REF3125AIDBZRG4 Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock

Name: REF3125AIDBZRG4
Brand: Texas Instruments
SKU: REF3125AIDBZRG4
Availability: InStock

The REF3125AIDBZRG4 is a precision 2.5 V series voltage reference from Texas Instruments with a low temperature coefficient of 20 ppm/°C and 100 µA maximum quiescent current. It supports an input voltage of 2.55 V to 5.5 V and delivers a stable, adjustable output from 2.495 V to 2.505 V in a compact SOT-23-3 package.

OBSOLETEIntegrated CircuitVerified May 2026

Package / Visual Reference

REF3125AIDBZRG4SOT23 (3-Pin)

Quick Facts

Manufacturer: Texas Instruments
Package: SOT23 (3-Pin)
Pin Count: 3
Lifecycle: OBSOLETE
Datasheet: REF3125AIDBZRG4 Datasheet PDF
Category: Integrated Circuit
Price: From $0.3057(MOQ 610)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of REF3125AIDBZRG4?

Low temperature coefficient of 20 ppm/°C ensuring precise 2.5 V output across temperature
Ultra-low quiescent current of 100 µA maximum for power-efficient circuit designs
Input voltage range of 2.55 V to 5.5 V supporting 3.3 V and 5 V system designs
Adjustable output trim range of 2.495 V to 2.505 V for fine calibration
3-pin SOT-23 package providing minimal PCB footprint for compact applications

What is REF3125AIDBZRG4 used for?

The REF3125AIDBZRG4 is used as a precision reference in data acquisition systems, portable instrumentation, and battery-powered devices that require a stable and accurate 2.5 V voltage reference. Its low quiescent current makes it an excellent choice for handheld measurement equipment, medical devices, and IoT sensor nodes where power budget is critical.

What are the specifications of REF3125AIDBZRG4?

YTEOL	0
Additional Feature	OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 2.505V
Analog IC - Other Type	THREE TERMINAL VOLTAGE REFERENCE
Input Voltage-Max	5.5V
Input Voltage-Min	2.55V
JESD-30 Code	R-PDSO-G3
JESD-609 Code	e4
Number of Functions	1
Number of Outputs	1
Output Current-Max	0.01A
Output Voltage-Max	2.505V
Output Voltage-Min	2.495V
Output Voltage-Nom	2.5V
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TO-236
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	5.5V
Supply Voltage-Min (Vsup)	2.55V
Supply Voltage-Nom (Vsup)	5V
Surface Mount	YES
Technology	CMOS
Temp Coef of Voltage-Max	20ppm/°C
Temperature Grade	AUTOMOTIVE
Terminal Finish	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Form	GULL WING
Terminal Pitch	0.95mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Trim/Adjustable Output	NO
Voltage Tolerance-Max	0.2%
Package	SOT23 (3-Pin)

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.01

Where can I find the REF3125AIDBZRG4 datasheet?

REF3125AIDBZRG4 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for REF3125AIDBZRG4?

Compatible alternatives and drop-in replacements for REF3125AIDBZRG4:

REF3125AQDBZRQ1Texas Instruments Three Terminal

Voltage Reference, 1 Output, 2.5V, CMOS, PDSO3

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the output voltage of the REF3125AIDBZRG4?

The REF3125AIDBZRG4 provides a nominal 2.5 V output voltage, adjustable within the range of 2.495 V to 2.505 V, with a temperature coefficient of 20 ppm/°C for high-precision reference applications.

What is the quiescent current consumption of the REF3125AIDBZRG4?

The REF3125AIDBZRG4 draws a maximum of 100 µA quiescent current, making it suitable for low-power and battery-powered designs where minimizing standby current is important.

What package is the REF3125AIDBZRG4 available in?

The REF3125AIDBZRG4 is packaged in a 3-pin SOT-23 surface-mount package, offering an extremely compact footprint of 2.92 mm x 1.3 mm for space-constrained PCB designs.

Is the REF3125AIDBZRG4 suitable for use in 3.3 V systems?

Yes, the REF3125AIDBZRG4 operates from a minimum input voltage of 2.55 V, allowing it to work directly from a 3.3 V supply rail while maintaining a stable 2.5 V reference output with just 50 mV of headroom.

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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.

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AvailabilityIn Stock

Reference Price (USD)

From $0.3057

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
610+	$0.3305	$201.61
790+	$0.3181	$251.30
985+	$0.3057	$301.11

pcs

Unit price: $0.3305 · Total: $201.61

In Stock · 24h Response · Worldwide Shipping

Direct Contact

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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REF3125AIDBZRG4 Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock

What are the key features of REF3125AIDBZRG4?

What is REF3125AIDBZRG4 used for?

What are the specifications of REF3125AIDBZRG4?

Compliance & Regulatory

Where can I find the REF3125AIDBZRG4 datasheet?

What are equivalent replacements for REF3125AIDBZRG4?

Frequently Asked Questions

What is the output voltage of the REF3125AIDBZRG4?

What is the quiescent current consumption of the REF3125AIDBZRG4?

What package is the REF3125AIDBZRG4 available in?

Is the REF3125AIDBZRG4 suitable for use in 3.3 V systems?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

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