SI-B8R522B2CUS LED Module Equivalent & Substitute Parts

Part Overview

The SI-B8R522B2CUS is a Samsung Semiconductor LED Module from the V-Series Gen2 product line, configured as a linear light strip with cool white output at 5000K color temperature. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. The module delivers 8800 lumens at typical operating conditions with a color rendering index of 80, suitable for linear lighting applications requiring cool white illumination.

Substiute Parts

SI-B8R522B2CUS
Samsung Semiconductor, Inc.In Stock: 1064SI-B8R522B2CUS Datasheet
SI-B8R522B2CUS
Current Part
SI-B8R463B20WW
Samsung Semiconductor, Inc.In Stock: 950SI-B8R463B20WW Datasheet
SI-B8R463B20WW
MFR Recommended

Key Parameters

Parameter Value Unit
Manufacturer Part Number SI-B8R522B2CUS
Manufacturer Samsung Semiconductor, Inc.
Series V-Series Gen2
Product Status Obsolete
Type LED Module
Color White, Cool
CCT (Correlated Color Temperature) 5000K K
Configuration Linear Light Strip
Luminous Flux (Typical) 8800 lm
Current - Test 1.12 A
Voltage - Forward (Typical) 46.5 V
Lumens per Watt 169 lm/W
Current - Maximum 1.35 A
CRI (Color Rendering Index) 80
Length 1120.00 mm
Width 18.00 mm
Height 5.50 mm
Lens Type Flat
Base Product Number SI-B8
ECCN EAR99
HTSUS Code 8541.41.0000

Substitute Part Grouping Explanation

Substitution of the SI-B8R522B2CUS is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

  • Color specification: White, Cool
  • Correlated Color Temperature (CCT): 5000K
  • Configuration: Linear Light Strip
  • Base Product Number: SI-B8
  • Lens Type: Flat
  • Physical length: 1120.00 mm
  • Physical width: 18.00 mm

Allowable Variation Parameters:

  • Luminous flux: Within operational range for linear lighting applications
  • Forward voltage: Variation acceptable within power supply design margins
  • Current ratings: Variation acceptable with appropriate driver adjustment
  • Height: Variation acceptable for form factor compatibility
  • Viewing angle: Variation acceptable for application-specific requirements
  • Product status: Active alternatives preferred for obsolete components

The SI-B8R463B20WW qualifies as a direct substitute based on matching all mandatory parameters while representing an active product generation (V Gen3) with improved electrical efficiency and enhanced maximum current rating.

Parameter Comparison

Parameter SI-B8R522B2CUS (Main) SI-B8R463B20WW (Substitute) Difference
Manufacturer Samsung Semiconductor, Inc. Samsung Semiconductor, Inc.
Series V-Series Gen2 V Gen3 Generation upgrade
Product Status Obsolete Active Active status
Type LED Module LED Module
Color White, Cool White, Cool
CCT (K) 5000K 5000K
Configuration Linear Light Strip Linear Light Strip
Luminous Flux @ Test (lm) 8800 8000 −800 lm (−9.1%)
Current - Test (A) 1.12 1.01 −0.11 A
Voltage - Forward Typical (V) 46.5 45 −1.5 V
Lumens per Watt (lm/W) 169 176 +7 lm/W (+4.1%)
Current - Maximum (A) 1.35 2.02 +0.67 A (+49.6%)
CRI 80 80
Length (mm) 1120.00 1120.00
Width (mm) 18.00 18.00
Height (mm) 5.50 3.70 −1.80 mm (−32.7%)
Lens Type Flat Flat
Viewing Angle Not specified 118° Specified in substitute
Base Product Number SI-B8 SI-B8
ECCN EAR99 EAR99
HTSUS Code 8541.41.0000 8541.41.0000

Engineering Selection Recommendations

Primary Substitute: SI-B8R463B20WW

The SI-B8R463B20WW is the manufacturer-recommended substitute for the obsolete SI-B8R522B2CUS. Selection of this substitute is based on the following engineering criteria:

Product Status Alignment: The substitute is classified as Active, ensuring continued availability, manufacturing support, and compliance with current regulatory standards. The obsolete status of the original component necessitates transition to an active alternative.

Regulatory and Compliance Compliance: Both components share identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications, confirming equivalent export control and tariff treatment.

Functional Equivalence: The substitute maintains identical color specification (White, Cool), correlated color temperature (5000K), configuration (Linear Light Strip), and physical length and width dimensions (1120.00 mm × 18.00 mm). These parameters define the functional role of the component within linear lighting applications.

Electrical Performance: The substitute operates at lower forward voltage (45V versus 46.5V) and lower test current (1.01A versus 1.12A), resulting in improved efficiency (176 lm/W versus 169 lm/W). The substitute supports higher maximum current (2.02A versus 1.35A), providing expanded operational headroom for driver circuits.

Physical Form Factor: The substitute exhibits reduced height (3.70 mm versus 5.50 mm), representing a design improvement that may enhance thermal management and mechanical integration in space-constrained applications.

Inventory Status: The substitute maintains active inventory (877 pieces) compared to the original component (1049 pieces), confirming ongoing production and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the SI-B8R463B20WW directly replace the SI-B8R522B2CUS in existing designs?

A: The SI-B8R463B20WW is electrically and functionally compatible with the SI-B8R522B2CUS for applications requiring 5000K cool white linear light strips. The substitute operates at lower forward voltage and test current, requiring driver circuit verification to confirm compatibility with existing power supply specifications. The reduced height (3.70 mm versus 5.50 mm) must be evaluated for mechanical fit within existing mounting structures.

Q: What is the luminous flux difference between these components?

A: The SI-B8R463B20WW delivers 8000 lumens at test conditions, compared to 8800 lumens for the SI-B8R522B2CUS, representing a 9.1% reduction in absolute flux output. This difference is offset by improved efficiency (176 lm/W versus 169 lm/W), indicating superior light generation per unit of electrical power consumed.

Q: Are there packaging differences between the main part and substitute?

A: The SI-B8R522B2CUS packaging is not specified in available documentation. The SI-B8R463B20WW is supplied in Tray packaging. Packaging configuration should be confirmed with the supplier for procurement and handling requirements.

Q: What is the significance of the maximum current rating increase?

A: The SI-B8R463B20WW supports maximum current of 2.02A compared to 1.35A for the SI-B8R522B2CUS, representing a 49.6% increase in maximum rated current. This expanded rating provides greater flexibility in driver circuit design and allows operation at higher brightness levels if required by the application.

Q: Are both components compliant with the same export and tariff classifications?

A: Both components are classified under ECCN EAR99 and HTSUS code 8541.41.0000, confirming identical export control and tariff treatment. No additional compliance documentation is required for substitution from a regulatory classification perspective.

Q: Why is the substitute component preferred despite lower luminous flux?

A: The substitute is preferred because it is an active product with ongoing manufacturing support, improved efficiency, and expanded electrical operating range. The obsolete status of the original component creates supply chain risk and limits access to future inventory. The 9.1% flux reduction is offset by superior efficiency and enhanced maximum current capability.

Q: What viewing angle specification applies to the substitute?

A: The SI-B8R463B20WW specifies a viewing angle of 118°. The original component does not include viewing angle specification in available documentation. This parameter should be evaluated for application-specific light distribution requirements.

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