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Eaton - Electronics Division CMS3-12-R

CMC 790UH 1.05A 2LN SMD

Answer first: this page is a purchasing reference for the exact part number CMS3-12-R from Eaton - Electronics Division. 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: Eaton - Electronics Division Category: Common Mode Chokes Part number: CMS3-12-R Package: Horizontal, 4 PC Pad RFQ verification required

Key Parameters

Part NumberCMS3-12-R
ManufacturerEaton - Electronics Division
CategoryCommon Mode Chokes
packageHorizontal, 4 PC Pad
seriesCMS
packagingTape & Reel (TR)
product statusActive
param 1Power Line
param 22
param 3-
param 4790 µH @ 100 kHz
param 51.05A
param 6145mOhm (Typ)
param 7-
param 8-
param 9-40°C ~ 160°C
param 10-
param 11-
param 12-
param 13-
param 14-
param 15Surface Mount
param 160.450" L x 0.450" W (11.43mm x 11.43mm)
param 170.236" (6.00mm)

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

How to Verify CMS3-12-R 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 CMS3-12-R, 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.