TLHG6405-BTZ Equivalent & Substitute Parts

Part Overview

The TLHG6405-BTZ is a green diffused LED indicator manufactured by Vishay Semiconductor Opto Division, designed for through-hole mounting applications. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing production and maintenance requirements. The part operates at a forward voltage of 2.4V with a test current of 10mA and provides a 15mcd brightness rating with a 60° viewing angle.

Substiute Parts

TLHG6405-BTZ

Vishay Semiconductor Opto DivisionIn Stock: 1226TLHG6405-BTZ Datasheet

Current PartRFQ

SSL-LX5093XPGC

Lumex Opto/Components Inc.In Stock: 11194SSL-LX5093XPGC Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLHG6405-BTZ is determined by the following critical parameters:

Primary Compatibility Criteria:

• Color: Green (569nm dominant wavelength range)
• Lens Size: 5mm, T-1 3/4 form factor
• Mounting Type: Through Hole, Radial configuration
• Forward Voltage Range: 2.2V to 2.4V (acceptable tolerance for series circuit applications)
• Package / Case: Radial

Secondary Consideration Parameters:

• Millicandela Rating: Brightness levels between 15mcd and 45mcd are functionally compatible for indication applications
• Viewing Angle: Range from 20° to 60° accommodates different optical requirements
• Current - Test: 10mA to 20mA represents standard LED operating ranges

The SSL-LX5093XPGC from Lumex Opto/Components Inc. meets all primary compatibility criteria and is classified as an active product with current manufacturing status.

Parameter Comparison

Engineering Selection Recommendations

The SSL-LX5093XPGC is the designated manufacturer-recommended substitute for the obsolete TLHG6405-BTZ. Selection of this substitute is supported by the following factors:

Product Status: The SSL-LX5093XPGC maintains active manufacturing status, ensuring long-term availability and supply chain continuity compared to the obsolete TLHG6405-BTZ.

Regulatory Compliance: The SSL-LX5093XPGC is ROHS3 compliant, whereas the TLHG6405-BTZ is RoHS non-compliant. This compliance status is relevant for applications subject to RoHS directives.

Form Factor Compatibility: Both parts share identical lens size (5mm, T-1 3/4), mounting type (through hole), and package configuration (radial), enabling direct mechanical and electrical integration into existing PCB designs without layout modifications.

Electrical Parameters: The forward voltage differential of 0.2V (2.4V vs. 2.2V) falls within acceptable tolerance for series-resistor-limited LED circuits. The increased test current (20mA vs. 10mA) and brightness rating (45mcd vs. 15mcd) represent enhanced performance characteristics suitable for indication applications.

Frequently Asked Questions (FAQ)

Q: Can the SSL-LX5093XPGC be used as a direct replacement for the TLHG6405-BTZ without circuit modifications?

A: The SSL-LX5093XPGC is mechanically and electrically compatible for direct substitution in through-hole applications. The 0.2V forward voltage difference requires evaluation of series resistor values in current-limiting circuits. The increased brightness (45mcd vs. 15mcd) may necessitate resistor adjustment to maintain consistent indicator intensity.

Q: What is the significance of the lens transparency difference (diffused vs. clear)?

A: The TLHG6405-BTZ features a diffused lens, which scatters light over a wider area with reduced intensity concentration. The SSL-LX5093XPGC features a clear lens, which concentrates light with higher intensity in the forward direction. This difference affects visual appearance and perceived brightness in the application environment.

Q: How does the viewing angle difference (60° vs. 20°) impact substitution?

A: The TLHG6405-BTZ provides a 60° viewing angle, distributing light across a wider field. The SSL-LX5093XPGC provides a 20° viewing angle, concentrating light in a narrower cone. Application requirements determine whether the narrower viewing angle is acceptable for the intended use case.

Q: Are there inventory considerations for the SSL-LX5093XPGC?

A: The SSL-LX5093XPGC is available with 11,164 pieces in stock as new original inventory, providing immediate availability compared to the obsolete TLHG6405-BTZ.

Q: What is the wavelength relationship between these parts?

A: Both parts emit green light within the visible spectrum. The TLHG6405-BTZ has a peak wavelength of 565nm with a dominant wavelength of 569nm. The SSL-LX5093XPGC has a peak wavelength of 555nm. Both wavelengths are within the green spectrum and are visually indistinguishable in typical indicator applications.