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    | Partname: | HMA121R3V |  
    | Description: | FULL PITCH MINI-FLAT PACKAGE 4-PIN OPTOCOUPLERS |     
    | Manufacturer: | Fairchild Semiconductor |  
    | Datasheet: | PDF (99.3K). Click here to download *) |  
    The HMA124, HMA121 series and HMA2701 series consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a compact 4-pin mini-flat package. The lead pitch is 2.54 mm. The HMAA2705 consists of two gallium arsenide infrared emitting diodes, connected in inverse parallel, driving a single silicon phototransistor in a compact 4-pin mini-flat package. The lead pitch is 2.54mm.  |  
    
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    Click here to download HMA121R3V Datasheet*) | 
  
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