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Transistor COT 50 
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Joined: 03 Jan 2008, 12:21
Posts: 7803
Location: Malmö
Post Transistor COT 50
Tänkte bygga en klon på Lovepedal COT50 men varken ELFA eller Bejoken har den rätta transistorn, <b>2N5088</b>.
Vad kan man ersätta den med för att få ungefär samma gain och tonmässiga egenskaper?


13 Nov 2010, 18:57
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Joined: 02 Mar 2009, 20:20
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Location: Värmland
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Electrokit.se har den annars [:)]


13 Nov 2010, 19:22
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Tackar, men vore bra om det fanns någon Bejoken eller ELFA har då jag bor ca 1 km från båda.


14 Nov 2010, 12:58
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Joined: 02 Nov 2003, 00:51
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NPN general purpose transistor 2N5088
FEATURES
· Low current (max. 100 mA)
· Low voltage (max. 30 V).
APPLICATIONS
· Low noise stages in audio equipment.
DESCRIPTION
NPN transistor in a TO-92; SOT54 plastic package.
PIN DESCRIPTION
1 collector
2 base
3 emitter
Fig.1 Simplified outline (TO-92; SOT54)
and symbol.
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VCBO collector-base voltage open emitter - 35 V
VCEO collector-emitter voltage open base - 30 V
ICM peak collector current - 200 mA
Ptot total power dissipation Tamb £ 25 °C - 500 mW
hFE DC current gain IC = 1 mA; VCE = 5 V 350 -
fT transition frequency IC = 500 mA; VCE = 5 V; f = 100 MHz 50 - MHz
F noise figure IC = 200 mA; VCE = 5 V; RS = 2 kW;
f = 10 Hz to 15.7 kHz
- 3 dB

självklart kan ELFA ersätta en sån- förmodligen Bejoken med
tec BC549B
https://www1.elfa.se/data1/wwwroot/asse ... 50C_en.pdf

b


14 Nov 2010, 14:41
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<font size="4"><font color="purple">Stort tack för det</font id="purple"> </font id="size4"> [:)]


14 Nov 2010, 21:20
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