MV33509MP93 LED Circuit Board Indicator - Equivalent & Substitute Parts

Part Overview

The MV33509MP93 is a dual-level yellow LED circuit board indicator manufactured by onsemi, featuring a 5mm T-1 3/4 through-hole right-angle configuration. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part operates at 2.2V with a 20mA test current and delivers 150mcd brightness in a tinted lens configuration. Substitute parts must maintain compatibility with the dual-level circuit board indicator form factor while meeting the electrical and mechanical specifications required for direct replacement.

Key Parameters

Parameter	MV33509MP93 Specification
Manufacturer	onsemi
Product Status	Obsolete
Color	Yellow (x 2)
Configuration	2 High (Dual-Level)
Voltage Rating	2.2V
Current	20mA
Millicandela Rating	150mcd
Wavelength - Peak	565nm
Lens Type	Tinted
Lens Style	Round with Domed Top
Lens Size	5mm, T-1 3/4
Mounting Type	Through Hole, Right Angle
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MV33509MP93 is determined by the following critical parameters:

Primary Compatibility Criteria:

Configuration: Dual-level (2 High) circuit board indicator form factor
Mounting Type: Through hole, right-angle orientation
Lens Size: 5mm, T-1 3/4 package
Color: Yellow
Voltage Range: 2.0V to 2.2V forward voltage
Current Rating: 20mA test current
Lens Style: Round with domed top

Acceptable Variation Parameters:

Millicandela Rating: 140mcd to 450mcd (brightness variation acceptable within circuit board indicator application)
Wavelength Peak: 565nm to 592nm (yellow spectrum range)
Lens Transparency: Tinted or diffused acceptable for indicator applications

Non-Substitutable Parts:

5219284F (Dialight): 10V forward voltage exceeds specification
5219321F (Dialight): 2mA current and 1.8mcd brightness insufficient for 20mA circuit board indicator application
LTL2R3KFK (Lite-On): Orange color (605nm wavelength) does not match yellow specification
5520933F (Dialight): 1.9V/2mA configuration designed for low-power applications, incompatible with 20mA requirement

Qualified Substitutes:

151051YS04000 (Würth Elektronik): Dual-level yellow indicator, 2V/20mA, 450mcd, diffused tinted lens
4308H7 (Visual Communications Company): Single-level yellow indicator, 2.2V/20mA, 140mcd, clear lens, T-1 3/4 package
OVLLY8C7 (TT Electronics/Optek): Single-level yellow indicator, 2V/20mA, 980mcd, clear lens, T-1 3/4 package
SSL-LX5063YC (Lumex): Single-level yellow indicator, 2.1V/20mA, 40mcd, clear lens, T-1 3/4 package
SSL-LX5093YC (Lumex): Single-level yellow indicator, 2.1V/20mA, 40mcd, clear lens, T-1 3/4 package
WP1503YC (Kingbright): Single-level yellow indicator, 2.1V/20mA, 50mcd, clear lens, T-1 3/4 package

Parameter Comparison

Part Number	Manufacturer	Configuration	Voltage (Vf)	Current	Millicandela	Wavelength Peak	Lens Type	Lens Size	Mounting	Product Status
MV33509MP93	onsemi	2 High	2.2V	20mA	150mcd	565nm	Tinted	5mm, T-1 3/4	Through Hole, Right Angle	Obsolete
151051YS04000	Würth Elektronik	Standard	2.0V	20mA	450mcd	592nm	Diffused, Tinted	4.90mm Dia	Through Hole	Active
4308H7	Visual Communications Company	Standard	2.2V	20mA	140mcd	583nm	Clear	5mm, T-1 3/4	Through Hole	Active
OVLLY8C7	TT Electronics/Optek	Standard	2.0V	20mA	980mcd	589nm	Clear	5mm, T-1 3/4	Through Hole	Active
SSL-LX5063YC	Lumex Opto/Components	Standard	2.1V	20mA	40mcd	585nm	Clear	5mm, T-1 3/4	Through Hole	Active
SSL-LX5093YC	Lumex Opto/Components	Standard	2.1V	20mA	40mcd	585nm	Clear	5mm, T-1 3/4	Through Hole	Active
WP1503YC	Kingbright	Standard	2.1V	20mA	50mcd	590nm	Clear	5mm, T-1 3/4	Through Hole	Active

Engineering Selection Recommendations

Primary Substitute - Closest Electrical Match: 4308H7 (Visual Communications Company) provides the most direct substitution path. This part matches the original 2.2V forward voltage specification, maintains 20mA test current, and delivers comparable brightness at 140mcd versus the original 150mcd. The T-1 3/4 5mm package ensures mechanical compatibility with existing through-hole PCB layouts. Product status is active with ROHS3 compliance and unlimited MSL rating.

