MV53640 LED Yellow Diffused T-1 Through Hole Equivalent & Substitute Parts

Part Overview

The MV53640 is an active yellow diffused 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 2mcd millicandela rating and 90° viewing angle, suitable for standard indicator applications requiring yellow light emission at 585nm peak wavelength. The component is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, or specific application requirements while maintaining functional compatibility within the discrete LED indication category.

Key Parameters

Parameter	MV53640 Value	Specification Basis
Color	Yellow	Primary functional characteristic
Lens Transparency	Diffused	Light distribution characteristic
Lens Size / Form Factor	3mm T-1	Physical package compatibility
Voltage - Forward (Vf) Typical	2.1V	Circuit design parameter
Current - Test	10mA	Operating condition reference
Millicandela Rating	2mcd	Light intensity specification
Viewing Angle	90°	Light distribution angle
Mounting Type	Through Hole Radial	PCB assembly compatibility
Wavelength - Peak	585nm	Spectral characteristic
RoHS Status	ROHS3 Compliant	Environmental compliance
Moisture Sensitivity Level	1 (Unlimited)	Storage and handling requirement

Substitute Part Grouping Explanation

Substitute parts for the MV53640 are identified based on the following substitution criteria:

Primary Substitution Criteria (Mandatory Alignment):

Color: Yellow
Lens Transparency: Diffused
Mounting Type: Through Hole Radial
Lens Size: 3mm T-1 form factor
Voltage - Forward (Vf): 2.0V to 2.2V range
Current - Test: 10mA to 20mA range
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: MSL 1

Secondary Compatibility Parameters (Allowable Variation):

Millicandela Rating: 2mcd to 680mcd (brightness variation acceptable for indication applications)
Viewing Angle: 40° to 90° (wider angles provide broader visibility)
Wavelength - Peak: 585nm to 590nm (yellow spectrum range)
Height: 5.0mm to 6.3mm (PCB clearance dependent)

Parts meeting all primary criteria are classified as direct substitutes. Parts with yellow diffused lens but different electrical parameters are classified as functional alternatives requiring circuit verification.

Parameter Comparison

Part Number	Manufacturer	Color	Lens Transparency	Vf (Typ)	Current - Test	mcd Rating	Viewing Angle	Wavelength Peak	Height (Max)	Inventory Status
MV53640	Everlight Electronics	Yellow	Diffused	2.1V	10mA	2mcd	90°	585nm	6.30mm	1014 Pcs
SLI-343Y8Y3F	Rohm Semiconductor	Yellow	Diffused	2.2V	20mA	470mcd	40°	590nm	5.60mm	8965 Pcs
WP3A10YD	Kingbright	Yellow	Diffused	2.1V	20mA	15mcd	60°	590nm	5.00mm	11922 Pcs
WP132XYD	Kingbright	Yellow	Diffused	2.1V	20mA	15mcd	60°	590nm	5.20mm	3485 Pcs
SLR-343YY3F	Rohm Semiconductor	Yellow	Diffused	2.1V	10mA	10mcd	40°	587nm	5.60mm	2935 Pcs
SLI-343Y8C3F	Rohm Semiconductor	Yellow	Clear	2.2V	20mA	680mcd	40°	590nm	5.60mm	1376 Pcs

Engineering Selection Recommendations

Direct Substitutes (Yellow Diffused, Matching Electrical Characteristics):

The following parts satisfy all primary substitution criteria and are suitable for direct replacement in applications where the MV53640 is specified:

SLI-343Y8Y3F (Rohm Semiconductor EXCELED™ Series): Yellow diffused T-1 LED with 2.2V forward voltage, 20mA test current, and 590nm peak wavelength. ROHS3 compliant, MSL 1. Higher brightness (470mcd) and narrower viewing angle (40°) compared to MV53640. Suitable for applications requiring increased light intensity with focused beam pattern. 8965 units in stock.
WP3A10YD (Kingbright): Yellow diffused T-1 LED with 2.1V forward voltage matching MV53640, 20mA test current, and 590nm peak wavelength. ROHS3 compliant, MSL 1. Moderate brightness (15mcd) with 60° viewing angle. Compact height (5.00mm). 11922 units in stock.
WP132XYD (Kingbright): Yellow diffused T-1 LED with 2.1V forward voltage, 20mA test current, and 590nm peak wavelength. ROHS3 compliant, MSL 1. Moderate brightness (15mcd) with 60° viewing angle. 3485 units in stock.

Functional Alternatives (Yellow Diffused, Lower Brightness):

SLR-343YY3F (Rohm Semiconductor SLR-343 Series): Yellow diffused T-1 LED with 2.1V forward voltage and 10mA test current matching MV53640 electrical profile. 587nm peak wavelength within yellow spectrum. Lower brightness (10mcd) with 40° viewing angle. ROHS3 compliant, MSL 1. Suitable for low-intensity indication applications. 2935 units in stock.

Non-Substitute (Different Lens Transparency):

SLI-343Y8C3F (Rohm Semiconductor EXCELED™ Series): Yellow clear lens T-1 LED. While matching color and electrical parameters (2.2V, 20mA, 590nm), the clear lens transparency differs from the diffused requirement of MV53640. Not recommended for direct substitution where diffused light distribution is specified.

All recommended substitutes maintain ROHS3 compliance and MSL 1 rating consistent with MV53640 environmental specifications.

Frequently Asked Questions (FAQ)

Q1: Can SLI-343Y8Y3F replace MV53640 in all applications?

A: SLI-343Y8Y3F meets all primary substitution criteria (yellow diffused, T-1 form factor, 2.2V forward voltage, ROHS3 compliant). However, it operates at 20mA test current versus MV53640's 10mA, and provides 470mcd brightness versus 2mcd. Applications with current-limited circuits or brightness-sensitive designs require circuit verification. The narrower 40° viewing angle versus 90° affects light distribution pattern.

Q2: What is the difference between diffused and clear lens transparency?

A: Diffused lenses scatter light across a wider area with reduced intensity concentration, suitable for general indication where uniform light distribution is required. Clear lenses concentrate light in a narrower beam with higher intensity in the viewing direction. MV53640 specifies diffused transparency; clear lens alternatives (such as SLI-343Y8C3F) are not direct substitutes for applications requiring diffused light characteristics.

Q3: Are all substitute parts compatible with existing PCB layouts designed for MV53640?

A: All recommended substitutes use T-1 (3mm) through-hole radial package with compatible pin spacing. Height variations (5.00mm to 6.30mm) are within standard PCB clearance tolerances. Physical compatibility is confirmed. Electrical circuit compatibility requires verification of forward voltage (2.0V to 2.2V range) and current-limiting resistor values.

Q4: What viewing angle should I select for my application?

A: MV53640 provides 90° viewing angle for broad light distribution. Substitute parts offer 40° to 60° viewing angles with narrower beam patterns. Select based on application requirements: 90° for omnidirectional indication, 60° for standard panel mounting, 40° for focused beam applications. Narrower angles concentrate brightness in the viewing direction.

Q5: Do all substitute parts meet the same environmental compliance standards?

A: All recommended substitutes are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity) rating, matching MV53640 specifications. REACH status is unaffected for Rohm and Kingbright parts. Environmental compliance is consistent across all alternatives.

Q6: Which substitute offers the closest electrical match to MV53640?

A: WP3A10YD and WP132XYD both match MV53640's 2.1V forward voltage and 590nm peak wavelength. SLR-343YY3F matches 2.1V forward voltage and 10mA test current. For applications requiring minimal circuit modification, WP3A10YD or WP132XYD are preferred due to identical forward voltage specification.

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