HSMG-L640 Equivalent & Substitute Parts

Part Overview

The HSMG-L640 is a green surface mount LED indicator manufactured by Broadcom Limited, featuring a 572nm dominant wavelength and 18mcd brightness rating in a 1206 (3216 Metric) package. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and production continuity. Substitute parts must maintain compatibility across electrical characteristics, mechanical dimensions, and mounting requirements while meeting current RoHS and environmental compliance standards.

Key Parameters

Parameter	HSMG-L640
Manufacturer	Broadcom Limited
Product Status	Obsolete
Color	Green
Wavelength - Dominant	572nm
Wavelength - Peak	570nm
Voltage - Forward (Vf) Typical	2.2V
Current - Test	20mA
Millicandela Rating	18mcd
Viewing Angle	70°
Package / Case	1206 (3216 Metric)
Size / Dimension	3.00mm L x 1.50mm W
Height (Max)	1.50mm
Mounting Type	Surface Mount
Lens Transparency	Clear
Lens Style	Round with Flat Top

Substitute Part Grouping Explanation

Substitution eligibility for the HSMG-L640 is determined by the following criteria:

Primary Compatibility Parameters:

Color: Green
Lens Transparency: Clear
Lens Style: Round with Flat Top
Mounting Type: Surface Mount
Current - Test: 20mA
Viewing Angle: 70° (preferred) or compatible range
Wavelength - Dominant: 565nm to 575nm (yellow-green spectrum alignment)
Voltage - Forward (Vf): 2.0V to 2.2V (acceptable tolerance)
Millicandela Rating: 18mcd minimum (brightness equivalence)

Secondary Compatibility Parameters:

Package / Case: 1206 (3216 Metric) or 2-SMD, No Lead with matching footprint dimensions
Size / Dimension: 3.00mm L x 1.50mm W (standard tolerance)
Height (Max): 1.40mm to 1.50mm (PCB clearance compatibility)

Compliance Parameters:

Product Status: Active (preferred for long-term availability)
RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

The substitute parts identified below meet these criteria within acceptable engineering tolerances for direct replacement in existing circuit designs.

Parameter Comparison

Parameter	HSMG-L640	APL3015SGC-F01	APL3015MGC-F01	CMD11-21VGC/TR8	SM1206GC-IL
Manufacturer	Broadcom Limited	Kingbright	Kingbright	Visual Communications Company - VCC	Bivar Inc.
Product Status	Obsolete	Active	Active	Active	Active
Color	Green	Green	Green	Green	Green
Wavelength - Dominant (nm)	572	568	570	—	570
Wavelength - Peak (nm)	570	565	574	570	568
Voltage - Forward (Vf) Typical (V)	2.2	2.2	2.1	2.1	2.0
Current - Test (mA)	20	20	20	20	20
Millicandela Rating (mcd)	18	18	180	7.5	40
Viewing Angle (°)	70	70	70	20	30
Package / Case	1206 (3216 Metric)	2-SMD, No Lead	2-SMD, No Lead	1206 (3216 Metric)	1206 (3216 Metric)
Size / Dimension (mm)	3.00 L x 1.50 W	3.00 L x 1.50 W	3.00 L x 1.50 W	3.00 L x 1.50 W	3.20 L x 1.60 W
Height (Max) (mm)	1.50	1.40	1.40	1.50	1.40
Lens Transparency	Clear	Clear	Clear	Clear	Clear
Lens Style	Round with Flat Top	Round with Flat Top	Round with Flat Top	Round with Flat Top	Round with Flat Top
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2A (4 Weeks)	3 (168 Hours)	3 (168 Hours)	2 (1 Year)	4 (72 Hours)

Engineering Selection Recommendations

Primary Substitute: APL3015SGC-F01 (Kingbright)

APL3015SGC-F01 provides the closest electrical and optical match to HSMG-L640. Forward voltage (2.2V), test current (20mA), and millicandela rating (18mcd) are identical. Wavelength characteristics (568nm dominant, 565nm peak) fall within acceptable yellow-green spectrum alignment. Viewing angle (70°) matches the original specification. The 2-SMD, No Lead package maintains equivalent footprint dimensions (3.00mm L x 1.50mm W) with reduced height (1.40mm). Active product status and ROHS3 compliance ensure long-term availability and regulatory conformance.

