SSL-LX5063OD Equivalent & Substitute Parts

Part Overview

The SSL-LX5063OD is an orange diffused LED indicator manufactured by Lumex Opto/Components Inc., designed for through-hole mounting applications. This T-1 3/4 (5mm) LED operates at 2V forward voltage with a 40mcd brightness rating and 630nm peak wavelength, suitable for discrete indication circuits requiring orange light output. The part is currently in active production status with 972 units in stock inventory.

Substitute parts become necessary when the primary part reaches end-of-life status, experiences supply constraints, or when design flexibility permits alternative specifications within acceptable electrical and mechanical parameters. The SSL-LX5063OD has documented substitute relationships with multiple manufacturers including Broadcom Limited, Rohm Semiconductor, and others, enabling design continuity and procurement flexibility.

Key Parameters

Parameter	SSL-LX5063OD Value	Specification Basis
Manufacturer	Lumex Opto/Components Inc.	Primary source
Color	Orange	Optical output
Lens Transparency	Diffused	Light distribution
Lens Size / Package	5mm, T-1 3/4	Physical form factor
Voltage - Forward (Vf)	2V (Typical)	Operating voltage
Current - Test	20mA	Rated test current
Millicandela Rating	40mcd	Brightness intensity
Wavelength - Peak	630nm	Spectral output
Viewing Angle	60°	Light cone
Mounting Type	Through Hole	PCB assembly method
Package / Case	Radial	Lead configuration
RoHS Status	ROHS3 Compliant	Environmental compliance
Moisture Sensitivity Level	1 (Unlimited)	Storage requirements
Product Status	Active	Availability

Substitute Part Grouping Explanation

Substitution logic for the SSL-LX5063OD is determined by the following critical parameters:

Primary Substitution Criteria:

Lens Size / Package: T-1 3/4 (5mm) form factor with through-hole radial leads
Mounting Type: Through-hole PCB assembly compatibility
Voltage - Forward (Vf): Operating voltage range 2V ±0.2V
Current - Test: 20mA rated test current or compatible lower current operation
Lens Transparency: Diffused optical characteristics
Compliance Status: ROHS3 compliant, MSL 1 rating

Secondary Compatibility Factors:

Color: Orange or functionally equivalent spectral output (630nm peak wavelength)
Viewing Angle: 60° or greater for equivalent light distribution
Millicandela Rating: 40mcd or higher for equivalent brightness

Documented Substitute Parts: The SSL-LX5063OD specification includes five cross-referenced substitute parts: TLLY5400, WP7113LYD, SLR-56DU3F, HLMP-3650, and HLMP-3401. Of these, SLR-56DU3F is the primary orange-colored substitute. The yellow-colored alternatives (TLLY5400, HLMP-3650, HLMP-3401, WP7113LYD) are listed as functional substitutes where color differentiation is not critical to circuit operation.

Parameter Comparison

Parameter	SSL-LX5063OD	SLR-56DU3F	HLMP-3401	HLMP-3650	LTL-307Y	TLLY5400
Manufacturer	Lumex	Rohm	Broadcom	Broadcom	Lite-On	Vishay
Color	Orange	Orange	Yellow	Yellow	Yellow	Yellow
Lens Size	5mm T-1 3/4	5mm T-1 3/4	5mm T-1 3/4	5mm T-1 3/4	5.00mm	5.80mm
Vf (Typical)	2V	2V	2V	5V	2.1V	2.4V
Current - Test	20mA	10mA	10mA	10mA	20mA	2mA
Millicandela	40mcd	10mcd	5.7mcd	2.2mcd	29mcd	1.2mcd
Wavelength - Peak	630nm	605nm	583nm	583nm	585nm	585nm
Viewing Angle	60°	40°	60°	60°	50°	50°
Height (Max)	6.00mm	8.90mm	9.19mm	9.19mm	8.60mm	12.80mm
Product Status	Active	Active	Active	Active	Active	Obsolete
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
MSL Rating	1	1	1	1	1	1

Engineering Selection Recommendations

Primary Substitute - Color-Matched Application:

SLR-56DU3F (Rohm Semiconductor) is the recommended direct substitute when orange color output is required. This part maintains identical lens size (5mm T-1 3/4), matching forward voltage (2V), through-hole radial mounting, and diffused lens characteristics. The SLR-56DU3F operates at 10mA test current versus the SSL-LX5063OD's 20mA, resulting in lower brightness (10mcd versus 40mcd) but maintaining compatibility with circuits designed for orange indication. Peak wavelength of 605nm versus 630nm represents a minor spectral shift within the orange spectrum. The part is currently in active production status with 13,238 units in inventory, ensuring supply continuity. RoHS3 compliance and MSL 1 rating match the primary part exactly.

