3A901 Category 3A
Electronic items, not specified by ECCN 3A001, as follows (see List of Items Controlled).
Category 3: Electronics
Reasons for control
- NS: National security
- RS: Regional stability
- AT: Anti-terrorism
List-based license exceptions
| Exception | As stated in the entry |
|---|---|
| GBS | N/A IEC: Yes, see § 740.2(a)(22) and § 740.24 of the EAR. |
| LVS | 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).
- 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).
Related controls
For related “software” see ECCN 3D901 and for “technology” see ECCN 3E901.
Notes
Technical Note: For the purposes of 3A901.a, CMOS integrated circuits are also referred to as cryogenic CMOS or cryo-CMOS.
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).
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.