LED Circuit Board Indicator 5505705 - Equivalent & Substitute Parts

Part Overview

The Dialight 5505705 is a 5mm LED circuit board indicator with yellow emission, designed for through-hole, right-angle mounting applications. This part operates at 2.2V with a 20mA forward current and delivers 140 millicandela brightness at a 24° viewing angle. The part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Active alternatives with identical or compatible electrical and mechanical specifications are available from both Dialight and Broadcom Limited.

Substiute Parts

5505705

DialightIn Stock: 10185505705 Datasheet

Current PartRFQ

5505707F

DialightIn Stock: 13785505707F Datasheet

DirectRFQ

HLMP-3850-K00B2

Broadcom LimitedIn Stock: 1169HLMP-3850-K00B2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5505705 is determined by the following critical parameters:

• Color and Wavelength: Yellow emission at 583nm peak wavelength
• Electrical Specifications: 20mA forward current and forward voltage within acceptable tolerance
• Optical Performance: 140mcd brightness rating and 24° viewing angle
• Mechanical Form Factor: 5mm, T-1 3/4 lens size with round domed top
• Mounting Configuration: Through-hole, right-angle orientation
• Environmental Compliance: MSL 1 rating and REACH Unaffected status

Two substitute parts meet these criteria:

1. 5505707F (Dialight) - Direct manufacturer substitute with identical electrical and optical specifications, active product status, and RoHS3 compliance
2. HLMP-3850-K00B2 (Broadcom Limited) - Cross-manufacturer equivalent with matching color, wavelength, current, brightness, viewing angle, and mounting type; forward voltage differs by 0.1V (2.1V vs 2.2V), which is within typical LED tolerance ranges

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: 5505707F (Dialight)

The 5505707F is the recommended direct substitute for the obsolete 5505705. Both parts are manufactured by Dialight and share identical electrical specifications (2.2V, 20mA), optical performance (140mcd, 24° viewing angle), and mechanical form factor (5mm T-1 3/4, round domed top, through-hole right-angle mounting). The 5505707F carries active product status and RoHS3 compliance, ensuring long-term availability and regulatory alignment.

Secondary Substitute: HLMP-3850-K00B2 (Broadcom Limited)

The HLMP-3850-K00B2 serves as a cross-manufacturer equivalent when Dialight parts are unavailable. This Broadcom part maintains identical color, wavelength, current rating, brightness, viewing angle, and mounting configuration. The forward voltage specification of 2.1V differs by 0.1V from the original 2.2V; this variance is within standard LED manufacturing tolerances and does not affect circuit compatibility in typical applications. The part is RoHS3 compliant and carries active product status.

Selection between these substitutes should be based on supply chain availability, cost considerations, and any existing design validation history with either manufacturer's components.

Frequently Asked Questions (FAQ)

Q: Can the 5505707F be used as a direct replacement for the 5505705?

A: Yes. The 5505707F is a direct Dialight substitute with identical electrical and optical specifications. Both parts operate at 2.2V, 20mA, deliver 140mcd brightness at 24° viewing angle, and use the same 5mm T-1 3/4 lens form factor with through-hole right-angle mounting.

Q: What is the difference between the 5505705 and 5505707F?

A: The primary difference is product status. The 5505705 is obsolete, while the 5505707F is active. The 5505707F also carries RoHS3 compliance certification. All electrical, optical, and mechanical parameters are identical.

Q: Is the HLMP-3850-K00B2 compatible with circuits designed for the 5505705?

A: Yes, with a minor voltage consideration. The HLMP-3850-K00B2 operates at 2.1V forward voltage compared to the 5505705's 2.2V. This 0.1V difference is within standard LED tolerance ranges and does not affect circuit operation in typical applications. The part matches all other critical parameters: 20mA current, 140mcd brightness, 24° viewing angle, and through-hole right-angle mounting.

Q: Why are the lens style and lens size specifications missing for the HLMP-3850-K00B2?

A: The provided data for the HLMP-3850-K00B2 does not include explicit lens style and size documentation. However, the part is listed as a compatible substitute with matching color, wavelength, current, brightness, and viewing angle specifications, indicating mechanical compatibility with the original form factor.

Q: Are both substitute parts RoHS compliant?

A: Yes. The 5505707F and HLMP-3850-K00B2 are both RoHS3 compliant. The original 5505705 does not have RoHS status specified in the available data.

Q: What is the inventory status of these substitute parts?

A: The 5505707F has 1,298 pieces in stock, and the HLMP-3850-K00B2 has 1,146 pieces in stock, both listed as new original inventory.