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Transistor Arrays

When it comes to matched transistor arrays, you're not likely to find any better than THAT Corporation's 300 series. These are large-geometry, 4-transistor, monolithic NPN and/or PNP arrays exhibiting both high speed and low noise, with excellent parameter matching between transistors of the same gender. Their low base-spreading resistances and voltage noise under 1nV/√Hz make the 300 series ideal for low-noise amplifier input stages, among other applications.

They are fabricated in a dielectrically isolated (DI), complementary bipolar process, where each transistor is electrically insulated from the others by a layer of insulating oxide (and not the reverse-biased PN junctions used in conventional arrays). Consequently, the THAT300 series exhibit inter-device crosstalk and DC isolation similar to that expected from discrete transistors - perfect for audio applications!

The THAT300s are available in standard gain (typ 100) and also higher gain versions of 150+ and 300+.


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Master Part Comments Recommended for new design  

This product will be in production for the foreseeable future, and is recommended for new designs.

This product is either at end of life or obsolete, and is not recommended for new designs.

ManufacturerVceIchFEenGBΔhfeData Sheet
THAT300 NPN x 4
THAT40V0.05A1000.8nV350MHz4%THAT300S14-U datasheet
THAT320 PNP x 4
THAT-36V-0.03A750.75nV325MHz5%THAT320S14-U datasheet
THAT340 NPN x 2 PNP x 2
THAT36V0.03A750.8nV325MHz5%THAT340S14-U datasheet