MV6400A Equivalent & Substitute Parts Reference

Part Overview

The MV6400A is a green diffused LED indicator manufactured by Everlight Electronics Co Ltd, designed for through-hole axial mounting applications. This component features a 2V forward voltage, 3mcd brightness rating, and 50° viewing angle in a T-1 3/4 package with flat leads. The product is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support, production continuity, and component sourcing.

Substitute parts listed below maintain functional compatibility through matching or superior electrical characteristics, identical mounting configurations, and equivalent optical properties within the green LED indicator category.

Key Parameters

Parameter	MV6400A Value	Substitution Relevance
Color	Green	Critical - must match
Lens Transparency	Diffused	Critical - optical characteristic
Voltage - Forward (Vf) (Typ)	2V	Critical - circuit compatibility
Current - Test	10mA	Critical - operating condition
Mounting Type	Through Hole, Axial	Critical - mechanical fit
Package / Case	Axial, Flat Leads	Critical - board compatibility
Wavelength - Peak	565nm	Important - color consistency
Millicandela Rating	3mcd	Important - brightness level
Viewing Angle	50°	Important - visibility range
Lens Style	Round with Domed Top	Important - physical form factor
Lens Size	1.90mm Dia	Important - dimensional consistency
Height (Max)	2.92mm	Important - PCB clearance

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict adherence to the following substitution criteria:

Primary Compatibility Criteria (Must Match):

Color: Green
Lens Transparency: Diffused
Mounting Type: Through Hole, Axial
Package / Case: Axial, Flat Leads
Current - Test: 10mA

Secondary Compatibility Criteria (Allowable Variation):

Voltage - Forward (Vf): 2.1V acceptable (5% tolerance above 2V nominal)
Millicandela Rating: Equal or greater brightness acceptable
Viewing Angle: Equal or greater viewing angle acceptable
Wavelength - Peak: 565nm maintained across all substitutes
Lens Size: 1.78mm to 1.91mm Dia acceptable (within T-1 3/4 standard)
Height (Max): 2.92mm maintained

Excluded from Substitution:

Surface mount variants (different mounting type)
Right-angle bend configurations (different package form)
Clear lens variants (different lens transparency)
5V forward voltage parts (exceeds allowable voltage range)
Brightness ratings below 3mcd (insufficient for equivalent function)

Parameter Comparison

Part Number	Manufacturer	Color	Lens Transparency	Vf (Typ)	mcd Rating	Viewing Angle	Mounting Type	Package / Case	Wavelength Peak	Product Status
MV6400A	Everlight Electronics	Green	Diffused	2V	3mcd	50°	Through Hole, Axial	Axial, Flat Leads	565nm	Obsolete
HLMP-6500	Broadcom Limited	Green	Diffused	2.1V	7mcd	90°	Through Hole, Axial	Axial, Flat Leads	565nm	Active
HLMP-6500-F001S	Broadcom Limited	Green	Diffused	2.1V	7mcd	90°	Through Hole	Axial, Right Angle Bend	565nm	Active
HLMP-6505	Broadcom Limited	Green	Clear	2.1V	40mcd	28°	Through Hole, Axial	Axial, Flat Leads	565nm	Active
HLMP-6800	Broadcom Limited	Green	Diffused	5V	5mcd	90°	Through Hole, Axial	Axial, Flat Leads	565nm	Active
HLMP-6820	Broadcom Limited	Green	Diffused	5V	2mcd	90°	Through Hole, Axial	Axial, Flat Leads	565nm	Active

Engineering Selection Recommendations

Direct Substitutes (Axial, Flat Leads Configuration):

HLMP-6500 is the primary direct substitute for MV6400A. Both components share identical mounting type (through-hole axial), package configuration (flat leads), lens transparency (diffused), and wavelength characteristics (565nm peak). The HLMP-6500 operates at 2.1V forward voltage (within 5% tolerance of the 2V nominal), maintains 10mA test current, and provides superior brightness (7mcd versus 3mcd) and wider viewing angle (90° versus 50°). The HLMP-6500 is manufactured by Broadcom Limited and holds active product status with ROHS3 compliance and REACH unaffected certification.

