LM136-2.5 MDS

Overview

The LM136-2.5 MDS is a precision 2.5V shunt regulator diode manufactured by Texas Instruments, utilizing a metal-dual-flat package (MDS) configuration. This integrated circuit functions as a voltage reference with low dynamic impedance and a wide operating current range, simplifying biasing requirements compared to standard Zener diodes. The device provides a fixed reference voltage of approximately 2.49V, ensuring stable performance across specified temperature ranges. It is designed for applications requiring reliable voltage regulation in compact form factors.

Feature Summary

• Low temperature coefficient for stable voltage output
• Wide operating current range from 400 μA to 10 mA
• Low dynamic impedance of 0.2Ω
• Simplified biasing due to low impedance characteristics

Applications

• Precision voltage reference circuits
• Shunt regulator designs
• Analog-to-digital converter reference sources
• Power supply monitoring systems

Procurement Notes

Verify the specific MDS package variant against official Texas Instruments documentation to ensure compatibility with thermal and mechanical constraints. Confirm that the ordering suffix matches the required military or industrial grade specifications if applicable. Cross-reference the datasheet revision to validate electrical parameters before integration into production designs.

Selection Notes

Select this component when a compact, high-precision 2.5V reference is required with minimal external biasing complexity. The MDS package offers a distinct footprint advantage over traditional axial or DO-style packages. Ensure the operating current range aligns with the system's power budget and that the temperature stability meets the application's accuracy requirements.

Part Context

The LM136 series represents a family of monolithic IC voltage references developed by Texas Instruments. These devices are engineered to replace discrete Zener diodes, offering superior stability and lower impedance. The LM136-2.5 specifically targets the 2.5V reference market, providing a standardized voltage level for various analog and digital interface applications within the semiconductor portfolio.

Replacement Considerations

LM236-2.5 and LM336-2.5 are electrically compatible counterparts within the same family, differing primarily in temperature rating and package options. Verify pinout and thermal performance similarities before substitution. No direct cross-manufacturer equivalents are confirmed in public documentation.