Lsk170 substitute. Ideal for ultra-low-noise audio/acoustic applications. Nelson has been talking about using those in new projects. That J113 looks good too for a GR variant. Its basically the InterFet version of the Toshiba 2SK147/2SK369. Linear Systems is trying to make the J74s but their yields are very low, hopefully we'll have a new batch soon and re-stock the store. Jan 17, 2018 ยท There are some devices that are similar, if not a direct drop-in replacement, but are very nice for audio. Its similar to the 2SK170, except for being larger with higher trans conductance. Linear Integrated Systems' LSK170 series is a single, low noise, low capacitance, high input impedance, N-channel JFET amplifier is a direct replacement for the Toshiba 2SK170. Available in the TO-92 3L RoHS, SOT-23 3L RoHS and SOT-89 3L RoHS package, as well as in die form. Understood.
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