Secondary Substitute: SM1206GC-IL (Bivar Inc.)

SM1206GC-IL maintains the 1206 (3216 Metric) package format, ensuring direct mechanical compatibility without PCB layout modification. Wavelength (570nm dominant, 568nm peak) and viewing angle (30°) differ from the original; however, forward voltage (2.0V) and test current (20mA) remain compatible. Millicandela rating (40mcd) exceeds the original specification, providing increased brightness margin. Active product status and ROHS3 compliance support production continuity.

Alternative Substitute: APL3015MGC-F01 (Kingbright)

APL3015MGC-F01 offers enhanced brightness (180mcd) with compatible electrical parameters (2.1V forward voltage, 20mA test current). Wavelength (570nm dominant, 574nm peak) and viewing angle (70°) align with original specifications. The 2-SMD, No Lead package requires PCB footprint verification. This option is suitable for applications requiring increased luminous intensity.

Not Recommended: CMD11-21VGC/TR8 (Visual Communications Company - VCC)

CMD11-21VGC/TR8 exhibits reduced brightness (7.5mcd) and narrower viewing angle (20°), making it unsuitable for direct replacement in applications requiring the original 18mcd specification and 70° viewing angle.

Not Recommended: APL3015ZGC-F01 (Kingbright)

APL3015ZGC-F01 operates at 3.3V forward voltage with 525nm wavelength (pure green spectrum), representing a significant departure from the original 2.2V, 572nm specification. This part is suitable only for applications with different electrical and optical requirements.

Frequently Asked Questions (FAQ)

Q: Can APL3015SGC-F01 be used as a direct replacement for HSMG-L640 without circuit modification?

A: Yes. APL3015SGC-F01 maintains identical forward voltage (2.2V), test current (20mA), and millicandela rating (18mcd). The 2-SMD, No Lead package footprint (3.00mm L x 1.50mm W) is mechanically compatible with standard 1206 PCB pads. Height reduction (1.40mm vs. 1.50mm) does not affect clearance in typical applications.

Q: What is the primary difference between the 1206 package and 2-SMD, No Lead package?

A: Both packages maintain equivalent footprint dimensions (3.00mm L x 1.50mm W) and are compatible with standard 1206 PCB layouts. The 2-SMD, No Lead designation indicates internal construction differences; however, external mechanical and electrical interfaces remain compatible for direct substitution.

Q: Why is CMD11-21VGC/TR8 not recommended as a substitute?

A: CMD11-21VGC/TR8 provides only 7.5mcd brightness compared to the original 18mcd specification, representing a 58% reduction in luminous intensity. Additionally, the 20° viewing angle is significantly narrower than the original 70°, limiting visibility in applications requiring wide-angle indication.

Q: Are there wavelength compatibility concerns when substituting with parts having different dominant wavelengths?

A: Wavelength differences within the yellow-green spectrum (565nm to 575nm) are visually imperceptible to human perception and do not affect circuit functionality. APL3015SGC-F01 (568nm) and SM1206GC-IL (570nm) fall within acceptable tolerance for green LED indication applications. APL3015ZGC-F01 (525nm) represents a distinct pure-green spectrum and should be selected only when specific wavelength requirements are mandated.

Q: What is the impact of different Moisture Sensitivity Levels (MSL) on component handling?

A: HSMG-L640 specifies MSL 2A (4 weeks shelf life after moisture exposure). Substitute parts with higher MSL ratings (3 or 4) require more stringent moisture control during storage and assembly. Kingbright APL3015 series parts (MSL 3, 168 hours) and Bivar SM1206GC-IL (MSL 4, 72 hours) necessitate compliance with IPC-A-610 moisture management protocols. VCC CMD11-21VGC/TR8 (MSL 2, 1 year) provides extended shelf life tolerance.

Q: Can APL3015MGC-F01 be used in applications where increased brightness is beneficial?

A: Yes. APL3015MGC-F01 provides 180mcd brightness, a tenfold increase over the original 18mcd specification. This part is suitable for applications where enhanced visibility is advantageous, provided circuit current limiting is verified to accommodate the higher luminous output at 20mA test current.

Q: What compliance certifications should be verified before component selection?

A: All recommended substitute parts carry ROHS3 compliance and REACH Unaffected status, meeting current environmental and hazardous substance regulations. Verify that selected parts align with your organization's procurement and quality standards before design release.

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