LDS-C5202RI 7-Segment LED Display Equivalent & Substitute Parts

Part Overview

The LDS-C5202RI is a single-character green 7-segment LED display module manufactured by Lumex Opto/Components Inc. This common cathode display operates at 2.2V forward voltage with a 10mA test current and features a 0.52" digit height in a 10-DIP package. The device is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable, while maintaining functional compatibility within specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Display Type	7-Segment LED
Number of Characters	1
Digit/Alpha Size	0.52" (13.21mm)
Color	Green
Common Pin Configuration	Common Cathode
Voltage - Forward (Vf) Typical	2.2V
Current - Test	10mA
Package / Case	10-DIP (0.600", 15.24mm)
Physical Dimensions	0.689" H x 0.497" W x 0.276" D (17.50mm x 12.63mm x 7.00mm)
Wavelength - Peak	565nm
Millicandela Rating	3.9mcd
Power Dissipation (Max)	105mW
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the LDS-C5202RI is determined by the following critical parameters:

Primary Compatibility Criteria:

Display Type: 7-Segment LED (required)
Number of Characters: 1 (required)
Common Pin Configuration: Common Cathode (required)
Color: Green (required)
Package / Case: 10-DIP (required)

Electrical Operating Parameters:

Voltage - Forward (Vf) Typical: 2.1V to 2.2V range
Current - Test: 10mA to 20mA range
Wavelength - Peak: 563nm to 572nm range

Mechanical Compatibility:

Package footprint: 10-DIP (0.600", 15.24mm) or 10-DIP (0.400", 10.16mm)
Physical dimensions must accommodate PCB layout constraints

The three identified substitute parts meet the primary compatibility criteria. Variations in brightness (millicandela rating), power dissipation, and exact forward voltage are acceptable within the specified electrical operating ranges for common cathode 7-segment green LED displays.

Parameter Comparison

Parameter	LDS-C5202RI (Lumex)	LA-601ML (Rohm)	LAP-601ML (Rohm)	SC52-11GWA (Kingbright)
Manufacturer	Lumex Opto/Components Inc.	Rohm Semiconductor	Rohm Semiconductor	Kingbright
Display Type	7-Segment	7-Segment	7-Segment	7-Segment
Number of Characters	1	1	1	1
Digit/Alpha Size	0.52" (13.21mm)	0.58" (14.60mm)	0.57" (14.60mm)	0.52" (13.21mm)
Color	Green	Green	Green	Green
Common Pin	Common Cathode	Common Cathode	Common Cathode	Common Cathode
Voltage - Forward (Vf) Typical	2.2V	2.1V	1.9V	2.2V
Current - Test	10mA	10mA	10mA	20mA
Millicandela Rating	3.9mcd	22mcd	100mcd	10.5mcd
Wavelength - Peak	565nm	563nm	572nm	565nm
Power Dissipation (Max)	105mW	60mW	448mW	62.5mW
Package / Case	10-DIP (0.600", 15.24mm)	10-DIP (0.400", 10.16mm)	10-DIP (0.600", 15.24mm)	10-DIP (0.600", 15.24mm)
Physical Dimensions	0.689" H x 0.497" W x 0.276" D (17.50mm x 12.63mm x 7.00mm)	0.748" H x 0.492" W x 0.315" D (19.00mm x 12.50mm x 8.00mm)	0.748" H x 0.492" W x 0.315" D (19.00mm x 12.50mm x 8.00mm)	0.689" H x 0.488" W x 0.276" D (17.50mm x 12.40mm x 7.00mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

SC52-11GWA (Kingbright) - Closest Mechanical Match

The SC52-11GWA provides the most direct substitution for the LDS-C5202RI. Both devices share identical digit height (0.52"), matching 10-DIP (0.600", 15.24mm) package footprint, and nearly identical physical dimensions. Forward voltage (2.2V) and wavelength (565nm) are identical. The primary difference is test current specification (20mA versus 10mA), which requires circuit current-limiting adjustment. Both parts maintain ROHS3 compliance and MSL 1 rating. This substitute is suitable for direct PCB layout compatibility.

