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DM54LS168J/B
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Rochester Electronics LLC
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54LS168 - Decade UP/Down Counter | 
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54L193W/C
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Rochester Electronics LLC
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54L193 - 4 Bit Binary Up/Down Counter | 
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54LS190/BEA
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Rochester Electronics LLC
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54LS190 - BCD Counter, 4-Bit Synchronous Up/Down, With Mode Control - Dual marked (M38510/31513BEA) | 
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D1U54T-M-2500-12-HB4C
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Murata Manufacturing Co Ltd
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2.5KW 54MM AC/DC 12V WITH 12VDC STBY BACK TO FRONT AIR | 
PDF
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D1U74T-W-1600-12-HB4AC
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Murata Manufacturing Co Ltd
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AC/DC 1600W, Titanium Efficiency, 74 MM , 12V, 12VSB, Inlet C20,  Airflow Back to Front, RoHs | 
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