SML-P11YTT86 Yellow LED 0402 SMD Equivalent & Substitute Parts

Part Overview

The SML-P11YTT86 is a yellow 586nm LED indicator in 0402 (1006 Metric) surface mount package manufactured by Rohm Semiconductor under the PicoLED™ series. This component is classified as Not For New Designs, making identification of equivalent and substitute parts essential for ongoing production support, maintenance applications, and design transitions.

The part delivers 7.6mcd brightness at 1mA test current with a forward voltage of 1.9V typical. Its compact 1.00mm × 0.60mm footprint with 0.25mm maximum height supports high-density PCB layouts. ROHS3 compliance and MSL 3 rating (168 hours) confirm suitability for standard manufacturing environments.

Key Parameters

Parameter	Value
Manufacturer Part Number	SML-P11YTT86
Manufacturer	Rohm Semiconductor
Color	Yellow
Wavelength - Dominant	586nm
Voltage - Forward (Vf) Typical	1.9V
Current - Test	1mA
Millicandela Rating	7.6mcd
Package / Case	0402 (1006 Metric)
Size / Dimension	1.00mm L × 0.60mm W
Height (Max)	0.25mm
Mounting Type	Surface Mount
Lens Transparency	Clear
Lens Style	Square with Flat Top
Product Status	Not For New Designs
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the SML-P11YTT86 are categorized based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

Color: Yellow wavelength range (586nm–590nm acceptable)
Package Type: 0402 (1006 Metric) or equivalent compact SMD footprint
Voltage - Forward (Vf): 1.9V–2.0V range
Mounting Type: Surface Mount
Lens Transparency: Clear
RoHS Compliance: ROHS3 Compliant

Parametric Equivalent: SML-P11YTT86R matches all electrical and mechanical specifications identically, differing only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel).

Similar Substitutes: 16-213UYC/S530-A2/TR8 and XZMYK68W-2 maintain yellow color and 0402 package compatibility with acceptable variations in forward voltage (2.0V), test current (20mA), and brightness (38mcd and 148mcd respectively).

Cross-Color Consideration: HSML-C120 (orange, 605nm) represents a different color family and is listed for reference only; substitution requires application-specific validation of color perception requirements.

Parameter Comparison

Parameter	SML-P11YTT86	SML-P11YTT86R	16-213UYC/S530-A2/TR8	XZMYK68W-2	HSML-C120
Manufacturer	Rohm Semiconductor	Rohm Semiconductor	Everlight Electronics	SunLED	Broadcom Limited
Color	Yellow	Yellow	Yellow	Yellow	Orange
Wavelength - Dominant	586nm	586nm	589nm	590nm	605nm
Voltage - Forward (Vf) Typical	1.9V	1.9V	2.0V	2.0V	1.9V
Current - Test	1mA	1mA	20mA	20mA	20mA
Millicandela Rating	7.6mcd	7.6mcd	38mcd	148mcd	90mcd
Package / Case	0402 (1006 Metric)	0402 (1006 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	2-SMD, No Lead
Size / Dimension	1.00mm L × 0.60mm W	1.00mm L × 0.60mm W	1.00mm L × 0.50mm W	1.00mm L × 0.50mm W	1.60mm L × 1.00mm W
Height (Max)	0.25mm	0.25mm	0.55mm	0.60mm	0.60mm
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount, Right Angle
Lens Transparency	Clear	Clear	Clear	Clear	Clear
Lens Style	Square with Flat Top	Square with Flat Top	Rectangle with Flat Top	Rectangle with Flat Top	Rectangle with Domed Top
Viewing Angle	Not specified	Not specified	120°	120°	155°
Product Status	Not For New Designs	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	3 (168 Hours)	Not specified	3 (168 Hours)	2A (4 Weeks)

Engineering Selection Recommendations

Direct Replacement (Recommended): SML-P11YTT86R is the primary substitute. It maintains identical electrical and mechanical specifications while offering Active product status and improved availability (2,118 units in stock). The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel), which does not affect circuit performance. Both parts carry ROHS3 compliance and equivalent MSL ratings.

Alternative Yellow LEDs: 16-213UYC/S530-A2/TR8 (Everlight) and XZMYK68W-2 (SunLED) are functionally compatible yellow indicators with higher brightness ratings (38mcd and 148mcd respectively). These parts operate at 2.0V forward voltage and 20mA test current, requiring circuit validation if the original design assumes 1.9V/1mA operation. Both maintain 0402 package compatibility and ROHS3 compliance. XZMYK68W-2 offers significantly higher inventory (29,188 units).

Cross-Color Consideration: HSML-C120 (Broadcom, orange 605nm) differs in color family and mounting style (right angle). Substitution is not recommended without explicit application requirements for orange indication and acceptance of increased brightness (90mcd) and different viewing angle (155°).

Compliance Verification: All recommended substitutes maintain ROHS3 compliance and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can SML-P11YTT86R be used as a direct drop-in replacement? A: Yes. SML-P11YTT86R is electrically and mechanically identical to SML-P11YTT86. The difference is packaging format only (Cut Tape & Digi-Reel® versus Tape & Reel). Both parts are compatible with identical PCB footprints and circuit designs.

Q: What is the difference between the 0402 (1006 Metric) and 0402 (1005 Metric) packages? A: The metric designations indicate slight dimensional variations. 1006 Metric (SML-P11YTT86) measures 1.00mm × 0.60mm, while 1005 Metric (16-213UYC/S530-A2/TR8, XZMYK68W-2) measures 1.00mm × 0.50mm. Both fit standard 0402 PCB pads, though the 1005 variant is slightly narrower. Verify PCB layout constraints before substitution.

Q: Can I substitute a higher brightness LED (38mcd or 148mcd) for the 7.6mcd original? A: Brightness substitution depends on application requirements. Higher brightness LEDs (16-213UYC/S530-A2/TR8 at 38mcd, XZMYK68W-2 at 148mcd) will produce visibly brighter indication. If the circuit design relies on specific brightness levels for optical performance or power consumption, substitution requires validation. Forward voltage differences (2.0V versus 1.9V) may also require circuit adjustment.

Q: What does "Not For New Designs" status mean for the original part? A: This designation indicates the SML-P11YTT86 is in end-of-life phase and not recommended for new product development. SML-P11YTT86R (Active status) is the manufacturer's recommended transition path. For ongoing production support of existing designs, either part is acceptable.

Q: Are all substitute parts ROHS3 compliant? A: SML-P11YTT86R, XZMYK68W-2, and HSML-C120 are confirmed ROHS3 compliant. Compliance status for 16-213UYC/S530-A2/TR8 is not specified in available data; verify with the supplier before use in regulated applications.

Q: What is the MSL (Moisture Sensitivity Level) difference between parts? A: SML-P11YTT86, SML-P11YTT86R, and XZMYK68W-2 carry MSL 3 (168 hours), requiring dry storage and controlled reflow conditions. HSML-C120 carries MSL 2A (4 weeks), indicating lower moisture sensitivity and more relaxed handling requirements. MSL differences do not affect circuit performance but impact manufacturing process controls.

Q: Can HSML-C120 (orange) replace the yellow SML-P11YTT86? A: HSML-C120 is a different color family (orange 605nm versus yellow 586nm) and uses a different package style (2-SMD, No Lead with right-angle mounting). Substitution is not recommended unless the application explicitly requires orange indication. Additionally, HSML-C120 is significantly brighter (90mcd) and uses right-angle mounting, requiring PCB layout changes.

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