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Vishay Semiconductor Opto Division VLMK31R2S2-GS08
- Part No.:
- VLMK31R2S2-GS08
- Manufacturer:
- Vishay Semiconductor Opto Division
- Category:
- LED Indication - Discrete
- Package:
- 2-SMD, J-Lead
- Datasheet:
-
VLMK31R2S2-GS08.pdf
- Description:
- LED RED CLEAR 2PLCC SMD
- Quantity:
- Payment:
- Shipping:
Inventory:2,038
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Product details
Overview
VLMK31R2S2-GS08 from Vishay Semiconductors is a red AlInGaP-on-GaAs surface-mount LED in PLCC-2 package, delivering 140–280 mcd luminous intensity at 20 mA, with dominant wavelength 630 nm, forward voltage 1.9–2.6 V, and ±60° viewing angle - optimized for automotive dashboard backlighting and indicator applications.
For engineers reviewing the VLMK31R2S2-GS08 datasheet, VLMK31R2S2-GS08 pinout, VLMK31R2S2-GS08 application, or VLMK31R2S2-GS08 equivalent, this page provides verified optical/electrical specs, AEC-Q101 qualification status, JEDEC level 2a preconditioning, ESD rating (2 kV), and tape-and-reel packaging details (GS08 = 1500 pcs/reel).
Technical Context
The VLMK31R2S2-GS08 is a standard-brightness red SMD LED built on AlInGaP-on-GaAs technology, featuring non-diffused lens for efficient light coupling to light pipes and backlighting systems. Its PLCC-2 thermoplastic package integrates a white reflector and clear epoxy encapsulant, enabling high thermal resistance management (RthJA = 400 K/W) and operation from −40 °C to +100 °C ambient.
It supports IR reflow, vapor-phase, and wave soldering per CECC 00802 and J-STD-020, with absolute maximum ratings of 30 mA DC forward current, 5 V reverse voltage, and 80 mW power dissipation. Luminous intensity binning ensures IVmax/IVmin ≤ 1.6 within each reel, and JEDEC level 2a preconditioning guarantees robustness for automated assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Luminous intensity | 140–280 mcd @ 20 mA - defines brightness range for consistent visual indication across production reels |
| Dominant wavelength | 630 nm - precise red chromaticity suitable for automotive signaling and human-factor-compliant indicators |
| Forward voltage | 1.9–2.6 V @ 20 mA - enables low-power drive with standard 3.3 V or 5 V logic-compatible current-limiting resistors |
| Viewing angle | ±60° - wide beam pattern ideal for uniform illumination of symbols, switches, and LCD bezels |
| Junction temperature | 125 °C max - supports reliable operation in under-hood or enclosed industrial environments |
| ESD withstand | 2 kV HBM - meets IEC 61000-4-2 Level 2 for handling safety in automated SMT lines |
| AEC-Q101 qualified | Yes - validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock |
Pinout & Package
PLCC-2 package: 2-pin surface-mount lead frame embedded in white thermoplastic housing with non-diffused lens and internal white reflector filled with clear epoxy. Dimensions: 3.5 mm × 2.8 mm × 1.75 mm (L × W × H), with recommended footprint pad layout per drawing 6.541-5067.01-4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Positive terminal | Connected to current source; polarity must be observed to avoid reverse breakdown (VR = 5 V max) |
| Cathode (K) | Negative terminal | Connected to ground or current sink; marked by chamfered corner on package outline per PLCC-2 standard |
Key Features
| Feature | Design Value |
|---|---|
| Non-diffused lens | Enables direct coupling to light guides and backlights without scattering loss - critical for thin-profile display integration |
| Luminous intensity binning | IVmax/IVmin ≤ 1.6 per reel - eliminates manual brightness sorting during manufacturing |
| AEC-Q101 qualification | Validated for automotive use including temperature cycling (−40 °C to +125 °C), high-temperature operating life, and ESD robustness |
| JEDEC level 2a preconditioning | Ensures moisture sensitivity compliance for Pb-free reflow up to 260 °C peak - no baking required if mounted within 672 h of bag opening |
| Low profile PLCC-2 | Height ≤ 1.75 mm - fits space-constrained PCB layouts in instrument clusters and telecom front panels |
Applications
| Automotive Dashboard Backlighting | Telecom Indicator Lighting |
|---|---|