LA-601ML (Rohm Semiconductor) - Electrical Compatibility with Size Variation

The LA-601ML operates within acceptable electrical parameters (2.1V forward voltage, 10mA test current) and maintains ROHS3 compliance with MSL 1 rating. However, the digit height is larger (0.58" versus 0.52") and physical dimensions are increased. The 10-DIP package uses 0.400" (10.16mm) pitch versus the standard 0.600" (15.24mm) pitch, requiring PCB layout modification. This substitute is suitable only when display size increase and package pitch change are acceptable.

LAP-601ML (Rohm Semiconductor) - High Brightness Alternative

The LAP-601ML offers significantly higher brightness (100mcd versus 3.9mcd) with lower forward voltage (1.9V). The 10-DIP (0.600", 15.24mm) package footprint matches the primary part. However, power dissipation is substantially higher (448mW versus 105mW), and moisture sensitivity is elevated to MSL 3 (168 Hours) versus MSL 1. This substitute is suitable only when increased brightness is required and higher power dissipation and moisture handling requirements are accommodated in circuit design.

All substitute parts maintain active product status and ROHS3 compliance, supporting long-term availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can SC52-11GWA be used as a direct replacement for LDS-C5202RI without circuit modification?

A: SC52-11GWA shares identical package footprint, digit height, forward voltage, and wavelength. However, the test current specification differs (20mA versus 10mA). Circuit current-limiting resistors must be recalculated to accommodate the higher current requirement. PCB layout remains compatible without modification.

Q: What is the primary difference between LA-601ML and LAP-601ML?

A: Both are Rohm Semiconductor 7-segment green displays in common cathode configuration. LA-601ML operates at 2.1V with 22mcd brightness and 60mW power dissipation. LAP-601ML operates at 1.9V with 100mcd brightness and 448mW power dissipation. LAP-601ML provides higher brightness at the cost of increased power consumption and elevated moisture sensitivity (MSL 3 versus MSL 1).

Q: Is the LA-601ML package pitch compatible with LDS-C5202RI PCB layouts?

A: No. LA-601ML uses 10-DIP (0.400", 10.16mm) pitch, while LDS-C5202RI uses 10-DIP (0.600", 15.24mm) pitch. PCB layout modification is required. Additionally, digit height differs (0.58" versus 0.52"), affecting visual display size.

Q: Do all substitute parts meet RoHS and REACH compliance requirements?

A: All four parts (LDS-C5202RI, LA-601ML, LAP-601ML, SC52-11GWA) are ROHS3 compliant and REACH unaffected. Moisture sensitivity levels vary: LDS-C5202RI, LA-601ML, and SC52-11GWA are MSL 1 (Unlimited); LAP-601ML is MSL 3 (168 Hours).

Q: Which substitute offers the best brightness performance?

A: LAP-601ML provides the highest brightness at 100mcd, compared to 3.9mcd for LDS-C5202RI. SC52-11GWA offers 10.5mcd, and LA-601ML offers 22mcd. Brightness selection depends on application visibility requirements and power budget constraints.

Q: Can wavelength differences between substitutes affect display color perception?

A: All parts emit green light within the 563nm to 572nm range, which falls within the standard green LED wavelength band. Wavelength variations of this magnitude produce imperceptible color differences in typical applications. LDS-C5202RI and SC52-11GWA both emit at 565nm (identical), while LA-601ML emits at 563nm and LAP-601ML at 572nm.

Q: What is the impact of power dissipation differences on circuit design?

A: LDS-C5202RI dissipates 105mW maximum. SC52-11GWA dissipates 62.5mW (lower), LA-601ML dissipates 60mW (lower), and LAP-601ML dissipates 448mW (significantly higher). Higher power dissipation requires thermal management consideration and may impact PCB layout for heat distribution. Lower dissipation reduces thermal load.

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