The second Bourns slice: 974 discontinued gas discharge tube orderables from the two Bourns-authored Product Obsolescence Memos GDT2501REV2 (select non-lead-free GDT series, 538 records; revised February 14, 2025) and GDT2605 (select standard and non-standard GDT series, 436 records; revised October 5, 2026), downloaded first-hand from bourns.com and opened in full. 578 records carry a printed per-part recommended replacement; the rest print the memo's own NA / N/A. Zero overlap with the Bourns v1 dataset (asserted at build). These were the top remaining v2 lead since the v1 build — the memos' interleaved text layers made them unpairable by the v1 pipeline, so this build parses them by column-sequence zip (each column read top-to-bottom and zipped per Affected|Replacement pair, every column's counts asserted equal) and cross-validates every token against an independent layout extraction.
What is in the file: GDT2501REV2 = 538 records of non-lead-free GDT orderables (2026/2027/2035/2036/2038 series), most with their printed lead-free "-LF" replacement; GDT2605 = 436 records of standard and non-standard GDT orderables (2011/2017/2018/2019/2020/2026/2029/2030/2035/2036/2037/2038/2039/2047 series plus SA2/GDT25/GDT212E/1669/1675/71506 lines).
The memos contradict themselves — shipped as printed: GDT2501REV2's cover says the recommended replacements' form and function are identical to the obsolete parts; GDT2605's cover says "Regrettably, no replacement part numbers are available at this time" — yet its tables print suggested replacements for 129 of its 436 rows. Records carry the tables' printed replacements, never the cover's. One printed row on GDT2605 page 5 lists two affected parts (2047-09-A and 2047-15-A) sharing one NA cell — both ship with None named, stated rather than silently doubled.
Schedule, as printed: GDT2501REV2 — issued 2025-01-14, effective 2025-12-31, last time buy 2025-12-31, last ship 2026-06-30 (all passed). GDT2605 — issued 2026-05-21, effective 2026-09-30, last time buy 2026-09-30 (passed), last time ship 2026-12-15 (still ahead).
Verification standard: Bourns-authored memos only, downloaded first-hand from the OEM's own domain (no distributor mirror), parsed by printed column geometry with every column's pairing asserted at build, cross-validated against an independent layout extraction. Facts only — no memo prose reproduced beyond short operative quotations.
| Memo | Part to be Discontinued | Replacement Part | Last Time Buy | Last Ship |
|---|---|---|---|---|
| GDT2501REV2 | 2026-07-A1 | 2026-07-A1LF | 2025-12-31 | 2026-06-30 |
| GDT2501REV2 | 2026-40-C18 | None named | 2025-12-31 | 2026-06-30 |
| GDT2501REV2 | 2035-23-SM | 2035-23-SMLF | 2025-12-31 | 2026-06-30 |
| GDT2501REV2 | 2038-80-SM-RP2 | 2038-80-SM-RP2LF | 2025-12-31 | 2026-06-30 |
| GDT2605 | 2036-35-SM-RPLF-S3 | 2036-35-SM-RPLF | 2026-09-30 | 2026-12-15 |
| GDT2605 | 2036-40-B9LF | None named | 2026-09-30 | 2026-12-15 |
| GDT2605 | 2037-60-BLF | 2035-60-BLF | 2026-09-30 | 2026-12-15 |
| GDT2605 | 1669-13-A | None named | 2026-09-30 | 2026-12-15 |
Sample rows are copied verbatim from the paid dataset file (the paid file carries the full series detail, dates and a source URL per record).
Full file: all 974 records from GDT2501REV2 + GDT2605, plus buyer notes and honesty notes. Clean Markdown, compiled 2026-10-22.
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Facts compiled from Bourns, Inc.'s published Product Obsolescence Memos; not affiliated with or endorsed by Bourns. Trademarks belong to their owners. Verify the current status of any specific part against the original memo before committing a design or a purchase order.