Use Scenario: Illuminating segmented symbols and analog gauge markings in vehicle instrument clusters. IC Role / Device Role / Timing Role: Discrete red light source driven by constant-current LED driver ICs or microcontroller GPIO with series resistor. Use Value: 630 nm dominant wavelength delivers high photopic visibility under daylight and night conditions; ±60° viewing angle ensures even symbol coverage without hotspots. | Use Scenario: Status indication on telephone handsets, fax machines, and VoIP endpoint devices. IC Role / Device Role / Timing Role: Visual feedback element controlled via discrete transistor switch or low-side driver. Use Value: Low 20 mA operating current minimizes power draw in battery-backed or energy-conscious telecom designs; AEC-Q101 qualification adds long-term reliability margin beyond commercial grade. |
| Audio/Video Equipment Indicators | Office Equipment Symbol Backlighting |
Use Scenario: Power-on, mute, and input-select indicators on AV receivers, amplifiers, and streaming devices. IC Role / Device Role / Timing Role: Direct-drive LED from MCU I/O pins with current-limiting resistor or integrated LED driver. Use Value: 140–280 mcd output provides sufficient brightness for dimly lit home theater environments while remaining eye-comfortable at close viewing distances. | Use Scenario: Backlighting function keys, status LEDs, and control panel symbols on printers, scanners, and multifunction peripherals. IC Role / Device Role / Timing Role: Passive indicator component powered by system-level 3.3 V or 5 V rails. Use Value: PLCC-2 package allows automated placement and reflow compatibility with office equipment PCB assembly lines; non-diffused lens improves contrast against printed overlays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar red SMD LED applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VLMK31R1S2-GS08 | Luminous intensity: 112–280 mcd (lower min, same max); same λd, VF, package, and qualifications | Suitable where lower minimum brightness is acceptable, e.g., non-critical status indicators | Select VLMK31R1S2-GS08 when cost-sensitive designs can tolerate reduced lower-bound output without compromising upper-end performance. |
| OSRAM LST676-R2S2 | Identical optical/electrical specs and PLCC-2 footprint per Vishay's official cross-reference table; manufactured by OSRAM under co-sourced agreement | No functional or mechanical differences - drop-in replacement with identical thermal and soldering behavior | Choose OSRAM LST676-R2S2 only when dual-sourcing is required for supply chain resilience; identical performance and qualification data apply. |
Compared with VLMK31R2S2-GS08, VLMK31R1S2-GS08 offers lower minimum luminous intensity but identical maximum output and qualification, while OSRAM LST676-R2S2 is a fully interchangeable co-sourced part with zero design impact.
Availability
VLMK31R2S2-GS08 is available at Aetrix Electronics and suitable for automotive dashboard backlighting, telecom indicator lighting, and office equipment symbol backlighting requiring stable component supply, AEC-Q101 compliance, and JEDEC level 2a moisture sensitivity assurance.
Supply support for VLMK31R2S2-GS08 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay Semiconductors is a global manufacturer of discrete semiconductors and passive components, specializing in high-reliability optoelectronics, power MOSFETs, diodes, and resistive sensors.
The VLMK31.. series belongs to Vishay's standard SMD LED product line, engineered for high-brightness red indication and backlighting in automotive, industrial, and consumer applications where AEC-Q101 qualification and tight luminous intensity binning are essential.
FAQ
What is the luminous intensity range of the VLMK31R2S2-GS08 at 20 mA?
The VLMK31R2S2-GS08 delivers a luminous intensity range of 140–280 mcd at 20 mA forward current, measured with a 25 ms pulse and ±11 % accuracy. This binning ensures consistent brightness across reels, with IVmax/IVmin ≤ 1.6 per packaging unit - critical for uniform appearance in multi-LED arrays. The VLMK31R2S2-GS08 is categorized in the "R2" and "S2" intensity groups per Vishay's classification table.
Is the VLMK31R2S2-GS08 qualified for automotive applications?
Yes, the VLMK31R2S2-GS08 is AEC-Q101 qualified, having passed stress tests including temperature cycling, high-temperature operating life, and ESD robustness per automotive reliability standards. It operates from −40 °C to +100 °C ambient and supports junction temperatures up to 125 °C - making it suitable for dashboard backlighting and switch illumination in passenger vehicles. The VLMK31R2S2-GS08 meets these requirements without derating under typical automotive thermal profiles.
What is the package type and mounting compatibility of the VLMK31R2S2-GS08?
