Thyristors

Introduced: January 2025

Of 8 combined children, 4 exist in both systems.

4 codes are CPC-only extensions.

IPC defines codes here since 2025.

Child Classifications

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H10D 18/01 Manufacture or treatment since 2025 +2 CPC IPC+CPC Available in IPC and CPC
H10D 18/211 CPC only CPC only
H10D 18/221 CPC only CPC only
H10D 18/241 CPC only CPC only
H10D 18/251 CPC only CPC only
H10D 18/40 with turn-on by field effect since 2025 IPC+CPC Available in IPC and CPC
H10D 18/60 Gate-turn-off devices since 2025 IPC+CPC Available in IPC and CPC
H10D 18/80 Bidirectional devices, e.g. triacs since 2025 IPC+CPC Available in IPC and CPC