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Fairchild Semiconductor MC4558CD

IC OPAMP GP 2 CIRCUIT 8SOIC

Answer first: this page is a purchasing reference for the exact part number MC4558CD from Fairchild Semiconductor. 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: Fairchild Semiconductor Part number: MC4558CD Package: 8-SOIC (0.154", 3.90mm Width) RFQ verification required

Key Parameters

Part NumberMC4558CD
ManufacturerFairchild Semiconductor
CategoryInstrumentation, Op Amps, Buffer Amps
package8-SOIC (0.154", 3.90mm Width)
series-
packagingTube
product statusObsolete
param 1General Purpose
param 22
param 3-
param 42.2V/µs
param 55.5 MHz
param 6-
param 750 nA
param 81 mV
param 92.3mA
param 1020 mA
param 114 V
param 1240 V
param 130°C ~ 70°C
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 MC4558CD 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 MC4558CD, 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.