MV57641 LED RED DIFFUSED T-1 T/H Equivalent & Substitute Parts

Part Overview

The MV57641 is a red diffused LED indicator manufactured by Everlight Electronics Co Ltd, designed for through-hole mounting applications. This T-1 form factor component operates at 2V forward voltage with a 2.5mcd brightness rating and features a 635nm peak wavelength. The part is currently in active product status with RoHS3 compliance and unlimited moisture sensitivity rating.

Equivalent and substitute parts are necessary when the MV57641 becomes unavailable, when design requirements demand alternative performance characteristics, or when supply chain optimization requires component standardization across manufacturing facilities.

Key Parameters

Parameter	Value
Manufacturer Part Number	MV57641
Manufacturer	Everlight Electronics Co Ltd
Color	Red
Lens Transparency	Diffused
Lens Size	3mm, T-1
Voltage - Forward (Vf) (Typ)	2V
Current - Test	10mA
Millicandela Rating	2.5mcd
Viewing Angle	90°
Wavelength - Peak	635nm
Mounting Type	Through Hole
Package / Case	Radial
Height (Max)	6.30mm
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MV57641 is determined by the following critical parameters:

Primary Compatibility Criteria:

Color: Red
Mounting Type: Through Hole
Package / Case: Radial
Lens Transparency: Diffused
Lens Size: 3mm, T-1 form factor
Voltage - Forward (Vf) (Typ): 2V (±0.2V tolerance acceptable)
Current - Test: 10mA to 20mA range
Viewing Angle: 40° to 100° range
Wavelength - Peak: 617nm to 635nm range
Height (Max): 5.00mm to 6.70mm range

Compliance Requirements:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
ECCN: EAR99
HTSUS: 8541.41.0000

Substitute parts are grouped into two categories: Parametric Equivalents (matching all critical parameters within specified tolerances) and Similar Parts (meeting primary compatibility criteria with variations in brightness, viewing angle, or test current that do not prevent functional substitution in standard indicator applications).

Parameter Comparison

Parameter	MV57641	HLMP1301	LTL-1CHE	SLI-343U8R3F	SLI-343V8RC3F	SLR-343VR3F	SSL-LX30FT4ID	WP132XID	WP3A10ID
Manufacturer	Everlight	onsemi	Lite-On	Rohm	Rohm	Rohm	Lumex	Kingbright	Kingbright
Color	Red	Red	Red	Red	Red	Red	Red	Red	Red
Lens Transparency	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused	Diffused
Lens Size	3mm, T-1	3mm, T-1	3.10mm Dia	3.10mm Dia	3.10mm Dia	3.10mm Dia	3mm, T-1	3mm, T-1	3mm, T-1
Voltage - Forward (Vf) (Typ)	2V	2V	2V	2.2V	2.2V	2V	2V	2V	2V
Current - Test	10mA	10mA	20mA	20mA	20mA	10mA	20mA	20mA	20mA
Millicandela Rating	2.5mcd	2.5mcd	12.6mcd	220mcd	330mcd	16mcd	15mcd	16mcd	15mcd
Viewing Angle	90°	90°	60°	40°	40°	40°	100°	60°	60°
Wavelength - Peak	635nm	635nm	635nm	—	—	—	635nm	627nm	627nm
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	6.30mm	5.20mm	5.60mm	5.60mm	5.60mm	6.70mm	5.20mm	5.00mm
Product Status	Active	Obsolete	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

The HLMP1301 manufactured by onsemi provides direct parametric equivalence to the MV57641 across all critical electrical and mechanical specifications. Both components operate at 2V forward voltage with 10mA test current, deliver 2.5mcd brightness, feature 90° viewing angle, and share identical 6.30mm maximum height and 635nm peak wavelength. However, the HLMP1301 is classified as obsolete product status, limiting its suitability for new designs or long-term supply chain planning.

Active Product Substitutes (Recommended for New Designs):

SLR-343VR3F (Rohm Semiconductor) provides the closest match among active products. This component maintains 2V forward voltage and 10mA test current identical to the MV57641, with comparable 16mcd brightness and 630nm wavelength. The primary trade-off is reduced viewing angle (40° versus 90°), which is acceptable for applications where directional indication is acceptable or preferred.

SSL-LX30FT4ID (Lumex Opto/Components Inc.) offers superior viewing angle (100° versus 90°) while maintaining 2V forward voltage and 635nm peak wavelength. The increased test current (20mA versus 10mA) and slightly higher brightness (15mcd versus 2.5mcd) require circuit verification but do not prevent substitution in standard indicator applications. Maximum height of 6.70mm remains within acceptable PCB clearance tolerances.

