SPMWHT541MP5WATSS4 LED Equivalent & Substitute Parts

Part Overview

The SPMWHT541MP5WATSS4 is a Samsung Semiconductor LM561B Plus white neutral LED in 5630 surface mount package. This component is an active product designed for lighting applications requiring high luminous efficacy and consistent color rendering. Substitute parts become necessary when the primary part number experiences supply constraints, inventory limitations, or when design flexibility permits selection from equivalent alternatives within the same product series.

Substiute Parts

SPMWHT541MP5WATSS4

Samsung Semiconductor, Inc.In Stock: 666SPMWHT541MP5WATSS4 Datasheet

Current PartRFQ

SPMWHT541MP5WAT0S4

Samsung Semiconductor, Inc.In Stock: 1117SPMWHT541MP5WAT0S4 Datasheet

Parametric EquivalentRFQ

SPMWHT541MP5WATMS4

Samsung Semiconductor, Inc.In Stock: 600211SPMWHT541MP5WATMS4 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

All substitute parts listed are parametric equivalents within the LM561B Plus series from Samsung Semiconductor. Substitution eligibility is determined by strict matching of the following critical parameters:

• Series designation: LM561B Plus
• Color specification: White, Neutral
• Correlated Color Temperature: 4000K
• Luminous flux @ 25°C, 65mA test current: 33lm (32lm ~ 34lm)
• Forward voltage (Typ): 2.95V
• Test current: 65mA
• Maximum current rating: 180mA
• Lumens per watt efficiency: 172 lm/W
• Color Rendering Index: 80
• Viewing angle: 120°
• Package configuration: 4-SMD, Flat Leads
• Physical dimensions: 5.00mm x 3.00mm
• Maximum seated height: 0.80mm
• Mounting technology: Surface Mount
• Tape & Reel packaging format

Variations in thermal resistance, RoHS certification status, and moisture sensitivity level do not preclude substitution when all electrical and mechanical parameters align.

Parameter Comparison

Engineering Selection Recommendations

All three part numbers are active products from Samsung Semiconductor with full RoHS compliance status. Selection between SPMWHT541MP5WATSS4, SPMWHT541MP5WAT0S4, and SPMWHT541MP5WATMS4 is determined by availability and thermal management requirements.

SPMWHT541MP5WATSS4 offers the lowest thermal resistance at 14°C/W, suitable for applications with stringent thermal constraints. SPMWHT541MP5WAT0S4 provides 15°C/W thermal resistance with moisture sensitivity level 2A (4 weeks). SPMWHT541MP5WATMS4 delivers the highest inventory availability at 600,200 units with 16°C/W thermal resistance and moisture sensitivity level 2A (4 weeks).

All parts maintain identical electrical performance, optical characteristics, and mechanical compatibility. Thermal resistance differences of 1-2°C/W are negligible in most lighting applications operating within the 65mA test current specification.

Frequently Asked Questions (FAQ)

Q: Can SPMWHT541MP5WAT0S4 replace SPMWHT541MP5WATSS4 in existing designs?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, luminous output, color temperature, and mechanical dimensions. The 1°C/W difference in thermal resistance does not affect circuit compatibility or performance at rated current.

Q: What is the significance of the thermal resistance variation between the three parts?

A: Thermal resistance values of 14°C/W, 15°C/W, and 16°C/W represent minor manufacturing variations within the LM561B Plus series. At the 65mA test current, these differences produce negligible temperature rise variations and do not impact optical or electrical performance in standard lighting applications.

Q: Are all three parts suitable for Tape & Reel assembly processes?

A: Yes. All three parts are supplied in Tape & Reel (TR) packaging format with identical 5630 supplier device package specifications, 5.00mm x 3.00mm footprint, and 0.80mm maximum seated height. They are fully compatible with standard surface mount assembly equipment.

Q: What is the difference between ROHS3 Compliant and RoHS Compliant designations?

A: Both designations indicate compliance with RoHS directives. ROHS3 refers to the third iteration of the RoHS directive. All parts meet regulatory requirements for hazardous substance restrictions and are suitable for applications requiring RoHS compliance documentation.

Q: Can these parts be used interchangeably in production without design changes?

A: Yes. All three parts share identical electrical characteristics, optical output, color rendering, viewing angle, and mechanical package specifications. No circuit modifications, PCB layout changes, or firmware adjustments are required for substitution.