ASDL-4860-C22 Equivalent & Substitute Parts

Part Overview

The ASDL-4860-C22 is an Infrared (IR) Emitter operating at 850nm wavelength, manufactured by Lite-On Inc. This component is designed for surface mount applications requiring 500mA maximum forward current with 1.4V typical forward voltage. The part is classified as Obsolete, making identification of compatible substitute components essential for ongoing production and maintenance applications.

Substiute Parts

ASDL-4860-C22

Lite-On Inc.In Stock: 968ASDL-4860-C22 Datasheet

Current PartRFQ

HIR-C06/L298-P01/TR

Everlight Electronics Co LtdIn Stock: 1200HIR-C06/L298-P01/TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ASDL-4860-C22 is determined by the following critical parameters:

• Wavelength: Must be 850nm to maintain optical compatibility with receiver circuits
• Viewing Angle: Must be 120° to preserve beam pattern characteristics
• Mounting Type: Must be Surface Mount for PCB assembly compatibility
• Radiant Intensity: Must meet or exceed 40mW/sr specification at the operating current
• Operating Temperature Range: Must support the required thermal environment
• Forward Current Rating: Must accommodate the circuit's current requirements
• Forward Voltage: Must be compatible with the power supply design

The HIR-C06/L298-P01/TR from Everlight Electronics Co Ltd qualifies as a substitute based on matching wavelength (850nm), viewing angle (120°), surface mount configuration, and radiant intensity specification (40mW/sr @ 350mA).

Parameter Comparison

Engineering Selection Recommendations

The HIR-C06/L298-P01/TR is an active product with ROHS3 compliance, providing supply chain continuity for applications currently using the obsolete ASDL-4860-C22. The substitute maintains critical optical parameters (850nm wavelength, 120° viewing angle, 40mW/sr radiant intensity) required for functional equivalence.

Design considerations for substitution include:

• Forward voltage increases from 1.4V to 1.7V; circuit power supply design must accommodate this 0.3V differential
• Maximum forward current rating increases from 500mA to 700mA, providing design margin
• Operating temperature upper limit decreases from 100°C to 85°C; verify thermal environment compatibility
• Package configuration changes from 4-SMD Flat Leads to 3-SMD No Lead; PCB layout and reflow profile adjustment required
• Moisture sensitivity improves from MSL 3 to MSL 1, reducing storage and handling requirements

Frequently Asked Questions (FAQ)

Q: Can the HIR-C06/L298-P01/TR directly replace the ASDL-4860-C22 without circuit modification?

A: The substitute maintains wavelength, viewing angle, and radiant intensity specifications. However, the forward voltage increase (1.4V to 1.7V) requires circuit verification. If the original design operates at maximum current (500mA), the substitute's higher voltage rating accommodates this without modification. PCB layout changes are necessary due to package configuration differences (4-SMD Flat Leads vs. 3-SMD No Lead).

Q: What are the key compatibility criteria for 850nm IR emitter substitution?

A: Wavelength (850nm), viewing angle (120°), radiant intensity (40mW/sr minimum), and surface mount configuration are the primary criteria. Forward voltage and current ratings must be compatible with the circuit design. Operating temperature range must support the application environment.

Q: Does the package change from 4-SMD to 3-SMD affect assembly?

A: Yes. The 3-SMD No Lead package requires PCB footprint redesign and reflow profile adjustment compared to the 4-SMD Flat Leads configuration. Manufacturing and assembly processes must be validated for the new package geometry.

Q: Is the HIR-C06/L298-P01/TR suitable for high-temperature applications?

A: The substitute operates to 85°C maximum, compared to the original part's 100°C rating. Applications requiring operation above 85°C require alternative component selection or thermal management review.

Q: What is the significance of the MSL rating change from 3 to 1?

A: MSL 1 (Unlimited) provides superior moisture tolerance compared to MSL 3 (168 Hours). The substitute requires less stringent storage and handling controls, reducing logistics complexity and improving shelf life management.