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Texas Instruments LM431ACM3X/NOPB

IC VREF SHUNT ADJ 2.2% SOT23-3

Answer first: this page is a purchasing reference for the exact part number LM431ACM3X/NOPB from Texas Instruments. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: Texas Instruments Part number: LM431ACM3X/NOPB Package: TO-236-3, SC-59, SOT-23-3 RFQ verification required

Key Parameters

Part NumberLM431ACM3X/NOPB
ManufacturerTexas Instruments
CategoryVoltage Reference
packageTO-236-3, SC-59, SOT-23-3
series-
packagingTape & Reel (TR)
product statusActive
param 1Shunt
param 2Adjustable
param 32.495V
param 437 V
param 5100 mA
param 6±2.2%
param 750ppm/°C Typical
param 8-
param 9-
param 10-
param 11-
param 121 mA
param 130°C ~ 70°C (TA)
param 14-
param 15-
param 16Surface Mount
param 17SOT-23-3

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify LM431ACM3X/NOPB Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For LM431ACM3X/NOPB, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.