ASMT-YTC2-0AA02 Equivalent & Substitute Parts

Part Overview

The ASMT-YTC2-0AA02 is a 6-SMD RGB LED indicator manufactured by Broadcom Limited, featuring independent red, green, and blue channels with a clear lens and square flat-top design. This component is classified as obsolete, making substitute part identification essential for ongoing production and maintenance applications. The part operates at 2.1V forward voltage for red, 3.2V for green, and 3.2V for blue, with a 120° viewing angle and 2.30mm lens size in a 6-PLCC surface mount package.

Key Parameters

Parameter	Value
Manufacturer Part Number	ASMT-YTC2-0AA02
Manufacturer	Broadcom Limited
Product Status	Obsolete
Color Configuration	Red, Green, Blue (RGB) Independent
Lens Type	Clear, Square with Flat Top
Lens Size	2.30mm
Package Type	6-SMD, J-Lead (6-PLCC)
Mounting Type	Surface Mount
Voltage - Forward (Typ)	2.1V Red, 3.2V Green, 3.2V Blue
Current - Test	20mA Red, 20mA Green, 20mA Blue
Viewing Angle	120°
Millicandela Rating	450mcd Red, 560mcd Green, 180mcd Blue
Wavelength - Dominant	622nm Red, 530nm Green, 470nm Blue
Size / Dimension	3.00mm L x 2.80mm W
Height (Max)	1.80mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	2A (4 Weeks)

Substitute Part Grouping Explanation

The ASMT-YTC7-0AA02 qualifies as a direct substitute for the ASMT-YTC2-0AA02 based on the following critical parameters:

Mechanical Compatibility:

Identical package type: 6-SMD, J-Lead (6-PLCC)
Identical lens size: 2.30mm
Identical footprint dimensions: 3.00mm L x 2.80mm W
Compatible mounting type: Surface Mount

Electrical Compatibility:

Matching RGB independent configuration
Forward voltage within acceptable tolerance: Red 2.1V (identical), Green 3.1V (0.1V variance), Blue 3.1V (0.1V variance)
Identical test current: 20mA per channel
Wavelength specifications within acceptable range for RGB indication

Functional Differences:

Lens transparency: Clear (ASMT-YTC2-0AA02) versus Diffused (ASMT-YTC7-0AA02)
Millicandela ratings differ due to lens diffusion characteristics
Viewing angle: 120° (ASMT-YTC2-0AA02) versus 110° (ASMT-YTC7-0AA02)
Height variance: 1.80mm (ASMT-YTC2-0AA02) versus 2.00mm (ASMT-YTC7-0AA02)

Parameter Comparison

Parameter	ASMT-YTC2-0AA02 (Main)	ASMT-YTC7-0AA02 (Substitute)
Manufacturer	Broadcom Limited	Broadcom Limited
Product Status	Obsolete	Active
Color Configuration	Red, Green, Blue (RGB) Independent	Red, Green, Blue (RGB) Independent
Lens Transparency	Clear	Diffused
Lens Size	2.30mm	2.30mm
Package Type	6-SMD, J-Lead (6-PLCC)	6-SMD, J-Lead (6-PLCC)
Mounting Type	Surface Mount	Surface Mount
Voltage - Forward (Typ)	2.1V Red, 3.2V Green, 3.2V Blue	2.1V Red, 3.1V Green, 3.1V Blue
Current - Test	20mA Red, 20mA Green, 20mA Blue	20mA Red, 20mA Green, 20mA Blue
Viewing Angle	120°	110°
Millicandela Rating	450mcd Red, 560mcd Green, 180mcd Blue	330mcd Red, 840mcd Green, 160mcd Blue
Wavelength - Dominant	622nm Red, 530nm Green, 470nm Blue	623nm Red, 529nm Green, 469nm Blue
Size / Dimension	3.00mm L x 2.80mm W	3.00mm L x 2.80mm W
Height (Max)	1.80mm	2.00mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	2A (4 Weeks)	3 (168 Hours)

Engineering Selection Recommendations

The ASMT-YTC7-0AA02 is the active production equivalent for the obsolete ASMT-YTC2-0AA02. Both components maintain ROHS3 compliance and are manufactured by Broadcom Limited, ensuring regulatory consistency.

Primary Consideration: The ASMT-YTC7-0AA02 features a diffused lens versus the clear lens of the original part. This optical difference results in lower millicandela ratings but broader light distribution characteristics. Applications requiring specific luminous intensity profiles must account for these differences.

Secondary Consideration: The ASMT-YTC7-0AA02 exhibits a 0.20mm height increase (2.00mm versus 1.80mm) and a 10° reduction in viewing angle (110° versus 120°). PCB layout and optical design must accommodate these dimensional and angular variations.

Compliance Status: Both parts maintain identical RoHS3 compliance and REACH unaffected status, supporting direct substitution in regulated applications.

Frequently Asked Questions (FAQ)

Q: Can the ASMT-YTC7-0AA02 replace the ASMT-YTC2-0AA02 in existing PCB designs?

A: Mechanical and electrical compatibility is confirmed for the 6-PLCC package footprint. However, the 0.20mm height difference and diffused lens characteristics require design review to ensure optical and spatial requirements are met.

Q: What is the primary difference between these two RGB LED indicators?

A: The ASMT-YTC2-0AA02 features a clear lens with higher red and green millicandela ratings, while the ASMT-YTC7-0AA02 features a diffused lens with different light distribution characteristics. The diffused lens provides broader viewing angles at the cost of reduced peak luminous intensity.

Q: Are the forward voltage specifications compatible?

A: Forward voltages are within acceptable tolerance. Red channels are identical at 2.1V. Green and blue channels differ by 0.1V (ASMT-YTC2-0AA02 at 3.2V versus ASMT-YTC7-0AA02 at 3.1V). Circuit designs must accommodate this variance through appropriate current-limiting resistor selection.

Q: What packaging format is used for the ASMT-YTC7-0AA02?

A: The ASMT-YTC7-0AA02 is supplied in Tape & Reel (TR) format, whereas the ASMT-YTC2-0AA02 packaging format was not specified. Verify tape specifications and reel compatibility with assembly equipment.

Q: Are both parts suitable for high-reliability applications?

A: Both components maintain ROHS3 compliance and REACH unaffected status. The ASMT-YTC7-0AA02 carries a higher moisture sensitivity level (MSL 3 versus MSL 2A), requiring stricter moisture control during storage and assembly.

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