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
LM431CCZ onsemi

LM431CCZ

IC VREF SHUNT ADJ 0.5% TO92-3

onsemi

4,778
RFQ
LM431CCZ Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Last Time Buy Shunt Adjustable 2.495V 36 V 100 mA ±0.5% 50ppm/°C Typical - - - - 1 mA -25°C ~ 85°C (TA) - - Through Hole TO-92-3
KA431SMF2TF onsemi

KA431SMF2TF

IC VREF SHUNT 36V 2% SOT23F-3

onsemi

2,900
RFQ
KA431SMF2TF Datasheet

Datasheet

SOT-23-3 Flat Leads - Tape & Reel (TR) Last Time Buy Shunt Adjustable 2.5V 36 V 100 mA ±2% 50ppm/°C Typical - - - - 1 mA -25°C ~ 85°C (TA) - - Surface Mount SOT-23F-3
UPC1943T-E2-AZ Renesas Electronics Corporation

UPC1943T-E2-AZ

IC VREF SHUNT 1.26V TO243AA

Renesas Electronics Corporation

3,000
RFQ

-

TO-243AA - Tape & Reel (TR) Discontinued at Digi-Key Shunt Adjustable 1.26V 24 V 30 mA ±2.4% - - - - - 1 mA -30°C ~ 85°C (TA) - - Surface Mount SOT-89
UPC1943T-E1-AZ Renesas Electronics Corporation

UPC1943T-E1-AZ

IC VREF SHUNT 1.26V TO243AA

Renesas Electronics Corporation

3,000
RFQ

-

TO-243AA - Tape & Reel (TR) Discontinued at Digi-Key Shunt Adjustable 1.26V 24 V 30 mA ±2.4% - - - - - 1 mA -30°C ~ 85°C (TA) - - Surface Mount SOT-89
NCP431AIDR2G onsemi

NCP431AIDR2G

IC VREF SHUNT ADJ 1% 8SOIC

onsemi

1,955
RFQ
NCP431AIDR2G Datasheet

Datasheet

8-SOIC (0.154", 3.90mm Width) - Tape & Reel (TR) Obsolete Shunt Adjustable 2.5V 36 V 40 µA ±1% 50ppm/°C Typical - - - - 100 mA -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TLV431AILP Texas Instruments

TLV431AILP

IC VREF SHUNT ADJ 1% TO92-3

Texas Instruments

3,300
RFQ
TLV431AILP Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Obsolete Shunt Adjustable 1.24V 6 V 15 mA ±1% - - - - - 80 µA -40°C ~ 85°C (TA) - - Through Hole TO-92-3
TLV431BCLP Texas Instruments

TLV431BCLP

IC VREF SHUNT ADJ 0.5% TO92-3

Texas Instruments

1,634
RFQ
TLV431BCLP Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Obsolete Shunt Adjustable 1.24V 6 V 15 mA ±0.5% - - - - - 100 µA 0°C ~ 70°C (TA) - - Through Hole TO-92-3
TLV431ACLP Texas Instruments

TLV431ACLP

IC VREF SHUNT ADJ 1% TO92-3

Texas Instruments

1,272
RFQ
TLV431ACLP Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Obsolete Shunt Adjustable 1.24V 6 V 15 mA ±1% - - - - - 80 µA 0°C ~ 70°C (TA) - - Through Hole TO-92-3
LM431AIZ onsemi

LM431AIZ

IC VREF SHUNT ADJ 2% TO92-3

onsemi

7,186
RFQ
LM431AIZ Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Last Time Buy Shunt Adjustable 2.5V 36 V 100 mA ±2% 50ppm/°C Typical - - - - 1 mA -40°C ~ 85°C (TA) - - Through Hole TO-92-3
MAX6104EUR-T Analog Devices Inc./Maxim Integrated

MAX6104EUR-T

IC VREF SERIES 0.4% SOT23-3

Analog Devices Inc./Maxim Integrated

4,456
RFQ
MAX6104EUR-T Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Series Fixed 4.096V - 5 mA ±0.4% 75ppm/°C 50µVp-p 50µVrms 4.296V ~ 12.6V 125µA - -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM431ACZ onsemi

