10PCS LM4040A SOT-23 Voltage Reference IC – 2.5V 3.0V 4.1V 5.0V
10PCS LM4040A SOT-23 Voltage Reference IC – 2.5V 3.0V 4.1V 5.0V
LM4040 Precision Voltage Reference – 10-Pack SOT-23
Get reliable, stable voltage reference performance with this 10-piece pack of LM4040A series precision shunt voltage reference ICs. Available in popular voltage grades — 2.0V, 2.5V, 3.0V, 4.1V, and 5.0V — these compact SOT-23 package components are ideal for engineers, hobbyists, and electronics technicians working on precision analog circuits, data acquisition systems, battery-powered devices, and more.
The LM4040 is a proven, industry-standard shunt voltage reference offering tight voltage tolerance, low temperature coefficient, and low operating current. Whether you're designing a precision ADC reference, a calibration circuit, or a portable instrument, these ICs deliver the stable reference voltage your design demands — all in an ultra-compact footprint.
Key Features
- Model: LM4040AIM3X / LM4040AIM3XI / LM4040A
- Package: SOT-23 (surface-mount, space-saving)
- Available Voltage Grades: 2.0V, 2.5V, 3.0V, 4.1V, 5.0V
- Quantity: 10 pieces per pack — great value for prototyping and production
- Type: Precision shunt voltage reference IC
- Low operating current — suitable for battery-powered and low-power designs
- Tight initial accuracy — minimizes the need for external trimming
- Wide operating temperature range — reliable across industrial and commercial environments
- Industry-standard pinout — drop-in compatible with LM4040 footprints
Typical Applications
- ADC/DAC voltage reference circuits
- Precision analog signal conditioning
- Portable and battery-operated instruments
- Calibration and measurement equipment
- Microcontroller-based sensor interfaces
- Power management and regulation circuits
What's in the Box?
- 10 × LM4040A SOT-23 Voltage Reference ICs (your selected voltage grade)
Made in Mainland China.
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Frequently Asked Questions
Q: What voltage grades are available for the LM4040A SOT-23 voltage reference ICs?
A: These LM4040AIM3X ICs are available in 2.0V, 2.5V, 3.0V, 4.1V, and 5.0V precision shunt voltage reference grades. Please select your required voltage grade at the time of purchase. Each pack contains 10 pieces of your chosen grade.
Q: Are these LM4040 ICs compatible with standard LM4040 PCB footprints?
A: Yes. The LM4040AIM3X uses the standard industry SOT-23 package with the same pinout as common LM4040 series voltage reference ICs, making them fully compatible with existing LM4040 PCB layouts and footprints.
Q: Are these suitable for low-power or battery-operated circuit designs?
A: Absolutely. The LM4040A series is specifically designed with a low operating current, making it an excellent choice for battery-powered devices, portable instruments, and any application where minimizing quiescent current consumption is important.
Q: How many ICs are included in one pack?
A: Each pack contains 10 pieces of the LM4040A SOT-23 voltage reference IC in your selected voltage grade — perfect for prototyping, small production runs, or keeping a stock of spares on hand.