Dialight 5505705F LED Circuit Board Indicator - Equivalent & Substitute Parts

Part Overview

The Dialight 5505705F is a yellow LED circuit board indicator designed for through-hole, right-angle mounting applications. This component is classified as obsolete, making identification of compatible substitute parts essential for ongoing production support and design continuity. The 5505705F delivers 140 millicandela output at 20mA forward current with a 24-degree viewing angle, suitable for standard indicator applications requiring yellow illumination at 583nm peak wavelength.

Substiute Parts

5505705F

DialightIn Stock: 8615505705F Datasheet

Current PartRFQ

HLMP-3850-K00B2

Broadcom LimitedIn Stock: 1169HLMP-3850-K00B2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Dialight 5505705F is determined by strict alignment across the following critical parameters:

• Color: Yellow (583nm peak wavelength)
• Configuration: Single LED
• Forward Current: 20mA
• Millicandela Rating: 140mcd
• Viewing Angle: 24°
• Lens Type: Clear
• Mounting Type: Through Hole, Right Angle
• Voltage Rating: 2.1V to 2.2V (acceptable tolerance range)
• RoHS Compliance: Required
• Moisture Sensitivity Level: 1 (Unlimited)

The Broadcom Limited HLMP-3850-K00B2 meets all substitution criteria. This part maintains electrical equivalence across current, brightness, wavelength, and viewing angle specifications while offering active product status and current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

The Broadcom Limited HLMP-3850-K00B2 is the direct functional equivalent for the obsolete Dialight 5505705F. Selection rationale is based on the following factors:

• Electrical Equivalence: Identical forward current (20mA), brightness (140mcd), wavelength (583nm), and viewing angle (24°) specifications ensure drop-in compatibility in existing circuit designs.
• Voltage Compatibility: The HLMP-3850-K00B2 operates at 2.1V versus the 5505705F at 2.2V, representing a 0.1V difference within acceptable LED operating tolerances for standard current-limiting resistor designs.
• Regulatory Compliance: Both parts maintain RoHS and REACH compliance status, with the substitute offering ROHS3 certification, meeting current environmental standards.
• Product Availability: The HLMP-3850-K00B2 carries active product status with 1146 units in current inventory, ensuring long-term supply continuity compared to the obsolete 5505705F.
• Mechanical Compatibility: Identical through-hole, right-angle mounting configuration permits direct board-level substitution without PCB redesign.

Frequently Asked Questions (FAQ)

Q: Can the Broadcom HLMP-3850-K00B2 replace the Dialight 5505705F in existing designs without circuit modification?

A: Yes. The HLMP-3850-K00B2 maintains electrical equivalence across all critical parameters: 20mA forward current, 140mcd brightness, 583nm wavelength, 24-degree viewing angle, and through-hole right-angle mounting. The 0.1V voltage difference (2.1V vs 2.2V) is within standard LED operating tolerance and does not require resistor recalculation in typical indicator applications.

Q: What is the significance of the voltage rating difference between these parts?

A: The Dialight 5505705F specifies 2.2V while the Broadcom HLMP-3850-K00B2 specifies 2.1V. This 0.1V difference represents normal manufacturing variation in LED forward voltage and does not impact circuit functionality. Standard current-limiting resistor designs accommodate this tolerance range automatically.

Q: Are there any compliance or certification differences between these parts?

A: Both parts are RoHS compliant and REACH unaffected. The HLMP-3850-K00B2 carries ROHS3 certification, representing the current revision of RoHS standards. Both maintain Moisture Sensitivity Level 1 (Unlimited), indicating no special handling requirements.

Q: What packaging format is the Broadcom substitute supplied in?

A: The HLMP-3850-K00B2 is supplied in bulk packaging, suitable for automated assembly and manual component selection. The Dialight 5505705F packaging format is not specified in available documentation.

Q: Is the Broadcom HLMP-3850-K00B2 the only available substitute for the Dialight 5505705F?

A: Based on the provided substitute list, the Broadcom HLMP-3850-K00B2 is the documented equivalent part. Substitution eligibility is determined by strict alignment across color, wavelength, current rating, brightness, viewing angle, lens type, and mounting configuration specifications.