3A231 Category 3A
Neutron generator systems, including tubes, having both of the characteristics described in this ECCN (see List of Items Controlled).
Category 3: Electronics
Reasons for control
- NP: Nuclear nonproliferation
- AT: Anti-terrorism
- foreign policy
Country chart
| Control | Column |
|---|---|
| Russian industry sector sanctions apply to entire entry | None |
| AT applies to entire entry | AT 1 |
| NP applies to entire entry | NP 1 |
List-based license exceptions
Items
- a. Designed for operation without an external vacuum system; and
- b. Utilizing electrostatic acceleration to induce:
- b.1. A tritium-deuterium nuclear reaction; or
- b.2. A deuterium-deuterium nuclear reaction and capable of an output of 3 × 10 9 neutrons/s or greater.
Related controls
See ECCNs 3E001 (“development” and “production”) and 3E201 (“use”) for technology for items controlled under this entry.
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.