MOC3163FR2VM Equivalent & Substitute Parts

Part Overview

The MOC3163FR2VM is an optoisolator with triac output manufactured by onsemi, designed for high-voltage isolation applications. This component features a 7500Vpk isolation rating, single channel configuration, and zero-crossing detection capability in a 6-SMD surface mount package. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement planning.

Substiute Parts

MOC3163FR2VM

onsemiIn Stock: 1011MOC3163FR2VM Datasheet

Current PartRFQ

MOC3163SR2VM

onsemiIn Stock: 5487MOC3163SR2VM Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MOC3163FR2VM is determined by the following critical parameters:

• Output Type: Must be Triac output to maintain functional compatibility
• Number of Channels: Must be single channel (1 channel)
• Package Configuration: Must be 6-SMD, Gull Wing surface mount to ensure PCB compatibility
• Zero Crossing Circuit: Must include zero-crossing detection capability
• Voltage - Off State: Must support 600 V minimum
• Current Specifications: LED trigger current (Ift) and hold current (Ih) must be compatible with existing circuit design
• Mounting Type: Must be surface mount to match assembly requirements

The MOC3163SR2VM meets all substitution criteria as an active product from the same manufacturer within the MOC316 base product family, maintaining identical channel count, package type, and core electrical characteristics while offering improved product availability.

Parameter Comparison

Engineering Selection Recommendations

The MOC3163SR2VM is the designated substitute for the obsolete MOC3163FR2VM based on the following factors:

• Product Status: The MOC3163SR2VM maintains active product status with onsemi, ensuring ongoing availability and manufacturing support
• Compliance Certifications: The substitute part carries IEC/EN/DIN and UL approvals, providing broader regulatory acceptance compared to the main part
• RoHS Compliance: The MOC3163SR2VM is ROHS3 compliant, meeting current environmental and regulatory requirements
• Packaging: Both parts share identical 6-SMD, Gull Wing surface mount configuration, eliminating PCB redesign requirements
• Core Electrical Parameters: Matching specifications for output type, channel count, off-state voltage, zero-crossing circuit, and current characteristics ensure functional compatibility

The primary design consideration is the isolation voltage difference: the MOC3163FR2VM specifies 7500Vpk isolation, while the MOC3163SR2VM provides 4170Vrms isolation. Applications requiring the higher isolation rating of the original part may require alternative component selection outside the MOC316 family.

Frequently Asked Questions (FAQ)

Q: Can the MOC3163SR2VM directly replace the MOC3163FR2VM in existing designs?

A: Direct replacement is possible for applications where the 4170Vrms isolation rating of the MOC3163SR2VM meets or exceeds the circuit isolation requirements. The identical package, channel configuration, and electrical parameters (LED trigger current, hold current, off-state voltage) ensure PCB and functional compatibility. Applications specifically requiring 7500Vpk isolation must evaluate alternative components.

Q: What is the significance of the isolation voltage difference between these parts?

A: The MOC3163FR2VM specifies 7500Vpk isolation, while the MOC3163SR2VM provides 4170Vrms isolation. These represent different measurement standards (peak voltage versus RMS voltage). The selection between these parts depends on the specific isolation voltage requirement of the application circuit. Lower isolation requirements can use the MOC3163SR2VM; higher requirements may necessitate alternative components.

Q: Are there packaging differences between the main part and substitute?

A: No. Both the MOC3163FR2VM and MOC3163SR2VM use identical 6-SMD, Gull Wing surface mount packaging. PCB footprints, reflow profiles, and assembly processes remain unchanged.

Q: What certifications apply to the substitute part?

A: The MOC3163SR2VM carries IEC/EN/DIN and UL approvals and is ROHS3 compliant. These certifications support use in regulated applications and markets with environmental compliance requirements.

Q: Why is the main part classified as obsolete?

A: Obsolete status indicates that onsemi has discontinued manufacturing of the MOC3163FR2VM. The MOC3163SR2VM, as an active product within the same MOC316 base family, provides continuity for applications where the isolation voltage specification permits substitution.