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[TCML] Re: Current capacitor choices
To : tcml@xxxxxxxxxxxxxxx Subject : [TCML] Re: Current capacitor choicesFrom : Mads <fleex@xxxxxxxxxxx >Date : Tue, 3 Jan 2023 14:56:04 +0100Arc-authentication-results : i=1; rspamd-774c5fc67c-pgj88; auth=pass smtp.auth=azehosting smtp.mailfrom=fleex@xxxxxxxxxxx Arc-message-signature : i=1; a=rsa-sha256; c=relaxed/relaxed; d=mailchannels.net; s=arc-2022; t=1672759785; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=u8f99Us0W3jO+tyNDY0fVCSp19LrxSjHecSgOfA3RUM=; b=jiPXdmgH88Bth140zFpgRx7RgJDsIEXPKPE2CqnyxYwgAnfmcmMqbdFmf+OkarhpkFwCD7 4QYY7RMEr2T+oD8JMbkhI2s63FWH7z+ivYCQ2WDJex5/rPh5PRr/0r6cdQWHVTrcKF9fxo CWfhdm5qrEE300ZrlWurTnsZQUUov8yPXSQkoIHIYIE55z+vOnb+jQLyJOWluTH7PtDSQc Fz+DOu/Rwde9oTOsJiiegMkLKmNobxLpo5Jy+c/5OGri4E6EF9d+G/p4LUqYc+qo1XSz/t MSlRJxVgAduM0v7rqPmGo1dsL9DIoHj+NMqawR4qe9rdvkMHJlV5qHaiUtFPTQ==Arc-seal : i=1; s=arc-2022; d=mailchannels.net; t=1672759785; a=rsa-sha256; cv=none; b=f+8Nx01+v7q4e0sE/9hFJJ+MS+dbMu9xMA0RX0KkvG31DfheO7gMMbcnZ+Ir+1NZs/zq8e z8vQp05j4cRiX3bJmwW3GZ3EjADv+09HWbFjw/33vZEDJUZ+HNP9U5u0k4pBdzDgW4D0BS L9DVhvs2amjQYlb+Und96BJ4xmPAGjJ3KomykJW+ozLwpJGWtM0+WbEapaxx1vENwJs0W/ 1LNSw7GD9lWt2laW2Wb1RT7DhOaxzmBWyuiE1UZpTJXTY0f6jnLCj3auy8n8yHwynCchP8 YBozrQ3VNsYc8GfsnszAMrXoDH6O0Zhz3k5E8X8kV9fM7tBaQyP1D5DWuZXrnQ==Archived-at : <https://tcml.pupman.com/archives/list/tcml@xxxxxxxxxxxxxxx /message/ARODWTSLVDAVC2RLUJYL2X3LZ3KD35IA/>Authentication-results : piggy.pupman.com; dkim=pass (2048-bit key; unprotected) header.d=emwd.com header.i=@emwd.com header.a=rsa-sha256 header.s=harmony header.b=rtytXWxz; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=disorder.dk header.i=@disorder.dk header.a=rsa-sha256 header.s=default header.b=fSOEcQ28Authentication-results : host.harmonylists.io; dkim=pass (2048-bit key; unprotected) header.d=disorder.dk header.i=@disorder.dk header.b="fSOEcQ28"; dkim-atps=neutralDelivered-to : teslaarchive@xxxxxxxxxx Dkim-filter : OpenDKIM Filter v2.11.0 piggy.pupman.com C705E42BEEFDkim-signature : v=1; a=rsa-sha256; c=simple/simple; d=emwd.com; s=harmony; t=1672769425; bh=njl8QGJwTQ+VPdoVpVlipD8adWViJB8PaW17g6t+txY=; h=Date:To:References:From:In-Reply-To:Reply-To:Subject:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=rtytXWxz+L+FmooC6HmJhuD3c07P/3IoxDmbSTIhBBB5kkWZFNmirC2K2jmdTihnb 8V8PsOjnVQ2l/747EFdcPvbKBnxPNb81hwhqe16PmBqNxuQxi9cGDt00YUmnvW8d8+ pR+JE4k5SI8OvHNMXXRBfIxcpHCHQEYd747EO5G57RfgB7qMdNq/j/17y01qYaU0Xl YjbUJhq1+2FXn4ZDvGCXm4l9vIa0AiWAnplQeuDEiDBlJPQ8k5LcEEl8Qf9sEt2uzY VK/10loNGUoVGAuHOuG7pW/II7p3QP8b514h9kKFSOGk4sz/Xfri/N2DJpzekIkgGj 25wpIcNLt24EQ==Dkim-signature : v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=disorder.dk ; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=u8f99Us0W3jO+tyNDY0fVCSp19LrxSjHecSgOfA3RUM=; b=fSOEcQ28jfyEh+Lw4ANgL53k+I xJLN1YIGF+oraGSrPbi0Gbh0p7baZ18T3f3KVLHp0gYHXeu469hRoYX5d+VCagkzrOqeJ1LCxYWDu +iQlSMwhtx6K1rSlVpKaV6wDjYLL5r4FVIdk8+fMQTy/iIBSzuUA3uReMv4Ocs/zCcDtSliMR81Os VGwzLuZVgjyKllsOoYnGmABA41URPNAK645FkN5nFJxGyzz4+HEs9+N1fxpk2DbHt3PAJ+km45dhY rFtyRz8DT2gNbOvQpccVClDEs910jDjVXHNTNT1NmEc+3LAJkuiJymUUZ6U9rVXlxdJtokwnXJ/vY e0nfhbRw==;In-reply-to : <706efe29-bb6f-d7c0-361b-d312c5ca5cf8@luxfamily.com >List-archive : <https://tcml.pupman.com/archives/list/tcml@tcml.pupman.com/ >List-help : <mailto:tcml-request@tcml.pupman.com?subject=help >List-id : Tesla Coil Mailing List <tcml.tcml.pupman.com>List-owner : <mailto:tcml-owner@tcml.pupman.com >List-post : <mailto:tcml@tcml.pupman.com >List-subscribe : <mailto:tcml-join@tcml.pupman.com >List-unsubscribe : <mailto:tcml-leave@tcml.pupman.com >References : <706efe29-bb6f-d7c0-361b-d312c5ca5cf8@luxfamily.com >Reply-to : Tesla Coil Mailing List <tcml@xxxxxxxxxxxxxxx >User-agent : Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1
Hi Jim
Almost all kinds of MKP / metalized film capacitors (with the right
voltage/capatiance ratio) is viable for a MMC.
I collected a list of good capacitors here:
https://kaizerpowerelectronics.dk/tesla-coils/drsstc-design-guide/good-mmc-capacitors/
You can also choose the same capacitors in the MMC calculator along with
a Tesla coil design:
https://kaizerpowerelectronics.dk/calculators/mmc-calculator/
Kind regards
Mads
On 03-01-2023 00:17, Lux, Jim wrote:
I was just pricing the venerable 942P series for some speculative MMC
designs, and they're $7-10 each, depending on values. .15uF, 2kV in
Qty 100 is $677.
So a string of 10 (to get 20kV) is about $70. and will be 0.015 uF, if
you wanted to get to 0.06 that's 4 strings or $240.
Notionally a 6" diameter secondary 36" tall (winding of 29") and a
topload resonating around 100kHz, with a flat primary that's 10 turns
and 44 uH will take about 0.06 to resonate at 100 kHz
What are people using these days?
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