Samsung LH351D SPHWHTL3DA0EF4UPR6 LED Equivalent & Substitute Parts

Part Overview

The Samsung LH351D SPHWHTL3DA0EF4UPR6 is a surface-mount warm white LED in 3535 metric package (1414 case) with 3500K color temperature. This part carries a "Not For New Designs" status, indicating it has been superseded in Samsung's product roadmap. Identification of equivalent and substitute parts is necessary for design continuity, inventory management, and long-term production support.

Substiute Parts

SPHWHTL3DA0EF4UPR6

Samsung Semiconductor, Inc.In Stock: 5261SPHWHTL3DA0EF4UPR6 Datasheet

Current PartRFQ

SPHWHTL3DA0EF4V0R6

Samsung Semiconductor, Inc.In Stock: 1087SPHWHTL3DA0EF4V0R6 Datasheet

Parametric EquivalentRFQ

SPHWHTL3DA0EF4VPR6

Samsung Semiconductor, Inc.In Stock: 5258SPHWHTL3DA0EF4VPR6 Datasheet

Parametric EquivalentRFQ

SPHWHTL3DA0EF4W0R6

Samsung Semiconductor, Inc.In Stock: 999SPHWHTL3DA0EF4W0R6 Datasheet

Parametric EquivalentRFQ

SPHWHTL3DA0EF4WPR6

Samsung Semiconductor, Inc.In Stock: 1174SPHWHTL3DA0EF4WPR6 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPHWHTL3DA0EF4UPR6 is determined by strict electrical and mechanical compatibility within the LH351D series. The following parameters must remain constant across all substitute parts:

Fixed Parameters (Non-Negotiable for Substitution):

• Series: LH351D
• Voltage - Forward (Vf) Typical: 3V
• Current - Test: 1.05A
• Current - Max: 3A
• Flux @ 85°C, Current - Test: 390lm (360lm ~ 420lm range)
• Lumens/Watt @ Current - Test: 124 lm/W
• CRI (Color Rendering Index): 80
• Viewing Angle: 128°
• Package / Case: 1414 (3535 Metric)
• Mounting Type: Surface Mount
• Size / Dimension: 0.138" L x 0.138" W (3.50mm x 3.50mm)
• Height - Seated (Max): 0.097" (2.46mm)
• Thermal Resistance of Package: 2.2°C/W
• RoHS Status: RoHS Compliant
• Moisture Sensitivity Level (MSL): 2A (4 Weeks)

Variable Parameter (Allows Substitution):

• CCT (Color Temperature in Kelvin): The main part operates at 3500K. Substitute parts are available at 3000K and 2700K, representing different warm white color temperatures within the same product family.

Packaging Format Variation:

• The main part is supplied in Tape & Reel (TR) format. Substitute parts may be available in Cut Tape (CT) or alternative packaging formats, provided all electrical and mechanical specifications remain identical.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The main part SPHWHTL3DA0EF4UPR6 carries "Not For New Designs" status, while all four substitute parts carry "Active" status. This indicates that substitute parts represent the current production line and are supported for ongoing and new applications.

Compliance and Certification: All parts listed—main and substitutes—are RoHS Compliant and carry identical Moisture Sensitivity Level (MSL) ratings of 2A (4 Weeks). All parts are suitable for applications requiring regulatory compliance with RoHS directives.

Electrical and Thermal Equivalence: All substitute parts maintain identical electrical performance (3V forward voltage, 1.05A test current, 3A maximum current) and thermal characteristics (2.2°C/W thermal resistance). Optical performance remains constant across all parts (390lm flux, 124 lm/W efficiency, 80 CRI, 128° viewing angle).

Color Temperature Selection: Selection among substitute parts depends solely on application color temperature requirements:

• SPHWHTL3DA0EF4V0R6 and SPHWHTL3DA0EF4VPR6: 3000K (neutral warm white)
• SPHWHTL3DA0EF4W0R6 and SPHWHTL3DA0EF4WPR6: 2700K (warm white)

Packaging Format: SPHWHTL3DA0EF4VPR6 is specified in Cut Tape (CT) format with 5182 pieces in stock. Other substitute parts have packaging format not specified in available data. Packaging selection should align with assembly process requirements and inventory management protocols.

Frequently Asked Questions (FAQ)

Q: Can SPHWHTL3DA0EF4UPR6 be directly replaced with any of the substitute parts?

A: Direct replacement is possible only if the application does not require the specific 3500K color temperature of the main part. All substitute parts are electrically and mechanically equivalent, differing only in color temperature (3000K or 2700K). If 3500K is a design requirement, no substitute from this list is appropriate.

Q: What is the difference between SPHWHTL3DA0EF4V0R6 and SPHWHTL3DA0EF4VPR6?

A: Both parts are identical in all electrical, optical, and thermal specifications. The difference is packaging format: SPHWHTL3DA0EF4VPR6 is supplied in Cut Tape (CT) format, while SPHWHTL3DA0EF4V0R6 packaging format is not specified. Both operate at 3000K color temperature.

Q: Are the 2700K parts (SPHWHTL3DA0EF4W0R6 and SPHWHTL3DA0EF4WPR6) suitable for applications originally designed for 3500K?

A: These parts are electrically and mechanically equivalent but produce a warmer color temperature (2700K versus 3500K). Substitution is valid only if the application can accommodate this color temperature shift. Visual appearance and color rendering will differ from the original design.

Q: What does "Not For New Designs" status mean for the main part?

A: This status indicates that Samsung has discontinued active development and support for SPHWHTL3DA0EF4UPR6. The part remains available in inventory but is not recommended for new product designs. All substitute parts carry "Active" status, indicating ongoing manufacturer support and production.

Q: Are all parts RoHS compliant?

A: Yes. All parts listed—the main part and all four substitutes—are RoHS Compliant and carry identical Moisture Sensitivity Level (MSL) ratings of 2A (4 Weeks).

Q: Can these parts be used interchangeably in existing PCB designs?

A: Yes, provided the PCB footprint accommodates the 3535 metric package (1414 case) and the application does not require the specific 3500K color temperature. All parts share identical mechanical dimensions (0.138" L x 0.138" W, 3.50mm x 3.50mm) and maximum height (0.097", 2.46mm).

Q: What inventory levels are available for each part?

A: SPHWHTL3DA0EF4UPR6 (main): 5176 pieces; SPHWHTL3DA0EF4V0R6: 1035 pieces; SPHWHTL3DA0EF4VPR6: 5182 pieces; SPHWHTL3DA0EF4W0R6: 961 pieces; SPHWHTL3DA0EF4WPR6: 1120 pieces.