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HomeProductsIntegrated Circuits (ICs)Logic - Signal Switches, Multiplexers, DecodersFST3125QSCX
FST3125QSCX Image
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FST3125QSCX - onsemi

Manufacturer Part Number
FST3125QSCX
Manufacturer
onsemi
Allelco Part Number
32D-FST3125QSCX
ECAD Model
Parts Description
IC BUS SWITCH 1 X 1:1 16QSOP
Package
16-LSSOP (0.154', 3.90mm Width)
Data sheet
FST3125.pdf
Our certification
In stock: 5410

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Our certification

Specifications

FST3125QSCX Tech Specifications
onsemi - FST3125QSCX technical specifications, attributes, parameters and parts with similar specifications to onsemi - FST3125QSCX

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage Supply Source Single Supply  
Voltage - Supply 4V ~ 5.5V  
Type Bus Switch  
Supplier Device Package 16-QSOP  
Series -  
Package / Case 16-LSSOP (0.154', 3.90mm Width)  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Independent Circuits 4  
Current - Output High, Low -  
Circuit 1 x 1:1  
Base Product Number FST3125  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

FST3125QSCX

Manufacturer

onsemi

Introduction

The FST3125QSCX is a 1-of-4 bus switch designed for high-speed digital applications. It features low on-resistance, high off-isolation, and fast switching speeds, making it suitable for a wide range of digital interface applications.

Product Features and Performance

1-of-4 bus switch

Low on-resistance (Rds(on) = 4Ω typical)

High off-isolation (70dB typical)

Fast switching speed (tpd = 3.5ns typical)

Operates on a single 4V to 5.5V supply

Wide operating temperature range of -40°C to +85°C

Product Advantages

Enables high-speed, low-power digital interfaces

Reduces board space and simplifies circuit design

Provides robust signal switching for reliable operation

Key Reasons to Choose This Product

Superior performance for high-speed digital applications

Compact surface-mount package for space-constrained designs

Reliable operation over a wide temperature range

Quality and Safety Features

Manufactured using high-quality onsemi processes

Fully tested to ensure performance and reliability

Complies with relevant safety and regulatory standards

Compatibility

The FST3125QSCX is compatible with a variety of digital logic families, including TTL, CMOS, and LVCMOS.

Application Areas

Computer and peripheral equipment

Telecommunications equipment

Industrial control systems

Test and measurement equipment

Product Lifecycle

The FST3125QSCX is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from onsemi or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi FST3125QSCX

Product Attribute FST3125QSCX FST3126MX FST3125QSC FST3126DR2G
Part Number FST3125QSCX FST3126MX FST3125QSC FST3126DR2G
Manufacturer onsemi onsemi Fairchild Semiconductor onsemi
Package / Case 16-LSSOP (0.154', 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 16-LSSOP (0.154", 3.90mm Width) 14-SOIC (0.154', 3.90mm Width)
Independent Circuits 4 4 4 4
Circuit 1 x 1:1 1 x 1:1 1 x 1:1 1 x 1:1
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -55°C ~ 125°C
Supplier Device Package 16-QSOP 14-SOIC 16-QSOP 14-SOIC
Current - Output High, Low - - - -
Type Bus Switch Bus Switch Bus Switch Bus Switch
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage Supply Source Single Supply Single Supply Single Supply Single Supply
Voltage - Supply 4V ~ 5.5V 4V ~ 5.5V 4V ~ 5.5V 4V ~ 5.5V
Base Product Number FST3125 FST3126 FST3125 FST3126
Series - - - -

FST3125QSCX Datasheet PDF

Download FST3125QSCX pdf datasheets and onsemi documentation for FST3125QSCX - onsemi.

Datasheets
FST3125.pdf
Environmental Information
onsemi RoHS.pdf onsemi REACH.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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FST3125QSCX Image

FST3125QSCX

onsemi
32D-FST3125QSCX

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