Alternative Substitute - Higher Brightness: OVLLY8C7 (TT Electronics/Optek) operates at 2.0V with 20mA current and delivers significantly higher brightness at 980mcd. This part is suitable for applications where increased visibility is beneficial. The flat-top lens differs from the original domed configuration but maintains the 5mm T-1 3/4 package specification. Product status is active with full compliance certifications.

Low-Brightness Alternative: SSL-LX5063YC and SSL-LX5093YC (Lumex) are functionally equivalent single-level indicators at 2.1V/20mA with 40mcd brightness. These parts are appropriate for applications where the original dual-level configuration is not required and lower brightness is acceptable. Both maintain T-1 3/4 package compatibility and active product status.

High-Brightness Alternative: 151051YS04000 (Würth Elektronik) operates at 2.0V with 20mA current and delivers 450mcd brightness. This part features a diffused tinted lens similar to the original specification. The 4.90mm diameter lens represents a minor mechanical variation from the standard 5mm package but remains compatible with typical circuit board indicator mounting holes.

Not Recommended: Parts with voltage ratings outside the 2.0V to 2.2V range or current specifications deviating from 20mA are not suitable for direct substitution and may require circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can I use a single-level LED indicator to replace the dual-level MV33509MP93? A: Yes, single-level indicators such as 4308H7, OVLLY8C7, SSL-LX5063YC, SSL-LX5093YC, and WP1503YC are electrically compatible substitutes. The dual-level configuration of the original part refers to the physical stacking of two LED elements within a single package. Single-level alternatives provide equivalent electrical performance for circuit board indicator applications. Verify that your PCB layout accommodates the single-level form factor.

Q: What is the difference between tinted and clear lens types? A: Tinted lenses (such as the original MV33509MP93) incorporate color into the lens material itself, providing consistent color appearance across viewing angles. Clear lenses rely on the LED die color for the visual output. Both configurations are functionally equivalent for yellow indicator applications. Clear lens alternatives such as 4308H7 and OVLLY8C7 deliver the same color perception in typical circuit board indicator use cases.

Q: Does the wavelength peak specification affect substitution compatibility? A: Wavelength peak values between 565nm and 592nm all fall within the yellow spectrum and are visually indistinguishable in circuit board indicator applications. The original MV33509MP93 specifies 565nm, while qualified substitutes range from 583nm to 592nm. These variations do not impact functional compatibility or visual performance in standard indicator circuits.

Q: Are there brightness differences I should consider when selecting a substitute? A: The original MV33509MP93 delivers 150mcd brightness. Qualified substitutes range from 40mcd (Lumex parts) to 980mcd (OVLLY8C7). For applications where the original brightness level is critical, select 4308H7 (140mcd) as the closest match. Higher brightness alternatives such as OVLLY8C7 (980mcd) or 151051YS04000 (450mcd) are suitable if increased visibility is acceptable. Lower brightness alternatives are appropriate only if the application does not require the original brightness specification.

Q: Can I use parts with different forward voltage ratings? A: The MV33509MP93 operates at 2.2V. Qualified substitutes operate between 2.0V and 2.1V. These voltage variations are within acceptable tolerance for series resistor-limited LED circuits. Verify that your current-limiting resistor value accommodates the substitute part's forward voltage. For example, a circuit designed for 2.2V may require resistor adjustment when using a 2.0V substitute to maintain the 20mA test current specification.

Q: What is the significance of the T-1 3/4 package designation? A: T-1 3/4 refers to the physical diameter of the LED lens in units of 1/8 inch. T-1 3/4 equals 5mm diameter, which is the standard size for circuit board indicator applications. All qualified substitutes maintain this package specification, ensuring compatibility with existing PCB mounting holes and mechanical assemblies.

Q: Are all substitute parts ROHS3 compliant? A: Yes, all qualified substitute parts listed in this reference are ROHS3 compliant with unlimited MSL (Moisture Sensitivity Level) ratings. This ensures compatibility with modern manufacturing processes and environmental regulations.

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