^7|3|f|3|a|
^8|3|g|3|b|
^9|3|d|3|c|
^10|3|e|4|e|
^11|4|b|4|g|
^12|4|c|4|d|
^13|4|a|4|f|
^14| | |:| |
^15| | ^k2| |
^16^k1| | | 
\\
\\
====Datasheets====

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===== Examples : =====

{{:electronic:led:pc143189.jpg?800|COH309TOA front}}

{{:electronic:led:pc143192.jpg?800|COH309TOA back}}

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

{{:electronic:led:pc153239a.jpg?400|Multiplexed combination of K1 & K2}}

{{:electronic:led:pc153242a.jpg?400|K1 cathode}}

{{:electronic:led:pc153226a.jpg?400|K2 cathode}}