VLMT3100-GS18 Equivalent & Substitute Parts

Part Overview

The VLMT3100-GS18 is a red LED indication component manufactured by Vishay Semiconductor Opto Division, featuring a 619nm dominant wavelength and 2.2V forward voltage in a 2-SMD, J-Lead surface mount package. This part is classified as obsolete, making identification of active equivalent substitutes essential for ongoing production and design continuity. The VLMT3100 series provides standardized red LED functionality with clear lens optics suitable for indicator applications requiring discrete component integration.

Substiute Parts

VLMT3100-GS18
Vishay Semiconductor Opto DivisionIn Stock: 922VLMT3100-GS18 Datasheet
VLMT3100-GS18
Current Part
VLMT3100-GS08
Vishay Semiconductor Opto DivisionIn Stock: 7530VLMT3100-GS08 Datasheet
VLMT3100-GS08
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Vishay Semiconductor Opto Division
Series VLM.3
Color Red
Wavelength - Dominant 619nm
Wavelength - Peak 635nm
Voltage - Forward (Vf) Typical 2.2V
Current - Test 2mA
Millicandela Rating 1.1mcd
Viewing Angle 120°
Lens Style Round with Flat Top
Lens Size 2.40mm Dia
Package / Case 2-SMD, J-Lead
Size / Dimension 3.00mm L x 2.80mm W
Height (Max) 1.85mm
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2A (4 Weeks)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the VLMT3100-GS18 is determined by strict equivalence across the following critical parameters:

  • Color specification: Red
  • Wavelength characteristics: 619nm dominant, 635nm peak
  • Electrical performance: 2.2V forward voltage, 2mA test current
  • Optical output: 1.1mcd millicandela rating
  • Viewing angle: 120°
  • Physical form factor: 2-SMD, J-Lead package with 2.40mm diameter round flat-top lens
  • Mechanical dimensions: 3.00mm L x 2.80mm W, 1.85mm maximum height
  • Environmental compliance: ROHS3 Compliant, REACH Unaffected

The VLMT3100-GS08 qualifies as a parametric equivalent substitute, maintaining identical electrical, optical, and mechanical specifications while differing only in packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete).

Parameter Comparison

Parameter VLMT3100-GS18 VLMT3100-GS08 Match Status
Manufacturer Vishay Semiconductor Opto Division Vishay Semiconductor Opto Division Identical
Series VLM.3 VLM.3 Identical
Color Red Red Identical
Wavelength - Dominant 619nm 619nm Identical
Wavelength - Peak 635nm 635nm Identical
Voltage - Forward (Vf) Typical 2.2V 2.2V Identical
Current - Test 2mA 2mA Identical
Millicandela Rating 1.1mcd 1.1mcd Identical
Viewing Angle 120° 120° Identical
Lens Style Round with Flat Top Round with Flat Top Identical
Lens Size 2.40mm Dia 2.40mm Dia Identical
Package / Case 2-SMD, J-Lead 2-SMD, J-Lead Identical
Size / Dimension 3.00mm L x 2.80mm W 3.00mm L x 2.80mm W Identical
Height (Max) 1.85mm 1.85mm Identical
Mounting Type Surface Mount Surface Mount Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level (MSL) 2A (4 Weeks) 2A (4 Weeks) Identical
REACH Status REACH Unaffected REACH Unaffected Identical
Product Status Obsolete Active Different
Packaging Format Bulk Tape & Reel (TR) Different

Engineering Selection Recommendations

The VLMT3100-GS08 is the direct parametric equivalent for the obsolete VLMT3100-GS18. Both components share identical electrical specifications, optical characteristics, and mechanical form factors. The primary distinction is product status: VLMT3100-GS08 maintains active manufacturing status with Vishay Semiconductor Opto Division, ensuring continued availability and supply chain reliability.

Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current manufacturing environments. The VLMT3100-GS08 is supplied in Tape & Reel format, which is standard for high-volume surface mount assembly operations. Organizations transitioning from VLMT3100-GS18 inventory should adopt VLMT3100-GS08 as the production standard to ensure long-term component availability and manufacturing continuity.

Frequently Asked Questions (FAQ)

Q: Can VLMT3100-GS08 be used as a direct replacement for VLMT3100-GS18 in existing designs?

A: Yes. The VLMT3100-GS08 is a parametric equivalent with identical electrical performance (2.2V forward voltage, 2mA test current), optical output (1.1mcd, 619nm dominant wavelength), and mechanical dimensions (3.00mm L x 2.80mm W, 1.85mm height). Both use the same 2-SMD, J-Lead package with 2.40mm diameter round flat-top lens. No circuit modifications are required.

Q: What is the difference between VLMT3100-GS18 and VLMT3100-GS08?

A: The components are electrically and optically identical. The primary differences are packaging format (VLMT3100-GS18 is bulk; VLMT3100-GS08 is Tape & Reel) and product status (VLMT3100-GS18 is obsolete; VLMT3100-GS08 is active). The Tape & Reel format of VLMT3100-GS08 is optimized for automated surface mount assembly.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both VLMT3100-GS18 and VLMT3100-GS08 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component manufacturing.

Q: What is the moisture sensitivity level for these components?

A: Both parts carry a Moisture Sensitivity Level (MSL) rating of 2A (4 Weeks), indicating standard moisture handling requirements during storage and assembly operations.

Q: Why is VLMT3100-GS18 listed as obsolete?

A: VLMT3100-GS18 has been discontinued by Vishay Semiconductor Opto Division. The VLMT3100-GS08 remains in active production and serves as the current manufacturing equivalent, ensuring ongoing supply availability for new designs and production requirements.

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