MV7744 Equivalent & Substitute Parts Reference

Part Overview

The MV7744 is an orange LED indication component manufactured by Everlight Electronics Co Ltd, designed for through-hole mounting applications. This T-1 form factor LED operates at 2.1V forward voltage with a 375mcd brightness rating and features a clear, domed lens with 60° viewing angle. The component is Active status and ROHS3 compliant, suitable for standard indication circuits requiring orange wavelength output at 620nm peak.

Substitute parts are identified to address inventory availability, alternative sourcing requirements, or specific application parameter needs while maintaining functional compatibility within the T-1 through-hole LED category.

Key Parameters

Parameter	MV7744 Specification
Manufacturer	Everlight Electronics Co Ltd
Color	Orange
Lens Type	Round with Domed Top, Clear
Lens Size	3mm, T-1
Voltage - Forward (Vf) Typical	2.1V
Current - Test	20mA
Millicandela Rating	375mcd
Wavelength - Peak	620nm
Viewing Angle	60°
Mounting Type	Through Hole
Package / Case	Radial
Height (Max)	6.30mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the MV7744 are grouped based on the following compatibility criteria:

Primary Substitution Criteria (Mandatory Match):

Lens Size: 3mm, T-1 form factor
Mounting Type: Through Hole
Package / Case: Radial configuration
Lens Transparency: Clear
Lens Style: Round with Domed Top
Current - Test: 20mA
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Compatibility Parameters (Allowable Variation):

Color: Orange or Yellow (both standard indication colors)
Voltage - Forward (Vf): 2.0V to 2.2V range (acceptable for 20mA test current)
Millicandela Rating: 375mcd to 3700mcd (brightness variation acceptable for indication applications)
Viewing Angle: 30° to 60° (application-dependent)
Wavelength - Peak: 590nm to 620nm (color spectrum range)
Height (Max): 4.60mm to 6.30mm (PCB clearance dependent)

Substitutes are identified as direct equivalents when color and wavelength match the MV7744 orange specification, or as functional alternatives when color differs but all mechanical and electrical parameters remain compatible.

Parameter Comparison

Parameter	MV7744	SSL-LX3044SOC	WP710A10SEC	WP710A10SECK/J4	OVLBY4C7	SSL-LX3044SYC	WP710A10SYC	WP710A10SYC/J3	WP710A10SYCK
Manufacturer	Everlight	Lumex	Kingbright	Kingbright	TT Electronics/Optek	Lumex	Kingbright	Kingbright	Kingbright
Color	Orange	Orange	Orange	Orange	Yellow	Yellow	Yellow	Yellow	Yellow
Lens Size	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1
Voltage - Forward (Vf) Typical	2.1V	2.0V	2.0V	2.2V	2.0V	2.1V	2.0V	2.0V	2.0V
Current - Test	20mA	20mA	20mA	20mA	20mA	20mA	20mA	20mA	20mA
Millicandela Rating	375mcd	1000mcd	800mcd	3000mcd	3700mcd	1000mcd	1200mcd	2800mcd	1300mcd
Wavelength - Peak	620nm	620nm	610nm	611nm	—	590nm	590nm	590nm	590nm
Viewing Angle	60°	30°	34°	34°	45°	30°	34°	34°	34°
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial	Radial	Radial	Radial	Radial	Radial	Radial
Height (Max)	6.30mm	4.60mm	5.90mm	5.90mm	5.35mm	4.60mm	5.90mm	5.90mm	5.90mm
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
Moisture Sensitivity Level	1	1	1	1	1	1	1	1	1

Engineering Selection Recommendations

Direct Orange Equivalents (Recommended Primary Substitutes):

SSL-LX3044SOC and WP710A10SEC are direct functional equivalents to the MV7744 in orange color specification. Both maintain the 3mm T-1 through-hole radial package, clear domed lens, and 20mA test current. SSL-LX3044SOC operates at 2.0V forward voltage with 1000mcd brightness and 30° viewing angle. WP710A10SEC operates at 2.0V with 800mcd brightness and 34° viewing angle. Both are ROHS3 compliant with MSL 1 rating. Height differences (4.60mm and 5.90mm respectively versus 6.30mm MV7744) require PCB clearance verification.

WP710A10SECK/J4 provides higher brightness (3000mcd) at 2.2V forward voltage, suitable for applications requiring increased luminous intensity within the same form factor and compliance profile.

Yellow Functional Alternatives:

OVLBY4C7, SSL-LX3044SYC, WP710A10SYC, WP710A10SYC/J3, and WP710A10SYCK are yellow LED substitutes maintaining identical mechanical compatibility and electrical test parameters. These components are applicable where yellow indication is functionally acceptable. All maintain ROHS3 compliance and MSL 1 rating. Forward voltage ranges from 2.0V to 2.1V. Brightness ratings vary from 1000mcd to 3700mcd, accommodating different visibility requirements.

All substitute parts listed are Active status products with established inventory availability and full regulatory compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can WP710A10SECK/J4 directly replace MV7744 in existing circuit designs?

A: WP710A10SECK/J4 is mechanically and electrically compatible as a direct substitute. The 3mm T-1 through-hole radial package, clear domed lens, and 20mA test current match MV7744 specifications. Forward voltage is 2.2V (versus 2.1V), which is within acceptable tolerance for standard indication circuits. Brightness is significantly higher at 3000mcd. PCB clearance must accommodate the 5.90mm height versus original 6.30mm. No circuit redesign is required.

Q: What is the difference between orange and yellow LED substitutes?

A: Orange substitutes (SSL-LX3044SOC, WP710A10SEC, WP710A10SECK/J4) maintain the MV7744 wavelength specification at 610nm to 620nm peak. Yellow substitutes (OVLBY4C7, SSL-LX3044SYC, WP710A10SYC variants, WP710A10SYCK) operate at 589nm to 590nm peak wavelength. Color selection depends on application requirements. Both color families maintain identical mechanical form factors and electrical test parameters.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification identical to the MV7744. Moisture Sensitivity Level is 1 (Unlimited) across all parts, indicating no special handling requirements during storage or assembly.

Q: How do brightness ratings affect substitution decisions?

A: MV7744 operates at 375mcd. Substitute parts range from 800mcd to 3700mcd. Higher brightness substitutes (WP710A10SECK/J4 at 3000mcd, OVLBY4C7 at 3700mcd) provide increased visibility but may require circuit current limiting adjustment if brightness is excessive for the application. Lower brightness substitutes (SSL-LX3044SOC at 1000mcd, WP710A10SEC at 800mcd) provide reduced visibility and may require circuit optimization for adequate indication.

Q: What viewing angle considerations apply to substitution?

A: MV7744 features 60° viewing angle. Most substitutes provide 30° to 45° viewing angles. Narrower viewing angles concentrate light intensity in the forward direction, suitable for direct-view applications. Wider angles distribute light across a broader field. Application mounting position and observer angle determine whether narrower viewing angle substitutes are acceptable.

Q: Do height differences between substitute parts affect PCB design?

A: Yes. MV7744 maximum height is 6.30mm. Substitutes range from 4.60mm to 5.90mm. Shorter components provide additional PCB clearance. Taller components may require clearance verification if mounted near other components or enclosure walls. Height differences do not affect electrical function but require mechanical layout confirmation.

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