The fourth Diodes Incorporated slice: discontinuations from four further Product Change Notices opened in full on the OEM's own site (diodes.com), none of them in the v1, v2 or v3 datasets: PCN-2708-REV1 (notification 14 November 2024, Analog, 2 devices), PCN-2686 REV 1 (notification 8 July 2024, Discrete Semiconductor, 75 devices shipped), PCN-2491 REV 1 (notification 17 November 2020, Discrete, 38 devices) and PCN-2459 REV 1 (notification 28 May 2020, Discrete, 236 devices). Every record is one device from a shipped table of its notice, preserving the notice's table structure: which tables print a recommended replacement, and which offer a life-time buy.
148 records carry a printed recommended replacement (2 in PCN-2708, 17 in PCN-2686, 32 in PCN-2491 and 97 in PCN-2459; Diodes's own pairings, shipped exactly as printed); the other 203 print no recommended replacement — no successor is inferred anywhere.
Time status: every life-time-buy window in this file has closed — the most recent is PCN-2708's life-time-buy table (last order 14 May 2025, last ship 14 November 2025). The value here is the verified discontinuation and migration cross-reference.
Counting basis, stated plainly: PCN-2708 Table 1 prints 2 devices; PCN-2686 Tables 1-4 print 51 + 8 + 10 + 7 = 76, of which 75 ship here; PCN-2491 Tables 1-2 print 6 + 32 = 38; PCN-2459 Tables 1-4 print 4 + 135 + 54 + 43 = 236 — 351 records in total, every part number unique across the file and disjoint from the v1 (291), v2 (1,076) and v3 (627) Diodes datasets (asserted programmatically at build).
Honesty note — printed duplicate, disclosed: B2100 prints twice in PCN-2686 Table 1 (in two different columns of the list). It ships once, at its first printed position; PCN-2686 Table 1 therefore ships 50 of its 51 printed entries.
Verification standard: Diodes-authored notices only, hosted on the OEM's own domain — downloaded first-hand by this build run and parsed by printed span coordinates (rows clustered by baseline where a table's cells sit on offset baselines, asserted row-by-row), cross-validated against an independent word-layer extraction and a pdftotext -layout extraction.
| Notice | Part to be Discontinued | Replacement Part | Last Time Buy | Last Ship |
|---|---|---|---|---|
| PCN-2708-REV1 Table 1 | HX2125004Q | HX2A25004Q | 2025-05-14 | 2025-11-14 |
| PCN-2686 REV 1 Table 1 | B130B | None named | None offered (as printed — no life-time buy opportunity) | Not printed |
| PCN-2686 REV 1 Table 1 | MBR10200CTW | None named | None offered (as printed — no life-time buy opportunity) | Not printed |
| PCN-2491 REV 1 Table 1 | ZX5T3ZQTA | None named | None offered (as printed — no life-time buy opportunity) | Not printed |
| PCN-2491 REV 1 Table 2 | BZX84C9V1-7-F-31 | BZX84C9V1-7-F | None offered (as printed — no life-time buy opportunity) | Not printed |
| PCN-2459 REV 1 Table 1 | MBR2045CTI | None named | None offered (as printed — no life-time buy opportunity) | Not printed |
| PCN-2459 REV 1 Table 2 | UDZ3V9B-7 | None named | 2020-11-28 | 2021-05-28 |
| PCN-2459 REV 1 Table 4 | BZT52C3V6S-7-F-79 | BZT52C3V6S-7-F | 2020-11-28 | 2021-05-28 |
Sample rows are copied verbatim from the paid dataset file (the paid file also carries the series / detail, the issue date and a source URL per record).
Full file: all 351 discontinuance records from the shipped tables of the four notices above, plus buyer notes and honesty notes. Clean Markdown, compiled 2026-10-22.
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Facts compiled from Diodes Incorporated's published Product Change Notices; not affiliated with or endorsed by Diodes Incorporated. Trademarks belong to their owners. Verify the current status of any specific part against the original PCN before committing a design or a purchase order.