| Компонент | Описание | Производитель | |
| AD421BN | Loop-Powered 4 mA to 20 mA DAC |
Analog Devices |
|
| AD421BR | Loop-Powered 4 mA to 20 mA DAC |
Analog Devices |
|
| AD421BRRL | Loop-Powered 4 mA to 20 mA DAC |
Analog Devices |
|
| R1173D421B | Super low on resistance/Low voltage LDO |
RICOH electronics devices division |
|
| R3111D421B | LOW VOLTAGE DETECTOR |
RICOH electronics devices division |
|
| YTD421B | 5.0V; IDR: ISDN driver/receiver LSI for the ISDN BRI S/T interface |
YAMAHA CORPORATION |
|
| YTD421B-E | ISDN driver/receiver |
YAMAHA CORPORATION |