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Silicon Labs SI4205-BM

IC RF TXRX CELLULAR 32LGA

Answer first: this page is a purchasing reference for the exact part number SI4205-BM from Silicon Labs. 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: Silicon Labs Category: RF Transceiver ICs Part number: SI4205-BM Package: 32-LFLGA Exposed Pad RFQ verification required

Key Parameters

Part NumberSI4205-BM
ManufacturerSilicon Labs
CategoryRF Transceiver ICs
package32-LFLGA Exposed Pad
seriesAero™ I
packagingTube
product statusObsolete
param 1Not Verified
param 2TxRx Only
param 3Cellular
param 4GSM, GPRS
param 5-
param 6850MHz, 900MHz, 1.8GHz, 1.9GHz
param 7-
param 89dBm
param 9-
param 10-
param 11SPI
param 12-
param 132.7V ~ 3V
param 1480mA
param 1582mA
param 16-20°C ~ 85°C
param 17-
param 18-
param 19Surface Mount
param 2032-LGA (8x8)

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

How to Verify SI4205-BM 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 SI4205-BM, 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.