LM4041AIM3-1.2/NOPBIn StockTexas Instruments
LM4041AIM3-1.2/NOPB is a precision micropower shunt voltage reference with 1.225V nominal output and ±0.5% initial accuracy in a compact SOT-23 package. It features ultra-low supply current for battery-powered designs. From $0.756, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM4041AIM3-1.2/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7560(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.225V precision shunt voltage reference with ±0.5% initial accuracy (1.2158V–1.2342V output range)
- Micropower operation with ultra-low quiescent current, ideal for battery-powered and energy-sensitive designs
- Compact SOT-23 3-pin package enabling space-efficient PCB layouts
- Two-terminal operation simplifies circuit design and reduces component count
- Wide operating temperature range suitable for industrial applications
Applications
The LM4041AIM3-1.2/NOPB is widely used as a precision voltage reference in portable and battery-powered instruments, where its micropower consumption extends battery life. It serves as a stable bias source in analog-to-digital converters, operational amplifier circuits, and sensor signal conditioning systems. Its compact SOT-23 footprint and two-terminal simplicity also make it a popular choice in industrial measurement equipment and low-power IoT sensor nodes.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Voltage-Max | 1.2342V |
| Output Voltage-Min | 1.2158V |
| Output Voltage-Nom | 1.225V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 100ppm/°C |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.1% |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China, Malaysia, Philippines, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage of the LM4041AIM3-1.2/NOPB?
The LM4041AIM3-1.2/NOPB has a nominal output voltage of 1.225V, with a minimum of 1.2158V and a maximum of 1.2342V, corresponding to an initial accuracy of ±0.5%. This tight tolerance makes it suitable for precision analog reference applications.
What are the typical applications for the LM4041AIM3-1.2/NOPB?
This device is commonly used as a voltage reference in ADC/DAC circuits, portable instrumentation, sensor signal conditioning, and low-power IoT devices. Its micropower consumption and compact SOT-23 package make it ideal for battery-operated and space-constrained designs.
What package does the LM4041AIM3-1.2/NOPB come in, and how many pins does it have?
The LM4041AIM3-1.2/NOPB is available in a SOT-23 3-pin (R-PDSO-G3) package. This small surface-mount package is ideal for compact PCB designs and is compatible with standard pick-and-place assembly processes.
Is the LM4041AIM3-1.2/NOPB RoHS compliant?
Yes, the LM4041AIM3-1.2/NOPB is RoHS compliant and lead-free, as indicated by its NOPB suffix (No Lead, Pb-free) and JESD-609 e4 code. It meets modern environmental regulations for electronics manufacturing.
What is a shunt voltage reference and how does LM4041AIM3-1.2/NOPB work?
A shunt voltage reference operates like a precision Zener diode connected in shunt (parallel) with the load, maintaining a stable output voltage across its terminals regardless of current variations. The LM4041AIM3-1.2/NOPB holds 1.225V with tight accuracy and requires only an external current-limiting resistor, simplifying circuit design with just two terminals.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.4000 | $1.40 |
| 25+ | $1.3341 | $33.35 |
| 50+ | $1.3262 | $66.31 |
| 100+ | $1.1145 | $111.45 |
| 108+ | $0.8438 | $91.13 |
| 180+ | $0.7560 | $136.08 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”