MDA6441C 14-Segment Alphanumeric Display Module

Part Overview

The MDA6441C is a 2-character, 14-segment alphanumeric LED display module manufactured by onsemi. It features a green LED display with common cathode configuration, designed for applications requiring alphanumeric character display capabilities. The product is currently obsolete, making equivalent substitute parts necessary for new designs and ongoing production support.

Substiute Parts

MDA6441C

onsemiIn Stock: 783MDA6441C Datasheet

Current PartRFQ

LTP-3784G

Lite-On Inc.In Stock: 831LTP-3784G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MDA6441C is determined by the following critical parameters:

• Display Configuration: 2-character, 14-segment alphanumeric display
• Common Pin Type: Common cathode architecture
• Color: Green LED
• Character Size: 0.54" (13.72mm)
• Electrical Specifications: Forward voltage 2.1V, test current 20mA
• Package Type: 18-DIP with 14 leads
• Physical Form Factor: Dimensions within acceptable tolerance for PCB mounting

The LTP-3784G from Lite-On Inc. meets all critical substitution criteria. It maintains identical display type, common cathode configuration, character count, color, character size, forward voltage, test current, and package format. Physical dimensions are within acceptable manufacturing tolerance. The substitute part is currently in active production status.

Parameter Comparison

Engineering Selection Recommendations

The LTP-3784G is a direct functional equivalent for the obsolete MDA6441C. Both parts share identical electrical specifications, display architecture, and package format. The LTP-3784G is currently in active production status, ensuring availability for new designs and production continuity.

The LTP-3784G is RoHS3 compliant, meeting current environmental and regulatory requirements. The MDA6441C, as an obsolete part, does not carry current compliance certifications.

Physical dimensions between the two parts are within standard manufacturing tolerance (less than 0.002" variation in height and width), ensuring compatibility with existing PCB layouts designed for the MDA6441C.

The wavelength difference (570nm vs 565nm) and millicandela rating difference (5mcd vs 2.3mcd) represent minor variations within the green LED spectrum and brightness characteristics. These differences do not affect functional compatibility in standard alphanumeric display applications.

Frequently Asked Questions (FAQ)

Q: Can the LTP-3784G replace the MDA6441C in existing designs?

A: Yes. Both parts use identical 18-DIP package format with 14 leads, common cathode configuration, and matching electrical specifications (2.1V forward voltage, 20mA test current). Physical dimensions are within acceptable tolerance for direct PCB substitution.

Q: What is the difference in brightness between these parts?

A: The MDA6441C has a 5mcd millicandela rating, while the LTP-3784G has a 2.3mcd rating. This represents a difference in brightness intensity. Applications requiring specific brightness levels should evaluate this parameter against design requirements.

Q: Are there wavelength differences between these parts?

A: The MDA6441C has a peak wavelength of 570nm, while the LTP-3784G has a peak wavelength of 565nm. Both are within the green LED spectrum. The 5nm difference is not visually significant in standard display applications.

Q: What is the power dissipation difference?

A: The MDA6441C has a maximum power dissipation of 70mW, while the LTP-3784G has a maximum power dissipation of 75mW. Both values are within acceptable limits for standard circuit design. The 5mW difference does not require circuit redesign.

Q: Why is the MDA6441C obsolete?

A: The MDA6441C is listed as obsolete by onsemi. The LTP-3784G from Lite-On Inc. is an active production part that fulfills the same functional requirements.

Q: Are there compliance differences between these parts?

A: The LTP-3784G is RoHS3 compliant. The MDA6441C, as an obsolete part, does not carry current compliance certifications. For new designs subject to RoHS requirements, the LTP-3784G is the appropriate selection.

Q: What packaging is available for the LTP-3784G?

A: The LTP-3784G is supplied in tube packaging. The MDA6441C packaging format is not specified in the provided data.