SML-LX15YYC-TR Equivalent & Substitute Parts

Part Overview

The SML-LX15YYC-TR is a yellow LED indication component manufactured by Lumex Opto/Components Inc. in a surface mount SOT-23 package. This discrete 2.1V LED operates at 20mA test current and delivers 10mcd luminous intensity with a 140° viewing angle. The component is classified as Active product status and maintains full RoHS3 and REACH compliance. Substitute parts are identified to address packaging variations, inventory availability, and moisture sensitivity requirements across different application environments.

Substiute Parts

SML-LX15YYC-TR

Lumex Opto/Components Inc.In Stock: 834SML-LX15YYC-TR Datasheet

Current PartRFQ

SML-LX15YC-RP-TR

Lumex Opto/Components Inc.In Stock: 4175SML-LX15YC-RP-TR Datasheet

Parametric EquivalentRFQ

SML-LX15YC-TR

Lumex Opto/Components Inc.In Stock: 3563SML-LX15YC-TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SML-LX15YYC-TR is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Color: Yellow
• Lens Transparency: Clear
• Millicandela Rating: 10mcd
• Voltage - Forward (Vf) Typical: 2.1V
• Current - Test: 20mA
• Viewing Angle: 140°
• Wavelength - Peak: 585nm
• Package / Case: TO-236, SC-59, SOT-23-3 variant, 3-SMD
• Mounting Type: Surface Mount
• Physical Dimensions: 3.00mm L x 3.00mm W, Height 1.00mm Max
• Manufacturer: Lumex Opto/Components Inc.
• Product Status: Active
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected

Variable Parameters Allowing Substitution:

• Packaging format (Tape & Reel vs. other configurations)
• Moisture Sensitivity Level (MSL) rating
• Inventory quantities

The identified substitute parts SML-LX15YC-TR and SML-LX15YC-RP-TR maintain complete electrical and mechanical equivalence to the main part number while differing only in packaging delivery method and moisture sensitivity classification.

Parameter Comparison

Engineering Selection Recommendations

All three part numbers—SML-LX15YYC-TR, SML-LX15YC-TR, and SML-LX15YC-RP-TR—are electrically and mechanically equivalent for yellow LED indication applications requiring 2.1V forward voltage, 10mcd luminous intensity, and 140° viewing angle in SOT-23 surface mount packages.

Selection Criteria Based on Provided Data:

SML-LX15YYC-TR (Main Part): Select this part number when the original specification is required. Maintains MSL 3 classification (168-hour floor life) and current inventory of 795 units.

SML-LX15YC-TR (Substitute): Identical electrical and mechanical specifications with MSL 3 classification. Offers higher inventory availability at 3530 units. Suitable for applications with equivalent moisture sensitivity requirements.

SML-LX15YC-RP-TR (Substitute): Maintains full electrical and mechanical equivalence. Classified as MSL 4 with 72-hour floor life, indicating lower moisture sensitivity tolerance. Highest inventory availability at 4092 units. Select this variant only when MSL 4 classification aligns with application storage and handling conditions.

All three parts maintain Active product status, ROHS3 compliance, and REACH unaffected status, confirming regulatory equivalence for current and future applications.

Frequently Asked Questions (FAQ)

Q: Can SML-LX15YC-TR be used as a direct replacement for SML-LX15YYC-TR?

A: Yes. Both parts are electrically and mechanically identical, sharing the same 2.1V forward voltage, 10mcd rating, 140° viewing angle, and SOT-23 package dimensions. The primary difference is packaging delivery method and inventory availability.

Q: What is the significance of the MSL rating difference between SML-LX15YC-RP-TR (MSL 4) and the other variants (MSL 3)?

A: MSL 4 indicates a 72-hour floor life after moisture exposure, while MSL 3 provides 168 hours. MSL 4 components require shorter time intervals between package opening and soldering. Select MSL 4 only if your manufacturing process accommodates the reduced floor life window.

Q: Are all three parts suitable for the same PCB assembly process?

A: Yes. All three parts share identical SOT-23 package specifications, physical dimensions (3.00mm L x 3.00mm W, 1.00mm max height), and surface mount mounting type. PCB footprints and reflow profiles are interchangeable.

Q: Do the substitute parts maintain the same optical performance?

A: Yes. All three parts deliver identical optical specifications: yellow color, clear lens, 10mcd luminous intensity, 585nm peak wavelength, and 140° viewing angle.

Q: What compliance certifications apply to all substitute parts?

A: All three part numbers are ROHS3 compliant and REACH unaffected, confirming regulatory equivalence for applications subject to these standards.

Q: Is there a performance difference between the main part and substitutes?

A: No performance difference exists. Differences are limited to packaging format and moisture sensitivity classification. Electrical and mechanical specifications are identical across all three part numbers.