Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp. The part HA17431VLP is manufactured by HITACHI. It is a voltage regulator IC with the following specifications:  

- **Type**: Programmable Shunt Regulator  
- **Package**: TO-92  
- **Reference Voltage**: 2.5V (typical)  
- **Operating Temperature Range**: -40°C to +85°C  
- **Output Current**: 1mA to 100mA  
- **Tolerance**: ±1% (for selected grades)  
- **Applications**: Voltage regulation, switching power supplies, and precision references  

This information is based on HITACHI's datasheet for the HA17431VLP.