ACSC03-41SRWA-F01 Equivalent & Substitute Parts

Part Overview

The ACSC03-41SRWA-F01 is a 7-segment LED display module manufactured by Kingbright, featuring a single red character with 0.30" digit height in a 10-SMD, No Lead package. This component is classified as Obsolete, indicating discontinued production and limited availability. The part operates as a Common Cathode display with a typical forward voltage of 1.85V and test current of 20mA, delivering 9.8mcd brightness at a 660nm peak wavelength.

Due to its obsolete status, sourcing replacement units from original inventory becomes increasingly difficult. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications requiring this display specification.

Substiute Parts

ACSC03-41SRWA-F01

KingbrightIn Stock: 1079ACSC03-41SRWA-F01 Datasheet

Current PartRFQ

ACSC03-41SURKWA-F01

KingbrightIn Stock: 4097ACSC03-41SURKWA-F01 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ACSC03-41SRWA-F01 is determined by strict alignment with the following critical parameters:

Mandatory Matching Parameters:

• Display Type: 7-Segment
• Number of Characters: 1
• Common Pin Configuration: Common Cathode
• Digit/Alpha Size: 0.30" (7.62mm)
• Color: Red
• Package / Case: 10-SMD, No Lead
• Physical Dimensions: 0.394" H x 0.287" W x 0.148" D (10.00mm x 7.30mm x 3.75mm)
• Power Dissipation (Max): 75mW
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 2A (4 Weeks)

Allowable Variation Parameters:

• Voltage - Forward (Vf) (Typ): Within compatible operating range
• Current - Test: Within compatible operating range
• Millicandela Rating: Brightness variations acceptable if electrical characteristics remain compatible
• Wavelength - Peak: Red spectrum variations acceptable within color specification
• Product Status: Active status preferred for ongoing availability

The substitute part ACSC03-41SURKWA-F01 meets all mandatory matching criteria while offering improved brightness (27mcd vs. 9.8mcd) and active product status, making it a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: ACSC03-41SURKWA-F01

The ACSC03-41SURKWA-F01 is the direct substitute for the obsolete ACSC03-41SRWA-F01. Selection of this substitute is justified by the following factors:

1. Product Status: The substitute maintains Active status, ensuring continued availability and supply chain stability compared to the Obsolete main part.

2. Regulatory Compliance: Both parts maintain identical ROHS3 Compliant and REACH Unaffected certifications, satisfying all environmental and regulatory requirements.

3. Electrical Compatibility: The substitute operates within compatible electrical parameters. The forward voltage increase from 1.85V to 1.95V (0.10V differential) and identical 20mA test current remain within standard circuit design tolerances for 7-segment display applications.

4. Physical Interchangeability: Identical package dimensions (10-SMD, No Lead) and physical footprint (0.394" H x 0.287" W x 0.148" D) ensure direct PCB compatibility without layout modifications.

5. Moisture Handling: Identical MSL rating (2A, 4 Weeks) maintains equivalent handling and storage requirements.

6. Enhanced Performance: The substitute provides increased brightness (27mcd vs. 9.8mcd), offering improved visibility without requiring circuit redesign.

The substitute part is suitable for direct replacement in existing designs without circuit modification or re-qualification.

Frequently Asked Questions (FAQ)

Q: Can ACSC03-41SURKWA-F01 be used as a direct replacement for ACSC03-41SRWA-F01 on existing PCBs?

A: Yes. Both parts share identical physical dimensions, package type (10-SMD, No Lead), and electrical operating parameters (20mA test current, 75mW maximum power dissipation). The PCB footprint and pin configuration are identical, requiring no layout changes.

Q: What is the difference in forward voltage between these parts?

A: The main part operates at 1.85V typical forward voltage, while the substitute operates at 1.95V typical forward voltage. This 0.10V difference is within standard design tolerances for LED display circuits and does not require circuit recalibration.

Q: Why does the substitute have higher brightness (27mcd vs. 9.8mcd)?

A: The brightness difference reflects manufacturing improvements in the active substitute part. Both parts operate at identical test current (20mA) and maximum power dissipation (75mW), indicating the enhanced brightness results from improved LED die efficiency rather than increased electrical stress.

Q: Are there packaging differences between these parts?

A: The main part is supplied in standard packaging, while the substitute is supplied in Tape & Reel (TR) format. Both use identical 10-SMD, No Lead package cases. Tape & Reel packaging is standard for high-volume production and does not affect component performance or compatibility.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both parts are ROHS3 Compliant, REACH Unaffected, and carry identical environmental certifications. Moisture Sensitivity Level (MSL) is identical at 2A (4 Weeks) for both parts.

Q: What is the wavelength difference between 660nm and 650nm?

A: Both wavelengths fall within the red spectrum for LED displays. The 10nm difference represents a slight shift toward orange-red but remains within standard red color specification for 7-segment displays. Visual color difference is negligible in typical applications.

Q: Why is the main part listed as Obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The substitute part maintains Active status, ensuring ongoing availability and supply chain continuity for new designs and replacement requirements.