LM4431M3-2.5/NOPBIn StockTexas Instruments

LM4431M3-2.5/NOPB is a micropower shunt voltage reference from Texas Instruments with a precise 2.5V output (2.45V–2.55V), low supply current, and SOT-23 package. Ideal for battery-powered devices, portable instruments, and precision analog circuits. From $0.4379 in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Apr 2026
Package / Visual Reference
LM4431M3-2.5/NOPBSOT23 (3-Pin)
Quick Facts
Manufacturer
Texas Instruments
Package
SOT23 (3-Pin)
Pin Count
3
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $0.4379(MOQ 1)
Temp Range
?°C to 70.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Precision 2.5V shunt voltage reference with tight ±2% output accuracy (2.45V–2.55V)
  • Micropower operation — minimal supply current for battery-powered and low-power applications
  • Compact SOT-23 (3-pin) package ideal for space-constrained PCB designs
  • Single function, single output design simplifies circuit integration
  • RoHS compliant (Pb-free, e3 JESD-609 code) for modern green electronics requirements

Applications

The LM4431M3-2.5/NOPB is widely used as a precision voltage reference in portable and battery-powered systems such as handheld instruments, IoT sensors, and wearable devices. Its tight 2.5V output tolerance makes it suitable for ADC/DAC reference inputs, comparator threshold setting, and precision analog signal conditioning. The compact SOT-23 footprint fits seamlessly into space-constrained designs in industrial control, medical electronics, and consumer portable equipment.

Specifications

Pbfree CodeYes
YTEOL15
Analog IC - Other TypeTWO TERMINAL VOLTAGE REFERENCE
JESD-30 CodeR-PDSO-G3
JESD-609 Codee3
Number of Functions1
Number of Outputs1
Output Voltage-Max2.55V
Output Voltage-Min2.45V
Output Voltage-Nom2.5V
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTO-236
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Surface MountYES
TechnologyBIPOLAR
Temp Coef of Voltage-Max30ppm/°C
Temperature GradeCOMMERCIAL
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch0.96mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Trim/Adjustable OutputNO
Voltage Tolerance-Max2%
PackageSOT23 (3-Pin)

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.90

Datasheet

LM4431M3-2.5/NOPB Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the output voltage of the LM4431M3-2.5/NOPB?

The LM4431M3-2.5/NOPB provides a nominal 2.5V shunt voltage reference output, with a specified range of 2.45V minimum to 2.55V maximum, ensuring ±2% accuracy suitable for precision analog circuit applications.

What package does the LM4431M3-2.5/NOPB come in?

This device is available in a SOT-23 3-pin (R-PDSO-G3) surface-mount package, making it ideal for compact, space-constrained PCB designs in portable and handheld electronics.

What are typical applications for the LM4431M3-2.5/NOPB?

Typical applications include ADC and DAC voltage references, comparator threshold circuits, battery-powered instrumentation, IoT sensor nodes, and precision analog signal conditioning in industrial and consumer electronics.

Is the LM4431M3-2.5/NOPB RoHS compliant?

Yes, the LM4431M3-2.5/NOPB is fully RoHS compliant — it carries a Pb-free code (Yes) and JESD-609 code e3, confirming it meets lead-free and halogen-aware environmental standards.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $0.4379
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$1.0509$1.05
80+$0.4904$39.23
409+$0.4379$179.10
pcs
Unit price: $1.0509 · Total: $1.05

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.

RP
Rajesh Patel
Procurement Manager, VoltEdge Energy, India