SI8410AD-A-IS Digital Isolator Equivalent & Substitute Parts

Part Overview

The SI8410AD-A-IS is a general purpose digital isolator manufactured by Skyworks Solutions Inc., featuring 5000Vrms isolation voltage and capacitive coupling technology. This part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations. The device provides single-channel unidirectional isolation suitable for applications requiring high voltage isolation with moderate data rates.

Substiute Parts

SI8410AD-A-IS

Skyworks Solutions Inc.In Stock: 1527SI8410AD-A-IS Datasheet

Current PartRFQ

IL 710T-3E

NVE Corp/Isolation ProductsIn Stock: 946IL 710T-3E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SI8410AD-A-IS requires evaluation against the following critical parameters that define functional equivalence:

Primary Substitution Criteria:

• Isolation voltage rating (minimum 5000Vrms required)
• Number of channels (1 channel, unidirectional)
• Supply voltage compatibility (2.7V ~ 5.5V range)
• Operating temperature range (-40°C ~ 125°C)
• Package form factor and pin count compatibility

Secondary Compatibility Factors:

• Data rate capability (minimum 1Mbps)
• Common mode transient immunity performance
• Propagation delay characteristics
• Mounting type (Surface Mount)

The IL 710T-3E from NVE Corp/Isolation Products is identified as a substitute part. However, this substitution involves trade-offs in isolation voltage specification and package form factor that must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

SI8410AD-A-IS Status Consideration: The SI8410AD-A-IS is classified as obsolete. For applications currently using this device, transition planning to active alternatives is necessary for long-term supply chain sustainability.

IL 710T-3E Substitution Assessment: The IL 710T-3E is an active product from NVE Corp/Isolation Products with full RoHS3 compliance and REACH unaffected status. This device demonstrates superior performance across multiple parameters including data rate, common mode transient immunity, and propagation delay.

Critical Substitution Limitations:

• Isolation voltage: IL 710T-3E is rated at 2500Vrms, which is 50% lower than the SI8410AD-A-IS 5000Vrms specification. Applications requiring 5000Vrms isolation cannot use this substitute without design modification or additional isolation stages.
• Package form factor: The transition from 16-SOIC to 8-SOIC requires PCB layout redesign and cannot be implemented as a direct pin-compatible replacement.
• Minimum supply voltage: IL 710T-3E requires minimum 3V supply versus 2.7V for SI8410AD-A-IS.

Compliance Status: IL 710T-3E carries RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements for new designs.

Frequently Asked Questions (FAQ)

Q: Can the IL 710T-3E be used as a direct pin-for-pin replacement for the SI8410AD-A-IS?

A: No. The IL 710T-3E uses an 8-SOIC package with different pin configuration compared to the SI8410AD-A-IS 16-SOIC package. PCB layout and schematic redesign is required.

Q: What is the primary limitation when substituting IL 710T-3E for SI8410AD-A-IS?

A: The IL 710T-3E isolation voltage rating of 2500Vrms is half that of the SI8410AD-A-IS at 5000Vrms. Applications requiring 5000Vrms isolation cannot use this substitute without additional isolation measures.

Q: Does the IL 710T-3E meet current compliance standards?

A: Yes. The IL 710T-3E is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Q: What are the performance advantages of the IL 710T-3E over the SI8410AD-A-IS?

A: The IL 710T-3E provides superior data rate (110Mbps vs 1Mbps), higher common mode transient immunity (100kV/µs vs 20kV/µs), faster propagation delay (15ns vs 35ns), and lower pulse width distortion (3ns vs 25ns).

Q: Is the IL 710T-3E suitable for 2.7V supply applications?

A: No. The IL 710T-3E minimum supply voltage is 3V. Applications requiring 2.7V operation cannot use this device.

Q: What is the moisture sensitivity difference between these devices?

A: The SI8410AD-A-IS has MSL 2A (4 weeks), while the IL 710T-3E has MSL 1 (unlimited). The IL 710T-3E offers superior moisture tolerance for storage and handling.