MOC3033SR2M Equivalent & Substitute Parts

Part Overview

The MOC3033SR2M is an optoisolator with triac output manufactured by onsemi, designed for applications requiring galvanic isolation in AC switching circuits. This component features a 4170Vrms isolation voltage rating and is packaged in a 6-SMD surface mount configuration. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent functional performance can be achieved within the allowed electrical and mechanical parameter ranges for optoisolator triac output devices in 6-SMD packaging.

Substiute Parts

MOC3033SR2M

onsemiIn Stock: 12238MOC3033SR2M Datasheet

Current PartRFQ

VO3063-X007T

Vishay Semiconductor Opto DivisionIn Stock: 2015VO3063-X007T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MOC3033SR2M is determined by the following critical parameters:

Output Type: Triac configuration required for AC switching applications Package / Case: 6-SMD, Gull Wing form factor for PCB compatibility Mounting Type: Surface Mount for automated assembly Number of Channels: Single channel isolation Zero Crossing Circuit: Presence of zero crossing detection Current - LED Trigger (Ift) (Max): Maximum 5mA input requirement Current - DC Forward (If) (Max): Maximum 60 mA forward current capability Voltage - Isolation: Minimum 4170Vrms isolation rating RoHS Status: ROHS3 Compliant for regulatory alignment

The VO3063-X007T from Vishay Semiconductor Opto Division meets all substitution criteria with enhanced electrical specifications in isolation voltage, off-state voltage, and static dV/dt performance.

Parameter Comparison

Engineering Selection Recommendations

Both MOC3033SR2M and VO3063-X007T are active production components with full RoHS3 compliance and REACH unaffected status. The VO3063-X007T provides enhanced isolation voltage (5300Vrms vs 4170Vrms), higher off-state voltage rating (600V vs 250V), and improved static dV/dt performance (1.5kV/µs vs 1kV/µs). The VO3063-X007T also supports an extended operating temperature range (-55°C to 100°C vs -40°C to 85°C). Both components maintain identical LED trigger current requirements and forward current specifications, ensuring direct functional compatibility in 6-SMD surface mount applications.

Frequently Asked Questions (FAQ)

Q: Can VO3063-X007T replace MOC3033SR2M in existing designs? A: Yes. Both components share identical package configuration (6-SMD, Gull Wing), mounting type (Surface Mount), output type (Triac), channel count (1), zero crossing circuit presence, and critical electrical parameters including LED trigger current (5mA max) and forward current (60mA max). The VO3063-X007T offers superior isolation voltage and temperature range specifications.

Q: What are the key differences between these parts? A: The VO3063-X007T provides higher isolation voltage (5300Vrms vs 4170Vrms), higher off-state voltage (600V vs 250V), faster static dV/dt response (1.5kV/µs vs 1kV/µs), lower hold current (200µA vs 400µA typical), and extended operating temperature range (-55°C to 100°C vs -40°C to 85°C).

Q: Are both parts RoHS compliant? A: Yes. Both MOC3033SR2M and VO3063-X007T are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Q: What is the significance of the zero crossing circuit in these optoisolators? A: The zero crossing circuit ensures the triac output switches only at the AC voltage zero crossing point, reducing electromagnetic interference and improving switching reliability in AC load control applications.

Q: Are there any approval agency differences? A: MOC3033SR2M carries UL approval. VO3063-X007T carries cUR and UR approvals. Both meet recognized safety standards for optoisolator applications.