TLMB3100-GS08 Equivalent & Substitute Parts

Part Overview

The TLMB3100-GS08 is a blue LED indication component manufactured by Vishay Semiconductor Opto Division, configured as a 2-SMD, J-Lead surface mount device. This part operates at 3.9V forward voltage with a 466nm dominant wavelength and delivers 8mcd luminous intensity. The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity.

Substiute Parts

TLMB3100-GS08

Vishay Semiconductor Opto DivisionIn Stock: 821TLMB3100-GS08 Datasheet

Current PartRFQ

67-21SUBC/S400-X9/TR8

Everlight Electronics Co LtdIn Stock: 111167-21SUBC/S400-X9/TR8 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLMB3100-GS08 is determined by the following critical parameters:

• Color and Wavelength: Blue LED with dominant wavelength in the 466–470nm range
• Mounting Configuration: Surface mount technology with compatible footprint dimensions
• Electrical Performance: Forward voltage tolerance (4.6V–3.9V), test current compatibility (10–20mA)
• Optical Characteristics: Viewing angle of 120°, lens size 2.40mm diameter, clear lens transparency
• Compliance: RoHS3 compliance and EAR99 ECCN classification
• Package Type: 2-lead SMD configuration suitable for automated assembly

The substitute part 67-21SUBC/S400-X9/TR8 (Everlight Electronics Co Ltd) meets these criteria with compatible electrical and mechanical specifications, though with enhanced luminous intensity (135mcd vs. 8mcd) and reduced package height (0.85mm vs. 1.75mm).

Parameter Comparison

Engineering Selection Recommendations

The 67-21SUBC/S400-X9/TR8 serves as an active substitute for the obsolete TLMB3100-GS08. Both components share identical viewing angle (120°) and lens diameter (2.40mm), with compatible surface mount assembly requirements. The substitute operates at a lower forward voltage (4.6V vs. 3.9V) and supports higher test current (20mA vs. 10mA), delivering significantly higher luminous intensity (135mcd vs. 8mcd).

The substitute part is currently in active production status with confirmed inventory availability (1090 pcs), whereas the original part is obsolete with limited stock (749 pcs). Both components carry EAR99 ECCN classification. The substitute's reduced package height (0.85mm vs. 1.75mm) and slightly larger length dimension (4.60mm vs. 3.00mm) require PCB layout verification for mechanical clearance and thermal management considerations.

Frequently Asked Questions (FAQ)

Q: Can the 67-21SUBC/S400-X9/TR8 be used as a direct replacement for the TLMB3100-GS08?

A: The substitute part is electrically and optically compatible based on shared color, wavelength range, viewing angle, and lens specifications. However, PCB layout modifications may be required due to differences in package dimensions (length: 4.60mm vs. 3.00mm; height: 0.85mm vs. 1.75mm) and package type (1411 vs. 2-SMD, J-Lead).

Q: What are the key differences in electrical performance?

A: The substitute operates at 4.6V forward voltage compared to 3.9V for the original part, and supports test current of 20mA versus 10mA. The substitute delivers 135mcd luminous intensity versus 8mcd for the original. Circuit design must accommodate these electrical parameter variations.

Q: Are both parts RoHS compliant?

A: The TLMB3100-GS08 is confirmed ROHS3 compliant. RoHS compliance status for the 67-21SUBC/S400-X9/TR8 is not specified in the provided data.

Q: What is the wavelength difference between these parts?

A: The original part has a dominant wavelength of 466nm, while the substitute is specified at 470nm. Both fall within the blue LED spectrum and share identical peak wavelength classification for indication applications.

Q: How do the package dimensions affect PCB design?

A: The substitute part measures 4.60mm length × 2.80mm width × 0.85mm height maximum, compared to the original 3.00mm length × 2.80mm width × 1.75mm height maximum. The reduced height provides lower profile assembly, but the increased length requires footprint adjustment on the PCB.