LED LH351Z SPHWHTL3D20EE3V0F3 Equivalent & Substitute Parts

Part Overview

The Samsung Semiconductor LH351Z series LED (part number SPHWHTL3D20EE3V0F3) is a warm white 3000K surface mount LED in 3535 metric package format. This component is classified as obsolete product status. The LH351Z series delivers 100 lm at 85°C operating conditions with a forward voltage of 2.9V at 350mA test current and a 115° viewing angle. Due to obsolete product status, equivalent substitute components from active product lines are necessary to maintain design continuity and ensure long-term supply chain reliability for new production runs and ongoing applications.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	SPHWHTL3D20EE3V0F3	—
Manufacturer	Samsung Semiconductor, Inc.	—
Series	LH351Z	—
Product Status	Obsolete	—
Color	White, Warm	—
CCT (Correlated Color Temperature)	3000K	K
Flux @ 85°C, 350mA	100 lm	lm
Forward Voltage (Vf) Typical	2.9V	V
Test Current	350mA	mA
Maximum Current	1A	A
Lumens per Watt @ 350mA	99 lm/W	lm/W
CRI (Color Rendering Index)	80	—
Viewing Angle	115°	°
Mounting Type	Surface Mount	—
Package / Case	1414 (3535 Metric)	—
Size / Dimension	3.50mm x 3.50mm	mm
Height - Seated (Max)	2.06mm	mm
Thermal Resistance of Package	7°C/W	°C/W
RoHS Status	RoHS Compliant	—
Moisture Sensitivity Level (MSL)	2A (4 Weeks)	—

Substitute Part Grouping Explanation

Substitute components for the Samsung LH351Z SPHWHTL3D20EE3V0F3 are selected based on strict electrical and mechanical compatibility criteria. The following parameters determine substitution eligibility:

Primary Substitution Criteria:

Package / Case: 1414 (3535 Metric) — identical footprint and mounting interface
Mounting Type: Surface Mount — same assembly process compatibility
Test Current: 350mA — operational current matching
Viewing Angle: 115° — identical light distribution pattern
Color: White, Warm — warm white spectrum requirement
CCT (Correlated Color Temperature): 3000K — exact color temperature match for primary substitutes

Secondary Compatibility Parameters:

Forward Voltage (Vf) Typical: 2.85V (CreeLED XLamp XT-E series) — within acceptable circuit design tolerance versus 2.9V original
Maximum Current: 1.5A (CreeLED) versus 1A (Samsung) — higher rating provides design margin
Thermal Resistance: 5°C/W (CreeLED) versus 7°C/W (Samsung) — improved thermal performance
RoHS Compliance: All substitutes maintain RoHS Compliant status
Product Status: All CreeLED XLamp XT-E substitutes are Active products, ensuring ongoing availability

Grouping Logic:

Group 1 — Exact 3000K Warm White Match: CreeLED XLamp XT-E parts XTEAWT-00-0000-000000CE7 and XTEAWT-00-0000-000000DE7 provide direct functional equivalence at 3000K CCT with identical 350mA test current and 115° viewing angle.

Group 2 — Alternative Warm White CCT Options: CreeLED XLamp XT-E parts with 2700K, 2850K, and 3250K CCT ratings provide warm white alternatives within the warm spectrum range, maintaining all mechanical and electrical compatibility parameters except CCT specification.

Group 3 — Cool White Alternative: CreeLED XLamp XT-E parts XTEAWT-00-0000-000000E50 and XTEAWT-00-0000-000000E51 at 6200K CCT are listed for applications where cool white spectrum is acceptable, maintaining all other compatibility parameters.

