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#1
 
11-07-2004, 07:01 PM
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Hi, can anyone out there help? i have a Shibaura VMC4 by Toshiba circa 1983 and it has blown Transistors (2SD646A) on the spindle drive. i have looked all over for them or the equivalents. thanks
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#2
11-07-2004, 08:12 PM
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| If you get stuck you may want to look in the Motorola range of types MJ or MJH there is a source in the UK http://www.dialelec.com/index.html It seems that they may be high voltage NPN darlingtons TO3?, if you do not need the high voltage look at something lower like MJ11030 etc. Good luck. Al
__________________ “Logic will get you from A to B. Imagination will take you everywhere.” Albert E. (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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#4
11-07-2004, 10:04 PM
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Al
__________________ “Logic will get you from A to B. Imagination will take you everywhere.” Albert E. (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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#5
11-08-2004, 12:47 AM
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| 2SD646 NPN switching transistor VCBO 600v VEBO 5v Ic 50A Pc 400W(Tc=25ﾟC) Tj 150 degrees centegrade hFE >150 fab/ft* 5 Mhz Cob 600pf Pac. Dim. No 319 http://homepage3.nifty.com/ebina2540...D0601-0700.htm Couldn't cross it easily, big voltage and amperage. |
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#6
11-08-2004, 01:21 PM
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| These show qty 41 in Canada. http://www.doom.com/search.php?q=2sd646a Al
__________________ “Logic will get you from A to B. Imagination will take you everywhere.” Albert E. (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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servo drive help (newby) 
Linear Mode
