6A202 Category 6A

Photomultiplier tubes having both of the following characteristics (see List of Items Controlled).

Category 6: Sensors and Lasers

Reasons for control

• NP: Nuclear nonproliferation
• AT: Anti-terrorism

Country chart

List-based license exceptions

Items

1. Items: a. Photocathode area of greater than 20 cm 2; and
2. b. Anode pulse rise time of less than 1 ns.

Related controls

See ECCNs 6E001 (“development”), 6E002 (“production”), and 6E201 (“use”) for technology for items controlled under this entry.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.