SLM8305GD5V LED Circuit Board Indicator Equivalent & Substitute Parts

Part Overview

The SLM8305GD5V is a 5mm green diffused LED circuit board indicator manufactured by Bivar Inc., designed for 5V applications with a 12mA operating current. This component is classified as obsolete, making identification of functionally equivalent substitute parts essential for ongoing design support and procurement continuity. The part features a round domed top lens configuration typical of T-1 3/4 form factor indicators used in control panels and status display applications.

Substiute Parts

SLM8305GD5V

Bivar Inc.In Stock: 930SLM8305GD5V Datasheet

Current PartRFQ

WP934AD/GD

KingbrightIn Stock: 10971WP934AD/GD Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute identification for the SLM8305GD5V is based on the following electrical and mechanical compatibility criteria:

Primary Matching Criteria:

• Color specification: Green (568nm wavelength)
• Lens configuration: Diffused, round domed top
• Brightness level: 25mcd millicandela rating
• Viewing angle: 40° minimum
• Configuration: Single LED element
• Through-hole mounting capability

Secondary Compatibility Factors:

• Voltage rating and current specifications must be evaluated within the context of circuit design flexibility
• Physical form factor (5mm vs. 3mm) represents a dimensional variation that affects panel integration
• Product status (active vs. obsolete) influences long-term availability and supply chain reliability

The WP934AD/GD from Kingbright meets the core optical and functional requirements (green color, 568nm wavelength, 25mcd brightness, 40° viewing angle, diffused lens, through-hole mounting) while introducing variations in voltage rating (2V vs. 5V), current specification (25mA vs. 12mA), and physical size (3mm vs. 5mm). These differences require circuit-level evaluation but do not preclude functional substitution in applications where design parameters can accommodate the variations.

Parameter Comparison

Engineering Selection Recommendations

Substitution Feasibility:

The WP934AD/GD qualifies as a functional equivalent for the obsolete SLM8305GD5V based on matching optical specifications (green color, 568nm wavelength, 25mcd brightness, 40° viewing angle, diffused lens configuration). Both components share identical color characteristics and brightness ratings, ensuring visual performance parity in status indication applications.

Design Considerations:

1. Voltage and Current Specifications: The WP934AD/GD operates at 2V with 25mA current versus the SLM8305GD5V at 5V with 12mA. Circuit redesign is required to accommodate the lower voltage rating and higher current draw. Series resistor values must be recalculated based on the actual supply voltage and desired operating current.

2. Physical Form Factor: The 3mm lens size of the WP934AD/GD differs from the 5mm T-1 3/4 form factor of the SLM8305GD5V. Panel cutout dimensions and mounting hole spacing must be verified for compatibility. The smaller 3mm package may require mechanical adaptation in existing panel designs.

3. Product Status and Compliance: The WP934AD/GD is classified as active with documented ROHS3 compliance and REACH unaffected status, providing superior supply chain continuity and regulatory documentation compared to the obsolete SLM8305GD5V.

4. Mounting Configuration: The WP934AD/GD offers right-angle through-hole mounting as a standard option, providing design flexibility for applications requiring non-perpendicular PCB orientation.

Procurement Strategy:

For new designs or redesigns, the WP934AD/GD is the preferred selection due to active product status and regulatory compliance documentation. For existing designs using the SLM8305GD5V, substitution requires circuit-level validation and mechanical integration assessment.

Frequently Asked Questions (FAQ)

Q: Can the WP934AD/GD directly replace the SLM8305GD5V without circuit modification?

A: No. While both components share identical optical specifications (green color, 568nm wavelength, 25mcd brightness, 40° viewing angle), the WP934AD/GD operates at 2V with 25mA current compared to the SLM8305GD5V at 5V with 12mA. Series resistor values and power supply voltage must be recalculated for the substitute part. Direct pin-for-pin substitution without circuit redesign will result in incorrect brightness or component failure.

Q: What are the key optical parameters that make these parts equivalent?

A: The SLM8305GD5V and WP934AD/GD share four critical optical specifications: green color (568nm wavelength), 25mcd brightness rating, 40° viewing angle, and diffused lens configuration with round domed top. These parameters determine visual performance in status indication applications. Differences in voltage rating, current specification, and physical size do not affect optical equivalence.

Q: Does the 3mm vs. 5mm size difference affect functionality?

A: The size difference affects mechanical integration, not optical or electrical functionality. The 3mm lens of the WP934AD/GD requires different panel cutout dimensions and mounting hole spacing compared to the 5mm T-1 3/4 form factor of the SLM8305GD5V. Existing panel designs must be assessed for compatibility or modified to accommodate the smaller package.

Q: Are there compliance or supply chain advantages to using the WP934AD/GD?

A: Yes. The WP934AD/GD is classified as an active product with documented ROHS3 compliance and REACH unaffected status. The SLM8305GD5V is obsolete, creating long-term supply and support risks. For new designs or redesigns, the WP934AD/GD provides superior regulatory documentation and procurement continuity.

Q: What circuit modifications are required to use the WP934AD/GD as a substitute?

A: The primary modification involves series resistor recalculation. The WP934AD/GD operates at 2V with 25mA, while the SLM8305GD5V operates at 5V with 12mA. If your circuit supplies 5V, the series resistor for the WP934AD/GD must be calculated as (5V - 2V) / 25mA = 120Ω. If your circuit supplies 2V, no resistor modification is needed. Power dissipation in the resistor and LED must be verified to ensure component ratings are not exceeded.

Q: Can the WP934AD/GD be used in right-angle mounting applications?

A: Yes. The WP934AD/GD is available with right-angle through-hole mounting as a standard option, providing design flexibility for applications requiring non-perpendicular PCB orientation. Standard through-hole mounting is also available for conventional vertical installation.

Q: Are the MSL (Moisture Sensitivity Level) ratings identical?

A: Yes. Both the SLM8305GD5V and WP934AD/GD carry an MSL rating of 1 (Unlimited), indicating no moisture sensitivity constraints during storage, handling, or assembly. Standard storage and handling procedures apply to both components.