LM431BIM3X vs LM431AIM3

This in-depth comparison of the LM431BIM3X and LM431AIM3 provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

LM431BIM3X

Texas Instruments

Lifecycle: Active
Stock: 3255 PCS
Package: SOT-23-3
Series: PMIC - Voltage Reference

+BOM RFQ

Part B

LM431AIM3

Texas Instruments

Lifecycle: Active
Stock: 5631 PCS
Package: SOT-23-3
Series: PMIC - Voltage Reference

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	LM431BIM3X	LM431AIM3
Part Status	Not For New Designs	Not For New Designs
Reference Type	Shunt	Shunt
Output Type	Adjustable	Adjustable
Voltage - Output (Min/Fixed)	2.495V	2.495V
Voltage - Output (Max)	37 V	37 V
Current - Output	100 mA	100 mA
Tolerance	±1%	±2.2%
Temperature Coefficient	50ppm/°C Typical	50ppm/°C Typical
Current - Cathode	1 mA	1 mA
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Surface Mount

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