MV8304 LED Yellow Clear T-1 3/4 Through Hole Equivalent & Substitute Parts

Part Overview

The MV8304 is an active yellow LED indication component manufactured by Everlight Electronics Co Ltd, designed for through-hole mounting applications. This discrete radial LED operates at 2.1V forward voltage with a 20mA test current and delivers 1500mcd luminous intensity through a clear domed lens. The component is RoHS3 compliant and carries unlimited moisture sensitivity rating (MSL 1), making it suitable for standard industrial and commercial applications.

Substitute parts are necessary when the primary MV8304 becomes unavailable due to inventory constraints, supply chain disruptions, or manufacturing discontinuation. Alternative components meeting equivalent electrical and mechanical specifications ensure design continuity and production schedules without requiring circuit redesign.

Key Parameters

Parameter	MV8304 Specification
Manufacturer	Everlight Electronics Co Ltd
Color	Yellow
Lens Transparency	Clear
Lens Style	Round with Domed Top
Lens Size	5mm, T-1 3/4
Voltage - Forward (Vf) Typical	2.1V
Current - Test	20mA
Millicandela Rating	1500mcd
Viewing Angle	20°
Wavelength - Peak	590nm
Mounting Type	Through Hole
Package / Case	Radial
Height (Max)	8.89mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution of the MV8304 is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Color: Yellow (eliminates orange-emitting alternatives)
Lens Transparency: Clear (eliminates diffused or tinted variants)
Mounting Type: Through Hole Radial (maintains PCB compatibility)
Lens Size: 5mm, T-1 3/4 form factor (ensures mechanical fit)
Voltage - Forward (Vf): 2.0V to 2.2V range (compatible with standard 20mA current-limiting circuits)
Current - Test: 20mA (standard test condition)
Package / Case: Radial (maintains lead configuration)
RoHS Status: ROHS3 Compliant (regulatory requirement)
Moisture Sensitivity Level: 1 (Unlimited) (storage and handling compatibility)

Secondary Compatibility Parameters:

Millicandela Rating: 1000mcd to 7400mcd (brightness variation acceptable within application tolerance)
Viewing Angle: 8° to 30° (application-dependent; narrower angles concentrate light, wider angles distribute it)
Wavelength - Peak: 589nm to 591nm (yellow spectrum consistency)
Height (Max): 8.60mm to 8.91mm (PCB clearance compatibility)

Parts failing to meet primary criteria are excluded from substitution consideration. Parts meeting all primary criteria are classified as direct substitutes regardless of secondary parameter variations.

Parameter Comparison

Part Number	Manufacturer	Color	Vf (Typ)	mcd Rating	Viewing Angle	Wavelength Peak (nm)	Height Max (mm)	Lens Size	RoHS Status
MV8304	Everlight Electronics	Yellow	2.1V	1500mcd	20°	590nm	8.89mm	5mm, T-1 3/4	ROHS3
5219466F	Dialight	Yellow	2.2V	140mcd	24°	583nm	8.81mm	4.83mm Dia	ROHS3
LTL2R3KSK	Lite-On Inc.	Yellow	2.05V	1150mcd	30°	590nm	8.70mm	5mm, T-1 3/4	ROHS3
OVLFY3C7	TT Electronics/Optek Technology	Yellow	2V	7400mcd	30°	589nm	8.70mm	5mm, T-1 3/4	ROHS3
OVLGY0C9B9	TT Electronics/Optek Technology	Yellow	2V	14000mcd	8°	589nm	8.90mm	5mm, T-1 3/4	ROHS3
SLI-570Y2T3F	Rohm Semiconductor	Yellow	2.1V	5200mcd	20°	591nm	8.85mm	5.00mm Dia	ROHS3
SLI-570YT3F	Rohm Semiconductor	Yellow	2.1V	5200mcd	20°	591nm	8.85mm	5mm, T-1 3/4	ROHS3
SSL-LX5093SYC	Lumex Opto/Components Inc.	Yellow	2.1V	1000mcd	30°	590nm	8.60mm	5mm, T-1 3/4	ROHS3

Engineering Selection Recommendations

Tier 1 Direct Substitutes (Highest Compatibility):

The following parts meet all primary substitution criteria and maintain closest alignment with MV8304 specifications:

SLI-570YT3F (Rohm Semiconductor): Identical forward voltage (2.1V), matching viewing angle (20°), equivalent wavelength (591nm), and T-1 3/4 form factor. Product status active with RoHS3 compliance. Brightness (5200mcd) exceeds MV8304 (1500mcd), suitable for applications tolerating increased luminous intensity.
SSL-LX5093SYC (Lumex Opto/Components Inc.): Matching forward voltage (2.1V), equivalent wavelength (590nm), and T-1 3/4 form factor. Product status active with RoHS3 compliance. Brightness (1000mcd) is lower than MV8304; appropriate for applications where reduced intensity is acceptable or beneficial.
LTL2R3KSK (Lite-On Inc.): Forward voltage within acceptable range (2.05V), equivalent wavelength (590nm), and T-1 3/4 form factor. Product status active with RoHS3 compliance. Brightness (1150mcd) approximates MV8304 performance. Viewing angle (30°) is wider than MV8304 (20°).

