Incandescent Lamp RT-3.25 MIN BAYO 6.3V (Part Number 1866)

Part Overview

The JKL Components Corp. part number 1866 is an incandescent lamp with a 6.3V rating, round domed top lens design, and miniature bayonet base. This component is classified as obsolete, making substitute part identification necessary for ongoing system maintenance and new design implementations. The lamp delivers 0.25 MSCP (Mean Spherical Candle Power) in a clear lens configuration with RT-3 1/4 sizing.

Substiute Parts

1866

JKL Components Corp.In Stock: 10621866 Datasheet

Current PartRFQ

LE-BA9S-6W

JKL Components Corp.In Stock: 1032LE-BA9S-6W Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part LE-BA9S-6W is identified as a direct replacement based on the following critical parameters:

• Voltage Compatibility: Both the main part (6.3V) and substitute (6V) operate within compatible voltage ranges for bayonet-based lighting applications
• Base Type Match: Both components utilize bayonet base configuration, ensuring mechanical and electrical socket compatibility
• Functional Application: The substitute is specified as an LED bayonet lamp replacement, designed to directly address the obsolescence of the incandescent predecessor
• Compliance Alignment: Both parts maintain identical Moisture Sensitivity Level (MSL 1) and REACH Unaffected status, ensuring regulatory consistency

The substitution is based strictly on these provided parameters without extrapolation beyond the stated specifications.

Parameter Comparison

Engineering Selection Recommendations

The LE-BA9S-6W LED bayonet lamp is the designated substitute for the obsolete 1866 incandescent lamp. Selection of this substitute is supported by:

• Product Status: The main part is classified as obsolete, while the substitute maintains active product status, ensuring continued availability and supply chain reliability
• Regulatory Compliance: Both components maintain REACH Unaffected status and identical MSL ratings, confirming regulatory and environmental compatibility
• RoHS Compliance: The substitute part is RoHS3 compliant, meeting current environmental standards for electronic components
• Base Compatibility: Bayonet base configuration ensures direct mechanical and electrical fit within existing socket installations

Frequently Asked Questions (FAQ)

Q: Can the LE-BA9S-6W directly replace the 1866 in existing installations?

A: Yes. Both components share bayonet base configuration and compatible voltage specifications (6.3V vs. 6V). The substitute is designed as a direct replacement for bayonet-based lighting applications.

Q: What is the primary difference between these components?

A: The main part is an incandescent lamp (obsolete), while the substitute is an LED lamp (active). The LED substitute provides equivalent bayonet base compatibility with updated technology and active product availability.

Q: Are there packaging differences between the main part and substitute?

A: The main part is specified with dash packaging notation, while the substitute is packaged in boxes. Verify packaging requirements for your specific application and procurement process.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both components maintain REACH Unaffected status, MSL 1 (Unlimited) rating, and identical ECCN classification (EAR99), confirming regulatory alignment.

Q: What voltage tolerance should be considered for this substitution?

A: The main part operates at 6.3V while the substitute operates at 6V. This 0.3V difference is within acceptable tolerance for bayonet lamp applications in the specified voltage class.