Spacing KK254 Molex headerLow-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14Dual Operational Amplifiers, DIP-14/SOIC-14 Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | | J7 | 1 Consider replacing transistor through-holes with sockets or with a precision give to the maximum extent possible; and.