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LED Light Bar 15MM Square Green 104990098 Equivalent & Substitute Parts
Part Overview
The Seeed Technology 104990098 is a LED circuit board indicator light bar featuring a 15.00mm square diffused lens with flat top configuration. This component is designed for single DIP mounting applications requiring green indicator illumination at 140mA operating current. The part is classified as obsolete, necessitating identification of active equivalent components for new designs and ongoing production requirements. Substitute parts must maintain mechanical compatibility, optical characteristics, and electrical performance within acceptable parameters for indicator applications.
Substiute Parts
Key Parameters
| Parameter | Value | Significance for Substitution |
|---|---|---|
| Lens Size | 15.00mm | Physical footprint and mounting compatibility |
| Lens Style | Square with Flat Top | Mechanical fit and aesthetic consistency |
| Color | Green | Optical output specification |
| Configuration | Bar - Single, DIP | Electrical interface and circuit board integration |
| Lens Type | Diffused | Light distribution and viewing characteristics |
| Current Rating | 140mA | Power supply and circuit design compatibility |
| Moisture Sensitivity Level | 1 (Unlimited) | Storage and handling requirements |
Substitute Part Grouping Explanation
Substitute identification for the 104990098 is based on strict alignment of the following critical parameters:
Mechanical Compatibility: Lens size (15.00mm) and lens style (square with flat top) must match exactly to ensure proper mounting in existing PCB layouts and mechanical assemblies.
Optical Specification: Color (green) is mandatory for functional equivalence in indicator applications. Lens type (diffused) ensures consistent light distribution characteristics.
Electrical Interface: Configuration (bar - single, DIP) must remain constant to maintain circuit board connectivity and pin compatibility.
Environmental Classification: Moisture sensitivity level 1 (unlimited) indicates no special storage requirements and ensures compatibility with standard manufacturing and storage conditions.
The Kingbright DE4CGKD satisfies all mandatory mechanical and optical parameters. Current rating variance (150mA vs. 140mA) falls within acceptable tolerance for indicator circuit applications where the substitute operates at slightly elevated but compatible current levels.
Parameter Comparison
| Parameter | 104990098 (Seeed) | DE4CGKD (Kingbright) | Match Status |
|---|---|---|---|
| Lens Size | 15.00mm | 15.00mm | Exact Match |
| Lens Style | Square with Flat Top | Square with Flat Top | Exact Match |
| Color | Green | Green | Exact Match |
| Configuration | Bar - Single, DIP | Bar - Single, DIP | Exact Match |
| Lens Type | Diffused, White | Diffused, Tinted | Compatible |
| Current Rating | 140mA | 150mA | Compatible |
| Voltage Rating | Not Specified | 2.1V | Substitute Specified |
| Wavelength - Peak | Not Specified | 574nm | Substitute Specified |
| Millicandela Rating | Not Specified | 77mcd | Substitute Specified |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Exact Match |
| Product Status | Obsolete | Active | Substitute Active |
Engineering Selection Recommendations
The Kingbright DE4CGKD serves as the primary equivalent for the obsolete Seeed 104990098 based on the following engineering criteria:
Mechanical Compatibility: Identical lens dimensions (15.00mm square with flat top) ensure direct PCB mounting compatibility without layout modifications.
Optical Performance: Both components deliver green indicator illumination through diffused lens technology. The DE4CGKD provides specified optical parameters (574nm peak wavelength, 77mcd brightness) that support standard indicator circuit applications.
Electrical Compatibility: The 150mA current rating of the DE4CGKD represents a 7% increase over the 140mA specification of the 104990098. This variance is acceptable for indicator applications where circuit design accommodates the substitute's electrical characteristics.
Compliance and Availability: The DE4CGKD maintains active product status with ROHS3 compliance and REACH unaffected classification, ensuring long-term supply chain reliability and regulatory conformance. The component is available in tube packaging with 1409 units in current inventory.
Environmental Compatibility: Both components share MSL 1 (unlimited) classification, confirming equivalent handling and storage requirements.
Frequently Asked Questions (FAQ)
Q: Can the DE4CGKD directly replace the 104990098 in existing circuit boards?
A: Yes. The DE4CGKD maintains identical mechanical dimensions (15.00mm square lens), DIP configuration, and green color specification. No PCB layout modifications are required for direct substitution.
Q: What is the significance of the current rating difference (140mA vs. 150mA)?
A: The 10mA difference represents normal component variation within indicator circuit tolerances. Circuit designs accommodating the 104990098 at 140mA will operate the DE4CGKD within acceptable parameters. Current-limiting resistor values may require minor adjustment based on specific circuit voltage and brightness requirements.
Q: Are there differences between "Diffused, White" and "Diffused, Tinted" lens types?
A: Both lens types provide diffused light distribution suitable for indicator applications. The tinted lens of the DE4CGKD may produce slightly different color saturation compared to the white diffused lens of the 104990098. Both are functionally compatible for standard green indicator circuits.
Q: What packaging format is the DE4CGKD supplied in?
A: The DE4CGKD is supplied in tube packaging, standard for through-hole component distribution. The 104990098 packaging format was not specified in available documentation.
Q: Does the DE4CGKD meet current regulatory requirements?
A: Yes. The DE4CGKD is ROHS3 compliant and REACH unaffected, meeting current environmental and safety regulations. The obsolete 104990098 may not meet current compliance requirements, making the DE4CGKD the appropriate choice for new designs and production.
Q: Is the DE4CGKD available for immediate procurement?
A: Yes. The DE4CGKD is classified as active product status with 1409 units in current inventory, ensuring supply chain availability for production requirements.
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