SML-212VTT86 Equivalent & Substitute Parts

Part Overview

The SML-212VTT86 is a red 630nm LED indicator in 0805 (2012 Metric) surface mount package manufactured by Rohm Semiconductor. This part is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent and substitute parts is necessary for ongoing production support, maintenance applications, and designs requiring compatible red LED indicators with similar electrical and mechanical characteristics.

Key Parameters

Parameter	SML-212VTT86
Manufacturer	Rohm Semiconductor
Package / Case	0805 (2012 Metric)
Color	Red
Lens Transparency	Clear
Wavelength - Dominant	630nm
Voltage - Forward (Vf) (Typ)	2.05V
Current - Test	20mA
Millicandela Rating	63mcd
Mounting Type	Surface Mount
Size / Dimension	2.00mm L x 1.25mm W
Height (Max)	0.90mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the SML-212VTT86 are evaluated based on the following critical parameters that determine functional compatibility:

Primary Compatibility Criteria:

Package / Case: 0805 (2012 Metric) surface mount
Color: Red
Mounting Type: Surface Mount
Size / Dimension: 2.00mm L x 1.25mm W (footprint compatibility)
Wavelength - Dominant: 630nm ± tolerance range
Voltage - Forward (Vf): 2.0V to 2.2V range
Current - Test: 20mA
RoHS Status: ROHS3 Compliant

Secondary Compatibility Considerations:

Millicandela Rating: Brightness variations acceptable within application context
Height (Max): 0.80mm to 0.90mm acceptable for standard PCB assembly
Lens Transparency: Clear preferred; diffused acceptable for non-critical applications
Moisture Sensitivity Level: MSL 3 or better

Substitute parts meeting these criteria are grouped by their deviation from the main part specifications and their product status (Active vs. Obsolete).

Parameter Comparison

Parameter	SML-212VTT86	SML-H12V8TT86	150080RS75000	150080SS75000	BR1112H-TR	QTLP630C7TR
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Würth Elektronik	Würth Elektronik	Stanley Electric Co	onsemi
Product Status	Not For New Designs	Active	Active	Active	Obsolete	Obsolete
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Color	Red	Red	Red	Red	Red	Red
Lens Transparency	Clear	Clear	Clear	Clear	Diffused	Clear
Wavelength - Dominant	630nm	630nm	625nm	630nm	647nm	645nm
Voltage - Forward (Vf) (Typ)	2.05V	2.2V	2.0V	1.9V	1.7V	1.9V
Current - Test	20mA	20mA	20mA	20mA	20mA	20mA
Millicandela Rating	63mcd	25mcd	150mcd	60mcd	11.7mcd	20mcd
Size / Dimension	2.00mm L x 1.25mm W	2.00mm L x 1.25mm W	2.00mm L x 1.25mm W	2.00mm L x 1.25mm W	2.00mm L x 1.25mm W	2.00mm L x 1.25mm W
Height (Max)	0.90mm	0.90mm	0.80mm	0.80mm	0.90mm	1.20mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	4 (72 Hours)	1 (Unlimited)

Engineering Selection Recommendations

Tier 1 - Recommended Substitutes (Active Product Status)

SML-H12V8TT86 (Rohm Semiconductor): Maintains Rohm Semiconductor manufacturing continuity with Active product status. Forward voltage of 2.2V is within acceptable tolerance. Brightness reduction to 25mcd may require circuit adjustment in brightness-critical applications. ROHS3 compliant with MSL 3 rating matching the original part.

150080SS75000 (Würth Elektronik): Active product with 630nm dominant wavelength matching the original specification. Forward voltage of 1.9V is lower than the original 2.05V, requiring circuit verification for current-limiting resistor compatibility. Brightness of 60mcd closely matches the original 63mcd. Height reduced to 0.80mm provides improved PCB assembly clearance. ROHS3 compliant with MSL 3 rating.

150080RS75000 (Würth Elektronik): Active product with 625nm dominant wavelength and 2.0V forward voltage providing close electrical match. Brightness increased to 150mcd may require optical design consideration if brightness-sensitive. Height reduced to 0.80mm. ROHS3 compliant with MSL 3 rating. Viewing angle of 140° specified.

Tier 2 - Limited Substitutes (Obsolete Product Status)

BR1112H-TR (Stanley Electric Co): Obsolete product status limits long-term availability. Diffused lens transparency differs from clear lens of original part, affecting optical characteristics. Forward voltage of 1.7V significantly lower than original, requiring circuit redesign. MSL 4 rating indicates higher moisture sensitivity than original MSL 3. Use only when no active alternatives are available.

QTLP630C7TR (onsemi): Obsolete product status with limited inventory. Height of 1.20mm exceeds original 0.90mm, potentially causing PCB assembly compatibility issues. Forward voltage of 1.9V requires circuit verification. MSL 1 rating provides superior moisture protection. Use only for legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: Can I use SML-H12V8TT86 as a direct replacement for SML-212VTT86?

A: SML-H12V8TT86 is electrically compatible with forward voltage of 2.2V versus the original 2.05V. The primary difference is reduced brightness (25mcd vs. 63mcd). Direct replacement is possible if brightness reduction is acceptable for the application. Both parts share identical package dimensions and ROHS3 compliance.

Q: What is the impact of forward voltage differences between substitute parts?

A: Forward voltage differences affect the current-limiting resistor calculation in LED driver circuits. A substitute with lower Vf (e.g., 1.9V vs. 2.05V) will draw slightly more current through the same resistor value. Circuit verification is required to ensure the test current remains at 20mA and does not exceed component ratings.

Q: Are the Würth Elektronik parts (150080RS75000 and 150080SS75000) interchangeable?

A: Both Würth parts share identical package dimensions and ROHS3 compliance. The primary differences are wavelength (625nm vs. 630nm) and brightness (150mcd vs. 60mcd). Selection depends on whether the application requires the exact 630nm wavelength specification. 150080SS75000 provides closer brightness match to the original part.

Q: Why is BR1112H-TR listed as a substitute if it is obsolete?

A: BR1112H-TR is included because it was specified in the original part's substitute list. However, its Obsolete status and diffused lens transparency make it unsuitable for new applications. It is retained for reference only in legacy system maintenance scenarios.

Q: What does MSL rating mean for LED component selection?

A: Moisture Sensitivity Level (MSL) indicates the maximum time a component can be exposed to ambient conditions (typically 30°C, 85% relative humidity) before soldering. MSL 3 (168 Hours) allows 7 days of exposure; MSL 4 (72 Hours) allows 3 days. Higher MSL numbers indicate greater moisture sensitivity and require stricter handling procedures.

Q: Can I use QTLP630C7TR despite its 1.20mm height?

A: QTLP630C7TR's height of 1.20mm exceeds the original 0.90mm specification by 0.30mm. This may cause clearance issues with PCB-mounted components or conformal coatings. Use only if mechanical clearance verification confirms compatibility with the PCB assembly design.

Q: Which substitute offers the best long-term availability?

A: SML-H12V8TT86, 150080SS75000, and 150080RS75000 all have Active product status, indicating ongoing manufacturing and availability. SML-H12V8TT86 maintains Rohm Semiconductor supply chain continuity. Würth Elektronik parts provide alternative sourcing options. Obsolete parts (BR1112H-TR and QTLP630C7TR) should not be selected for new designs due to limited inventory and discontinued manufacturing.

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