MV7043 LED Red Clear T-1 T/H Equivalent & Substitute Parts

Part Overview

The onsemi MV7043 is a red LED indication component in T-1 (3mm) through-hole radial package, rated at 2.1V forward voltage with 240mcd brightness. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The MV7043 serves standard red LED indication functions in discrete circuit designs requiring through-hole mounting.

Key Parameters

Parameter	MV7043 Specification
Manufacturer	onsemi
Color	Red
Lens Size	3mm, T-1
Lens Transparency	Clear
Voltage - Forward (Vf) Typical	2.1V
Current - Test	20mA
Millicandela Rating	240mcd
Viewing Angle	60°
Wavelength - Peak	645nm
Mounting Type	Through Hole
Package / Case	Radial
Height (Max)	6.30mm
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the MV7043 is determined by strict alignment of the following parameters:

Color: Red (all substitutes must be red)
Lens Size: 3mm, T-1 form factor (all substitutes must maintain this package)
Mounting Type: Through Hole radial configuration
Lens Transparency: Clear
Current - Test: 20mA operating condition
Voltage - Forward (Vf): Range 1.9V to 2.2V (acceptable tolerance for 2.1V nominal)
Package / Case: Radial through-hole

All substitute parts listed below meet these core substitution criteria. Variations in millicandela rating, viewing angle, and peak wavelength are acceptable within the red LED spectrum (615nm to 645nm) provided the electrical and mechanical parameters align.

Parameter Comparison

Parameter	MV7043 (onsemi)	151033RS03000 (Würth Elektronik)	HLMA-KH00-J0000 (Broadcom)	OVLBR4C7 (TT Electronics)	SSL-LX3044SIC (Lumex)	WP710A10SECK/J3 (Kingbright)	WP710A10SURCK (Kingbright)	XLM2ACR11W (SunLED)
Color	Red	Red	Red	Red	Red	Red	Red	Red
Lens Size	3mm, T-1	3.00mm Dia	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1	3mm, T-1
Lens Transparency	Clear	Clear	Clear	Clear	Clear	Clear	Clear	Clear
Voltage - Forward (Vf) Typical	2.1V	2V	1.9V	2V	2.1V	2.2V	1.95V	2.2V
Current - Test	20mA	20mA	20mA	20mA	20mA	20mA	20mA	20mA
Millicandela Rating	240mcd	2600mcd	200mcd	3700mcd	1800mcd	1600mcd	2700mcd	2390mcd
Viewing Angle	60°	30°	45°	45°	30°	34°	30°	34°
Wavelength - Peak	645nm	628nm	621nm	—	636nm	640nm	645nm	640nm
Mounting Type	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
Height (Max)	6.30mm	5.55mm	4.70mm	5.35mm	4.60mm	5.90mm	5.90mm	4.60mm
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are active production components with ROHS3 compliance, providing regulatory advantage over the obsolete MV7043. Selection among substitutes should be based on the following criteria derived from provided specifications:

Voltage Compatibility: The MV7043 operates at 2.1V nominal. Substitutes with forward voltages between 1.9V and 2.2V (HLMA-KH00-J0000, 151033RS03000, OVLBR4C7, SSL-LX3044SIC, WP710A10SECK/J3, WP710A10SURCK, XLM2ACR11W) are electrically compatible within standard circuit design tolerances.

Brightness Considerations: The MV7043 provides 240mcd at 20mA. Substitutes range from 200mcd (HLMA-KH00-J0000) to 3700mcd (OVLBR4C7). Higher brightness substitutes (151033RS03000, OVLBR4C7, WP710A10SURCK, XLM2ACR11W) may require circuit-level current limiting adjustments if visual intensity must remain constant.

Viewing Angle: The MV7043 features a 60° viewing angle. Substitutes with narrower angles (30° to 45°) concentrate light intensity and may alter visual perception in the application. Circuit board layout and viewing geometry should be evaluated.

Height Constraints: The MV7043 maximum height is 6.30mm. All substitutes are shorter (4.60mm to 5.90mm), providing board layout flexibility with no height compatibility issues.

Wavelength: The MV7043 peak wavelength is 645nm (red spectrum). All substitutes fall within the red LED spectrum (621nm to 645nm), ensuring consistent color appearance.

Inventory and Availability: Active production status for all substitutes ensures long-term supply chain stability compared to the obsolete MV7043.

Frequently Asked Questions (FAQ)

Q: Can I directly replace MV7043 with any of these substitutes without circuit modification?

A: Direct mechanical and electrical substitution is possible for all listed parts. All maintain 3mm T-1 through-hole radial package, 20mA test current, and forward voltage within 1.9V to 2.2V range. However, brightness differences may require current limiting circuit adjustment if visual intensity must remain constant to the original 240mcd specification.

Q: Which substitute is closest to the original MV7043 specifications?

A: SSL-LX3044SIC (Lumex) and WP710A10SURCK (Kingbright) provide the closest electrical match with 2.1V and 1.95V forward voltage respectively, and peak wavelengths of 636nm and 645nm. Both are active production components with ROHS3 compliance.

Q: Does the viewing angle difference affect substitution compatibility?

A: Viewing angle affects light distribution but not electrical compatibility. The MV7043 provides 60° viewing angle. Substitutes with 30° to 45° angles concentrate light in a narrower cone. Application-specific board layout and viewing geometry determine whether this is acceptable.

Q: Are all substitutes RoHS compliant?

A: Yes. All active substitute parts listed are ROHS3 compliant. The original MV7043 (obsolete) does not specify RoHS status.

Q: What is the height difference impact?

A: The MV7043 is 6.30mm maximum height. All substitutes are shorter (4.60mm to 5.90mm), providing additional board clearance. No height compatibility issues exist for standard through-hole applications.

Q: Can I use higher brightness substitutes like OVLBR4C7 (3700mcd) as direct replacements?

A: Electrical substitution is valid. However, the 15x brightness increase (3700mcd vs. 240mcd) will produce significantly brighter indication. Circuit-level current limiting or series resistor adjustment is required if original brightness must be maintained.

Q: Which substitute has the best long-term availability?

A: All listed substitutes are active production components. Kingbright (WP710A10SECK/J3, WP710A10SURCK), Würth Elektronik (151033RS03000), and SunLED (XLM2ACR11W) maintain high inventory levels (2,811 to 66,850 units), indicating strong supply chain support.

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