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Microchip Technology LM4040CYM341TR Voltage Reference

The LM4040 series are precision micropower shunt voltage references housed in a compact SOT-23 package. Available in fixed voltages of 2.500V, 4.096V, and 5.000V, as well as an adjustable version, they suit space-constrained applications like energy management, data acquisition, and automotive electronics. Boasting ultra-low operating current from 60 nA, low temperature drift, and no output capacitor needed, these references deliver stable, accurate voltage regulation across a wide temperature range of -40°C to +85°C, ensuring reliable performance in sensitive industrial and instrumentation systems.

Authorized Distributors
Source:Newark
Part No:LM4040CYM3-4.1-TR
Stock:1194
Inv Date:06-03-2026
Price: Unit price: $0.402
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Source:DigiKey
Part No:LM4040CYM3-4.1-TR
Stock:1839
Inv Date:06-03-2026
Price: Unit price: $0.31
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Part No:LM4040CYM3-4.1-TR
Stock:15000
Inv Date:06-03-2026
Price: Unit price: $0.3054
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Part No:LM4040CYM3-4.1-TR
Stock:15000
Inv Date:06-03-2026
Price: Unit price: $0.3054
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Part No:LM4040CYM3-4.1-TR
Stock:3000
Inv Date:06-03-2026
Price: Unit price: $0.175
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Part No:LM4040CYM3-4.1-TR
Stock:75
Inv Date:06-04-2026
Price: N/A
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Microchip Technology LM4040CYM341TR Voltage Reference Specifications:

  • Package: 3-pin SOT-23 surface-mount
  • Fixed voltage options: 1.225V, 2.500V, 4.096V, 5.000V
  • Adjustable version: 1.24V to 10V
  • Reverse-Breakdown Voltage Tolerance: ±14 mV to ±58 mV depending on grade
  • Maximum Operating Current: 15 mA (LM4040), 12 mA (LM4041)
  • Operating Current Range: 60 nA to 74 nA minimum operating
  • Temperature Range: -40°C to +85°C
  • Thermal Resistance: 320°C/W typical in SOT-23
  • Low dynamic impedance and temperature drift
  • No output capacitor required, tolerant of capacitive loads
  • Available in tape and reel packaging (3000 units)
  • Applications include battery-powered devices, instrumentation, process control, automotive electronics, and energy management
  • Designed for space-critical applications with high stability and low power consumption

Buy the Microchip LM4040 – Reliable Voltage Reference for Industrial Applications

Experience dependable voltage regulation with the Microchip LM4040 series, ideal for tightly space-constrained environments like instrumentation and automotive electronics. Featuring ultra-low quiescent current, no output capacitor needed, and wide temperature stability, these references are perfect for energy management, data acquisition, and process control systems. Available in fixed and adjustable versions in compact SOT-23 packages, they guarantee high accuracy and durability across -40°C to +85°C, ensuring reliable performance in demanding industrial applications.

Order your Microchip LM4040 series voltage reference today and ensure precise, stable voltage regulation for your industrial, automotive, and instrumentation projects.

Frequently Asked Questions

Where can I buy Microchip Technology LM4040CYM341TR?

You can click on the BUY or RFQ button to purchase LM4040CYM341TR from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part LM4040CYM341TR?

You can download the LM4040CYM341TR datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of LM4040CYM341TR?

Microchip Technology

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