ProjectsPricingInsights

FSA550BUCX AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

FSA550BUCX product

FSA550BUCX

Analog Switches - Special Purpose

Isolation SwitchAudioDepletion Mode4PST

The FSA550BUCX is an obsolete 4PST Depletion Mode isolation switch designed for audio signal management in portable devices.

Best for

  • Portable audio applications
  • EMI-sensitive signal routing

Avoid if

  • New designs requiring long-term availability

Check before use

  • Lifecycle status and stock availability

Key specifications

Switch Type
4PST (NC)
RON
0.8 Ω
THD+N
0.002%
Package
12-Ball WLCSP

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001

Application

Portable Media PlayersSmartphones

Datasheet

Fairchild-Semiconductor-company-11.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for FSA550BUCX: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a high-performance, four-pole single-throw (4PST) normally closed Depletion-Mode isolation switch used for audio signal routing.