Parameter Comparison

Parameter	Samsung LH351Z SPHWHTL3D20EE3V0F3	CreeLED XT-E CE7 (3000K)	CreeLED XT-E DE7 (3000K)	CreeLED XT-E CE8 (2700K)	CreeLED XT-E CF8 (2850K)	CreeLED XT-E DF6 (3750K)	CreeLED XT-E DF7 (3250K)	CreeLED XT-E DF8 (2850K)	CreeLED XT-E E50 (6200K)
Manufacturer	Samsung Semiconductor	CreeLED, Inc.	CreeLED, Inc.	CreeLED, Inc.	CreeLED, Inc.	CreeLED, Inc.	CreeLED, Inc.	CreeLED, Inc.	CreeLED, Inc.
Series	LH351Z	XLamp XT-E	XLamp XT-E	XLamp XT-E	XLamp XT-E	XLamp XT-E	XLamp XT-E	XLamp XT-E	XLamp XT-E
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
Color	White, Warm	White, Warm	White, Warm	White, Warm	White, Warm	White, Warm	White, Warm	White, Warm	White, Cool
CCT (K)	3000K	3000K	3000K	2700K	2850K	3750K	3250K	2850K	6200K
Flux @ 85°C, 350mA (lm)	100	104	111	104	104	111	111	111	118
Forward Voltage (Vf) Typical (V)	2.9V	2.85V	2.85V	2.85V	2.85V	2.85V	2.85V	2.85V	2.85V
Test Current (mA)	350	350	350	350	350	350	350	350	350
Maximum Current (A)	1.0	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
Lumens/Watt @ 350mA	99	104	111	104	104	111	111	111	118
Viewing Angle (°)	115	115	115	115	115	115	115	115	115
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	1414 (3535 Metric)	1414 (3535 Metric)	1414 (3535 Metric)	1414 (3535 Metric)	1414 (3535 Metric)	1414 (3535 Metric)	1414 (3535 Metric)	1414 (3535 Metric)	1414 (3535 Metric)
Size / Dimension (mm)	3.50 x 3.50	3.45 x 3.45	3.45 x 3.45	3.45 x 3.45	3.45 x 3.45	3.45 x 3.45	3.45 x 3.45	3.45 x 3.45	3.45 x 3.45
Height - Seated Max (mm)	2.06	2.54	2.54	2.54	2.54	2.54	2.54	2.54	2.54
Thermal Resistance (°C/W)	7	5	5	5	5	5	5	5	5
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
REACH Status	Not specified	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Primary Substitutes for Direct Replacement (3000K Warm White):

For applications requiring exact functional equivalence to the Samsung LH351Z SPHWHTL3D20EE3V0F3, the CreeLED XLamp XT-E series parts XTEAWT-00-0000-000000CE7 and XTEAWT-00-0000-000000DE7 are recommended. Both parts maintain 3000K CCT specification, 350mA test current, 115° viewing angle, and 1414 (3535 Metric) package compatibility. The XTEAWT-00-0000-000000DE7 variant delivers 111 lm at 85°C versus 104 lm for the CE7 variant, providing enhanced luminous output. Both substitutes are Active product status, ensuring long-term supply availability and design continuity.

Alternative Warm White Options (2700K, 2850K, 3250K):

For applications where warm white spectrum flexibility exists, CreeLED XLamp XT-E parts with alternative CCT ratings (XTEAWT-00-0000-000000CE8 at 2700K, XTEAWT-00-0000-000000CF8 at 2850K, XTEAWT-00-0000-000000DF7 at 3250K, and XTEAWT-00-0000-000000DF8 at 2850K) provide equivalent electrical and mechanical compatibility. These alternatives maintain identical 350mA test current, 115° viewing angle, and 1414 (3535 Metric) package specifications while offering different color temperature options within the warm white spectrum range.

Compliance and Certification Status:

All recommended CreeLED XLamp XT-E substitute parts maintain RoHS Compliance and REACH Unaffected status, matching the regulatory requirements of the original Samsung LH351Z component. All substitutes are classified as Active product status, providing design security and supply chain reliability for new production implementations.

Thermal and Electrical Performance:

CreeLED XLamp XT-E substitutes demonstrate improved thermal characteristics with 5°C/W thermal resistance compared to 7°C/W for the Samsung LH351Z, enabling better heat dissipation in thermal-constrained applications. Forward voltage specification of 2.85V for CreeLED parts versus 2.9V for Samsung represents a 0.05V reduction, which is within standard circuit design tolerance margins and may reduce power consumption in constant-current driver applications.

Frequently Asked Questions (FAQ)

Q1: Can CreeLED XLamp XT-E parts directly replace the Samsung LH351Z SPHWHTL3D20EE3V0F3 without PCB modifications?

