LM103H-3.0/883

Overview

The LM103H-3.0/883 is a precision micropower voltage reference integrated circuit manufactured by Rochester Electronics, LLC. It is designed to provide a stable 3.0V output voltage with high accuracy and low temperature drift. The device utilizes bandgap reference technology to maintain performance across varying environmental conditions. It features a hermetically sealed ceramic package compliant with MIL-STD-883 standards, ensuring reliability for harsh environments. The component operates with minimal quiescent current, making it suitable for battery-powered applications where power efficiency is critical.

Feature Summary

• Provides a precise 3.0V reference voltage output
• Hermetically sealed construction for environmental protection
• Low temperature coefficient for stability
• Micropower operation for energy efficiency

Applications

• Precision measurement systems
• Data acquisition circuits
• Battery-powered instrumentation
• Military and aerospace electronics

Procurement Notes

Verify the specific revision level and lot traceability when procuring this component, as Rochester Electronics specializes in lifecycle management of obsolete parts. Confirm that the packaging meets the required MIL-STD-883 specifications for your application environment. Ensure compatibility with existing board layouts due to potential variations in lead finish or marking compared to original manufacturer releases.

Selection Notes

Select this component when a stable 3.0V reference is required in space-constrained or high-reliability designs. Consider its micropower characteristics for applications sensitive to standby current consumption. Evaluate the thermal performance requirements against the package's dissipation capabilities. Verify that the input voltage range supports the system's supply rails while maintaining regulation.

Part Context

Rochester Electronics, LLC acts as an authorized independent source for discontinued and hard-to-find electronic components. They acquire inventory from various sources to support long-term production needs. The LM103H-3.0/883 falls under their portfolio of analog and mixed-signal devices, providing continuity for legacy military and industrial systems that require certified replacement parts.

Replacement Considerations

Check pinout compatibility and electrical parameters against the original design specifications. Verify that the thermal resistance and package dimensions fit the existing footprint. Ensure that the reference voltage tolerance and noise characteristics meet the system's precision requirements.