Equivalent & Substitute Parts for Bivar Inc. 5YC5.523

Part Overview

The Bivar Inc. 5YC5.523 is a yellow LED indication component in T-1 3/4 (5mm) through-hole package with 5500mcd brightness rating and 2.2V forward voltage. This part is classified as obsolete, making identification of functionally equivalent substitutes necessary for ongoing design support and component procurement.

The 5YC5.523 serves as a discrete yellow LED indicator in applications requiring radial through-hole mounting with clear lens optics and standard viewing angle characteristics.

Substiute Parts

5YC5.523

Bivar Inc.In Stock: 10595YC5.523 Datasheet

Current PartRFQ

SLI-570YT3F

Rohm SemiconductorIn Stock: 1877SLI-570YT3F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5YC5.523 is determined by the following critical parameters:

Physical Compatibility:

• Lens size: 5mm, T-1 3/4 form factor
• Mounting type: Through hole radial configuration
• Height maximum: 8.85mm
• Lens style: Round with domed top
• Lens transparency: Clear

Optical Compatibility:

• Color: Yellow
• Wavelength range: 590-591nm (peak/dominant)
• Millicandela rating: Minimum 5200mcd (within acceptable brightness tolerance)
• Viewing angle: 20-23° (standard viewing angle range)

Electrical Compatibility:

• Forward voltage (Vf): 2.1-2.2V typical
• Test current: 20mA

Regulatory Compliance:

• ECCN: EAR99
• HTSUS: 8541.41.0000
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part SLI-570YT3F from Rohm Semiconductor meets all critical parameters within acceptable engineering tolerances for direct substitution in applications originally designed for the 5YC5.523.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SLI-570YT3F (Rohm Semiconductor)

The SLI-570YT3F is the qualified substitute for the obsolete 5YC5.523. Selection is based on the following engineering criteria:

Product Status Alignment: The SLI-570YT3F maintains active product status with Rohm Semiconductor, ensuring long-term availability and supply chain continuity compared to the obsolete 5YC5.523.

Regulatory Compliance: Both parts share identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications. The SLI-570YT3F provides additional compliance documentation through ROHS3 certification and REACH unaffected status, meeting modern regulatory requirements.

Physical and Electrical Compatibility: The SLI-570YT3F maintains identical mechanical form factor (5mm T-1 3/4 through-hole radial package, 8.85mm maximum height) and electrical operating parameters (20mA test current, 2.1V forward voltage) within standard engineering tolerances.

Optical Performance: Wavelength variance of 1nm (590nm to 591nm) and millicandela variance of 300mcd (5500mcd to 5200mcd) remain within acceptable tolerances for yellow LED indication applications. Viewing angle variance of 3° (23° to 20°) is acceptable for standard indicator applications.

Inventory and Availability: The SLI-570YT3F is available in active inventory (1826 pcs) in bulk packaging, supporting immediate procurement for design transitions and production requirements.

Frequently Asked Questions (FAQ)

Q: Can the SLI-570YT3F directly replace the 5YC5.523 in existing PCB designs?

A: Yes. The SLI-570YT3F maintains identical physical dimensions (5mm T-1 3/4 through-hole radial package, 8.85mm height) and electrical parameters (2.1V forward voltage, 20mA test current) within standard engineering tolerances. No PCB layout modifications are required.

Q: What is the brightness difference between the 5YC5.523 and SLI-570YT3F?

A: The 5YC5.523 is rated at 5500mcd while the SLI-570YT3F is rated at 5200mcd, representing a 300mcd variance (approximately 5.5% reduction). This variance is within acceptable tolerances for standard yellow LED indication applications.

Q: Are there wavelength differences between these parts?

A: The 5YC5.523 has a peak wavelength of 590nm while the SLI-570YT3F has a dominant wavelength of 591nm. This 1nm variance is negligible for visual indication applications and maintains consistent yellow color perception.

Q: What is the viewing angle difference?

A: The 5YC5.523 has a 23° viewing angle while the SLI-570YT3F has a 20° viewing angle. This 3° variance represents a slightly narrower viewing cone in the substitute part, which remains acceptable for standard indicator applications.

Q: Does the SLI-570YT3F meet current regulatory requirements?

A: Yes. The SLI-570YT3F is ROHS3 compliant and REACH unaffected, meeting current regulatory standards. Both parts share identical ECCN (EAR99) and HTSUS (8541.41.0000) classifications.

Q: What is the forward voltage difference?

A: The 5YC5.523 has a typical forward voltage of 2.2V while the SLI-570YT3F has a typical forward voltage of 2.1V. This 0.1V variance is within standard LED tolerance ranges and does not require circuit redesign for typical indicator applications.

Q: Is the SLI-570YT3F available in the same packaging as the 5YC5.523?

A: The SLI-570YT3F is available in bulk packaging, while the 5YC5.523 packaging specification was not provided. Both parts use identical T-1 3/4 (5mm) through-hole radial form factor suitable for standard PCB assembly processes.

Q: What is the moisture sensitivity level for the SLI-570YT3F?

A: The SLI-570YT3F has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), identical to the 5YC5.523, indicating no moisture sensitivity restrictions for storage or handling.