A: Yes, CreeLED XLamp XT-E parts with matching 1414 (3535 Metric) package specification can be directly substituted on existing PCB layouts. The footprint compatibility is maintained. However, the seated height difference (2.54mm for CreeLED versus 2.06mm for Samsung) should be verified against any height-constrained mechanical assemblies or optical lens positioning requirements.

Q2: What is the difference between XTEAWT-00-0000-000000CE7 and XTEAWT-00-0000-000000DE7, both at 3000K?

A: Both parts are CreeLED XLamp XT-E 3000K warm white LEDs with identical electrical specifications (2.85V Vf, 350mA test current, 115° viewing angle). The primary difference is luminous flux output: CE7 delivers 104 lm at 85°C while DE7 delivers 111 lm at 85°C. The DE7 variant provides approximately 7% higher light output, resulting in 111 lm/W efficiency versus 104 lm/W for CE7.

Q3: Are the alternative CCT options (2700K, 2850K, 3250K) suitable for applications originally designed for 3000K?

A: Alternative CCT options maintain identical electrical and mechanical compatibility but deliver different color temperatures. Selection depends on application requirements. 2700K provides warmer, more amber-toned light; 3250K and 3750K provide cooler, more neutral tones. Verify that the application's optical design and end-user color perception requirements accommodate the alternative CCT before substitution.

Q4: What is the impact of the 0.05V forward voltage difference (2.85V CreeLED versus 2.9V Samsung)?

A: The 0.05V reduction in forward voltage for CreeLED parts results in lower power dissipation in constant-current driver circuits. For a 350mA test current, this represents approximately 17.5mW lower power consumption per LED. In constant-voltage applications, the lower Vf may require minor driver circuit adjustment to maintain target current levels, but this is within standard design tolerance margins.

Q5: Can the cool white 6200K CreeLED parts (XTEAWT-00-0000-000000E50, E51) be used as substitutes?

A: Cool white 6200K parts maintain all electrical and mechanical compatibility parameters (350mA test current, 115° viewing angle, 1414 package, Active product status) but deliver significantly different color temperature. These parts are suitable only for applications where cool white spectrum is acceptable or preferred. They are not direct functional equivalents for warm white 3000K applications.

Q6: What is the significance of the improved thermal resistance (5°C/W CreeLED versus 7°C/W Samsung)?

A: Lower thermal resistance indicates more efficient heat transfer from the LED junction to the PCB and surrounding environment. CreeLED XLamp XT-E parts with 5°C/W thermal resistance provide better thermal performance, enabling higher sustained current operation or lower junction temperatures in thermally constrained applications. This is a performance advantage for designs with limited thermal management capability.

Q7: Are all CreeLED XLamp XT-E substitutes available in Tape & Reel (TR) packaging?

A: Yes, all listed CreeLED XLamp XT-E substitute parts are specified with Tape & Reel (TR) packaging, suitable for automated assembly processes. This maintains manufacturing process compatibility with the original Samsung LH351Z component specifications.

Q8: What is the Moisture Sensitivity Level (MSL) for CreeLED XLamp XT-E substitutes?

A: The provided data does not specify MSL ratings for CreeLED XLamp XT-E parts. The original Samsung LH351Z specifies MSL 2A (4 Weeks). Verify MSL specifications with CreeLED technical documentation or supplier data sheets before implementing substitutes in moisture-sensitive assembly environments.

Q9: How does the inventory status affect substitution decisions?

A: Current inventory levels are: Samsung LH351Z (1062 pcs), CreeLED CE7 (747 pcs), CreeLED DE7 (1088 pcs), CreeLED E50 (859 pcs), and other variants ranging from 653 to 1132 pcs. Active product status for all CreeLED parts ensures ongoing availability beyond current inventory levels, providing long-term supply security for production requirements.

Q10: What documentation should be reviewed before implementing a substitute part?

A: Review the complete technical data sheets for both the original Samsung LH351Z and selected CreeLED XLamp XT-E substitute, focusing on: forward voltage operating ranges, thermal management requirements, maximum current ratings, viewing angle specifications, and any application-specific optical or thermal constraints. Verify compliance certifications (RoHS, REACH) match design requirements.

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