LM431SAIMFX
- Mfr.Part #
- LM431SAIMFX
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- SOT-23-3 Flat Leads
- Datasheet
- Download
- Description
- ADJUSTABLE/2.5 V, 2% TOLERANCE S
- Stock
- 6,700
- In Stock :
- 6,700
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- Voltage Reference
- ECCN Code :
- EAR99
- Output Voltage :
- 36V
- Mount :
- Surface Mount
- Weight :
- 48.8mg
- Lead Free :
- Lead Free
- Qualification Status :
- Not Qualified
- Operating Temperature :
- -40°C~85°C TA
- Max Output Voltage :
- 36V
- Number of Channels :
- 1
- Temperature Coefficient :
- 50ppm/°C Typical
- Number of Outputs :
- 1
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Tin (Sn)
- Height :
- 1mm
- Number of Pins :
- 3
- Current - Cathode :
- 1mA
- Max Output Current :
- 100mA
- Width :
- 1.7mm
- Min Input Voltage :
- 2.45V
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Max Supply Voltage :
- 36V
- Number of Functions :
- 1
- Packaging :
- Tape and Reel (TR)
- Reference Type :
- Shunt
- Max Supply Current :
- 10mA
- Temp Coef of Voltage-Max :
- 64 ppm/°C
- JESD-609 Code :
- e3
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Voltage - Output (Min/Fixed) :
- 2.5V
- Number of Terminations :
- 3
- Base Part Number :
- LM431
- Output Type :
- Adjustable
- Max Input Voltage :
- 2.55V
- Analog IC - Other Type :
- TWO TERMINAL VOLTAGE REFERENCE
- Length :
- 3mm
- Factory Lead Time :
- 6 Weeks
- Pbfree Code :
- yes
- Package / Case :
- SOT-23-3 Flat Leads
- Terminal Position :
- Dual
- Published :
- 2013
- Terminal Pitch :
- 0.95mm
- Trim/Adjustable Output :
- yes
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Tolerance :
- ±2%
- RoHS Status :
- ROHS3 Compliant
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Datasheets
- LM431SAIMFX
LM431SAIMFX Documents

Voltage Reference Fairchild Semiconductor LM431SAIMFX Overview
Discover unparalleled precision and reliability with the LM431SAIMFX voltage reference from Fairchild Semiconductor. Engineered to exacting standards, this adjustable reference device offers a remarkable 2.5V output with a 2% tolerance, ensuring consistent performance across various applications.
Designed for critical voltage regulation tasks, the LM431SAIMFX is ideal for demanding industrial and commercial environments where precision is paramount. Its versatility and stability make it a top choice for B2B customers seeking high-performance components for their projects.
LM431SAIMFX Features
- Adjustable voltage reference
- Output voltage: 2.5V
- Tolerance: ±2%
- High precision and stability
- Ideal for industrial and commercial applications
LM431SAIMFX Applications
- Voltage regulators: The LM431SAIMFX is commonly used in voltage regulator circuits to maintain stable output voltages in power supplies and electronic devices. Its precise reference voltage ensures accurate regulation, making it indispensable in critical systems such as industrial automation and telecommunications equipment.
- Precision instrumentation: In measurement and control systems where accuracy is paramount, the LM431SAIMFX serves as a reliable voltage reference to calibrate and stabilize analog circuitry. Its low drift and high precision characteristics make it a preferred choice for scientific instruments, data acquisition systems, and laboratory equipment.
- Automotive electronics: Automotive applications demand robust performance and durability. The LM431SAIMFX meets these requirements by providing a stable voltage reference for various automotive systems, including engine control units (ECUs), sensors, and onboard diagnostics (OBD) modules. Its ability to withstand harsh operating conditions makes it an essential component in modern vehicles.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















