LM185BXH-2.5

Description：IC VREF SHUNT 1.5% TO2
Series：-
Mfr：Texas Instruments
Package：Box

SKU:0927f37a267c Category: Voltage Reference Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT 1.5% TO2
Series：-
Mfr：Texas Instruments
Package：Box
Output Type：Fixed
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：-
Current - Output：20 mA
Operating Temperature：-55°C ~ 125°C (TA)
Mounting Type：Through Hole
Package / Case：TO-46-2 Metal Can
Supplier Device Package：TO-2
Grade：-
Qualification：-

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LM185BXH-2.5

Overview

The LM185BXH-2.5 is a micro-power two-terminal bandgap voltage reference diode manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy tolerance of ±1.5%. The device operates within a temperature range of -55°C to +125°C and features a maximum temperature coefficient of ±150 ppm/°C. It supports a maximum shunt current of 20 mA and utilizes a TO-46-2 metal can package for through-hole mounting.

Feature Summary

Fixed 2.5 V precision output via on-chip trimming
Wide operating temperature range suitable for harsh environments
Low dynamic impedance for stable regulation
Robust metal can packaging for high reliability

Applications

Precision analog measurement systems
High-reliability industrial instrumentation
Military and aerospace electronic circuits
Temperature compensation networks

Procurement Notes

Verify the specific suffix 'BH' against official datasheets, as standard listings often use 'B'. Confirm RoHS compliance status, as older TO-46 variants may contain lead. Ensure the supplier provides traceable documentation for military-grade specifications if required for your application.

Selection Notes

Select this component when a fixed 2.5 V reference is needed in extreme temperature conditions. The TO-46 package offers superior thermal and mechanical stability compared to plastic packages. Consider the ±1.5% tolerance for applications requiring moderate precision without external calibration.

Part Context

This part belongs to the LM185 series of micro-power voltage references. It shares core bandgap technology with the LM285 and LM385 families but is distinguished by its extended temperature range (-55°C to +125°C) and hermetic metal can construction, targeting high-reliability sectors.

Replacement Considerations

LM185H-2.5: Similar performance but verify package compatibility. LM285BXH-2.5: Lower temperature range (-40°C to +85°C), not suitable for extreme cold. LM385BXH-2.5: Commercial grade (0°C to +70°C), insufficient for wide temp applications.

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Delivery time

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.