SI8421AB-D-IS The Skyworks Solutions SI8421AB-D-IS is a dual-channel digital isolator offering 2500Vrms isolation and high-speed data rates up to 150 Mbps. It is designed for general-purpose applications and comes in an 8-SOIC package.
Mfr Part #:

SI8421AB-D-IS

Available from 1 distributors
Mfr Name: Skyworks Solutions
Skyworks Solutions
The Skyworks Solutions SI8421AB-D-IS is a dual-channel digital isolator offering 2500Vrms isolation and high-speed data rates up to 150 Mbps. It is designed for general-purpose applications and comes in an 8-SOIC package.
Total Stock: 86 pcs
$ Price Range: $3.51

SI8421AB-D-IS Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
86 pcs
86 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16

SI8421AB-D-IS Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Channel Type
Common Mode Transient Immunity (Min)
Data Rate
Industrial Grade
Inputs
Isolated Power
Lead Spacing
Medical Grade
Military Grade
Mounting Type
Number of Channels
Operating Temperature
Propagation Delay tpLH
Pulse Width Distortion (Max)
Rise
Supplier Device Package
Tape & Reel
Technology
Type
Voltage

SI8421AB-D-IS Description

Short technical summary and product information.

The Skyworks Solutions SI8421AB-D-IS is a dual-channel digital isolator designed for applications requiring robust isolation. It supports data rates up to 150 Mbps and provides 2500Vrms of isolation, ensuring signal integrity in noisy environments.

 

This isolator operates over a wide temperature range of -40°C to 125°C, making it suitable for industrial applications. It features ultra-low power consumption and requires only VDD bypass capacitors for ease of design. The device is available in a compact 8-pin SOIC package, suitable for surface mount assembly.

 

Key electrical specifications include a wide operating supply voltage range of 2.70V to 5.5V. The device offers precise timing characteristics with a worst-case propagation delay of less than 10 ns and high electromagnetic immunity. It is certified by UL, CSA, and VDE for safety regulatory approvals.

 

Applications for the SI8421AB-D-IS include industrial automation systems, isolated switch mode supplies, isolated ADCs and DACs, motor control, and power inverters.

SI8421AB-D-IS Quick Information

Product Type: Digital Isolator
Canonical Name: Skyworks Solutions SI8421AB-D-IS Dual-Channel Digital Isolator
Subcategory: General Purpose

SI8421AB-D-IS Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SI8421AB-D-IS Estimated Pricing

Qty Low High
1+ $3.51 $3.51

Estimated market price range - modelled values for guidance only, not live distributor offers.

SI8421AB-D-IS Features

  • 2500Vrms isolation rating.
  • Up to 150 Mbps data rate.
  • Wide -40°C to 125°C operating temperature.
  • Ultra-low power consumption.
  • 8-SOIC surface mount package.

SI8421AB-D-IS Applications

  • Industrial automation systems.
  • Isolated switch mode supplies.
  • Isolated ADC and DAC circuits.
  • Motor control applications.
  • Power inverter systems.

SI8421AB-D-IS FAQs

6 frequently asked questions generated from this part’s specifications.
What is the isolation voltage for the SI8421AB-D-IS?

The SI8421AB-D-IS provides 2500Vrms of isolation.

What is the maximum data rate supported by this digital isolator?

This digital isolator supports data rates up to 150 Mbps.

What is the operating temperature range for the SI8421AB-D-IS?

The operating temperature range is -40°C to 125°C.

What package type is the SI8421AB-D-IS supplied in?

The SI8421AB-D-IS is supplied in an 8-SOIC package.

What is the mounting type for the SI8421AB-D-IS?

The mounting type is Surface Mount.

How many channels does the SI8421AB-D-IS have?

The SI8421AB-D-IS has 2 channels.

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