MOC212VM Equivalent & Substitute Parts

Part Overview

The MOC212VM is an optoisolator transistor with base output manufactured by onsemi, rated for 2500Vrms isolation voltage in an 8-SOIC surface mount package. This component provides galvanic isolation for low-speed switching applications with a single transistor output channel and integrated base connection.

The MOC212VM is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

MOC212VM

onsemiIn Stock: 1119MOC212VM Datasheet

Current PartRFQ

IL215AT

Vishay Semiconductor Opto DivisionIn Stock: 1679IL215AT Datasheet

SimilarRFQ

IL216AT

Vishay Semiconductor Opto DivisionIn Stock: 1472IL216AT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MOC212VM must satisfy the following criteria based on allowed electrical and mechanical parameters:

Mandatory Compatibility Parameters:

• Package / Case: 8-SOIC (0.154", 3.90mm Width) — ensures mechanical and electrical pin compatibility
• Output Type: Transistor with Base — maintains functional equivalence
• Mounting Type: Surface Mount — preserves assembly compatibility
• Input Type: DC — maintains signal interface compatibility

Electrical Performance Parameters:

• Voltage - Isolation: Must be equal to or greater than 2500Vrms
• Voltage - Output (Max): Must be equal to or greater than 30V
• Vce Saturation (Max): Must be equal to or less than 400mV
• Current Transfer Ratio (Min): Must support the application's switching requirements
• Operating Temperature Range: Must encompass or exceed -40°C ~ 100°C

The identified substitute parts IL215AT and IL216AT meet these criteria. Both are Vishay Semiconductor Opto Division optoisolators with 4000Vrms isolation voltage (exceeding the 2500Vrms requirement), identical 8-SOIC packaging, transistor with base output configuration, and compatible electrical specifications.

Parameter Comparison

Engineering Selection Recommendations

IL216AT is the preferred substitute for the MOC212VM. This part maintains identical current transfer ratio performance (50% @ 1mA vs. 50% @ 10mA for the original), ensuring equivalent switching characteristics. IL216AT is active in production status, ROHS3 compliant, and available in higher inventory quantities (1460 pcs). The extended operating temperature range (-55°C ~ 100°C) provides additional margin beyond the original specification.

IL215AT is an alternative substitute with higher isolation voltage (4000Vrms) and lower current transfer ratio (20% @ 1mA). This part is suitable for applications where the lower CTR is acceptable and the enhanced isolation margin is beneficial. IL215AT is also active in production and ROHS3 compliant, with substantial inventory availability (1623 pcs).

Both substitutes exceed the isolation voltage requirement, maintain identical output voltage and saturation specifications, and preserve the 8-SOIC package footprint for direct board-level replacement without layout modification.

Frequently Asked Questions (FAQ)

Q: Can IL215AT or IL216AT be used as direct pin-for-pin replacements for MOC212VM?

A: Yes. Both substitute parts use the identical 8-SOIC package with matching pinout for transistor with base output optoisolators. No PCB layout changes are required.

Q: What is the significance of the higher 4000Vrms isolation voltage in the substitute parts?

A: The substitute parts exceed the original 2500Vrms isolation specification. This provides additional safety margin and is fully compatible with applications designed for the lower isolation voltage. No circuit modification is necessary.

Q: How do the current transfer ratio specifications differ between MOC212VM and the substitutes?

A: MOC212VM specifies 50% CTR @ 10mA. IL216AT specifies 50% CTR @ 1mA, providing equivalent performance at lower input current. IL215AT specifies 20% CTR @ 1mA, which is lower but acceptable for applications not requiring the higher CTR. Verify your circuit's input current and switching requirements against the substitute part's CTR specification.

Q: Are the substitute parts compliant with current regulatory standards?

A: Both IL215AT and IL216AT are ROHS3 compliant. The original MOC212VM is listed as REACH Unaffected. Both substitutes meet current environmental and regulatory requirements for new designs and production.

Q: What is the difference between IL215AT and IL216AT packaging options?

A: IL215AT is supplied in Tape & Reel (TR) format. IL216AT is supplied in Cut Tape (CT) & Digi-Reel® format. Both are 8-SOIC packages suitable for automated assembly. Select based on your procurement and assembly process requirements.

Q: Can I use these substitutes in applications requiring the full -40°C ~ 100°C temperature range?

A: Yes. Both IL215AT and IL216AT support -55°C ~ 100°C operating temperature, which exceeds the original -40°C ~ 100°C specification. They are suitable for all temperature conditions specified for the MOC212VM.