<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet type="text/xsl" href="http://www.engineswaptech.com/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>For sale </title><link>http://www.engineswaptech.com/forums/11/ShowForum.aspx</link><description>You got it, they want it, sell it here.</description><dc:language>en-US</dc:language><generator>CommunityServer 2.0 (Build: 60217.2664)</generator><item><title>You may need it~</title><link>http://www.engineswaptech.com/forums/thread/96708.aspx</link><pubDate>Mon, 26 Oct 2009 06:47:22 GMT</pubDate><guid isPermaLink="false">cbdf8648-6ffd-4c56-9deb-5c1ba81f1bff:96708</guid><dc:creator>seekic</dc:creator><slash:comments>0</slash:comments><comments>http://www.engineswaptech.com/forums/thread/96708.aspx</comments><wfw:commentRss>http://www.engineswaptech.com/forums/commentrss.aspx?SectionID=11&amp;PostID=96708</wfw:commentRss><description>&amp;nbsp;The 3CA1837 is a kind of TO-220 plastic-encapsulate transistor (NPN).Here you can get some information about the features.First,it has high transition frequency : fT=70MHZ(Typ).Secondly,it is complementary to 3DA4793.Thirdly,the collector power dissipation (P&lt;SUB&gt;CM&lt;/SUB&gt;) is 2W (Tamb=25℃) and 20 W (T&lt;SUB&gt;case&lt;/SUB&gt;=25℃). 
&lt;P align=justify&gt;&lt;FONT face=Verdana&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; You have to get some detail information about the absolute maximum ratings if you want to purchase the product.The Storage Temperature (T&lt;SUB&gt;stg&lt;/SUB&gt;) is from -55 to +150 ℃.The Junction Temperature (T&lt;SUB&gt;j&lt;/SUB&gt;) is +150 ℃.The Collector to Base Voltage (V&lt;SUB&gt;CBO&lt;/SUB&gt;) is -230 V.The Collector to Emitter Voltage (V&lt;SUB&gt;CEO&lt;/SUB&gt;) is -230 V.The Emitter to Base Voltage (V&lt;SUB&gt;EBO&lt;/SUB&gt;) is -5 V.The Collector Current DC (I&lt;SUB&gt;C&lt;/SUB&gt;) is -1000 A.The Base Current DC (I&lt;SUB&gt;B&lt;/SUB&gt;) is -100 A.&lt;BR&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; The following is about the electrical characteristics at T&lt;SUB&gt;C&lt;/SUB&gt;=25℃.The Min Collector-base Breakdown Voltage (V&lt;SUB&gt;(BR)CBO&lt;/SUB&gt;) is -230 V at I&lt;SUB&gt;C&lt;/SUB&gt;=-100μA,I&lt;SUB&gt;E&lt;/SUB&gt;=0.The Min Collector-emitter Breakdown Voltage (V&lt;SUB&gt;(BR)CEO&lt;/SUB&gt;) is -230 V at I&lt;SUB&gt;C&lt;/SUB&gt;=-1mA,I&lt;SUB&gt;B&lt;/SUB&gt;=0. The Min Emitter-base breakdown voltage (V&lt;SUB&gt;(BR)EBO&lt;/SUB&gt;) is -5 V at I&lt;SUB&gt;E&lt;/SUB&gt;=-100μA, I&lt;SUB&gt;C&lt;/SUB&gt;=0.The Max Collector Cut-off Current (I&lt;SUB&gt;CBO&lt;/SUB&gt;) is -10 μA at V&lt;SUB&gt;CB &lt;/SUB&gt;= -230 V,I&lt;SUB&gt;E&lt;/SUB&gt;=0.The Max. Emitter Cut-off Current I&lt;SUB&gt;EBO&lt;/SUB&gt; is -10 μA at V&lt;SUB&gt;EB&lt;/SUB&gt;=-5V, I&lt;SUB&gt;C&lt;/SUB&gt;=0. The Min. DC Current Gain (h&lt;SUB&gt;FE&lt;/SUB&gt;) is 100 and the Max. is 320 at V&lt;SUB&gt;CE&lt;/SUB&gt; = -5 V, I&lt;SUB&gt;C&lt;/SUB&gt; = 100 mA. The Max. Collector to Emitter Saturation Voltage (V&lt;SUB&gt;CE&lt;/SUB&gt;(sat)) is -1.5 V at I&lt;SUB&gt;C &lt;/SUB&gt;= -500mA,I&lt;SUB&gt;B&lt;/SUB&gt; = -50mA. The Typical Transition Frequency (f&lt;SUB&gt;T&lt;/SUB&gt;) is 30 MHz at V&lt;SUB&gt;CE&lt;/SUB&gt; = -10V, I&lt;SUB&gt;C&lt;/SUB&gt; = -100mA.&lt;/FONT&gt;&lt;/P&gt;
&lt;P align=justify&gt;&lt;FONT face=Verdana&gt;more information from &lt;A href="http://www.chnaicmart.com/"&gt;www.ChnaICMart.com&lt;/A&gt; and &lt;A href="http://www.seekic.com/"&gt;www.seekic.com&lt;/A&gt;&lt;BR&gt;&lt;/P&gt;&lt;/FONT&gt;</description></item></channel></rss>