SI-B8T52256CUS LED Module Equivalent & Substitute Parts

Part Overview

The SI-B8T52256CUS is a Samsung Semiconductor LED Module V-Series Gen2 linear light strip with neutral white output at 4000K color temperature. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity. The module delivers 8690 lumens at typical operating conditions with a forward voltage of 46.5V and operates at 1.12A test current.

Substiute Parts

SI-B8T52256CUS

Samsung Semiconductor, Inc.In Stock: 791SI-B8T52256CUS Datasheet

Current PartRFQ

SI-B8T923B20WW

Samsung Semiconductor, Inc.In Stock: 1052SI-B8T923B20WW Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SI-B8T52256CUS is determined by the following critical parameters:

Color Temperature Match: Both the main part and substitute maintain 4000K neutral white output, ensuring consistent color rendering in lighting applications.

Configuration Compatibility: Both components are linear light strip configurations with flat lens types, supporting identical mounting and optical integration requirements.

Color Rendering Index: Both parts maintain CRI of 80, preserving color accuracy specifications for the application.

Base Product Family: Both parts share the SI-B8 base product number, confirming compatibility within the Samsung V-Series LED module family.

Electrical Classification: Both components operate within the same forward voltage range and current specifications suitable for series-connected LED module applications.

Regulatory Compliance: Both parts carry identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications, ensuring equivalent export and tariff treatment.

The SI-B8T923B20WW represents an active-status successor within the V-Series product line, offering enhanced performance characteristics while maintaining core compatibility parameters.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The SI-B8T52256CUS is classified as obsolete, while the SI-B8T923B20WW maintains active product status with Samsung Semiconductor. Active status ensures continued availability, technical support, and supply chain reliability for new designs and production replenishment.

Compliance and Certification: Both parts carry identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications, confirming equivalent regulatory treatment and export compliance requirements.

Functional Equivalence: Both components deliver 4000K neutral white output with CRI 80, maintaining color temperature and color rendering specifications across applications. The shared SI-B8 base product number confirms family-level compatibility.

Performance Characteristics: The SI-B8T923B20WW operates at higher luminous flux output (16000lm versus 8690lm) and improved efficiency (176 lm/W versus 167 lm/W), representing a performance enhancement within the same product family.

Physical Integration: The substitute part features reduced height (3.70mm versus 5.50mm) and doubled length (1120mm versus 560mm), requiring verification of mechanical fit within existing mounting structures and optical integration requirements.

Electrical Parameters: Forward voltage remains within compatible range (45V versus 46.5V). Test current increases from 1.12A to 2.02A, necessitating driver circuit evaluation to confirm current delivery capability.

Frequently Asked Questions (FAQ)

Q: Can the SI-B8T923B20WW directly replace the SI-B8T52256CUS in existing designs?

A: Both parts share identical color temperature (4000K), color rendering index (80), and linear light strip configuration. However, the substitute operates at higher current (2.02A versus 1.12A) and features different physical dimensions (1120mm length versus 560mm, 3.70mm height versus 5.50mm). Driver circuit current capacity and mechanical mounting must be evaluated for compatibility.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is based on matching color temperature (4000K), color rendering index (80), configuration (linear light strip), lens type (flat), and regulatory classification (ECCN EAR99, HTSUS 8541.41.0000). Both parts belong to the SI-B8 base product family.

Q: Why does the SI-B8T923B20WW have higher luminous flux output?

A: The SI-B8T923B20WW represents the V-Series Gen3 generation, incorporating improved LED technology that delivers 16000 lumens compared to the Gen2 output of 8690 lumens, while maintaining the same color temperature and CRI specifications.

Q: Are there packaging differences between these parts?

A: The main part SI-B8T52256CUS is specified with standard packaging, while the SI-B8T923B20WW is packaged in trays. Packaging format may affect handling, storage, and integration into production workflows.

Q: What is the impact of the forward voltage difference (46.5V versus 45V)?

A: The 1.5V difference falls within typical operating tolerances for series-connected LED module applications. Driver circuits designed for the original 46.5V specification will operate within acceptable parameters at 45V, though power delivery calculations should be updated to reflect the lower voltage.

Q: How does the increased current requirement affect driver selection?

A: The substitute part requires 2.02A test current compared to 1.12A for the original part. Existing driver circuits must be verified to deliver this higher current without exceeding thermal or component ratings. Current-limiting resistors and power supply capacity require recalculation.

Q: What is the significance of the height reduction from 5.50mm to 3.70mm?

A: The reduced profile of the substitute part may enable integration into space-constrained applications. However, existing mechanical fixtures, heat sinks, and optical assemblies designed for the 5.50mm height require physical verification to confirm fit and thermal management compatibility.