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Dialight 5510507 LED Circuit Board Indicator - Equivalent & Substitute Parts
Part Overview
The Dialight 5510507 is a 3mm red LED circuit board indicator designed for 5V applications with 10mA current consumption. This component features a diffused, tinted lens with a round domed top and is configured for through-hole, right-angle mounting on PCBs. The part is classified as obsolete, making identification of suitable substitutes essential for ongoing production and maintenance applications. Active equivalent and similar alternatives are available from both the original manufacturer and qualified suppliers.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Dialight |
| Part Number | 5510507 |
| Series | 551 |
| Product Status | Obsolete |
| Color | Red |
| Wavelength - Peak | 635nm |
| Configuration | Single |
| Voltage Rating | 5V |
| Current | 10mA |
| Millicandela Rating | 29mcd |
| Viewing Angle | 60° |
| Lens Type | Diffused, Tinted |
| Lens Style | Round with Domed Top |
| Lens Size | 3.00mm Dia |
| Mounting Type | Through Hole, Right Angle |
| Moisture Sensitivity Level | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
Substitute Part Grouping Explanation
Substitution for the Dialight 5510507 is determined by strict alignment of the following critical parameters:
Direct Manufacturer Equivalent: The Dialight 5510507F is the active production equivalent from the original manufacturer. This part maintains identical electrical specifications (5V, 10mA, 635nm peak wavelength, 29mcd brightness, 60° viewing angle) and mechanical form factor (3mm T-1 through-hole, right-angle mount, diffused tinted lens with domed top). The primary difference is product status (active vs. obsolete) and packaging format (bulk vs. standard). This part is ROHS3 compliant and carries the same regulatory certifications.
Similar Manufacturer Alternative: The Lumex Opto/Components Inc. SSF-LXH103ID-5V provides functional equivalence with specified parameter variations. This part shares the same voltage rating (5V), form factor (3mm T-1 through-hole, right-angle mount), lens type (diffused, tinted, round domed top), and wavelength (635nm). Electrical differences include current consumption (12mA vs. 10mA) and brightness rating (9mcd vs. 29mcd), with an expanded viewing angle (80° vs. 60°). Both parts are ROHS3 compliant and REACH unaffected.
Parameter Comparison
| Parameter | 5510507 (Main) | 5510507F (Direct Equivalent) | SSF-LXH103ID-5V (Similar) |
|---|---|---|---|
| Manufacturer | Dialight | Dialight | Lumex Opto/Components Inc. |
| Product Status | Obsolete | Active | Active |
| Color | Red | Red | Red |
| Wavelength - Peak | 635nm | 635nm | 635nm |
| Voltage Rating | 5V | 5V | 5V |
| Current | 10mA | 10mA | 12mA |
| Millicandela Rating | 29mcd | 29mcd | 9mcd |
| Viewing Angle | 60° | 60° | 80° |
| Lens Type | Diffused, Tinted | Diffused, Tinted | Diffused, Tinted |
| Lens Style | Round with Domed Top | Round with Domed Top | Round with Domed Top |
| Lens Size | 3.00mm Dia | 3mm, T-1 | 3mm, T-1 |
| Mounting Type | Through Hole, Right Angle | Through Hole, Right Angle | Through Hole, Right Angle |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | Not specified | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 | EAR99 |
Engineering Selection Recommendations
For Direct Replacement: The Dialight 5510507F is the primary substitute for the obsolete 5510507. Both parts are from the same manufacturer, maintain identical electrical and optical specifications, and share the same mechanical form factor. The 5510507F carries active product status and ROHS3 compliance certification, making it suitable for new designs and ongoing production support.
For Alternative Sourcing: The Lumex Opto/Components Inc. SSF-LXH103ID-5V serves as a functional alternative when the direct Dialight equivalent is unavailable. This part meets the core voltage and mounting requirements with compatible wavelength and lens characteristics. The increased current consumption (12mA vs. 10mA) and reduced brightness (9mcd vs. 29mcd) must be evaluated against circuit design constraints. The expanded viewing angle (80° vs. 60°) may provide operational advantages in certain applications. Both substitute options carry ROHS3 compliance and REACH unaffected status.
Frequently Asked Questions (FAQ)
Q: Can the 5510507F be used as a direct drop-in replacement for the 5510507?
A: Yes. The 5510507F maintains identical electrical specifications (5V, 10mA), optical output (29mcd at 635nm), viewing angle (60°), and mechanical form factor (3mm T-1 through-hole, right-angle mount). The parts are functionally equivalent and mechanically compatible.
Q: What are the key differences between the Dialight 5510507F and the Lumex SSF-LXH103ID-5V?
A: The primary differences are brightness (29mcd vs. 9mcd), current consumption (10mA vs. 12mA), and viewing angle (60° vs. 80°). Both parts share the same voltage rating (5V), wavelength (635nm), lens type (diffused, tinted), and mounting configuration (3mm T-1 through-hole, right-angle). The Lumex part draws 2mA additional current and provides a wider viewing angle with lower brightness output.
Q: Are both substitute parts ROHS3 compliant?
A: Yes. The Dialight 5510507F and Lumex SSF-LXH103ID-5V are both ROHS3 compliant. Both parts are REACH unaffected and carry EAR99 export classification.
Q: What is the impact of the 12mA current requirement in the Lumex part versus the 10mA specification of the original?
A: The 2mA increase in current consumption must be evaluated within the context of the circuit's power budget and current-limiting resistor design. The higher current draw may require circuit recalculation to maintain proper LED operation and lifespan.
Q: Does the reduced brightness of the Lumex part (9mcd vs. 29mcd) affect visibility?
A: The Lumex part provides approximately one-third the brightness of the original specification. Application suitability depends on the intended use case, ambient lighting conditions, and visibility requirements. The expanded 80° viewing angle may partially offset the reduced brightness in certain mounting orientations.
Q: Are the mechanical dimensions identical between all three parts?
A: Yes. All three parts feature 3mm T-1 form factor with round domed top lens, diffused tinted appearance, and through-hole right-angle mounting. The mechanical footprint and PCB hole spacing are compatible across all options.
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