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Texas Instruments LM431CIMX

IC VREF SHUNT -0.6%/+0.4% 8SOIC

Answer first: this page is a purchasing reference for the exact part number LM431CIMX 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: LM431CIMX Package: 8-SOIC (0.154", 3.90mm Width) RFQ verification required

Key Parameters

Part NumberLM431CIMX
ManufacturerTexas Instruments
CategoryVoltage Reference
package8-SOIC (0.154", 3.90mm Width)
series-
packagingTape & Reel (TR)
product statusObsolete
param 1Shunt
param 2Adjustable
param 32.5V
param 437 V
param 5100 mA
param 6-0.6%, +0.4%
param 750ppm/°C Typical
param 8-
param 9-
param 10-
param 11-
param 121 mA
param 13-40°C ~ 85°C (TA)
param 14-
param 15-
param 16Surface Mount
param 178-SOIC

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

How to Verify LM431CIMX 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 LM431CIMX, 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.