SSL-LX5093SRC/DW Equivalent & Substitute Parts

Part Overview

The SSL-LX5093SRC/DW is a red LED indication component manufactured by Lumex Opto/Components Inc., configured as a through-hole radial T-1 3/4 (5mm) package. This part operates at 1.7V forward voltage with 1800mcd brightness and a 30° viewing angle, designed for discrete red light indication applications. The SSL-LX5093SRC/DW is classified as obsolete, necessitating identification of active equivalent and substitute components to maintain design continuity and ensure ongoing component availability for production and maintenance applications.

Key Parameters

Parameter	Value	Specification Basis
Lens Size	5mm, T-1 3/4	Physical form factor
Mounting Type	Through Hole	PCB assembly method
Package / Case	Radial	Lead configuration
Color	Red	Optical output
Lens Transparency	Clear	Optical characteristic
Voltage - Forward (Vf) (Typ)	1.7V	Operating voltage
Current - Test	20mA	Rated current
Millicandela Rating	1800mcd	Brightness intensity
Viewing Angle	30°	Optical dispersion
Wavelength - Peak	660nm	Spectral output
Height (Max)	8.60mm	Physical dimension
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitute parts for the SSL-LX5093SRC/DW are identified based on strict parameter alignment within the red LED T-1 3/4 through-hole category. Substitution eligibility is determined by the following critical parameters:

Primary Matching Criteria:

Lens size: 5mm, T-1 3/4
Mounting type: Through Hole
Package configuration: Radial
Color: Red
Lens transparency: Clear

Secondary Compatibility Parameters:

Forward voltage (Vf): Range 1.7V to 2.2V (acceptable variance for series circuit design)
Current rating: 20mA nominal test current
Viewing angle: 20° to 40° (acceptable for general indication applications)
Wavelength peak: 624nm to 660nm (red spectrum range)
Height: 8.60mm to 12.44mm (mechanical fit consideration)

Compliance Requirements:

RoHS3 compliance or equivalent environmental standard
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are grouped into two categories: parametric equivalents (same manufacturer, active status) and similar alternatives (different manufacturers, active status with minor parameter variations).

Parameter Comparison

Part Number	Manufacturer	Status	Vf (Typ)	mcd	Viewing Angle	Peak Wavelength	Height (Max)	Packaging
SSL-LX5093SRC/DW	Lumex Opto/Components Inc.	Obsolete	1.7V	1800	30°	660nm	8.60mm	Bulk
SSL-LX5093SIC	Lumex Opto/Components Inc.	Active	2V	1800	30°	636nm	8.60mm	Bulk
HLMP-D105	Broadcom Limited	Active	1.8V	240	24°	645nm	12.44mm	Bulk
HLMP-D105-M0002	Broadcom Limited	Active	1.8V	240	24°	645nm	12.44mm	Tape & Reel (TR)
HLMP-D155-F0002	Broadcom Limited	Active	1.7V	10	24°	660nm	12.44mm	Tape & Reel (TR)
LTL2R3KEK	Lite-On Inc.	Active	2.05V	700	30°	632nm	8.70mm	Bulk
LTL2R3KRK	Lite-On Inc.	Active	2V	680	30°	639nm	8.70mm	Bulk
MV3750	onsemi	Obsolete	2.2V	150	24°	635nm	8.89mm	Bulk
MV8102	onsemi	Obsolete	1.7V	370	20°	660nm	8.90mm	Bulk
MV8141	Fairchild Semiconductor	Active	1.7V	370	40°	660nm	Not specified	Bulk
OVLLR8C7	TT Electronics/Optek Technology	Active	2V	900	100°	623nm	6.80mm	Bulk

Engineering Selection Recommendations

Primary Recommendation: SSL-LX5093SIC

The SSL-LX5093SIC is the preferred parametric equivalent for the obsolete SSL-LX5093SRC/DW. Both components are manufactured by Lumex Opto/Components Inc. and share identical physical form factors (5mm T-1 3/4, 8.60mm height, 30° viewing angle, 1800mcd brightness). The SSL-LX5093SIC maintains active product status and ROHS3 compliance. The forward voltage differential (2V versus 1.7V) represents a 0.3V increase, which is acceptable within standard series circuit design tolerances. The wavelength shift from 660nm to 636nm remains within the red spectrum range and does not materially affect indication functionality. Inventory availability (6065 pcs) supports production continuity.

