ELF-512UBWA/C470 Equivalent & Substitute Parts Reference

Part Overview

The ELF-512UBWA/C470 is a 4-character 7-segment blue LED display module manufactured by Everlight Electronics Co Ltd. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. The module features a 0.56" digit size, common anode configuration, and 12-DIP package format suitable for standard PCB integration.

Substiute Parts

ELF-512UBWA/C470

Everlight Electronics Co LtdIn Stock: 1034ELF-512UBWA/C470 Datasheet

Current PartRFQ

LTC-5653B-01

Lite-On Inc.In Stock: 937LTC-5653B-01 Datasheet

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LTC-5653CB

Lite-On Inc.In Stock: 1057LTC-5653CB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ELF-512UBWA/C470 are identified based on strict electrical and mechanical compatibility criteria. The following parameters determine substitution eligibility:

Critical Matching Parameters:

• Number of Characters: 4
• Display Type: 7-Segment
• Digit Size: 0.56" (14.22mm)
• Common Pin Configuration: Common Anode
• Color: Blue
• Package / Case: 12-DIP (0.600", 15.24mm)
• Physical Dimensions: 0.748" H x 1.984" W x 0.315" D (19.00mm x 50.40mm x 8.00mm)
• Current - Test: 20mA

Allowable Variation Parameters:

• Voltage - Forward (Vf) (Typ): ±0.5V tolerance
• Millicandela Rating: Brightness variations acceptable within design margin
• Wavelength - Peak: Blue spectrum range (428nm to 468nm)
• Power Dissipation (Max): Within thermal design limits

Both identified substitute parts meet all critical matching parameters and fall within allowable variation ranges for electrical characteristics.

Parameter Comparison

Engineering Selection Recommendations

LTC-5653CB (Preferred Substitute)

The LTC-5653CB is the primary recommended substitute for the obsolete ELF-512UBWA/C470. This part maintains identical mechanical compatibility and electrical operating parameters within acceptable design margins. The forward voltage of 3.3V is closest to the original 3.5V specification, minimizing circuit redesign requirements. The millicandela rating of 9mcd exceeds the original 6mcd, providing enhanced brightness margin. The wavelength peak of 468nm matches the original specification exactly. The part carries ROHS3 compliance certification, meeting current regulatory requirements. Active product status ensures long-term availability and supply chain stability.

LTC-5653B-01 (Alternative Substitute)

The LTC-5653B-01 serves as an alternative substitute where lower power dissipation is advantageous. This part operates at 3.8V forward voltage, requiring minor circuit adjustment compared to the original 3.5V specification. The millicandela rating of 4.3mcd is lower than the original 6mcd, suitable only for applications where reduced brightness is acceptable. Power dissipation of 65mW is significantly lower than the original 130mW, providing thermal design benefits. The wavelength peak of 428nm differs from the original 468nm, representing a shift within the blue spectrum range. ROHS3 compliance and active product status are confirmed.

Both substitute parts are manufactured by Lite-On Inc., an established LED display component supplier. Selection between LTC-5653CB and LTC-5653B-01 depends on specific application requirements regarding brightness, forward voltage tolerance, and power dissipation constraints.

Frequently Asked Questions (FAQ)

Q: Can the LTC-5653CB be used as a direct replacement for the ELF-512UBWA/C470 without circuit modifications?

A: The LTC-5653CB is mechanically and functionally compatible with identical pinout and package dimensions. The forward voltage difference of 0.2V (3.3V vs 3.5V) falls within typical design margins for LED display circuits. Circuit verification is necessary to confirm compatibility with existing current-limiting resistor values and power supply specifications.

Q: What is the significance of the wavelength difference between the ELF-512UBWA/C470 (468nm) and LTC-5653B-01 (428nm)?

A: Both wavelengths fall within the blue spectrum range. The 468nm wavelength represents a blue-green shift, while 428nm represents a deeper blue. Visual appearance will differ slightly. The LTC-5653CB maintains the original 468nm wavelength, providing identical color characteristics.

Q: Why is the LTC-5653CB recommended over the LTC-5653B-01?

A: The LTC-5653CB provides closer electrical parameter alignment with the original part, including forward voltage (3.3V vs 3.5V) and wavelength (468nm match). The brightness rating of 9mcd exceeds the original 6mcd specification. These factors minimize circuit redesign requirements and maintain visual consistency with the original design.

Q: Are both substitute parts available in the same 12-DIP package format?

A: Both LTC-5653CB and LTC-5653B-01 are packaged in 12-DIP (0.600", 15.24mm) format with identical physical dimensions of 0.748" H x 1.984" W x 0.315" D (19.00mm x 50.40mm x 8.00mm). Direct PCB mounting compatibility is confirmed.

Q: What compliance certifications apply to the substitute parts?

A: Both LTC-5653CB and LTC-5653B-01 carry ROHS3 compliance certification. Both parts are classified under ECCN EAR99 and HTSUS code 8541.41.0000, matching the original part's regulatory classification. Moisture Sensitivity Level is 1 (Unlimited) for all parts.

Q: How do the power dissipation ratings compare between the main part and substitutes?

A: The ELF-512UBWA/C470 specifies 130mW maximum power dissipation. The LTC-5653CB operates at 115mW, and the LTC-5653B-01 at 65mW. Both substitutes operate within or below the original specification, providing thermal design flexibility.

Q: What is the current test rating for all parts?

A: All three parts—ELF-512UBWA/C470, LTC-5653CB, and LTC-5653B-01—operate at 20mA test current, ensuring identical drive circuit requirements and compatibility with standard LED display driver circuits.