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Tech Head - The Technology Section
The Work Bench and Soldering Station
Component List for Echostar AD3000ip SMPS
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<blockquote data-quote="Llew" data-source="post: 312910" data-attributes="member: 175007"><p>A list of active devices used in the AD3000ip SMPS -</p><p></p><p>TRANSISTORS</p><p>----------------------</p><p></p><p>Q1 IRFZ24 Power Mosfet. Possible source, Cricklewood. They suggest using IRFZ44, as the IRFZ24 may be a discontinued device.</p><p>Q2 2SC945 Transistor.</p><p>Q3,4 2SC3205 Transistor.</p><p>Q5 AN378A = 2SA7273.</p><p>Q6 Don't see this on the board.</p><p>Q7 2SC945</p><p></p><p>All available from Cricklewood Electronics, may be obtainable from other companies though.</p><p></p><p>IC's</p><p>-----</p><p></p><p>IC1 1HO565 Fairchild Power Switch. May be discontinued, Fairchild have the KA1N0565 that may have replaced it. Looking for source.</p><p>IC2, IC6, IC8 L9941 Optocoupler. Can't find a device with this number. Possible replacement, the 817C from Farnell.</p><p>IC3,4,7 KA431 Programmable Shunt Regulator. Farnell (KA431Z)</p><p>IC5 IMO880 Fairchild Power Switch. This may have been replaced by the 7MO880. Looking for source ( Rating 800V 8A)</p><p></p><p>TR1 Triac BT137 Farnell.</p></blockquote><p></p>
[QUOTE="Llew, post: 312910, member: 175007"] A list of active devices used in the AD3000ip SMPS - TRANSISTORS ---------------------- Q1 IRFZ24 Power Mosfet. Possible source, Cricklewood. They suggest using IRFZ44, as the IRFZ24 may be a discontinued device. Q2 2SC945 Transistor. Q3,4 2SC3205 Transistor. Q5 AN378A = 2SA7273. Q6 Don't see this on the board. Q7 2SC945 All available from Cricklewood Electronics, may be obtainable from other companies though. IC's ----- IC1 1HO565 Fairchild Power Switch. May be discontinued, Fairchild have the KA1N0565 that may have replaced it. Looking for source. IC2, IC6, IC8 L9941 Optocoupler. Can't find a device with this number. Possible replacement, the 817C from Farnell. IC3,4,7 KA431 Programmable Shunt Regulator. Farnell (KA431Z) IC5 IMO880 Fairchild Power Switch. This may have been replaced by the 7MO880. Looking for source ( Rating 800V 8A) TR1 Triac BT137 Farnell. [/QUOTE]
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The Work Bench and Soldering Station
Component List for Echostar AD3000ip SMPS
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