LM431ACZ

IC VREF SHUNT ADJ 2% TO92-3

onsemi

4,087
RFQ
LM431ACZ Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Last Time Buy Shunt Adjustable 2.5V 36 V 100 mA ±2% 50ppm/°C Typical - - - - 1 mA -25°C ~ 85°C (TA) - - Through Hole TO-92-3
LM431BCZXA onsemi

LM431BCZXA

IC VREF SHUNT ADJ 1% TO92-3

onsemi

3,589
RFQ
LM431BCZXA Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) Formed Leads - Cut Tape (CT) Last Time Buy Shunt Adjustable 2.495V 36 V 100 mA ±1% 50ppm/°C Typical - - - - 1 mA -25°C ~ 85°C (TA) - - Through Hole TO-92-3
TL431BVPG onsemi

TL431BVPG

IC VREF SHUNT ADJ 0.4% 8DIP

onsemi

1,467
RFQ
TL431BVPG Datasheet

Datasheet

8-DIP (0.300", 7.62mm) - Tube Obsolete Shunt Adjustable 2.495V 36 V 100 mA ±0.4% 50ppm/°C Typical - - - - 1 mA -40°C ~ 125°C (TA) - - Through Hole 8-PDIP
LM4050CIM3X-4.1 National Semiconductor

LM4050CIM3X-4.1

IC VREF SHUNT 0.5% SOT23-3

National Semiconductor

3,000
RFQ
LM4050CIM3X-4.1 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Bulk Active Shunt Fixed 4.096V - 15 mA ±0.5% 50ppm/°C - 93µVrms - - 73 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4050CIM3X-5.0 National Semiconductor

LM4050CIM3X-5.0

IC VREF SHUNT 0.5% SOT23-3

National Semiconductor

2,358
RFQ
LM4050CIM3X-5.0 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Bulk Active Shunt Fixed 5V - 15 mA ±0.5% 50ppm/°C - 93µVrms - - 80 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4040CIM3X-2.5 Texas Instruments

LM4040CIM3X-2.5

LM4040-N 100-PPM/C PRECISION MIC

Texas Instruments

1,735
RFQ
LM4040CIM3X-2.5 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Bulk Active Shunt Fixed 2.5V - 15 mA ±0.5% 100ppm/°C - 35µVrms - - 65 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM385BZ-2.5 National Semiconductor

LM385BZ-2.5

IC VREF SHUNT 1.5% TO92-3

National Semiconductor

5,114
RFQ
LM385BZ-2.5 Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Active Shunt Fixed 2.5V - 20 mA ±1.5% 20ppm/°C Typical - 120µVrms - - 20 µA 0°C ~ 70°C (TA) - - Through Hole TO-92-3
LM431SCCM3X onsemi

LM431SCCM3X

IC VREF SHUNT ADJ 0.5% SOT23-3

onsemi

3,483
RFQ
LM431SCCM3X Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Last Time Buy Shunt Adjustable 2.495V 36 V 100 mA ±0.5% 50ppm/°C Typical - - - - 1 mA -25°C ~ 85°C (TA) - - Surface Mount SOT-23-3
FAN4050BIS325X Fairchild Semiconductor

FAN4050BIS325X

VOLTAGE REFERENCE

Fairchild Semiconductor

3,000
RFQ
FAN4050BIS325X Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Bulk Active Shunt Fixed 2.5V - 15 mA ±0.2% 50ppm/°C - 35µVrms - - 65 µA -40°C ~ 85°C (TA) - - Surface Mount SOT23-3 (TO-236)
TLV431BCLPE3 Texas Instruments

TLV431BCLPE3

IC VREF SHUNT PREC ADJ TO-92-3

Texas Instruments

2,000
RFQ
TLV431BCLPE3 Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Active Shunt Adjustable 1.24V 6 V 15 mA ±0.5% - - - - - 100 µA - - - Through Hole TO-92-3
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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.