The 1N5230BTR is a single Diode Zener manufactured by ON Semiconductor. It has a voltage of 4.7V and a tolerance of ±5%. It is rated to a maximum power of 500mW and features a 2-Pin DO-35 (T/R) package. It is a general-purpose Zener Diode that can be used in applications where low leakage and low noise are critical. The device features low noise, low leakage current, and high reverse surge current capability. Other features of the device include a wide operating temperature range of -65°C to +175°C and an industry standard DO-35 package. This device is ideal for protection circuits, voltage references, reverse polarity protection, and voltage multiplication applications.