C503B-AAS-CA0B0342 Equivalent & Substitute Parts

Part Overview

The C503B-AAS-CA0B0342 is an amber LED indicator with 5mm round through-hole mounting, manufactured by CreeLED, Inc. This component is designed for discrete indication applications requiring amber wavelength output at 591nm. The part is currently Active in product status and available in Tape & Box packaging with 896 units in stock. Substitute parts become necessary when specific packaging requirements, inventory constraints, or performance specifications necessitate alternative sourcing while maintaining functional compatibility.

Substiute Parts

C503B-AAS-CA0B0342

CreeLED, Inc.In Stock: 918C503B-AAS-CA0B0342 Datasheet

Current PartRFQ

C503B-AAN-CY0B0252

CreeLED, Inc.In Stock: 3588C503B-AAN-CY0B0252 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the C503B-AAS-CA0B0342 is determined by the following critical parameters:

• Color and Wavelength: Amber at 591nm dominant wavelength (non-negotiable for indication function)
• Electrical Characteristics: Forward voltage of 2.1V and test current of 20mA (circuit compatibility)
• Mechanical Form Factor: 5.00mm diameter round lens with through-hole mounting (PCB layout compatibility)
• Viewing Angle: 15° (optical performance specification)
• Lens Configuration: Round with domed top (optical and mechanical consistency)
• Compliance Status: RoHS and REACH compliance (regulatory requirement)

The substitute part C503B-AAN-CY0B0252 meets all critical substitution criteria while differing in packaging format (Cut Tape vs. Tape & Box) and minor performance variations within acceptable tolerances.

Parameter Comparison

Engineering Selection Recommendations

Both parts are Active products from CreeLED, Inc., with full RoHS and REACH compliance. The C503B-AAN-CY0B0252 substitute is electrically and mechanically compatible with the C503B-AAS-CA0B0342 for all circuit and PCB layout requirements.

Primary Differentiation Factors:

• Packaging Format: The main part is supplied in Tape & Box (TB) format, while the substitute is supplied in Cut Tape (CT) format. Selection depends on assembly line requirements and inventory management protocols.
• Brightness Performance: The substitute part provides 14680mcd versus 13000mcd, representing a 12.8% increase in luminous intensity. This higher brightness is compatible with applications designed for the main part and does not introduce circuit compatibility issues.
• Physical Height: The substitute part measures 11.30mm maximum height compared to 13.20mm for the main part. This 1.9mm reduction may be advantageous for space-constrained PCB layouts but must be verified against specific mechanical clearance requirements.

Selection between these parts should be based on packaging availability, inventory status, and mechanical envelope constraints specific to the application.

Frequently Asked Questions (FAQ)

Q: Can C503B-AAN-CY0B0252 be used as a direct replacement for C503B-AAS-CA0B0342 in existing circuit designs?

A: Yes. Both parts share identical electrical characteristics (2.1V forward voltage, 20mA test current, 591nm wavelength, 15° viewing angle) and mechanical form factor (5mm round through-hole). The substitute is electrically and functionally compatible.

Q: What is the significance of the different millicandela ratings?

A: The substitute part (14680mcd) provides higher luminous intensity than the main part (13000mcd). This increased brightness is compatible with applications designed for the main part and does not create circuit compatibility issues. Applications requiring specific brightness levels should confirm the higher output is acceptable.

Q: How does the height difference affect PCB layout compatibility?

A: The substitute part is 1.9mm shorter (11.30mm vs. 13.20mm maximum height). This reduction may provide additional clearance in space-constrained designs but must be verified against specific mechanical requirements, including solder joint clearance and component spacing on the PCB.

Q: What is the difference between Tape & Box and Cut Tape packaging?

A: Tape & Box (TB) packaging includes a protective box for bulk storage and handling, suitable for manual assembly or smaller production runs. Cut Tape (CT) packaging provides individual tape segments, typically used for automated pick-and-place assembly systems. Selection depends on assembly process requirements.

Q: Are both parts RoHS compliant?

A: Yes. The main part is RoHS Compliant, and the substitute is ROHS3 Compliant. Both meet current RoHS regulatory requirements. Both parts are REACH Unaffected.

Q: Can these parts be mixed in the same production batch?

A: Yes, provided the application design accommodates the brightness and height variations. Both parts are from the same manufacturer (CreeLED, Inc.) and share the same base product number (C503B), ensuring consistent quality and performance characteristics within their specified parameters.