Tier 2 Conditional Substitutes (Application-Dependent):

OVLFY3C7 (TT Electronics/Optek Technology): Forward voltage (2V) within acceptable range, equivalent wavelength (589nm), and T-1 3/4 form factor. Product status active with RoHS3 compliance. Brightness (7400mcd) significantly exceeds MV8304; suitable only for applications requiring high-intensity indication or where brightness variation is tolerated.
OVLGY0C9B9 (TT Electronics/Optek Technology): Forward voltage (2V) within acceptable range, equivalent wavelength (589nm), and T-1 3/4 form factor. Product status active with RoHS3 compliance. Brightness (14000mcd) substantially exceeds MV8304; narrow viewing angle (8°) concentrates light output. Suitable for focused indication applications only.
SLI-570Y2T3F (Rohm Semiconductor): Forward voltage (2.1V) matches MV8304, viewing angle (20°) matches, equivalent wavelength (591nm). Product status active with RoHS3 compliance. Brightness (5200mcd) exceeds MV8304. Lens size specification (5.00mm Dia) differs from T-1 3/4 designation; verify mechanical fit in target application.

Not Recommended for Direct Substitution:

5219466F (Dialight): Brightness (140mcd) is substantially lower than MV8304 (1500mcd), representing approximately 91% reduction in luminous intensity. Lens size (4.83mm Dia) deviates from standard 5mm T-1 3/4 form factor. Suitable only for applications where minimal indication brightness is required.
HLMP-EJ30-NR0DD (Broadcom Limited): Orange color (605nm wavelength) does not meet yellow color requirement. Excluded from substitution consideration.
SSL-LX5093SOC (Lumex Opto/Components Inc.): Orange color (610nm wavelength) does not meet yellow color requirement. Excluded from substitution consideration.
WP7113SECK/J4 (Kingbright): Orange color (605nm wavelength) does not meet yellow color requirement. Excluded from substitution consideration.

All recommended substitutes maintain RoHS3 compliance, MSL 1 rating, and active product status, ensuring regulatory alignment and supply chain viability.

Frequently Asked Questions (FAQ)

Q: Can I substitute MV8304 with a part having different brightness (mcd rating)?

A: Yes, provided all other primary parameters align. Brightness variation is acceptable within application tolerance. Higher brightness (SLI-570YT3F at 5200mcd, OVLFY3C7 at 7400mcd) increases visibility but may require circuit current-limiting adjustment if the application is brightness-sensitive. Lower brightness (SSL-LX5093SYC at 1000mcd) reduces power consumption and heat generation. Verify application requirements before selection.

Q: What is the significance of the viewing angle parameter in substitution?

A: Viewing angle determines the light distribution pattern. MV8304 has a 20° viewing angle, concentrating light in a narrow cone. Substitutes with wider angles (30°) distribute light over a broader area, reducing peak intensity in the forward direction. Substitutes with narrower angles (8°) concentrate light further. Select based on application requirements: narrow angles for focused indication, wide angles for general visibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this document carry RoHS3 compliance certification, matching the MV8304 regulatory status. This ensures compatibility with environmental and procurement requirements.

Q: Can I use 5219466F as a substitute despite its lower brightness?

A: 5219466F is not recommended as a direct substitute due to 91% reduction in brightness (140mcd versus 1500mcd) and lens size deviation (4.83mm Dia versus 5mm T-1 3/4). Use only if the application explicitly requires minimal indication brightness and mechanical fit is verified.

Q: What is the difference between SLI-570YT3F and SLI-570Y2T3F?

A: Both parts share identical electrical specifications (2.1V forward voltage, 5200mcd brightness, 20° viewing angle, 591nm wavelength). SLI-570YT3F specifies T-1 3/4 form factor explicitly, while SLI-570Y2T3F specifies 5.00mm Dia without T-1 3/4 designation. SLI-570YT3F is preferred for direct MV8304 substitution to ensure mechanical compatibility.

Q: Do all substitute parts have the same moisture sensitivity level as MV8304?

A: Yes. All substitute parts carry MSL 1 (Unlimited) rating, matching MV8304. This ensures identical storage, handling, and shelf-life requirements.

Q: Which substitute offers the closest performance match to MV8304?

A: SLI-570YT3F (Rohm Semiconductor) provides the closest match: identical forward voltage (2.1V), matching viewing angle (20°), equivalent wavelength (591nm), and T-1 3/4 form factor. The primary difference is higher brightness (5200mcd versus 1500mcd), which is acceptable in most applications.

Q: Can I use OVLGY0C9B9 in place of MV8304?

A: OVLGY0C9B9 is suitable only for applications requiring focused, high-intensity indication. Its 8° viewing angle concentrates light significantly compared to MV8304's 20° angle, and its 14000mcd brightness is approximately 9.3 times higher. Use only if the application specifically requires narrow-beam, high-intensity indication.

Q: What should I verify before implementing a substitute part?

A: Verify the following: (1) Forward voltage compatibility with existing current-limiting circuit design; (2) Brightness (mcd) acceptability for the application's visibility requirements; (3) Viewing angle suitability for the intended mounting orientation and viewing geometry; (4) Mechanical fit within the PCB layout, considering height and lens diameter; (5) Wavelength consistency with any color-matching requirements in multi-LED assemblies.

Q: Are there any supply chain advantages to specific substitute parts?

A: Yes. OVLGY0C9B9 and OVLFY3C7 (TT Electronics/Optek Technology) show highest inventory levels (79,595 and 41,918 units respectively), indicating strong supply availability. SLI-570YT3F and SSL-LX5093SYC show moderate availability (1,826 and 39,797 units). 5219466F shows lower availability (1,273 units). Consider inventory status for long-term supply chain planning.

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