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STMicroelectronics LM4040 Series

20 variants · STMicroelectronics

About the STMicroelectronics STMicroelectronics LM4040 Series series

The STMicroelectronics STMicroelectronics LM4040 Series series groups 20 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common current - output of 15 mA, current - supply of - and mounting type of Surface Mount. Variants differ by case, current - cathode and noise - 10Hz to 10kHz, so you can match the exact case your application requires using the selection guide below. All listed STMicroelectronics LM4040 Series part numbers are active and orderable.

Select a variant by

Case
5-TSSOP, SC-70-5, SOT-353 · SC-70, SOT-323 · TO-236-3, SC-59, SOT-23-3
Current - cathode
10 µA · 12 mA · 12 µA · 25 µA
Noise - 10Hz to 10kHz
95mVrms · 95µVrms
Operating temperature
-40°C ~ 125°C (TA) · -40°C~125°C
Package
Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Tolerance
±0.1% · ±0.2% · ±0.5%
Voltage - output (Min (Fixed))
2.048V · 2.5V · 3V · 4.096V · 5V

Variant comparison

ParameterLM4040AELT-2.5LM4040AELT-3.0LM4040BECT-2.5LM4040BECT-3.0LM4040BELT-4.1LM4040CECT-2.5
CaseTO-236-3, SC-59, SOT-23-3TO-236-3, SC-59, SOT-23-35-TSSOP, SC-70-5, SOT-3535-TSSOP, SC-70-5, SOT-353SC-70, SOT-3235-TSSOP, SC-70-5, SOT-353
Current - cathode12 µA25 µA10 µA25 µA10 µA12 µA
Noise - 10Hz to 10kHz95µVrms95µVrms95mVrms95µVrms95mVrms95µVrms
Operating temperature-40°C ~ 125°C (TA)-40°C ~ 125°C (TA)-40°C~125°C-40°C ~ 125°C (TA)-40°C~125°C-40°C ~ 125°C (TA)
PackageTape & Reel (TR) Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR) Cut Tape (CT)
Tolerance±0.1%±0.1%±0.2%±0.2%±0.2%±0.5%
Voltage - output (Min (Fixed))2.5V3V2.5V3V4.096V2.5V

Shared specifications

Current - output
15 mA
Current - supply
-
Mounting type
Surface Mount
Noise - 0.1Hz to 10Hz
10µVp-p
Output type
Fixed
Reference type
Shunt
Temperature coefficient
70ppm/°C
Voltage - input
-

Request a quote on any STMicroelectronics LM4040 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the STMicroelectronics STMicroelectronics LM4040 Series variants differ?
STMicroelectronics LM4040 Series part numbers differ by case, current - cathode, noise - 10Hz to 10kHz and operating temperature. Use the selection guide above to pick by case.
How many STMicroelectronics STMicroelectronics LM4040 Series part numbers are listed?
20 STMicroelectronics STMicroelectronics LM4040 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for STMicroelectronics STMicroelectronics LM4040 Series?
Request a quote (RFQ) for any STMicroelectronics LM4040 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants