MOC3022 Equivalent & Substitute Parts

Part Overview

The MOC3022 is an optoisolator with triac output manufactured by onsemi, designed for applications requiring galvanic isolation up to 5300Vrms. This component features a single channel configuration in a 6-DIP through-hole package and is classified as obsolete. Due to its obsolete status, identifying functionally equivalent active alternatives is essential for new designs and ongoing production support.

Substiute Parts

MOC3022

onsemiIn Stock: 67862MOC3022 Datasheet

Current PartRFQ

MOC3022M

onsemiIn Stock: 93737MOC3022M Datasheet

DirectRFQ

MOC3022

onsemiIn Stock: 67862MOC3022 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MOC3022 optoisolator is determined by the following critical parameters:

• Output Type: Triac output configuration
• Number of Channels: Single channel
• Package / Case: 6-DIP (0.300", 7.62mm) form factor
• Mounting Type: Through hole
• Voltage - Isolation: Minimum 5300Vrms or equivalent
• Voltage - Off State: 400 V
• Current - LED Trigger (Ift): Maximum 10mA
• Current - Hold (Ih): 100µA
• Current - DC Forward (If): Maximum 50 mA

The MOC3022M is identified as a direct substitute within the same product family, sharing identical package, channel configuration, and output type. While isolation voltage differs (4170Vrms vs. 5300Vrms), both parts maintain compatibility within the MOC302 base product series and are manufactured by onsemi.

Parameter Comparison

Engineering Selection Recommendations

The MOC3022M is the active equivalent for the obsolete MOC3022. Both parts share identical package geometry, channel configuration, and output type, enabling direct pin-compatible substitution in 6-DIP through-hole applications.

The MOC3022M offers the advantage of active product status, ensuring ongoing availability and manufacturing support. Additionally, the MOC3022M carries ROHS3 compliance and UL approval, meeting modern regulatory requirements. The MOC3022M supports a higher maximum forward current (60 mA vs. 50 mA), providing additional operational margin in LED drive circuits.

The primary design consideration is isolation voltage: the MOC3022M provides 4170Vrms isolation compared to the MOC3022's 5300Vrms. Applications requiring isolation voltage exceeding 4170Vrms must evaluate whether the reduced isolation rating is acceptable for the intended circuit topology and safety margins.

Frequently Asked Questions (FAQ)

Q: Can MOC3022M directly replace MOC3022 in existing designs?

A: Yes, MOC3022M is pin-compatible and functionally equivalent for the same 6-DIP through-hole package. Both parts share identical LED trigger current (10mA), hold current (100µA), and off-state voltage (400V) specifications. The primary difference is isolation voltage rating.

Q: What is the isolation voltage difference between MOC3022 and MOC3022M?

A: MOC3022 provides 5300Vrms isolation, while MOC3022M provides 4170Vrms isolation. Applications must confirm that 4170Vrms isolation meets circuit safety and regulatory requirements before substitution.

Q: Is MOC3022M available for new production?

A: Yes, MOC3022M carries active product status with UL approval and ROHS3 compliance, making it suitable for new designs and ongoing production.

Q: Are there package or mounting differences between these parts?

A: No. Both MOC3022 and MOC3022M use identical 6-DIP (0.300", 7.62mm) through-hole packaging, requiring no PCB layout modifications.

Q: What is the maximum forward current for each part?

A: MOC3022 supports 50 mA maximum DC forward current, while MOC3022M supports 60 mA maximum DC forward current, providing additional design margin in the substitute part.