We ran an audio production business for many, many years and were involved in all areas of audio electronics.
Over the years we have collected a large range of interesting electronic equipment and now we are working through some boxes of manufacturing components that were left over when I closed the business upon retirement.
NEW Old Stock
POWER TRENDS
78SR105VC
Fully integrated (including inductor) switching positive voltage regulator
Input: 7V ~ 30V
Ouput: 5V
Maximum current: 1.5A
Full datasheets are readily available online
Highly efficient (85% +)
Vertical PCB mount (VC)
Device ID markings
POWER TRENDS
(Power Trends stylised logo)
78SR105VC
9840 R015
Highly efficient, generating far less heat (much higher efficiency than the 78xx series 3 terminal regulators), complete switching regulator system
NEW Old Stock
Always stored in the manufacturer supplied tubing.