The diodes are 1N4148-type devices. Yet because they must be matched, they're often part of a transistor array (short the collector-base junction and use the emitter-base junction as the diode).

Agilent Technologies Inc. has introduced the 1200 Infinity Series high dynamic range diode array detector for liquid chromatography. It delivers 30 times wider linear UV-range and up to 30 times ...

Supplied in the space-saving TSSOP-16EP (5.1mm x 6.6mm) package, the AL1783Q is available at $0.43 in 2,500 piece quantities. About Diodes Incorporated ...