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Texas Instruments LM431BIM3/NOPB Voltage Reference

IC VREF SHUNT ADJ 1% SOT23-3

30,000 ActiveTexas InstrumentsTO-236-3, SC-59, SOT-23-3$0.26RoHS
LM431BIM3/NOPB TO-236-3, SC-59, SOT-23-3 package illustration

Same model may have multiple batches, images only for reference.

LM431BIM3/NOPB
Manufacturer
Part Number (MPN)
LM431BIM3/NOPB
Detailed Description
IC VREF SHUNT ADJ 1% SOT23-3
Package
TO-236-3, SC-59, SOT-23-3
Key Features
Package / Case: TO-236-3, SC-59, SOT-23-3; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PDF LM431BIM3/NOPB Datasheet
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Technical Specifications

Texas Instruments LM431BIM3/NOPB Voltage Reference technical specifications.

General

RoHS
Yes
Package / Case
TO-236-3, SC-59, SOT-23-3
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Lifecycle Status
Active
Tolerance
±1%
Temperature Coefficient
50ppm/°C Typical
Output Type
Adjustable
Reference Type
Shunt
Output Current
100 mA

Alternate Parts Comparison (LM431BIM3/NOPB vs LM4050CIM3X-2.0/NOPB vs LM4041C12IDBZTG4 vs LM4040QEEM3-2.5/NOPB)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / CaseTO-236-3, SC-59, SOT-23-3TO-236-3, SC-59, SOT-23-3TO-236-3, SC-59, SOT-23-3TO-236-3, SC-59, SOT-23-3
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Tolerance±1%±0.5%±0.5%±2%
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 125°C (TA)
RoHSYesYesYesYes
Lifecycle StatusActiveActiveObsoleteActive
Current Cathode1 mA65 µA80 µA73 µA
Output Current100 mA15 mA12 mA15 mA
Output TypeAdjustableFixedFixedFixed
Output Voltage2.495V2.048V1.225V2.5V
PackageSOT23-3TO-236-3, SC-59, SOT-23-3SOT23-3SOT23-3
Reference TypeShuntShuntShuntShunt
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

NCP432BISNT1GNCP432BISNT1Gonsemi
Directonsemi
Pin YesPkg YesElec Yes
Shunt Voltage Reference IC Adjustable 2.5V 36 VV ±0.5% 40 µA SOT-23-3 (TO-236)

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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.