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Fairchild Semiconductor FSA3157BFHX

IC SWITCH SPDTX1 15OHM 6MICROPK2

Answer first: this page is a purchasing reference for the exact part number FSA3157BFHX 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: FSA3157BFHX Package: 6-UFDFN RFQ verification required

Key Parameters

Part NumberFSA3157BFHX
ManufacturerFairchild Semiconductor
CategoryAnalog Switches, Multiplexers, Demultiplexers
package6-UFDFN
series-
packagingBulk
product statusActive
param 1SPDT
param 22:1
param 31
param 415Ohm
param 5150mOhm
param 61.65V ~ 5.5V
param 7-
param 85.2ns, 3.5ns
param 9250MHz
param 107pC
param 116.5pF
param 12100nA
param 13-54dB @ 10MHz
param 14-40°C ~ 85°C (TA)
param 15-
param 16-
param 17Surface Mount
param 186-MicroPak2™

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

How to Verify FSA3157BFHX 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 FSA3157BFHX, 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.