CMDA5DR7D1Z Red LED SMD Equivalent & Substitute Parts

Part Overview

The CMDA5DR7D1Z is a red LED indication component manufactured by Visual Communications Company (VCC), designed for surface mount, right-angle applications. This discrete 1.7V LED features a diffused lens with a 1.40mm x 1.25mm rectangular form factor and 11.7mcd brightness rating. The component is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure supply chain availability for new production runs and legacy system support.

Substiute Parts

CMDA5DR7D1Z

Visual Communications Company - VCCIn Stock: 764CMDA5DR7D1Z Datasheet

Current PartRFQ

7012X1

Visual Communications Company - VCCIn Stock: 21477012X1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CMDA5DR7D1Z is determined by the following critical parameters that must remain constant or compatible:

Mandatory Matching Parameters:

• Color: Red
• Voltage - Forward (Vf) Typical: 1.7V
• Current - Test: 20mA
• Millicandela Rating: 11.7mcd
• Wavelength - Peak: 660nm
• RoHS Status: ROHS3 Compliant
• Manufacturer: Visual Communications Company (VCC)

Allowable Variations:

• Lens Transparency: Diffused to Clear (optical characteristic change acceptable for indication applications)
• Mounting Type: Right Angle to Standard Surface Mount (mechanical orientation change)
• Package / Case: 2-SMD No Lead to 0805 (2012 Metric) (standardized package format)
• Lens Size: Minor dimensional variation within tolerance
• Moisture Sensitivity Level: 4 to 2 (improvement in moisture resistance)

The substitute part 7012X1 maintains electrical equivalence while offering improved packaging standardization and active product status.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: 7012X1

The 7012X1 is the direct electrical equivalent for the obsolete CMDA5DR7D1Z. Selection of this substitute is based on the following engineering criteria:

Electrical Equivalence: Both components operate at identical forward voltage (1.7V), test current (20mA), brightness (11.7mcd), and peak wavelength (660nm). These parameters ensure functional interchangeability in red LED indication circuits.

Compliance Status: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for new designs and legacy system replacements.

Product Status Advantage: The 7012X1 is classified as active product status with 2106 units in stock, compared to the obsolete CMDA5DR7D1Z with limited remaining inventory (682 units). This ensures long-term supply chain continuity.

Packaging Standardization: The 7012X1 utilizes the industry-standard 0805 (2012 Metric) package format with specified height (0.79mm maximum), providing improved design documentation and manufacturing process compatibility compared to the proprietary 2-SMD no-lead configuration.

Moisture Resistance Improvement: The 7012X1 features MSL 2 (1 Year) compared to MSL 4 (72 Hours), reducing moisture sensitivity risk in storage and assembly environments.

Optical Characteristic Variation: The 7012X1 features a clear lens versus the diffused lens of the CMDA5DR7D1Z. This change affects light distribution characteristics. Clear lenses produce more directional light output, while diffused lenses scatter light more broadly. Design validation is required to confirm this optical change is acceptable for the specific application's viewing angle and brightness distribution requirements.

Frequently Asked Questions (FAQ)

Q: Can the 7012X1 directly replace the CMDA5DR7D1Z without circuit modification?

A: The 7012X1 is electrically equivalent and operates at identical voltage and current specifications. However, the change from diffused to clear lens optics may affect light distribution in the application. Circuit modification is not required, but optical performance validation is necessary to confirm the clear lens output meets application requirements.

Q: What is the primary reason for substitution?

A: The CMDA5DR7D1Z is classified as obsolete product status. The 7012X1 is an active product with equivalent electrical specifications and improved supply availability, ensuring design continuity and manufacturing feasibility.

Q: Are there dimensional compatibility concerns?

A: The 7012X1 uses the standard 0805 (2012 Metric) package format (2.00mm L x 1.25mm W x 0.79mm H maximum) compared to the CMDA5DR7D1Z proprietary 2-SMD no-lead format (2.00mm L x 0.80mm W). The width dimension increases by 0.45mm. PCB footprint redesign is required to accommodate the 0805 package geometry.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both the CMDA5DR7D1Z and 7012X1 are ROHS3 compliant and REACH unaffected, satisfying current regulatory requirements for electronic component manufacturing and distribution.

Q: What is the difference between diffused and clear lens transparency?

A: Diffused lenses scatter light output across a broader viewing angle with reduced peak brightness in the direct viewing direction. Clear lenses concentrate light output in a more directional pattern with higher brightness in the forward direction. The 7012X1 clear lens may produce different visual appearance and viewing angle characteristics compared to the diffused CMDA5DR7D1Z.

Q: Is the 7012X1 available in the same packaging format?

A: No. The 7012X1 is supplied in Cut Tape (CT) and Digi-Reel® packaging, which are standard industry formats for 0805 components. The CMDA5DR7D1Z packaging format is not specified in available documentation. Confirm packaging compatibility with your procurement and assembly processes.

Q: What is the moisture sensitivity implication?

A: The 7012X1 features MSL 2 (1 Year shelf life at 30°C/60% RH) compared to the CMDA5DR7D1Z MSL 4 (72 Hours). This represents improved moisture resistance, reducing risk of component degradation during storage and reducing bake-out requirements prior to assembly.