MCT5201300 Equivalent & Substitute Parts

Part Overview

The MCT5201300 is an optoisolator transistor with base output manufactured by onsemi, designed for high-voltage isolation applications requiring 5300Vrms isolation rating. This component features a single-channel configuration in a 6-DIP package with transistor output and integrated base connection. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

MCT5201300

onsemiIn Stock: 922MCT5201300 Datasheet

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MCT5210M

onsemiIn Stock: 9733MCT5210M Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the MCT5201300 is evaluated based on the following critical parameters that define functional compatibility:

Package Compatibility: Both the main part and substitute must use 6-DIP (0.300", 7.62mm) through-hole mounting to ensure direct board-level compatibility without layout modifications.

Output Configuration: The substitute must provide transistor output with base connection, maintaining the same control interface and signal characteristics.

Isolation Voltage: The MCT5201300 specifies 5300Vrms isolation. Substitutes with lower isolation ratings (such as 4170Vrms) may be considered for applications where the full isolation specification is not required, provided system design margins remain adequate.

Electrical Performance: Output voltage (30V max), output current (150mA per channel), and saturation voltage (400mV max) must be maintained or exceeded to preserve circuit functionality.

Operating Temperature Range: The MCT5201300 operates from -55°C to 100°C. Substitutes with narrower temperature ranges may be acceptable depending on application requirements.

Parameter Comparison

Engineering Selection Recommendations

The MCT5210M is available as an active product from onsemi with current manufacturing and supply chain support, addressing the obsolescence status of the MCT5201300. Both components share identical package geometry, output configuration, and primary electrical characteristics including output voltage, output current, and saturation voltage specifications.

The primary design consideration is the isolation voltage differential: the MCT5210M provides 4170Vrms isolation compared to the MCT5201300's 5300Vrms specification. This represents a 1130Vrms reduction in isolation capability. Selection of the MCT5210M is appropriate for applications where the system design margin accommodates the lower isolation rating and where the full 5300Vrms specification is not a mandatory requirement.

The MCT5210M operates across a narrower temperature range (-40°C to 100°C) compared to the MCT5201300 (-55°C to 100°C). Applications requiring operation below -40°C must retain the original specification or identify alternative solutions.

Both components maintain REACH compliance and equivalent regulatory status, supporting continued use in regulated applications.

Frequently Asked Questions (FAQ)

Q: Can the MCT5210M directly replace the MCT5201300 in existing designs?

A: Direct pin-for-pin replacement is possible due to identical 6-DIP package geometry and matching output configuration. However, the reduced isolation voltage (4170Vrms vs. 5300Vrms) must be evaluated against system isolation requirements and design margins before implementation.

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

A: Isolation voltage specifies the maximum voltage that can be safely applied across the optoisolator's internal barrier without breakdown. The MCT5210M's 4170Vrms rating is approximately 79% of the MCT5201300's 5300Vrms rating. Applications designed for the higher specification require verification that system operating voltages remain within the MCT5210M's capability.

Q: Are there temperature range limitations when substituting the MCT5210M?

A: Yes. The MCT5210M operates from -40°C to 100°C, while the MCT5201300 operates from -55°C to 100°C. Applications requiring operation below -40°C cannot use the MCT5210M as a substitute.

Q: Do both parts have equivalent current transfer ratios?

A: No. The MCT5201300 specifies a minimum current transfer ratio of 120% at 5mA input, while the MCT5210M specifies 70% at 3mA input. The MCT5201300 provides superior current transfer efficiency. Circuit designs relying on the higher transfer ratio of the MCT5201300 may require input current adjustments when using the MCT5210M.

Q: What is the packaging difference between these optoisolators?

A: The MCT5201300 is supplied in standard packaging, while the MCT5210M is supplied in tube packaging. Both use identical 6-DIP (0.300", 7.62mm) through-hole package geometry, ensuring mechanical compatibility on printed circuit boards.

Q: Are both parts compliant with current regulatory requirements?

A: Yes. Both the MCT5201300 and MCT5210M maintain REACH compliance and equivalent regulatory status, supporting use in regulated applications.