IL4116-X019T Equivalent & Substitute Parts

Part Overview

The IL4116-X019T is a 5.3kV isolation optoisolator with triac output manufactured by Vishay Semiconductor Opto Division. This component features zero-crossing detection and is designed for high-voltage isolation applications requiring triac switching capability. The part is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

IL4116-X019T

Vishay Semiconductor Opto DivisionIn Stock: 1052IL4116-X019T Datasheet

Current PartRFQ

FOD410SDV

onsemiIn Stock: 2241FOD410SDV Datasheet

MFR RecommendedRFQ

FOD410SV

onsemiIn Stock: 2143FOD410SV Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IL4116-X019T is based on the following critical parameters that must be maintained or exceeded:

• Isolation Voltage: Minimum 5300Vrms required; substitute parts at 5000Vrms represent a 5.7% reduction in isolation capability
• Output Type: Triac output mandatory for direct functional replacement
• Zero Crossing Circuit: Required for applications dependent on zero-crossing detection
• Package / Case: 6-SMD surface mount package for PCB compatibility
• Mounting Type: Surface mount configuration
• Operating Temperature Range: -55°C ~ 100°C minimum requirement
• RoHS Compliance: ROHS3 Compliant status for regulatory alignment

The onsemi FOD410SDV and FOD410SV meet all critical functional requirements with the exception of isolation voltage, which is specified at 5000Vrms versus the original 5300Vrms specification.

Parameter Comparison

Engineering Selection Recommendations

Both FOD410SDV and FOD410SV are active production components from onsemi and represent the primary alternatives to the obsolete IL4116-X019T. Selection between these two substitute parts is determined by packaging and supply requirements:

FOD410SDV is supplied in Tape & Reel (TR) packaging, suitable for automated assembly processes and high-volume production environments.

FOD410SV is supplied in Bulk packaging, appropriate for lower-volume applications or manual assembly workflows.

Both parts maintain ROHS3 compliance, carry identical electrical specifications, and hold the same regulatory approvals (CSA, UL, VDE). The primary design consideration is the isolation voltage differential: the substitute parts operate at 5000Vrms compared to the original 5300Vrms specification. This 5.7% reduction in isolation voltage must be evaluated against the specific application requirements and safety margins of the target system.

Frequently Asked Questions (FAQ)

Q: Can FOD410SDV and FOD410SV be used interchangeably with IL4116-X019T?

A: Both onsemi parts are functionally equivalent in terms of output type, zero-crossing detection, package configuration, and operating temperature range. The primary difference is isolation voltage: 5000Vrms versus 5300Vrms. Interchangeability depends on whether the application can tolerate this voltage reduction within its safety and design margins.

Q: What is the difference between FOD410SDV and FOD410SV?

A: The electrical specifications are identical. The difference is packaging: FOD410SDV is supplied in Tape & Reel format for automated assembly, while FOD410SV is supplied in Bulk format. Both are 6-SMD, Gull Wing packages suitable for surface mount assembly.

Q: Are there any compliance or certification differences between the substitute parts and the original?

A: All three parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity. The original IL4116-X019T carries BSI, CSA, cUR, FIMKO, UR, and VDE approvals. The substitute parts carry CSA, UL, and VDE approvals. Both sets of certifications are appropriate for high-voltage isolation applications.

Q: Does the 5.7% reduction in isolation voltage affect PCB layout or thermal design?

A: The provided parameters do not include thermal or layout-specific data. Isolation voltage reduction may impact creepage and clearance requirements depending on the application's safety standards and operating environment. System-level validation is required to confirm compatibility.

Q: Are FOD410SDV and FOD410SV available in sufficient inventory?

A: FOD410SDV inventory is 2134 pieces and FOD410SV inventory is 2088 pieces, both listed as new original stock. Availability should be confirmed with the supplier for production requirements.