SML-110MTT86 Equivalent & Substitute Parts

Part Overview

The SML-110MTT86 is a green LED indicator (572nm wavelength) manufactured by Rohm Semiconductor in a 1208 (3020 Metric) surface mount right-angle package. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing production and maintenance applications. The part delivers 16mcd luminous intensity at 20mA forward current with a 2.2V typical forward voltage, designed for discrete LED indication circuits in compact form factors.

Substiute Parts

SML-110MTT86

Rohm SemiconductorIn Stock: 3209SML-110MTT86 Datasheet

Current PartRFQ

SML-A12M8TT86

Rohm SemiconductorIn Stock: 4192SML-A12M8TT86 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the SML-110MTT86 is determined by the following critical parameters:

• Color and Wavelength: Green 572nm wavelength must be maintained for optical compatibility
• Electrical Characteristics: Forward voltage (2.2V) and test current (20mA) define circuit compatibility
• Mounting Configuration: Surface mount right-angle orientation required for mechanical fit
• Luminous Intensity: Millicandela rating determines brightness performance; higher ratings provide design margin
• Compliance: RoHS3 compliance required for regulatory alignment

The SML-A12M8TT86 qualifies as a substitute based on matching color, wavelength, forward voltage, test current, mounting type, and RoHS compliance. The substitute operates in the same electrical circuit parameters while offering increased luminous intensity (25mcd vs. 16mcd) and improved availability as an active product.

Parameter Comparison

Engineering Selection Recommendations

The SML-A12M8TT86 is the qualified substitute for the obsolete SML-110MTT86. Selection is based on:

• Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring continued regulatory alignment
• Product Availability: The substitute is active production status, eliminating supply chain risk associated with the obsolete main part
• Electrical Equivalence: Identical forward voltage (2.2V) and test current (20mA) ensure direct circuit compatibility without redesign
• Optical Compatibility: Matching green wavelength (572nm) and lens characteristics preserve optical performance in indication applications
• Performance Enhancement: The substitute provides 56% higher luminous intensity (25mcd vs. 16mcd), offering improved brightness margin for visibility-critical applications

Frequently Asked Questions (FAQ)

Q: Can the SML-A12M8TT86 be used as a direct replacement for the SML-110MTT86?

A: Yes. Both parts share identical forward voltage (2.2V), test current (20mA), color (green 572nm), mounting type (surface mount right-angle), and compliance certifications (ROHS3, REACH unaffected). The substitute is electrically and optically compatible for direct substitution in existing circuits.

Q: What are the physical differences between these parts?

A: The main part uses a 1208 (3020 Metric) package measuring 3.00mm L x 1.60mm W with 2.00mm maximum height. The substitute uses a 1611 (0605) package measuring 1.60mm L x 1.15mm W with 0.65mm maximum height. The substitute is significantly smaller, which may require PCB layout modification.

Q: Does the higher millicandela rating of the substitute affect circuit design?

A: No. The substitute operates at identical electrical parameters (2.2V forward voltage, 20mA test current). The increased luminous intensity (25mcd vs. 16mcd) is a performance benefit that does not require circuit modification. Existing current-limiting resistor values remain valid.

Q: Are there packaging differences?

A: Yes. The main part is supplied in standard packaging, while the substitute is supplied in Tape & Reel (TR) format. This affects procurement and assembly processes but does not impact electrical or optical performance.

Q: What is the moisture sensitivity level difference?

A: The main part has MSL 2 (1 Year storage), while the substitute has MSL 3 (168 Hours storage). The substitute requires more careful moisture control during storage and handling prior to reflow soldering.