This part is a kind of semiconductor called 178M05.

Function of this product has HA178M05.

Manufacturers : Hitachi Semiconductor

Image and pinout :

Some of the text within the PDF file :

HA178M00 Series 3-terminal Fixed Voltage Regulators Features • • • • • • Output current less than 500 mA Various output voltages: 5, 6, 7, 8, 9, 12, 15, 18, 20, and 24 V No external compensation circuit required Built-in current control circuit protects elements from destruction by short circuit Builting chip junction temperature limiting circuit protects elements from thermal destruction Builting internal power dissipation limiting circuit protects transistors in output stage Ordering Information Type HA178M00PJ Series HA178M00P Series HA178M00 Series Application Automotive use Industrial use Commercial use Package TO - 220AB Output Voltage Accuracy Grade Type No. HA178M05 HA178M12 Grade None A B C Accuracy ±4 ±2 ±3 +2, –4 HA178M00 Series www.Data [ ... ]

178M05 PDF Datasheet Download