The LM399H is a precision reference voltage source designed to meet the most demanding performance requirements in precision instrumentation and measurement applications. This integrated circuit offers exceptional stability and accuracy with low temperature coefficient, ensuring reliable and consistent performance over time and temperature variations. With its ability to deliver a stable and precise voltage reference, the LM399H is an ideal choice for use in precision operational amplifiers, data converters, and other precision analog circuits. Its low noise and high initial accuracy make it well-suited for applications such as industrial process control, medical equipment, and precision testing equipment. The LM399H is available in a hermetically sealed TO-46 package, making it suitable for use in harsh environments and extreme operating conditions. With its proven track record of performance and reliability, the LM399H is the go-to choice for designers looking for a precision reference voltage source for their critical applications.