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Phantom Piezo Preamp V3
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Phantom Piezo Preamp V3
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2SK170BL Matched Quad
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Phantom Piezo Preamp V2
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Fairchild 2N5457 N-channel JFET TO-92 - Matched Pair.
***Note - obsolete part - limited availability - not for new designs***
2N5457 - N-Channel Low-Frequency Low-Noise Amplifier pair matched for Vgs(off) and within 0.1mA variation on Idss (Idss match typically <= 0.05mA).
Supplied with Stompville test data. Matched Quads also available.
Note: If you re-test Stompville items against Stompville-supplied data, the results you get will depend on the test voltage, prevailing room temperature and for how long you apply current to the devices (which will affect Idss as the device heats up). The important issue is that the pair will be closely matched to each other even if they are not exactly the Stompville values.
***Note - obsolete part - limited availability - not for new designs***
2N5457 - N-Channel Low-Frequency Low-Noise Amplifier pair matched for Vgs(off) and within 0.1mA variation on Idss (Idss match typically <= 0.05mA).
Supplied with Stompville test data. Matched Quads also available.
Note: If you re-test Stompville items against Stompville-supplied data, the results you get will depend on the test voltage, prevailing room temperature and for how long you apply current to the devices (which will affect Idss as the device heats up). The important issue is that the pair will be closely matched to each other even if they are not exactly the Stompville values.