14 pin op amp – U3 from the DIYPNP kit.
Replacement AD654JN voltage to frequency converter IC. This is used in the Stimulator V2.1 and later versions of the standard Stim board.*Not used in the JimStim.Add to cart
Service replacement component pack.Includes:160-1300-5-ND optoisolator IXDI404PI-ND MOSFET driver 497-2055-5-ND RS232 chip 40 pin socket.Add to cart