VLMS30K1L2-GS18 Equivalent & Substitute Parts

Part Overview

The VLMS30K1L2-GS18 is a red 630nm LED indication component manufactured by Vishay Semiconductor Opto Division, configured as a 2-SMD J-Lead surface mount device. This part is classified as obsolete, which necessitates identification of active equivalent alternatives for ongoing design and procurement requirements. The component delivers 13mcd luminous intensity at 1.8V forward voltage with a 2mA test current, housed in a compact 2-PLCC package measuring 3.00mm × 2.80mm with a maximum height of 1.85mm.

Substiute Parts

VLMS30K1L2-GS18

Vishay Semiconductor Opto DivisionIn Stock: 891VLMS30K1L2-GS18 Datasheet

Current PartRFQ

VLMS30K1L2-GS08

Vishay Semiconductor Opto DivisionIn Stock: 38255VLMS30K1L2-GS08 Datasheet

Parametric EquivalentRFQ

VLMS30K2L2-GS08

Vishay Semiconductor Opto DivisionIn Stock: 942VLMS30K2L2-GS08 Datasheet

Parametric EquivalentRFQ

VLMS31K1L2-GS08

Vishay Semiconductor Opto DivisionIn Stock: 9222VLMS31K1L2-GS08 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the VLMS30K1L2-GS18 is determined by the following critical parameters:

Primary Compatibility Criteria:

• Package / Case: 2-SMD, J-Lead (2-PLCC)
• Physical dimensions: 3.00mm L × 2.80mm W, maximum height 1.85mm
• Mounting Type: Surface Mount
• Color: Red
• Lens Style: Round with Flat Top
• Lens Size: 2.40mm Dia
• Viewing Angle: 120°
• RoHS Status: ROHS3 Compliant

Electrical Parameter Tolerance:

• Voltage - Forward (Vf): 1.8V to 1.9V range
• Millicandela Rating: 13mcd to 14mcd range
• Wavelength - Dominant: 630nm
• Current - Test: 2mA to 10mA range

The three identified substitutes maintain mechanical and optical compatibility while operating within acceptable electrical parameter variations. All substitutes are active products with established supply chains, addressing the obsolescence status of the main part.

Parameter Comparison

Engineering Selection Recommendations

VLMS30K1L2-GS08 is the primary direct substitute for VLMS30K1L2-GS18. This part maintains identical electrical and optical specifications while transitioning from bulk packaging to Tape & Reel format. The active product status ensures long-term availability and supply chain stability. This substitute is appropriate for designs requiring exact parameter matching with the original obsolete component.

VLMS30K2L2-GS08 provides a secondary substitution option with a marginal increase in luminous intensity (14mcd versus 13mcd). All other parameters remain identical to the main part. This substitute is suitable for applications where slightly enhanced brightness is acceptable or beneficial.

VLMS31K1L2-GS08 represents a functional substitute with modified electrical characteristics. The forward voltage increases to 1.9V and test current increases to 10mA, with a peak wavelength shift to 643nm. This part belongs to the VLM3 series rather than VLM.3. Selection of this substitute requires circuit-level evaluation to confirm compatibility with existing voltage and current specifications. This option is appropriate only when the electrical parameter variations align with design requirements.

All three substitutes maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring regulatory and environmental compatibility with the original component.

Frequently Asked Questions (FAQ)

Q: Can VLMS30K1L2-GS08 be used as a direct replacement for VLMS30K1L2-GS18?

A: Yes. VLMS30K1L2-GS08 is a parametric equivalent with identical electrical, optical, and mechanical specifications. The primary difference is packaging format: the original uses bulk packaging while the substitute uses Tape & Reel format. Both are 2-PLCC surface mount devices with matching dimensions, forward voltage, luminous intensity, and wavelength characteristics.

Q: What is the difference between VLMS30K2L2-GS08 and VLMS30K1L2-GS08?

A: The primary difference is luminous intensity: VLMS30K2L2-GS08 delivers 14mcd compared to 13mcd for VLMS30K1L2-GS08. All other parameters, including forward voltage (1.8V), package dimensions, and wavelength characteristics, are identical. Selection depends on whether the increased brightness is required or acceptable for the application.

Q: Why does VLMS31K1L2-GS08 have different electrical specifications?

A: VLMS31K1L2-GS08 belongs to a different product series (VLM3 versus VLM.3) with intentionally different electrical characteristics. The forward voltage is 1.9V and test current is 10mA, compared to 1.8V and 2mA for the original part. The peak wavelength also shifts to 643nm. This part is a functional substitute only when circuit design accommodates these electrical variations.

Q: Are all substitutes available in Tape & Reel packaging?

A: Yes. All three identified substitutes are supplied in Tape & Reel (TR) packaging format, which is standard for active production components. The original VLMS30K1L2-GS18 was supplied in bulk packaging due to its obsolete status.

Q: Do the substitutes maintain the same physical footprint?

A: Yes. All substitutes maintain identical dimensions: 3.00mm length × 2.80mm width with maximum height of 1.85mm. The 2-PLCC package configuration and J-Lead mounting style are consistent across all parts, ensuring PCB layout compatibility.

Q: What is the significance of the wavelength peak shift in VLMS31K1L2-GS08?

A: VLMS31K1L2-GS08 has a peak wavelength of 643nm compared to 635nm for the other parts. While the dominant wavelength remains 630nm for all parts, this shift indicates a different LED die or phosphor composition. For applications sensitive to spectral characteristics, this difference should be evaluated against specific requirements.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All three substitutes maintain ROHS3 compliance status, matching the regulatory requirement of the original component. Moisture sensitivity level (MSL 2A, 4 Weeks) is also consistent across all parts.