MV64538MP7 Equivalent & Substitute Parts

Part Overview

The MV64538MP7 is a Circuit Board Indicator LED manufactured by onsemi, featuring a 5mm green diffused lens with right-angle through-hole mounting. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part delivers 26 millicandela at 20mA forward current with a 2.2V forward voltage rating and 65° viewing angle, suitable for standard indicator applications requiring green status signaling.

Substiute Parts

MV64538MP7

onsemiIn Stock: 1088MV64538MP7 Datasheet

Current PartRFQ

WP73JB/GDA

KingbrightIn Stock: 3198WP73JB/GDA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MV64538MP7 is determined by the following critical parameters:

• Color: Green (exact match required)
• Configuration: Single LED (exact match required)
• Forward Voltage: 2.2V (exact match required)
• Mounting Type: Through Hole, Right Angle (exact match required)
• Lens Type: Diffused, Tinted (exact match required)

The WP73JB/GDA from Kingbright satisfies all mandatory substitution criteria. While this substitute exhibits higher forward current (25mA vs. 20mA) and increased luminous intensity (40mcd vs. 26mcd), these parameters remain within acceptable tolerance for circuit board indicator applications and do not compromise functional compatibility when properly integrated into existing designs.

Parameter Comparison

Engineering Selection Recommendations

The WP73JB/GDA is the qualified substitute for the obsolete MV64538MP7. Selection is supported by the following factors:

• Product Status: The WP73JB/GDA maintains active production status, ensuring long-term availability and supply chain continuity.
• Compliance Alignment: Both components share identical REACH and ECCN classifications, maintaining regulatory compliance across applications.
• Electrical Compatibility: Forward voltage (2.2V) and mounting configuration are identical, enabling direct circuit integration without redesign.
• Mechanical Compatibility: Both components feature right-angle through-hole mounting, supporting existing PCB layouts and assembly processes.

The higher forward current specification (25mA) of the WP73JB/GDA requires circuit-level current limiting verification to ensure compatibility with existing resistor networks and power budgets.

Frequently Asked Questions (FAQ)

Q: Can the WP73JB/GDA directly replace the MV64538MP7 without circuit modification?

A: The WP73JB/GDA is mechanically and electrically compatible for direct mounting. However, the increased forward current rating (25mA vs. 20mA) requires verification that existing current-limiting resistors accommodate the higher current draw. Forward voltage remains constant at 2.2V, eliminating voltage-level concerns.

Q: What is the significance of the viewing angle difference (65° vs. 60°)?

A: The MV64538MP7 provides a 65° viewing angle, while the WP73JB/GDA offers 60°. This 5° reduction in viewing angle is negligible for standard circuit board indicator applications and does not impact functional performance in typical mounting orientations.

Q: Why does the WP73JB/GDA have higher millicandela rating (40mcd vs. 26mcd)?

A: The increased luminous intensity of the WP73JB/GDA results from its higher forward current specification and optimized lens design. This enhancement improves visibility without compromising compatibility, provided circuit current limiting is appropriately configured.

Q: Are there packaging differences between these components?

A: The MV64538MP7 is supplied in standard packaging, while the WP73JB/GDA is supplied in bulk packaging. Both components maintain identical through-hole, right-angle mounting specifications and are compatible with standard PCB assembly processes.

Q: What is the moisture sensitivity level for both components?

A: Both the MV64538MP7 and WP73JB/GDA are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard storage and handling procedures apply without special environmental controls.