WP132XID and WP3A10ID (Kingbright) both operate at 2V forward voltage with 60° viewing angle and 617nm dominant wavelength. These components require 20mA test current and deliver 15-16mcd brightness. Height specifications (5.20mm and 5.00mm respectively) provide improved PCB clearance compared to the MV57641.

Higher Brightness Alternatives:

SLI-343U8R3F, SLI-343V8RC3F, and SLI-343V8R3F (Rohm Semiconductor EXCELED™ series) deliver significantly higher brightness (220-330mcd) at the cost of increased forward voltage (2.2V) and reduced viewing angle (40°). These components are suitable only for applications where higher luminous intensity is required and circuit design accommodates the additional voltage drop.

LTL-1CHE (Lite-On Inc.) presents a mid-range option with 12.6mcd brightness, 2V forward voltage, and 60° viewing angle. The 5.20mm maximum height provides improved PCB clearance.

All recommended substitutes maintain RoHS3 compliance, MSL 1 (Unlimited) rating, and ECCN EAR99 classification consistent with the MV57641.

Frequently Asked Questions (FAQ)

Q: Can the HLMP1301 be used as a direct replacement for the MV57641?

A: The HLMP1301 provides parametric equivalence across all critical specifications. However, this component is classified as obsolete product status. For new designs or applications requiring long-term supply availability, active product alternatives such as SLR-343VR3F or SSL-LX30FT4ID are recommended.

Q: What is the primary difference between the MV57641 and SLR-343VR3F?

A: Both components operate at identical 2V forward voltage and 10mA test current with comparable brightness (2.5mcd versus 16mcd). The primary difference is viewing angle: the MV57641 provides 90° viewing angle while the SLR-343VR3F provides 40° viewing angle. The narrower viewing angle of the SLR-343VR3F is acceptable for applications where directional indication is acceptable.

Q: Why do some substitute parts require 20mA test current instead of 10mA?

A: Test current specification indicates the current level at which brightness and other optical characteristics are measured. Higher test current typically correlates with higher brightness output. Components specified at 20mA test current deliver greater luminous intensity but require circuit design verification to ensure the application can supply the additional current without exceeding component ratings.

Q: Are the Rohm EXCELED™ series components (SLI-343U8R3F, SLI-343V8RC3F, SLI-343V8R3F) suitable substitutes for the MV57641?

A: These components are suitable only for applications requiring significantly higher brightness (220-330mcd versus 2.5mcd). The increased forward voltage (2.2V versus 2V) and reduced viewing angle (40° versus 90°) require circuit design verification. These components are not recommended as direct replacements in existing designs without circuit modification.

Q: What is the significance of lens transparency (diffused versus clear)?

A: Diffused lens transparency scatters light output across a wider area, providing more uniform brightness perception from different viewing angles. Clear lens transparency concentrates light output, resulting in higher peak brightness but narrower effective viewing angle. The MV57641 features diffused lens transparency. Substitute parts with clear lens transparency (such as SLI-343U8RC3F) deliver higher brightness but may not be suitable for applications requiring uniform light distribution.

Q: Can I substitute a component with different wavelength characteristics?

A: The MV57641 specifies 635nm peak wavelength. Substitute parts with wavelengths in the range 617nm to 635nm (such as WP132XID at 627nm or SLI-343U8R3F at 620nm) produce visually indistinguishable red color in standard indicator applications. Wavelength differences become significant only in applications requiring precise color matching or spectral analysis.

Q: What is the impact of height differences between substitute parts?

A: The MV57641 specifies 6.30mm maximum height. Substitute parts with reduced height (such as WP3A10ID at 5.00mm or LTL-1CHE at 5.20mm) provide improved PCB clearance and may be preferred in space-constrained designs. Substitute parts with increased height (such as SSL-LX30FT4ID at 6.70mm) require verification of available PCB clearance but remain within acceptable tolerances for standard through-hole applications.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed in this reference are RoHS3 compliant with MSL 1 (Unlimited) rating, consistent with the MV57641. Compliance certifications are maintained across all recommended substitutes.

Q: Which substitute part offers the best balance of compatibility and availability?

A: The SLR-343VR3F (Rohm Semiconductor) provides the closest electrical match with active product status and high inventory availability (4,346 units). The SSL-LX30FT4ID (Lumex) offers superior viewing angle (100°) with comparable specifications. Both components are suitable for new designs and provide long-term supply chain stability.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message