SCP8WT78HPL1WLS06E LED Equivalent & Substitute Parts

Part Overview

The SCP8WT78HPL1WLS06E is a warm white LED from Samsung Semiconductor's LM101A series, designed for surface mount applications requiring 2700K color temperature with 5-Step MacAdam Ellipse specification. This component operates at 2.9V forward voltage with 150mA test current, delivering 53 lumens at 85°C in a compact 0505 (1313 Metric) package.

The product status is listed as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity. Substitute components must maintain compatibility with existing PCB layouts, thermal management strategies, and optical performance specifications while accommodating available inventory and active product status where possible.

Substiute Parts

SCP8WT78HPL1WLS06E

Samsung Semiconductor, Inc.In Stock: 750SCP8WT78HPL1WLS06E Datasheet

Current PartRFQ

SCP8WT78HEL1WLS06E

Samsung Semiconductor, Inc.In Stock: 22587SCP8WT78HEL1WLS06E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution analysis for the SCP8WT78HPL1WLS06E is based on the following criteria derived from provided specifications:

Color and Optical Compatibility: The substitute must maintain 2700K warm white color temperature with 5-Step MacAdam Ellipse specification and CRI of 80 to ensure consistent color rendering in end-use applications.

Electrical Compatibility: Forward voltage and test current parameters determine circuit design feasibility. Substitutes with significantly different Vf or operating current may require circuit redesign.

Package and Mechanical Compatibility: The 0505 (1313 Metric) surface mount package defines PCB footprint constraints. Substitutes with different package sizes require PCB layout modifications.

Optical Performance: Luminous flux output and viewing angle specifications define the light output and distribution characteristics required for the application.

Regulatory and Environmental Compliance: RoHS compliance status and moisture sensitivity level (MSL 2A) must be maintained for supply chain and manufacturing process compatibility.

The identified substitute SCP8WT78HEL1WLS06E shares the same base product number (SCP8WT78) and manufacturer, indicating design family relationship. However, this substitute represents a different series (LM101B) with distinct package, electrical, and optical characteristics that require engineering evaluation for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution Assessment: The SCP8WT78HEL1WLS06E cannot serve as a direct drop-in replacement for the SCP8WT78HPL1WLS06E due to package incompatibility. The 0606 (1616 Metric) package requires a different PCB footprint than the 0505 (1313 Metric) package of the main part.

Electrical Compatibility: While forward voltage differs by only 0.1V (2.9V vs 2.8V), the test current specification differs substantially (150mA vs 65mA). This indicates the substitute operates at a different design point and may not deliver equivalent luminous output under identical circuit conditions.

Optical Performance Variance: The substitute exhibits higher efficiency (170 lm/W vs 122 lm/W) but narrower viewing angle (120° vs 150°). Luminous flux comparison is complicated by different test conditions (25°C vs 85°C), preventing direct output equivalence assessment.

Product Status and Supply Continuity: The substitute maintains Active product status with substantially higher inventory availability (22568 Pcs vs 710 Pcs), supporting long-term supply chain reliability. Both components meet RoHS compliance and identical moisture sensitivity requirements.

Implementation Path: Substitution requires PCB redesign to accommodate the larger 0606 package footprint and circuit modification to account for different electrical operating characteristics. Engineering validation must confirm optical and thermal performance adequacy for the specific application.

Frequently Asked Questions (FAQ)

Q: Can the SCP8WT78HEL1WLS06E replace the SCP8WT78HPL1WLS06E without PCB modification?

A: No. The substitute uses a 0606 (1616 Metric) package versus the 0505 (1313 Metric) package of the main part. PCB footprint redesign is required.

Q: Are the color specifications identical between these parts?

A: Yes. Both components specify 2700K warm white color temperature with 5-Step MacAdam Ellipse and CRI of 80, ensuring identical color point and rendering characteristics.

Q: What is the impact of the 0.1V forward voltage difference?

A: The 2.9V to 2.8V difference is minor and typically manageable in most LED driver circuits. However, circuit validation is recommended to confirm adequate performance margin.

Q: Why do the test currents differ so significantly (150mA vs 65mA)?

A: The different test currents indicate these components are designed for different operating points within their respective series. The substitute operates at lower current, affecting luminous output and power consumption characteristics.

Q: How do the luminous flux values compare?

A: Direct comparison is limited because test conditions differ (85°C vs 25°C). The main part delivers 53lm at 85°C and 150mA, while the substitute delivers 31lm at 25°C and 65mA. Normalized comparison requires thermal and current adjustment calculations.

Q: Does the narrower viewing angle (120° vs 150°) affect compatibility?

A: Yes, if the application requires the 150° wide-angle distribution of the main part. The substitute's 120° angle provides more concentrated light distribution, which may or may not be acceptable depending on optical design requirements.

Q: Are both components RoHS compliant?

A: Yes. Both the SCP8WT78HPL1WLS06E and SCP8WT78HEL1WLS06E are RoHS Compliant with identical MSL 2A (4 Weeks) moisture sensitivity specifications.

Q: What is the inventory advantage of the substitute?

A: The substitute has 22568 pieces in stock versus 710 pieces for the main part, providing significantly better supply chain availability and supporting production continuity for new designs.

Q: Can I use the substitute in existing designs without modification?

A: No. The different package size requires PCB layout changes, and the different electrical characteristics require circuit validation. This is not a plug-and-play replacement.

Q: Which component should I select for new designs?

A: For new designs, the SCP8WT78HEL1WLS06E (substitute) is preferable due to Active product status, higher inventory availability, and superior efficiency (170 lm/W vs 122 lm/W). However, the 0606 package size and narrower viewing angle must align with application requirements.