| Standard ID | SJ 1227-1977 (SJ1227-1977) |
| Description (Translated English) | Detail specification for germanium detector diodes, Type 2AP1~2AP8, 2AP21 and 2AP27 |
| Sector / Industry | Electronics Industry Standard |
| Classification of Chinese Standard | L41 |
| Word Count Estimation | 4,412 |
| Date of Implementation | 1978/6/1 |
| Regulation (derived from) | Industry-Science (2010) No. 77 |