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Trasistor question

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發表於 2012-3-23 19:52:33 | 顯示全部樓層 |閱讀模式
Hello, can you help me with transistor ssc 8138gt4. I don't find datasheet. Can you write me a replacement which I could use. THX
發表於 2012-3-23 23:44:08 | 顯示全部樓層
本帖最後由 scottwang 於 2012-3-23 11:53 PM 編輯

You was asking a question as below :
it could be a N channel MOSFET, using in remote Helicopter.

http://bbs.pigoo.com/thread-31099-1-1.html

http://bbs.5imx.com/BBS/viewthread.php?tid=509374


You can use a simple circuit to test the MOSFET - N Channel.
http://brunningsoftware.co.uk/FET.htm
  
http://www.instructables.com/ans ... -N-channel-mosfets/

If you could provide the Voltage and Current of your device, maybe it will help everyone more easier to find another Mosfet to replace it.


發表於 2012-3-24 00:20:48 | 顯示全部樓層
It look like be used in RC helicopter ( motor driver )
1. Refer to Here
請問這是什麼元件呢?
http://bbs.pigoo.com/thread-31099-1-1.html
-----------------------------------------------------------------
2. If the part same as photo, the SSC is Sanyo Semiconductor Co ,
    it be take over by ON-Semi Co
     No data sheet and End-of-Life


you have to check motor circuit, to trace motor and battery
if motor connect to Batt+  the MOSFET is N-Ch  ( all most ..)
if motor connect to Batt-   the MOSFET is P-Ch

MOTOR.jpg

replace part ... you can refer PC Mother Board (CPU )or Graph Card(GPU) power management Power MOSFET
these MOSFET is Low voltage control  and higher current...


these M/B and Graph Card    MOSFET please refer
電腦主機板維修技術  http://bbs.pigoo.com/forum-117-1.html
顯示卡及記憶體維修技術  http://bbs.pigoo.com/forum-159-1.html
-------------------------------------------------------------------------------------
Sorry , I am poor english ,, I try...
發表於 2012-3-24 01:01:18 | 顯示全部樓層
SIMON1016 發表於 2012-3-24 12:20 AM static/image/common/back.gif
It look like be used in RC helicopter ( motor driver )
1. Refer to Here
請問這是什麼元件呢?


看simon大的電路圖,我突然聯想到...
這會不會是電子變速器裡的一個零件!?有玩遙控模型的大大們應該知道什麼是"電子變速器"...


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