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SI8631AB-B-IS The Silicon Labs SI8631AB-B-IS is a digital isolator featuring 3 channels and a 2.5 kV isolation voltage. It is designed for surface mounting in a SOIC package.
Mfr Part #:

SI8631AB-B-IS

Available from 1 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs SI8631AB-B-IS is a digital isolator featuring 3 channels and a 2.5 kV isolation voltage. It is designed for surface mounting in a SOIC package.
✓ Total Stock: 200 pcs
$ Price Range: $8.46

SI8631AB-B-IS Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
200 pcs
On Request
200 pcs On Request 1 On Request On Request 1732 On Request On Request
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SI8631AB-B-IS Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Data Rate
Dimensions
Mounting Type
Number of Channels
Number of Outputs
Propagation Delay
Type
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SI8631AB-B-IS Description

Short technical summary and product information.

The Silicon Labs SI8631AB-B-IS is a digital isolator designed for robust signal isolation in electronic systems. It offers 3 unidirectional channels and supports a data rate of 1 Mbps, with a maximum data rate of 150 Mbps. The device provides an isolation voltage of 2.5 kV, ensuring reliable separation between circuits.

 

This digital isolator operates within a supply voltage range of 2.5 V to 5.5 V and has a typical operating supply current of 2.7 mA. Key electrical characteristics include a maximum propagation delay of 13 µs and a turn-on delay time of 35 ns. The component is specified for operation in temperatures ranging from -40 °C to 125 °C.

 

Packaged in a 16-pin SOIC form factor, the SI8631AB-B-IS is designed for surface mount applications. Its dimensions are 9.9mm x 3.9mm x 1.25mm. The component is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

SI8631AB-B-IS Quick Information

Product Type: Digital Isolator
Series: SI8631
Canonical Name: Silicon Labs SI8631AB-B-IS Digital Isolator
Subcategory: Digital Isolator

SI8631AB-B-IS Compliance

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

SI8631AB-B-IS Estimated Pricing

Qty Low High
1+ $8.46 $8.46

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

SI8631AB-B-IS Features

  • 3 unidirectional channels for signal isolation.
  • 2.5 kV isolation voltage for enhanced safety.
  • 1 Mbps typical data rate support.
  • Wide operating temperature range of -40°C to 125°C.
  • Surface mount SOIC package for easy assembly.

SI8631AB-B-IS Applications

  • Provides isolation in power supply circuits.
  • Used in industrial control systems.
  • Suitable for communication interfaces.
  • Enhances safety in mixed-voltage systems.

SI8631AB-B-IS FAQs

7 frequently asked questions generated from this part’s specifications.
What is the isolation voltage rating?

2.5 kV.

What is the operating temperature range?

-40°C to +125°C.

What package is this device available in?

Surface-mount SOIC, 9.9mm x 3.9mm x 1.25mm.

How many channels does the SI8631AB-B-IS have?

3 channels.

What is the supply voltage range?

2.5 V to 5.5 V.

What data rates are supported?

Standard 1 Mbps; maximum 150 Mbps.

What is the propagation delay?

Typical 35 ns; maximum 13 µs.

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