Secondary Recommendation: LTL2R3KEK or LTL2R3KRK

The Lite-On LTL2R3 series components (LTL2R3KEK and LTL2R3KRK) provide active alternatives with matching physical dimensions (8.70mm height, 30° viewing angle) and comparable brightness levels (700mcd and 680mcd respectively). Both maintain ROHS3 compliance and MSL-1 rating. Forward voltage ranges from 2.0V to 2.05V, requiring circuit design adjustment. These components offer high inventory availability (9468 pcs and 6132 pcs respectively) and proven reliability in production environments.

Alternative Consideration: MV8141

The Fairchild Semiconductor MV8141 matches the original forward voltage (1.7V) and wavelength (660nm) specifications exactly. Active product status and ROHS3 compliance are confirmed. The 40° viewing angle provides broader light distribution compared to the original 30°. This component is suitable for applications where voltage matching is critical. Inventory availability (6805 pcs) is adequate for production requirements.

Not Recommended for Direct Substitution:

HLMP-D105 and HLMP-D105-M0002: Significantly reduced brightness (240mcd versus 1800mcd) and narrower viewing angle (24° versus 30°) make these unsuitable for equivalent replacement in high-brightness indication applications.
HLMP-D155-F0002: Extremely low brightness (10mcd) and reduced current rating (1mA) indicate this component is designed for low-power indicator applications and cannot replace the original specification.
OVLLR8C7: Flat-top lens style differs from the original domed-top configuration, and 100° viewing angle represents excessive light dispersion for focused indication applications.
MV3750 and MV8102: Obsolete status eliminates these from forward-looking design selections.

Frequently Asked Questions (FAQ)

Q: Can SSL-LX5093SIC be used as a direct drop-in replacement for SSL-LX5093SRC/DW?

A: Yes, with circuit design verification. The SSL-LX5093SIC is physically and functionally compatible. The 0.3V forward voltage increase (2V versus 1.7V) requires confirmation that series current-limiting resistor values remain appropriate for the application. Recalculate resistor values using Ohm's law: R = (Supply Voltage - Vf) / Forward Current. The wavelength shift from 660nm to 636nm does not affect indication functionality.

Q: What is the brightness difference between SSL-LX5093SRC/DW and HLMP-D105?

A: The SSL-LX5093SRC/DW produces 1800mcd while HLMP-D105 produces 240mcd. This represents a 7.5x reduction in brightness intensity. HLMP-D105 is unsuitable for applications requiring high-brightness indication and should only be considered for low-intensity indicator applications.

Q: Are there packaging differences between substitute options?

A: Yes. Most substitute parts are available in Bulk packaging. HLMP-D105-M0002 and HLMP-D155-F0002 are supplied in Tape & Reel (TR) format, which is suitable for automated assembly processes. Bulk packaging is appropriate for manual assembly or lower-volume production. Verify packaging compatibility with your assembly process before component selection.

Q: How do viewing angle differences affect application suitability?

A: The original SSL-LX5093SRC/DW has a 30° viewing angle, providing moderate light dispersion suitable for general indication applications. Narrower angles (20-24°) concentrate light intensity in a focused beam, suitable for direct-view applications. Wider angles (40-100°) distribute light across a broader area, suitable for ambient indication where viewing position varies. Select viewing angle based on the specific application's optical requirements.

Q: What compliance certifications should I verify for substitute parts?

A: All recommended substitute parts maintain ROHS3 compliance and MSL-1 (Unlimited) moisture sensitivity rating, matching the original specification. Verify REACH status for your specific application region. All listed parts carry ECCN EAR99 classification and HTSUS 8541.41.0000 tariff code, indicating standard commercial LED components with no export restrictions.

Q: Can LTL2R3KEK and LTL2R3KRK be used interchangeably?

A: Both components share identical physical form factors and viewing angles. LTL2R3KEK operates at 2.05V with 700mcd brightness and 624nm peak wavelength. LTL2R3KRK operates at 2.0V with 680mcd brightness and 631nm peak wavelength. The 0.05V voltage difference and 20mcd brightness variation are negligible for indication applications. Selection between these parts may be based on inventory availability or specific wavelength preference within the red spectrum.

Q: What is the maximum height constraint for mechanical fit?

A: The original SSL-LX5093SRC/DW specifies 8.60mm maximum height. Substitute parts range from 6.80mm (OVLLR8C7) to 12.44mm (HLMP-D105 series). Verify PCB clearance and enclosure dimensions before selecting parts with heights exceeding 8.60mm. Shorter components (6.80mm) provide additional mechanical clearance but may have different optical characteristics.

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