Your are buying 4 pieces only here. (I may have other listings for smaller or larger quantities of this part if required.)

Original Plessey IC  SL6440CDP

The SL6440 is a double balanced mixer, intended for use in radio systems up to 150MHz  

Data Sheet Link  nlv://pdf1.alldatasheet.com/datasheet-pdf/view/124640/ZARLINK/SL6440.html

Despatches normally with 3 working days (more often than not, same day shipping)  but if you require goods urgently please just check this link to see if I am expected to be away or not. This will tell you our current exact despatch times:-

No Collections on small items sorry

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