| nr | name | cat | description | manufacturer | 
| 205 | CLC205A | amp | opamp | CLC* | 
| 205 | MAX205 | xcvr | Complete, 5V-Powered, No External Capacitors, 5Channel RS-232 Transceiver | Maxim* | 
| 2050 | FB2050 | bus | All the functions you need to conform to Fieldbus standards in just about any instrument, in a single chip that has been incorporated into hundreds of instrument designs. www.smarresearch.com/id15.htm | SmarResearch | 
| 2050 | UAA2050 | rcvr | Low-power digital UHF paging receiver | Philips | 
| 2051 | ICD2051 | clock | dual Programmable Clock Generator, Data | Cypress* | 
| 20511 |  | video | High performance RAMDAC | AT&T | 
| 2052 | MB2052 | xcvr | dual octal registered transceiver | Philips | 
| 2052 | PEB2052-N | bus | PCM* Interface controller (PIC) (SMD) | Siemens | 
| 2052 | PEB2052-P | bus | PCM* Interface controller (PIC) | Siemens | 
| 2053 | ICD2053B | clock | Programmable Clock Generator, Data | Cypress* | 
| 2054 | PEB2054-N | bus | Extended PCM* Interface Controller-Small (EPIC-S) (SMD) | Siemens | 
| 2054 | PEF2054-N | bus | Extended PCM* Interface Controller-Small (EPIC-S) (SMD) | Siemens | 
| 2055 | PEB2055-N | bus | Extended PCM* Interface controller (EPIC-1) (SMD) | Siemens | 
| 2055 | PEB2055-P | bus | Extended PCM* Interface controller (EPIC-1) | Siemens | 
| 2055 | PEF2055-N | bus | Extended PCM* Interface controller (EPIC-1) (SMD) | Siemens | 
| 20550 | PEB20550-H | bus | Extended Line Card controller (ELIC) (SMD) | Siemens |