LED GREEN CLEAR 3MM T/H - 5219638F Equivalent & Substitute Parts

Part Overview

The Dialight 5219638F is an active green LED indication component designed for through-hole mounting applications. This discrete 3mm radial LED operates at 2.6V forward voltage with a 70mcd brightness rating and clear lens transparency, suitable for standard indicator applications requiring direct line-of-sight visibility. The component is ROHS3 compliant and maintains unlimited moisture sensitivity rating (MSL 1), making it suitable for general industrial and commercial environments. Substitute parts may be required due to inventory constraints, design revisions, or application-specific performance requirements.

Substiute Parts

5219638F

DialightIn Stock: 8855219638F Datasheet

Current PartRFQ

SSL-LX3044GD

Lumex Opto/Components Inc.In Stock: 35280SSL-LX3044GD Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5219638F is determined by the following critical parameters:

• Color and Wavelength: Green spectrum (peak 565nm) is mandatory for functional equivalence
• Mounting Type: Through-hole radial configuration required for PCB compatibility
• Lens Size: 3mm form factor for mechanical fit in standard indicator applications
• Voltage Range: Forward voltage tolerance within typical operating range (2.2V–2.6V acceptable for 20mA test current)
• Brightness: Millicandela rating must support visibility requirements; lower ratings acceptable if application permits
• Lens Transparency: Clear or diffused options both acceptable depending on application requirements
• Compliance: ROHS3 and REACH status must match or exceed original specification

The Lumex Opto/Components Inc. SSL-LX3044GD meets these substitution criteria with compatible electrical characteristics and mechanical form factor, though with modified lens transparency and brightness profile.

Parameter Comparison

Engineering Selection Recommendations

Both components maintain ROHS3 compliance and unlimited moisture sensitivity rating, qualifying them for equivalent use in standard through-hole LED indication circuits. The SSL-LX3044GD operates at 0.4V lower forward voltage (2.2V vs. 2.6V), reducing power dissipation by approximately 15% at 20mA test current. The diffused lens transparency provides wider light distribution (60° viewing angle vs. 45°) at the cost of reduced peak brightness (40mcd vs. 70mcd). The SSL-LX3044GD also features reduced maximum height (4.60mm vs. 5.86mm), accommodating space-constrained PCB layouts. Selection between these components depends on application requirements for brightness, viewing angle, and available board height.

Frequently Asked Questions (FAQ)

Q: Can the SSL-LX3044GD directly replace the 5219638F in existing designs?

A: Mechanical and electrical compatibility is confirmed for through-hole mounting. The SSL-LX3044GD operates at lower forward voltage (2.2V vs. 2.6V) and reduced brightness (40mcd vs. 70mcd). Circuit redesign is not required, but brightness and viewing angle characteristics will differ. Verify application tolerance for these parameter changes before implementation.

Q: What is the impact of lens transparency differences?

A: The 5219638F features clear lens transparency with 45° viewing angle and 70mcd brightness. The SSL-LX3044GD uses diffused lens transparency with 60° viewing angle and 40mcd brightness. Clear lenses concentrate light output in a narrower cone; diffused lenses distribute light over a wider area. Select based on required visibility pattern and ambient lighting conditions.

Q: Are both components suitable for high-reliability applications?

A: Both components maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating. Both are classified as active products. Compliance certifications are equivalent. Application-specific reliability requirements should be evaluated independently.

Q: Does the height difference affect PCB layout?

A: The SSL-LX3044GD maximum height is 4.60mm compared to 5.86mm for the 5219638F. This 1.26mm reduction may accommodate space-constrained designs or allow for lower overall assembly profile. Verify clearance requirements in your specific application.

Q: What is the voltage drop impact on circuit design?

A: The SSL-LX3044GD operates at 2.2V forward voltage versus 2.6V for the 5219638F. At 20mA test current, this represents a 0.4V reduction. Existing current-limiting resistor values will remain functional; however, resistor power dissipation will decrease proportionally. Recalculation of resistor values is not required for standard indicator applications.