Named simply 1N821, this 34.4 KB PDF follows JEDEC 1N diode numbering and is most likely a single-part datasheet, not a circuit diagram, even though it sits in the…

Covering the range 1N821 to 1N829, this 41.9 KB PDF is a series datasheet for a family of JEDEC 1N diodes, despite being indexed as a schematic.