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SPMWH1228MD7WNWMVL LED Equivalent & Substitute Parts
Part Overview
The SPMWH1228MD7WNWMVL is a surface-mount LED from Samsung Semiconductor's LM281B+ series, designed for warm white lighting applications at 2700K color temperature. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when electrical performance, mechanical compatibility, and thermal characteristics remain within specified tolerances across the same package form factor.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Series | LM281B+ | — |
| Color | White, Warm | — |
| CCT (Correlated Color Temperature) | 2700K | K |
| Flux @ 25°C, 65mA Test Current | 30lm (29–31lm range) | lm |
| Forward Voltage (Vf) Typical | 2.7V | V |
| Test Current | 65mA | mA |
| Maximum Current | 300mA | mA |
| Lumens per Watt @ Test Current | 171 lm/W | lm/W |
| CRI (Color Rendering Index) | 90 | — |
| Viewing Angle | 120° | ° |
| Package / Case | 1411 (3528 Metric) | — |
| Size / Dimension | 3.30mm × 2.80mm | mm |
| Height - Seated (Max) | 0.80mm | mm |
| Thermal Resistance of Package | 12°C/W | °C/W |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
Substitute Part Grouping Explanation
Substitution eligibility for the SPMWH1228MD7WNWMVL is determined by strict equivalence across the following critical parameters:
- Color and CCT: White, Warm 2700K (exact match required)
- Electrical Performance: Forward voltage 2.7V typical, test current 65mA, maximum current 300mA
- Luminous Flux: 30lm at 25°C and 65mA test current (29–31lm acceptable range)
- Optical Properties: CRI 90, viewing angle 120°
- Package Compatibility: 1411 (3528 Metric) surface-mount form factor
- Thermal Characteristics: 12°C/W thermal resistance
- Compliance: ROHS3 compliant status
The SPMWH1228MD7WNWYVL qualifies as a parametric equivalent because it maintains identical electrical, optical, and mechanical specifications across all critical parameters while belonging to the LM281B+Pro variant series.
Parameter Comparison
| Parameter | SPMWH1228MD7WNWMVL (Main) | SPMWH1228MD7WNWYVL (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Samsung Semiconductor, Inc. | Samsung Semiconductor, Inc. | Identical |
| Series | LM281B+ | LM281B+Pro | Compatible Variant |
| Color / CCT | White, Warm 2700K | White, Warm 2700K | Identical |
| Flux @ 25°C, 65mA | 30lm (29–31lm) | 30lm (29–31lm) | Identical |
| Forward Voltage (Vf) | 2.7V | 2.7V | Identical |
| Test Current | 65mA | 65mA | Identical |
| Maximum Current | 300mA | 300mA | Identical |
| Lumens/Watt @ Test Current | 171 lm/W | 171 lm/W | Identical |
| CRI | 90 | 90 | Identical |
| Viewing Angle | 120° | 120° | Identical |
| Package / Case | 1411 (3528 Metric) | 1411 (3528 Metric) | Identical |
| Size / Dimension | 3.30mm × 2.80mm | 3.30mm × 2.80mm | Identical |
| Height - Seated (Max) | 0.80mm | 0.80mm | Identical |
| Thermal Resistance | 12°C/W | 12°C/W | Identical |
| Mounting Type | Surface Mount | Surface Mount | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Identical |
Engineering Selection Recommendations
Both the SPMWH1228MD7WNWMVL and SPMWH1228MD7WNWYVL are Active product status components manufactured by Samsung Semiconductor. Both maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and consumer applications.
The SPMWH1228MD7WNWYVL represents the LM281B+Pro variant, which maintains full electrical and mechanical equivalence to the base LM281B+ series. Selection between these parts should be based on availability and supply chain requirements, as all critical performance parameters remain identical.
Frequently Asked Questions (FAQ)
Q: Can SPMWH1228MD7WNWYVL be used as a direct replacement for SPMWH1228MD7WNWMVL in existing designs?
A: Yes. Both parts share identical electrical specifications (2.7V forward voltage, 65mA test current, 30lm flux), optical properties (2700K CCT, CRI 90, 120° viewing angle), and mechanical form factor (1411 package, 3.30mm × 2.80mm, 0.80mm height). PCB layout and circuit design require no modification.
Q: What is the difference between the LM281B+ and LM281B+Pro series?
A: Both series maintain identical electrical performance, luminous output, and thermal characteristics. The Pro variant designation indicates enhanced manufacturing process control or extended product lifecycle support. All critical parameters for substitution purposes are equivalent.
Q: Are there any compliance or certification differences between these parts?
A: Both parts are ROHS3 compliant and REACH unaffected. No compliance or certification differences exist that would affect component selection.
Q: What is the significance of the 1411 (3528 Metric) package designation?
A: The 1411 package is a surface-mount LED form factor measuring 3.30mm × 2.80mm with a maximum seated height of 0.80mm. This standardized package ensures mechanical and electrical compatibility across both parts for PCB assembly and reflow soldering processes.
Q: Can these parts be used interchangeably in high-volume production?
A: Yes, provided that supply chain and inventory management systems account for the different part numbers. Electrical performance, thermal behavior, and mechanical compatibility are fully equivalent, allowing seamless substitution in manufacturing workflows.
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