SI-B8T522B2CUS LED Module Equivalent & Substitute Parts

Part Overview

The SI-B8T522B2CUS is a Samsung Semiconductor LED Module V-Series Gen2 linear light strip configured for neutral white lighting at 4000K color temperature. This component is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The module delivers 8690 lumens at typical operating conditions with a forward voltage of 46.5V and operates at 1.12A test current.

Due to its obsolete status, sourcing alternatives from current product lines is required for design continuity and supply chain management.

Substiute Parts

SI-B8T522B2CUS

Samsung Semiconductor, Inc.In Stock: 912SI-B8T522B2CUS Datasheet

Current PartRFQ

SI-B8T463B20WW

Samsung Semiconductor, Inc.In Stock: 1078SI-B8T463B20WW Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SI-B8T522B2CUS is determined by the following critical parameters:

Mandatory Matching Criteria:

• Base Product Number: SI-B8 (ensures mechanical and electrical compatibility within the V-Series platform)
• Color: White, Neutral (maintains consistent light output characteristics)
• CCT: 4000K (preserves color temperature specification)
• Configuration: Linear Light Strip (maintains form factor and application compatibility)
• Lens Type: Flat (ensures optical consistency)

Allowable Variation Parameters:

• Series generation (V-Series Gen2 to V Gen3 represents product line evolution)
• Luminous Flux (within acceptable range for application requirements)
• Forward Voltage (Vf) (minor variations acceptable within power supply design margins)
• Current specifications (test and maximum current may vary with generation)
• Lumens/Watt efficiency (newer generations typically show improved efficiency)
• Height and physical dimensions (within mechanical envelope constraints)
• Product Status (transition from obsolete to active product line)

The SI-B8T463B20WW qualifies as a direct substitute based on matching all mandatory criteria while representing an active, current-generation product.

Parameter Comparison

Engineering Selection Recommendations

Substitution Feasibility:

The SI-B8T463B20WW is a direct functional equivalent to the SI-B8T522B2CUS for applications requiring a 4000K neutral white linear LED light strip module. Both components share the same base product platform (SI-B8), identical physical length and width dimensions, matching color temperature, and equivalent color rendering index.

Key Advantages of SI-B8T463B20WW:

• Active product status ensures ongoing availability and supply chain continuity
• Improved luminous efficiency (176 lm/W versus 167 lm/W) reduces power consumption
• Lower forward voltage (45V versus 46.5V) simplifies power supply design
• Reduced profile height (3.70mm versus 5.50mm) provides enhanced mechanical flexibility for space-constrained applications
• Higher maximum current rating (2.02A versus 1.35A) provides operational headroom
• Not Applicable MSL classification indicates improved moisture handling characteristics

Design Considerations:

The substitute operates at slightly lower luminous flux (8000 lm versus 8690 lm) and test current (1.01A versus 1.12A). Applications requiring the exact original flux output should evaluate whether the 690 lm reduction impacts system performance. The lower forward voltage and improved efficiency of the substitute typically result in reduced thermal load and improved overall system reliability.

Both components carry identical export classification (EAR99) and tariff codes (8541.41.0000), ensuring regulatory compliance equivalence.

Frequently Asked Questions (FAQ)

Q: Can SI-B8T463B20WW be used as a direct replacement for SI-B8T522B2CUS in existing designs?

A: Yes. Both modules share the same base product platform (SI-B8), identical physical dimensions (length and width), matching 4000K color temperature, and equivalent CRI of 80. The substitute represents a newer generation with improved efficiency and lower profile height. Electrical parameters differ slightly; verify that your power supply can accommodate the lower forward voltage (45V) and adjusted current specifications.

Q: What is the difference in luminous output between these two modules?

A: The SI-B8T522B2CUS produces 8690 lumens at typical conditions, while the SI-B8T463B20WW produces 8000 lumens. This represents a 690 lumen reduction (approximately 7.9% lower output). Evaluate whether this difference impacts your application's lighting requirements.

Q: Why is the substitute module more efficient if it produces less light?

A: The SI-B8T463B20WW achieves 176 lumens per watt compared to 167 lumens per watt in the original module. This improved efficiency is a result of V Gen3 design enhancements. The lower absolute lumen output reflects operation at reduced test current (1.01A versus 1.12A), not reduced efficiency per unit of power consumed.

Q: Are there mechanical compatibility concerns with the lower profile height?

A: The substitute is 1.80mm lower in profile (3.70mm versus 5.50mm). This reduction provides mechanical advantages for space-constrained applications. Verify that your mechanical housing and thermal management design can accommodate the thinner module. The identical length and width dimensions ensure compatibility with existing mounting interfaces.

Q: What is the significance of the MSL classification difference?

A: The original SI-B8T522B2CUS carries MSL 1 (Unlimited), indicating standard moisture sensitivity. The substitute SI-B8T463B20WW is classified as Not Applicable, indicating improved moisture handling characteristics typical of newer generation components. This represents an improvement in environmental robustness.

Q: Does the packaging difference (Bulk versus Tray) affect component functionality?

A: No. Packaging format affects handling, storage, and logistics only. The electrical and optical performance of the LED module itself is independent of packaging type. Tray packaging typically provides improved protection during transport and storage compared to bulk packaging.

Q: Are both modules compliant with the same export and tariff regulations?

A: Yes. Both components carry identical ECCN classification (EAR99) and HTSUS tariff code (8541.41.0000), ensuring equivalent regulatory compliance for export and import purposes.

Q: What is the maximum current rating difference, and does it matter for my application?

A: The SI-B8T463B20WW has a maximum current rating of 2.02A compared to 1.35A for the original module. This higher rating provides greater operational headroom and allows for potential future performance optimization. If your design operates at or near the original maximum current specification, the substitute offers improved margin for thermal and reliability considerations.