On Semiconductor Negative Fixed Voltage Linear Regulators – On Semiconductor MC79L05ACPG, The On Semiconductor MC79L05ACPG -5V fixed voltage linear regulators are very simple devices to use in low current (up to 100mA) applications since no external components are required. They feature short circuit protection and thermal overload protection in a TO92 case to suit your application. On Semi MC79L05ACPG Linear Voltage Regulator -5V 100mA Fixed Negative TO92