Alternative Consideration (Clear Lens):

HLMP-6505 provides an alternative for applications where increased brightness is required. This part maintains the same axial flat-lead package and through-hole mounting but features a clear lens instead of diffused, resulting in 40mcd brightness with a narrower 28° viewing angle. HLMP-6505 is suitable only when circuit design accommodates higher brightness output and narrower directional viewing characteristics.

Not Recommended for Direct Substitution:

HLMP-6500-F001S features a right-angle bend configuration, which differs mechanically from the flat-lead axial design of MV6400A and requires different PCB layout accommodation.

HLMP-6800 and HLMP-6820 operate at 5V forward voltage, exceeding the allowable voltage range for 2V-rated circuits and requiring circuit redesign.

All substitute parts listed maintain REACH unaffected status and ECCN EAR99 classification, matching the regulatory profile of the original MV6400A component.

Frequently Asked Questions (FAQ)

Q: Can HLMP-6500 directly replace MV6400A without circuit modification?

A: HLMP-6500 is electrically compatible with MV6400A circuits designed for 2V forward voltage operation at 10mA test current. The 2.1V forward voltage of HLMP-6500 falls within standard tolerance ranges for LED indicator circuits. No circuit modification is required for voltage compatibility. Physical mounting is identical (through-hole axial with flat leads). Brightness increase from 3mcd to 7mcd and viewing angle expansion from 50° to 90° represent functional improvements suitable for most indicator applications.

Q: Why is HLMP-6505 listed as a substitute if it has a clear lens instead of diffused?

A: HLMP-6505 is listed as an alternative option for applications where increased brightness is the primary design objective. The clear lens configuration provides 40mcd output compared to 3mcd of MV6400A, making it suitable for applications requiring higher visibility. However, HLMP-6505 is not a direct substitute because lens transparency differs (clear versus diffused), resulting in different optical characteristics and narrower viewing angle (28° versus 50°). Selection of HLMP-6505 requires verification that the application can accommodate these optical differences.

Q: Are HLMP-6800 and HLMP-6820 suitable substitutes?

A: HLMP-6800 and HLMP-6820 are not suitable direct substitutes for MV6400A. Both parts operate at 5V forward voltage, which exceeds the 2V rating of the original component. Circuits designed for 2V LED operation cannot accommodate 5V parts without complete redesign of current-limiting resistor networks and power supply considerations. These parts are listed in the original substitute reference only for informational purposes regarding the HLMP-6xxx product family.

Q: What is the difference between HLMP-6500 and HLMP-6500-F001S?

A: Both parts share identical electrical specifications (2.1V, 7mcd, 565nm, 90° viewing angle). The primary difference is mechanical configuration. HLMP-6500 features flat axial leads suitable for straight through-hole mounting. HLMP-6500-F001S features a right-angle bend configuration (2.54mm center) designed for applications requiring bent lead geometry. Selection depends on PCB layout requirements. For direct replacement of MV6400A flat-lead design, HLMP-6500 is the appropriate choice.

Q: What certifications and compliance status apply to substitute parts?

A: All listed Broadcom Limited substitute parts (HLMP-6500 series and HLMP-6800 series) maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of MV6400A. All parts are classified under ECCN EAR99 and HTSUS 8541.41.0000. Moisture sensitivity level for Broadcom parts is rated 2A (4 weeks), compared to MSL 1 (unlimited) for the original MV6400A. This difference requires appropriate handling procedures during storage and assembly but does not affect functional compatibility.

Q: Can substitute parts be used in existing PCB designs without layout changes?

A: HLMP-6500 can be used in existing MV6400A PCB designs without layout modifications, as both components share identical through-hole axial mounting with flat leads and matching 2.92mm maximum height. Physical footprint compatibility is maintained. HLMP-6500-F001S and surface-mount variants (HLMP-6500-F0010, HLMP-6500-F0011, HLMP-6500-F0021, HLMP-6500-F0031) require PCB layout changes due to different mounting configurations and cannot be used as direct drop-in replacements.

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