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ECCN

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3A901

3A901 Electronic items, not specified by ECCN 3A001, as follows (see List of Items Controlled).

Category
Category 3—Electronics
Product group
A. “End Items,” “Equipment,” “Accessories,” “Attachments,” “Parts,” “Components,” and “Systems”

Reason for Control

  • NS
  • RS
  • AT

Official text

Reason for Control:

NS, RS, AT

Control(s) Country chart (see Supp. No. 1 to part 738)

  • NS applies to entire entry Worldwide control. See § 742.4(a)(5) and (b)(10) of the EAR.
  • RS applies to entire entry Worldwide control. See § 742.6(a)(10) and (b)(11) of the EAR.
  • AT applies to entire entry AT Column 1.

List Based License Exceptions (See Part 740 for a Description of All License Exceptions)

LVS: N/A

GBS: N/A

IEC: Yes, see § 740.2(a)(22) and § 740.24 of the EAR.

Special Conditions for STA

STA: License Exception STA may not be used to ship any item in this ECCN to any of the destinations listed in Country Group A:5 or A:6 (See Supplement No.1 to part 740 of the EAR).

List of Items Controlled

Related Controls: For related “software” see ECCN 3D901 and for “technology” see ECCN 3E901.

Related Definitions: N/A

Items:

a. Complementary Metal Oxide Semiconductor (CMOS) integrated circuits, not specified by 3A001.a.2, designed to operate at an ambient temperature equal to or less (better) than 4.5 K (−268.65 °C).

Technical Note:

For the purposes of 3A901.a, CMOS integrated circuits are also referred to as cryogenic CMOS or cryo-CMOS.

b. Parametric signal amplifiers having all of the following:

b.1. Designed for operation at an ambient temperature below 1 K (−272.15 °C);

b.2. Designed for operation at any frequency from 2 GHz up to and including 15 GHz; and

b.3. A noise figure less (better) than 0.015 dB at any frequency from 2 GHz up to and including 15 GHz at 1 K (−272.15 °C).

Note:

For the purposes of 3A901.b, parametric signal amplifiers include Travelling Wave Parametric Amplifiers (TWPAs).

Technical Note:

For the purposes of 3A901.b, parametric signal amplifiers may also be referred to as Quantum-limited amplifiers (QLAs).

ecfr-15cfr774-supp1-2026-08-28 · effective 2026-08-28

Issue date 2026-08-28. Amendment date 2026-08-28.

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