Voltage Reference

Manufacturer Package/Case Series Packaging Product Status Reference Type Output Type Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Tolerance Temperature Coefficient Noise - 0.1Hz to 10Hz Noise - 10Hz to 10kHz Voltage - Input Current - Supply Current - Cathode Operating Temperature Grade Qualification Mounting Type Supplier Device Package









































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Reference Type Output Type Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Tolerance Temperature Coefficient Noise - 0.1Hz to 10Hz Noise - 10Hz to 10kHz Voltage - Input Current - Supply Current - Cathode Operating Temperature Grade Qualification Mounting Type Supplier Device Package
LM4040C20QDBZTG4 Texas Instruments

LM4040C20QDBZTG4

IC VREF SHUNT 0.5% SOT23-3

Texas Instruments

3,324
RFQ
LM4040C20QDBZTG4 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Discontinued at Digi-Key Shunt Fixed 2.048V - 15 mA ±0.5% 100ppm/°C - 35µVrms - - 80 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4040C50QDBZTG4 Texas Instruments

LM4040C50QDBZTG4

IC VREF SHUNT 0.5% SOT23-3

Texas Instruments

2,624
RFQ
LM4040C50QDBZTG4 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Discontinued at Digi-Key Shunt Fixed 5V - 15 mA ±0.5% 100ppm/°C - 80µVrms - - 95 µA -40°C ~ 125°C (TA) - - Surface Mount SOT-23-3
TL1431AIZ STMicroelectronics

TL1431AIZ

IC VREF SHUNT ADJ 0.25% TO92-3

STMicroelectronics

2,151
RFQ
TL1431AIZ Datasheet

Datasheet

TO-226-2, TO-92-2 (TO-226AC) - Bulk Obsolete Shunt Adjustable 2.5V 36 V 100 mA ±0.25% 100ppm/°C - - - - 700 µA -40°C ~ 105°C (TA) - - Through Hole TO-92-3
LM4040D20QDBZTG4 Texas Instruments

LM4040D20QDBZTG4

IC VREF SHUNT 1% SOT23-3

Texas Instruments

1,882
RFQ
LM4040D20QDBZTG4 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Discontinued at Digi-Key Shunt Fixed 2.048V - 15 mA ±1% 150ppm/°C - 35µVrms - - 80 µA -40°C ~ 125°C (TA) - - Surface Mount SOT-23-3
LM4050CIM3-8.2/NOPB Texas Instruments

LM4050CIM3-8.2/NOPB

IC VREF SHUNT 0.5% SOT23-3

Texas Instruments

1,958
RFQ
LM4050CIM3-8.2/NOPB Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Fixed 8.192V - 15 mA ±0.5% 50ppm/°C - 150µVrms - - 95 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
SC431LISK-.5TRT Semtech Corporation

SC431LISK-.5TRT

IC VREF SHUNT ADJ 0.5% SOT23-3

Semtech Corporation

3,144
RFQ
SC431LISK-.5TRT Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Adjustable 1.24V 16 V 100 µA ±0.5% - - - - - 100 mA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4040DIM3X-4.1 Texas Instruments

LM4040DIM3X-4.1

IC VREF SHUNT 1% SOT23-3

Texas Instruments

4,846
RFQ

-

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Not For New Designs Shunt Fixed 4.096V - 15 mA ±1% 150ppm/°C - 80µVrms - - 78 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4041DIM3X-1.2 Texas Instruments

LM4041DIM3X-1.2

IC VREF SHUNT 1% SOT23-3

Texas Instruments

1,799
RFQ
LM4041DIM3X-1.2 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Fixed 1.225V - 12 mA ±1% 150ppm/°C - 20µVrms - - 70 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4128CMFX-1.8 Texas Instruments

LM4128CMFX-1.8

IC VREF SERIES 0.5% SOT23-5

Texas Instruments

1,455
RFQ
LM4128CMFX-1.8 Datasheet

Datasheet

SC-74A, SOT-753 - Tape & Reel (TR) Obsolete Series Fixed 1.8V - 20 mA ±0.5% 100ppm/°C 170µVp-p - 2.2V ~ 5.5V 100µA - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM4128CMFX-2.0 Texas Instruments

LM4128CMFX-2.0

IC VREF SERIES 0.5% SOT23-5

Texas Instruments

4,882
RFQ
LM4128CMFX-2.0 Datasheet

Datasheet

SC-74A, SOT-753 - Tape & Reel (TR) Obsolete Series Fixed 2.048V - 20 mA ±0.5% 100ppm/°C 190µVp-p - 2.448V ~ 5.5V 100µA - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM4128CMFX-2.5 Texas Instruments

