AC153K PNP Germanium transistor from the 70's. Package: NS257 aluminium or steel brick package (*) as used in many analogue synthesizers and guitar effects box 's of the period Status: NOS (New Old Stock) - Generic manufacture Tested components: YES (* note some variations have a fixing bolt through hole, some a slot) RoHS compliant: no https://elecena.pl/product/28736838/ac153k-germanium-pnp-transistor 2025-05-19 https://elecena.pl/product/28736838/ac153k-germanium-pnp-transistor 2026-05-08