Silicon Junction FETs XIAOSHENG Symbol: Drain LH03 Series of Products interconvert: 2SK30A Gate Source Silicon N-Chinnel Junction FET „ Application: For. KSK Silicon N-channel Junction Fet . Design. This datasheet contains the design specifications for The datasheet is printed for reference information only . Part Number: K30A Function: 2SK30ATM / K30A FET Silicon N Channel Juction Type Maker: Toshiba Pinouts: K30A datasheet. Description.

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Started by analag The Lab. I use a pair of the 2SK single in place of the Dataseet all the time, and yes, I do buy them in 10k quanities. Fred if I may be so bold – I have been looking at your schematic and was wondering how different the s are that I have?

K30A Datasheet PDF

So what else can be used when they are all gone?? The most important characteristic now is how much affect the gate voltage has on the current flow through the channel.

Hi Tamas Sorry I missed your reply there for a while I’m not asking for you to share any precious circuit diagrams, just curious what other features you have added? Help FAQs Go to top. Hey Tamas – that sure sucks If it’s OK to provide scans of recent magazine articles I can datasjeet. The values in the tone stack are then pretty close to the tone stack used in the “Tone 2” position on the FY I’m bummed that Toshiba has discontinued these and not offered a replacement.

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After reading the Hardy document, it became clear that there would be a substantial improvement in noise performance by using a device like the monolithic LM bipolar transistor chip. I can’t afford three per channel so I thought I could have a go at designing the input buffer part datashedt.

K30A Datasheet PDF – ETC

datasheft The low side cutoff is now about 60 Hz. Try clipping the pot and resistor in before soldering it up, just in case I’m way off base here. Currently I am concentrating stashing away a couple of hundred of 2SKs. To get the cutoff back up to Hz while leaving the 0.

If I were building this circuit, and I had the 2N available, I’d give it a shot. However, I still use the K in critical locations. But I will be using the devices in hopefully an instrumentation based amp for line level buffering.

Join the HC Newsletter. Thanks a lot Fred! The 2N has the gate on right pin when viewing the flat side of the package.

diode help please! | Harmony Central

We can get a rough idea of the operating range for a given gate voltage by looking at the channel current vs. Should be able to get really low noise and offset with these. I’ve never purchased from them, so I can’t vouch for them as a company. Thanks for the tip Charlie! Not that the makes a poor line level device As a general rule how many JFets would one go through to get, say 20 pairs well matched? Login or Sign Up. I remember thinking something similar when reading the PDF.


That’s a pretty big chunk of the mids. Tamas, let me know if you want a hand adding to your total buy of the 2SKs – I may be in for at that price if its not too much trouble. The 2SK30A has the gate on the middle pin.

The mid scoop is pretty extreme. This may not be a problem in your application, since the FET stage is immedately followed by a level pot, so you can compensate fatasheet the additional gain. The cutoff frequency for the low side is Hz, and the cutoff frequency for the high side is Hz.

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