LM4128CMFX-2.5

IC VREF SERIES 0.5% SOT23-5

Texas Instruments

3,044
RFQ
LM4128CMFX-2.5 Datasheet

Datasheet

SC-74A, SOT-753 - Tape & Reel (TR) Obsolete Series Fixed 2.5V - 20 mA ±0.5% 100ppm/°C 275µVp-p - 2.9V ~ 5.5V 100µA - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM4128CMFX-3.0 Texas Instruments

LM4128CMFX-3.0

IC VREF SERIES 0.5% SOT23-5

Texas Instruments

3,575
RFQ
LM4128CMFX-3.0 Datasheet

Datasheet

SC-74A, SOT-753 - Tape & Reel (TR) Obsolete Series Fixed 3V - 20 mA ±0.5% 100ppm/°C 285µVp-p - 3.4V ~ 5.5V 100µA - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM4128CMFX-3.3 Texas Instruments

LM4128CMFX-3.3

IC VREF SERIES 0.5% SOT23-5

Texas Instruments

3,745
RFQ
LM4128CMFX-3.3 Datasheet

Datasheet

SC-74A, SOT-753 - Tape & Reel (TR) Obsolete Series Fixed 3.3V - 20 mA ±0.5% 100ppm/°C 310µVp-p - 3.7V ~ 5.5V 100µA - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM4128CMFX-4.1 Texas Instruments

LM4128CMFX-4.1

IC VREF SERIES 0.5% SOT23-5

Texas Instruments

3,000
RFQ
LM4128CMFX-4.1 Datasheet

Datasheet

SC-74A, SOT-753 - Tape & Reel (TR) Obsolete Series Fixed 4.096V - 20 mA ±0.5% 100ppm/°C 350µVp-p - 4.496V ~ 5.5V 100µA - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
TL1431AID STMicroelectronics

TL1431AID

IC VREF SHUNT ADJ 0.25% 8SO

STMicroelectronics

2,764
RFQ
TL1431AID Datasheet

Datasheet

8-SOIC (0.154", 3.90mm Width) - Tube Obsolete Shunt Adjustable 2.5V 36 V 100 mA ±0.25% 100ppm/°C - - - - 700 µA -40°C ~ 105°C (TA) - - Surface Mount 8-SOIC
ISL21010DFH312Z-T Renesas Electronics Corporation

ISL21010DFH312Z-T

IC VREF SERIES 0.2% SOT23-3

Renesas Electronics Corporation

3,822
RFQ
ISL21010DFH312Z-T Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Active Series Fixed 1.25V - 25 mA ±0.2% 50ppm/°C 27µVp-p 17µVrms 2.2V ~ 5.5V 100µA - -40°C ~ 125°C (TA) - - Surface Mount SOT-23-3
LM4040DEM3-3.0 Texas Instruments

LM4040DEM3-3.0

IC VREF SHUNT 1% SOT23-3

Texas Instruments

1,820
RFQ
LM4040DEM3-3.0 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Fixed 3V - 15 mA ±1% 150ppm/°C - 35µVrms - - 75 µA -40°C ~ 125°C (TA) - - Surface Mount SOT-23-3
LM4040AIM3-3.0 Texas Instruments

LM4040AIM3-3.0

IC VREF SHUNT 0.1% SOT23-3

Texas Instruments

4,631
RFQ
LM4040AIM3-3.0 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Fixed 3V - 15 mA ±0.1% 100ppm/°C - 35µVrms - - 67 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4040AIM3X-2.0 Texas Instruments

LM4040AIM3X-2.0

IC VREF SHUNT 0.1% SOT23-3

Texas Instruments

4,699
RFQ
LM4040AIM3X-2.0 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Fixed 2.048V - 15 mA ±0.1% 100ppm/°C - 35µVrms - - 65 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
ZR2431G02TA Diodes Incorporated

ZR2431G02TA

IC VREF SHUNT PREC ADJ SOT-223

Diodes Incorporated

4,600
RFQ
ZR2431G02TA Datasheet

Datasheet

TO-261-4, TO-261AA - Digi-Reel® Obsolete - - - - - - - - - - - - - - - Surface Mount SOT-223-3
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Voltage Reference Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Voltage Reference components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Voltage Reference Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Voltage Reference FAQ

Can FPGAX source both active and end-of-life Voltage Reference components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Voltage Reference sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.