Equivalent & Substitute Parts for 3BC-3-Y/G

Part Overview

The 3BC-3-Y/G is a dual-color LED indicator manufactured by Bivar Inc., featuring integrated green and yellow light-emitting elements in a common cathode configuration. This component is designed for through-hole mounting applications requiring simultaneous green and yellow indication capability in a compact T-1 (3mm) form factor.

The 3BC-3-Y/G is classified as obsolete. Identifying suitable substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production requirements for applications utilizing this dual-color LED configuration.

Substiute Parts

3BC-3-Y/G

Bivar Inc.In Stock: 8753BC-3-Y/G Datasheet

Current PartRFQ

3BC-3-Y/G-F

Bivar Inc.In Stock: 10883BC-3-Y/G-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 3BC-3-Y/G is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Color configuration (Green and Yellow dual-color)
• Configuration type (Common Cathode)
• Lens size (T-1 / 3mm)
• Lens transparency (Diffused)
• Forward voltage specifications (2.1V Green, 2V Yellow)
• Test current ratings (20mA Green, 20mA Yellow)
• Millicandela output (30mcd Green, 20mcd Yellow)
• Viewing angle (40°)
• Mounting type (Through Hole)
• Package configuration (Radial - 3 Leads)
• Wavelength characteristics (568nm Green, 590nm Yellow)

The substitute part 3BC-3-Y/G-F meets all mandatory matching parameters and is therefore classified as a direct equivalent. Differences in packaging format (Bulk versus standard packaging) and product status (Active versus Obsolete) do not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The 3BC-3-Y/G-F is a direct electrical and mechanical equivalent to the 3BC-3-Y/G. Selection of the substitute part is supported by the following factors:

Product Status: The 3BC-3-Y/G-F maintains Active product status, ensuring continued availability and manufacturing support. The original 3BC-3-Y/G is classified as Obsolete, making the substitute the appropriate choice for new designs and ongoing production.

Compliance Certification: The 3BC-3-Y/G-F is certified as ROHS3 Compliant, meeting current environmental and regulatory requirements. This certification supports use in applications subject to modern compliance standards.

Physical Compatibility: The 3BC-3-Y/G-F exhibits a reduced maximum height of 5.30mm compared to the original part's 6.55mm. This dimensional difference is compatible with through-hole mounting applications and does not introduce mechanical interference in standard PCB layouts.

Electrical Equivalence: All electrical parameters, including forward voltage, test current, millicandela output, viewing angle, and wavelength characteristics, are identical between the main part and substitute. No circuit redesign or recalibration is required.

Packaging Flexibility: The 3BC-3-Y/G-F is available in Bulk packaging, providing flexibility for high-volume production requirements while maintaining component specifications.

Frequently Asked Questions (FAQ)

Q: Can the 3BC-3-Y/G-F be used as a direct replacement for the 3BC-3-Y/G in existing designs?

A: Yes. The 3BC-3-Y/G-F is electrically and mechanically equivalent to the 3BC-3-Y/G. All critical parameters including forward voltage, test current, millicandela output, viewing angle, and wavelength characteristics are identical. The substitute part can be used without circuit modification.

Q: What is the significance of the height difference between the two parts?

A: The 3BC-3-Y/G-F has a maximum height of 5.30mm, compared to 6.55mm for the original 3BC-3-Y/G. This 1.25mm reduction does not affect compatibility with standard through-hole PCB layouts. Both parts use identical radial lead configurations and mounting methods.

Q: Why is the 3BC-3-Y/G classified as Obsolete?

A: The 3BC-3-Y/G is no longer in active production. The 3BC-3-Y/G-F represents the current manufacturing equivalent and is the recommended part for new designs and ongoing production support.

Q: Does the 3BC-3-Y/G-F meet current compliance requirements?

A: Yes. The 3BC-3-Y/G-F is certified as ROHS3 Compliant, meeting current environmental and regulatory standards. The original 3BC-3-Y/G compliance status is not specified in available documentation.

Q: Are there any differences in packaging that affect component selection?

A: The 3BC-3-Y/G-F is supplied in Bulk packaging. The original 3BC-3-Y/G packaging format is not specified. Bulk packaging is standard for high-volume production and does not affect component electrical or mechanical performance.

Q: What is the common cathode configuration?

A: Common cathode configuration means the cathode (negative terminal) is shared between the green and yellow LED elements. The three leads consist of one common cathode and two separate anodes, one for each color. This configuration allows independent control of green and yellow illumination through separate current paths.

Q: Are the optical characteristics identical between the two parts?

A: Yes. Both parts feature identical lens size (T-1 / 3mm), lens transparency (Diffused), lens style (Round with Domed Top), viewing angle (40°), and wavelength characteristics (568nm Green, 590nm Yellow). Optical performance is equivalent.