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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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Package Part Number Part status Availability Price
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DescriptionPurchaseTechnical detailsManufacturer
THAT300AS14-USOIC-14 THAT300AS14-U
Active
8
1+ £ 6.40
25+ £ 4.94
100+ £ 3.97
4 matched NPN Transistors(SM pack)BUYTHAT300THAT
THAT300BS14-USOIC-14 THAT300BS14-U
Active
39
1+ £ 6.40
25+ £ 4.94
100+ £ 3.97
4 matched NPN Transistors(SM pack) BUYTHAT300THAT
THAT300P14-UDIP-14 THAT300P14-U
Active
148
1+ £ 6.57
25+ £ 5.07
100+ £ 4.08
4 matched NPN Transistors(DIP Pack)BUYTHAT300THAT
THAT300S14-USOIC-14 THAT300S14-U
Active
223
1+ £ 5.71
25+ £ 4.41
100+ £ 3.55
4 matched NPN Transistors(SM pack)BUYTHAT300THAT
THAT320P14-UDIP-14 THAT320P14-U
Active
22
1+ £ 6.57
25+ £ 5.07
100+ £ 4.08
4 matched PNP Transistors(DIP Pack)BUYTHAT320THAT
THAT320S14-USOIC-14 THAT320S14-U
Active
120
1+ £ 5.71
25+ £ 4.41
100+ £ 3.55
4 matched PNP Transistors(SM Pack)BUYTHAT320THAT
THAT340P14-UDIP-14 THAT340P14-U
Active
51
1+ £ 6.57
25+ £ 5.07
100+ £ 4.08
2 matched NPN 2 matched PNP Transistors(DIP Pack)BUYTHAT340THAT
THAT340S14-USOIC-14 THAT340S14-U
Active
337
1+ £ 5.71
25+ £ 4.41
100+ £ 3.55
2 matched NPN 2 matched PNP Transistors(SM Pack)BUYTHAT340THAT