Secondary Substitutes - Functional Compatibility:

HLMP-3401 (Broadcom Limited) provides functional substitution where color differentiation is not critical. This part matches the 5mm T-1 3/4 form factor, 2V forward voltage, 60° viewing angle, and through-hole mounting. However, it operates at 10mA test current with 5.7mcd brightness and yellow color output (583nm peak wavelength). The part is in active production with 2,300 units available.

LTL-307Y (Lite-On Inc.) offers higher brightness (29mcd) at 2.1V forward voltage with 20mA test current, closely matching the SSL-LX5063OD's electrical profile. The 5mm T-1 3/4 package and diffused lens provide mechanical compatibility. Yellow color output (585nm peak wavelength) and 50° viewing angle represent functional differences. This part is in active production with 3,100 units in stock.

Not Recommended for New Designs:

TLLY5400 (Vishay Semiconductor Opto Division) carries obsolete product status and should not be selected for new designs despite documented substitution relationships. HLMP-3650 requires 5V forward voltage, incompatible with 2V circuit designs.

Compliance Verification:

All recommended substitutes maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, ensuring environmental and storage requirement compatibility with the SSL-LX5063OD.

Frequently Asked Questions (FAQ)

Q: Can SLR-56DU3F directly replace SSL-LX5063OD in existing circuit designs?

A: SLR-56DU3F is mechanically and electrically compatible for through-hole PCB assembly. Both parts operate at 2V forward voltage with identical 5mm T-1 3/4 form factor and radial lead configuration. The primary difference is reduced brightness (10mcd versus 40mcd) due to lower test current (10mA versus 20mA). Circuit designs with brightness-critical applications must verify that 10mcd output meets minimum visibility requirements. Spectral output differs slightly (605nm versus 630nm), both within the orange spectrum.

Q: Why are yellow-colored LEDs listed as substitutes for an orange LED?

A: Yellow substitutes (HLMP-3401, LTL-307Y, TLLY5400) are documented in the SSL-LX5063OD specification as functional alternatives where color differentiation is not essential to circuit operation. These parts share identical or compatible electrical parameters (2V forward voltage, 20mA test current, 5mm T-1 3/4 package) and mounting characteristics. Selection of yellow versus orange depends on application requirements for color-specific indication.

Q: What is the impact of different test currents on LED substitution?

A: Test current directly determines brightness output. The SSL-LX5063OD operates at 20mA test current producing 40mcd brightness. SLR-56DU3F operates at 10mA test current producing 10mcd brightness. Lower test current reduces power consumption and heat generation but also reduces light intensity. Circuit designs must verify that substitute brightness levels meet minimum visibility requirements for the intended application. Forward voltage remains the primary parameter for circuit compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All documented substitute parts for SSL-LX5063OD carry ROHS3 compliance certification. Moisture sensitivity level (MSL) rating is 1 (unlimited) for all parts, indicating identical storage and handling requirements.

Q: What is the significance of viewing angle differences between substitutes?

A: The SSL-LX5063OD specifies 60° viewing angle. SLR-56DU3F provides 40° viewing angle, a narrower light cone. LTL-307Y and TLLY5400 provide 50° viewing angle. Narrower viewing angles concentrate light intensity in a smaller cone, potentially affecting visibility from off-axis positions. Applications requiring wide-angle indication should prioritize substitutes with 60° or greater viewing angle specifications.

Q: Can HLMP-3650 substitute for SSL-LX5063OD?

A: HLMP-3650 is not recommended as a direct substitute. While it maintains the 5mm T-1 3/4 form factor and through-hole mounting, it requires 5V forward voltage compared to the SSL-LX5063OD's 2V specification. Circuit designs optimized for 2V operation cannot accommodate 5V LEDs without significant redesign of current-limiting resistor networks and power supply considerations.

Q: What inventory status should influence substitute selection?

A: SLR-56DU3F (13,238 units) and LTL-307Y (3,100 units) offer the highest inventory availability among active-status substitutes. TLLY5400, despite documented substitution relationships, carries obsolete product status and should not be selected for new designs or long-term production requirements. Active-status parts ensure supply continuity and manufacturer support.

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