MCT2E-V Optoisolator Equivalent & Substitute Parts

Part Overview

The MCT2E-V is a 5000Vrms isolation optoisolator with transistor output and base connection, manufactured by Everlight Electronics Co Ltd in a 6-DIP through-hole package. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

The MCT2E-V serves applications requiring galvanic isolation with DC input control and transistor-based output switching. Due to its obsolete status, substitute parts must maintain electrical and mechanical compatibility across isolation voltage, switching characteristics, output voltage ratings, and package form factor.

Substiute Parts

MCT2E-V

Everlight Electronics Co LtdIn Stock: 850MCT2E-V Datasheet

Current PartRFQ

MCT2E

onsemiIn Stock: 1440MCT2E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCT2E-V is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Isolation voltage rating must equal or exceed 5000Vrms
• Output configuration must be transistor with base connection
• Package must be 6-DIP through-hole form factor
• Current transfer ratio minimum must be 20% @ 10mA or greater
• Vce saturation must not exceed 400mV
• Input type must be DC

Functional Equivalence Parameters:

• Single-channel configuration
• Operating temperature range must encompass or overlap -55°C to 110°C
• Output voltage rating must support 80V or higher
• Forward voltage and forward current ratings must be compatible with input circuit design

The MCT2E (onsemi) meets these criteria as a direct substitute, maintaining the same package, isolation class, output configuration, and core electrical specifications while offering enhanced isolation voltage (5300Vrms) and improved switching performance.

Parameter Comparison

Engineering Selection Recommendations

MCT2E (onsemi) as Primary Substitute:

The MCT2E from onsemi is the direct functional equivalent for MCT2E-V replacement. Both components share identical package geometry, pin configuration, isolation voltage class, output topology, and core electrical specifications. The onsemi variant is currently in active production status, addressing the obsolescence of the Everlight part.

Application-Specific Considerations:

Applications operating at output voltages exceeding 30V require circuit-level evaluation. The MCT2E-V supports 80V maximum output, while the MCT2E is rated to 30V. Designs utilizing the full 80V output capability of the original part must confirm compatibility with the onsemi substitute's 30V rating or implement external voltage limiting.

Applications requiring sustained operation above 100°C must account for the MCT2E's maximum operating temperature of 100°C versus the MCT2E-V's 110°C upper limit.

Compliance and Certification:

Both parts carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications. The onsemi MCT2E carries REACH Unaffected status. Both maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can the MCT2E directly replace the MCT2E-V in existing PCB designs?

A: Yes, the MCT2E is pin-compatible and mechanically identical in 6-DIP package configuration. No PCB modifications are required for physical installation. Electrical compatibility must be verified for applications utilizing output voltages above 30V.

Q: What is the primary difference between MCT2E-V and MCT2E?

A: The MCT2E-V (Everlight) is obsolete; the MCT2E (onsemi) is the current production equivalent. The onsemi part offers higher isolation voltage (5300Vrms vs 5000Vrms), faster turn-on time (1.1µs vs 3µs), and higher input current capacity (100mA vs 60mA). The MCT2E has a lower maximum output voltage rating (30V vs 80V) and slightly lower maximum operating temperature (100°C vs 110°C).

Q: Are there any switching speed implications when substituting MCT2E for MCT2E-V?

A: The MCT2E exhibits faster turn-on (1.1µs vs 3µs) but slower turn-off (50µs vs 3µs). Applications with strict turn-off timing requirements must evaluate the 50µs turn-off characteristic against original design specifications.

Q: What package options are available for this optoisolator family?

A: Both the MCT2E-V and MCT2E are supplied in 6-DIP (0.300", 7.62mm) through-hole package only. No surface-mount variants are available for this specific part number.

Q: Is the MCT2E suitable for high-temperature applications?

A: The MCT2E operates to 100°C maximum. Applications requiring sustained operation above 100°C cannot use this substitute. The original MCT2E-V supported 110°C operation; alternative parts with higher temperature ratings must be evaluated separately.

Q: What is the isolation voltage margin between MCT2E-V and MCT2E?

A: The MCT2E provides 300Vrms additional isolation margin (5300Vrms vs 5000Vrms). This enhanced isolation rating provides additional safety margin in high-voltage isolation applications.

Q: Are input and output circuit parameters identical between these parts?

A: Core parameters are identical: 20% minimum current transfer ratio, 400mV maximum Vce saturation, and transistor-with-base output configuration. Input forward voltage differs marginally (1.23V vs 1.25V). Input current capacity is higher on the MCT2E (100mA vs 60mA).