The VLMK31R2S2-GS08 uses a PLCC-2 surface-mount package with 3.5 mm × 2.8 mm footprint and 1.75 mm height, compliant with EIA and ICE standards. It is compatible with automatic placement equipment and supports IR reflow, vapor-phase, and wave soldering per J-STD-020 and CECC 00802. The GS08 tape option contains 1500 units per reel, and the recommended pad layout is documented in Vishay drawing 6.541-5067.01-4. The VLMK31R2S2-GS08 requires no special stencil or reflow profile adjustments beyond standard Pb-free guidelines.
Does the VLMK31R2S2-GS08 have ESD protection, and what is its rating?
The VLMK31R2S2-GS08 has an ESD-withstand voltage of up to 2 kV according to JESD22-A114-B (HBM). This rating is verified during qualification and ensures robust handling during SMT assembly and post-soldering handling. Electrostatic sensitive device (ESD) warning labels are applied to packaging, and dry-bag storage with JESD22-A112 level 2a labeling is provided to maintain integrity. The VLMK31R2S2-GS08 should be handled using standard ESD protocols - especially after opening the antistatic shielding bag - to preserve this 2 kV rating throughout manufacturing.
What is the dominant and peak wavelength of the VLMK31R2S2-GS08?
The VLMK31R2S2-GS08 has a dominant wavelength of 630 nm and a peak wavelength of 643 nm, both measured at 20 mA forward current. The 630 nm value determines the perceived red color under photopic vision and aligns with automotive and industrial indicator standards for high visibility and contrast. The 643 nm peak reflects the spectral emission maximum of the AlInGaP-on-GaAs die. These wavelengths are stable across operating temperature and current - confirmed in Vishay's typical characteristics curves (Fig. 4). The VLMK31R2S2-GS08 maintains this chromaticity without shift in standard applications.
VLMK31R2S2-GS08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Semiconductor Opto Division
- Series:
- VLM.3
- Package/Case:
- 2-SMD, J-Lead
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Color:
- Red
- Configuration:
- Standard
- Lens Color:
- -
- Lens Transparency:
- Clear
- Millicandela Rating:
- 210mcd
- Lens Style:
- Round with Flat Top
- Lens Size:
- 2.40mm Dia
- Voltage - Forward (Vf) (Typ):
- 1.9V
- Current - Test:
- 20mA
- Viewing Angle:
- 120°
- Mounting Type:
- Surface Mount
- Wavelength - Dominant:
- 630nm
- Wavelength - Peak:
- 643nm
- Features:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 2-PLCC
- Size / Dimension:
- 3.00mm L x 2.80mm W
VLMK31R2S2-GS08 FAQ
1.How can I place an order for VLMK31R2S2-GS08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VLMK31R2S2-GS08 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for VLMK31R2S2-GS08 reliable?
The price and inventory of VLMK31R2S2-GS08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VLMK31R2S2-GS08 is usually 5 days.
3.What payment methods are accepted for VLMK31R2S2-GS08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VLMK31R2S2-GS08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VLMK31R2S2-GS08?
VLMK31R2S2-GS08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VLMK31R2S2-GS08 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for VLMK31R2S2-GS08?
For technical support, including VLMK31R2S2-GS08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VLMK31R2S2-GS08 requirements.
6.How does Aetrix verify that VLMK31R2S2-GS08 is sourced from the original manufacturer or authorized distributors?
All VLMK31R2S2-GS08 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that VLMK31R2S2-GS08 meets industry standards.
7.What is the process for return or replacement of VLMK31R2S2-GS08?
All VLMK31R2S2-GS08 units undergo pre-shipment inspection (PSI). If there is an issue with VLMK31R2S2-GS08, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The VLMK31R2S2-GS08 part is unused and in its original packaging.
Return procedure for VLMK31R2S2-GS08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VLMK31R2S2-GS08 Tags
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LTST-C281KRKT
Lite-On Inc.
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150060GS75000
Würth Elektronik
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150060VS75000
Würth Elektronik
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150060AS75000
Würth Elektronik
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150060YS75000
Würth Elektronik
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150060SS75000
Würth Elektronik
-
150060BS75000
Würth Elektronik
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151031VS06000
Würth Elektronik
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151033RS03000
Würth Elektronik
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150080BS75000
Würth Elektronik
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150080GS75000
Würth Elektronik
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150141GS73100
Würth Elektronik
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