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Vishay Semiconductor Opto Division VLMY33T1U2-GS18
- Part No.:
- VLMY33T1U2-GS18
- Manufacturer:
- Vishay Semiconductor Opto Division
- Category:
- LED Indication - Discrete
- Package:
- 2-SMD, J-Lead
- Datasheet:
-
VLMY33T1U2-GS18.pdf
- Description:
- LED YELLOW 2PLCC SMD
- Quantity:
- Payment:
- Shipping:
Inventory:1,623
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Product details
Overview
VLMY33T1U2-GS18 from Vishay Semiconductors is a yellow surface-mount power LED in PLCC-2 package, built on AlInGaP-on-GaAs technology, delivering 280–425 mcd luminous intensity at 30 mA, with dominant wavelength 583–594 nm and ±60° viewing angle - deployed in dashboard illumination and indicator backlighting.
For engineers reviewing the VLMY33T1U2-GS18 datasheet, VLMY33T1U2-GS18 pinout, VLMY33T1U2-GS18 application, or VLMY33T1U2-GS18 equivalent, key selection criteria include luminous intensity binning (U-group), thermal resistance (400 K/W), AEC-Q101 qualification, and compatibility with reflow/vapor-phase soldering per J-STD-020.
Technical Context
The VLMY33T1U2-GS18 uses AlInGaP-on-GaAs die technology to achieve stable yellow emission with peak wavelength at 590 nm and spectral bandwidth of 18 nm at 50% relative intensity. Its PLCC-2 thermoplastic package integrates a white reflector cavity filled with clear epoxy for optimized light extraction.
Rated for 50 mA DC forward current at ambient temperatures ≤73 °C, it sustains 130 mW power dissipation with junction temperature limited to +125 °C. Thermal resistance junction-to-ambient is 400 K/W when mounted on a PCB pad >16 mm², and ESD withstand voltage reaches 2 kV per JESD22-A114-B.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Luminous intensity | 280–425 mcd at 30 mA - defines brightness bin U for consistent visual output across production reels |
| Dominant wavelength | 583–594 nm - specifies yellow chromaticity compliant with automotive and signage color standards |
| Forward voltage | 1.7–2.5 V at 30 mA - enables low-voltage drive compatibility with 3.3 V and 5 V logic-supplied LED drivers |
| Viewing angle | ±60° - provides wide beam pattern suitable for uniform panel backlighting without secondary optics |
| Thermal resistance | 400 K/W - determines maximum allowable ambient temperature rise under 50 mA continuous operation |
| ESD rating | 2 kV HBM - ensures robustness during automated SMT handling and board assembly |
| AEC-Q101 qualified | Validated for automotive-grade reliability - supports use in instrument clusters and exterior indicators |
Pinout & Package
Package: PLCC-2 SMD package with white thermoplastic body, lead frame substrate, and clear epoxy-filled reflector cavity. Dimensions per drawing 6.541-5067.01-4: 3.5 ±0.2 mm length, 2.8 ±0.15 mm width, 2.2 mm height, 0.9 mm pin pitch, and 1.75 ±0.1 mm pin length. Mounting pad layout requires 2.6 × 1.6 mm solder pads with soldermask-defined areas.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Positive terminal | Connected to current source; polarity must be observed to avoid reverse-bias damage beyond 5 V |
| Cathode (K) | Negative terminal | Connected to ground or current sink; internal cathode bond wire routed to lead frame tab for thermal conduction |
Key Features
| Feature | Design Value |
|---|---|
| AlInGaP-on-GaAs die technology | Delivers high-efficiency yellow emission with minimal wavelength shift over temperature (±1.5 nm from −40 °C to +100 °C) |
| Luminous intensity ratio control | IVmax/IVmin ≤ 1.6 per reel - ensures tight brightness matching for multi-LED arrays without post-assembly binning |
| JEDEC Level 2a preconditioning | Enables safe reflow processing without moisture-induced popcorning; dry-packaged in antistatic aluminum bag with humidity indicator |
| Reflow/vapor-phase/wave solder compatible | Withstands peak reflow temperature up to 260 °C per J-STD-020 - eliminates need for special solder profiles |
| AEC-Q101 qualification | Validated for automotive applications including dashboard illumination and exterior signaling under extended temperature cycling |
Applications
| Traffic Signal Indicators | Automotive Dashboard Illumination |
|---|---|
Use Scenario: Red/amber/yellow status indication in LED-based traffic signal modules operating outdoors under wide ambient temperature swings. IC Role / Device Role / Timing Role: Light-emitting element driven by constant-current LED driver ICs (e.g., ASL3410, TPS92630) with PWM dimming. Use Value: ±60° viewing angle ensures visibility across broad horizontal angles; AEC-Q101 qualification guarantees reliability over 10-year field life. |
Use Scenario: Backlighting of segmented LCD symbols and analog gauge needles in vehicle instrument clusters. IC Role / Device Role / Timing Role: Discrete yellow emitter paired with microcontroller GPIO or dedicated LED driver for adjustable brightness control. Use Value: Tight dominant wavelength tolerance (583–594 nm) maintains consistent yellow hue across units; 400 K/W RthJA allows thermal management on standard FR-4 without heatsinks. |
| Industrial Control Panel Indicators | Consumer Appliance Status Lighting |
Use Scenario: High-visibility status LEDs on PLC I/O modules and HMI panels exposed to factory-floor vibration and dust. IC Role / Device Role / Timing Role: Primary visual feedback device powered via isolated current-regulated supply with surge protection. Use Value: 2 kV ESD rating prevents failure during handling and field maintenance; PLCC-2 package resists mechanical stress better than 0805/1206 alternatives. |
Use Scenario: Symbol illumination on microwave ovens, washing machines, and HVAC controllers requiring long-life, low-power indicators. IC Role / Device Role / Timing Role: Direct-drive LED connected to MCU output pins with series resistor or integrated constant-current driver. Use Value: Luminous intensity binning (U-group) ensures uniform appearance across product batches; RoHS/halogen-free construction meets global compliance requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar yellow SMD LED applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VLMY33T1U2-GS08 | Same die, same optical specs, but supplied in 1500-piece GS08 tape (vs. 8000-piece GS18); identical PLCC-2 footprint and solder profile | Preferred for prototyping and low-volume builds where reel changeover frequency matters less than inventory flexibility | Select GS08 for NPI validation; GS18 for high-volume production to reduce line stops and optimize cost-per-part |
| TLMO1100F1000 | Yellow LED in 0805 package (2.0 × 1.25 mm), lower max current (30 mA), higher RthJA (~600 K/W), no AEC-Q101 qualification | Suitable only for non-automotive consumer lighting; lacks thermal headroom and automotive reliability validation | Use only if board space is constrained and automotive qualification is not required; not drop-in due to different package and thermal behavior |
Compared with VLMY33T1U2-GS18, the GS08 variant offers identical performance in smaller reels for development, while TLMO1100F1000 trades size for reduced thermal capability and no automotive qualification - making VLMY33T1U2-GS18 the sole choice for AEC-Q101–mandated applications requiring both brightness and robustness.
Availability
VLMY33T1U2-GS18 is available at Aetrix Electronics and suitable for automotive dashboard illumination, industrial control panel indicators, and consumer appliance status lighting requiring stable component supply, consistent luminous intensity binning, and AEC-Q101–compliant manufacturing traceability.
Supply support for VLMY33T1U2-GS18 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 Intertechnology is a global semiconductor manufacturer specializing in discrete components, sensors, and optoelectronics, with emphasis on reliability, precision, and automotive-grade qualification.
The VLM.33.. series was developed to deliver high-brightness, thermally robust SMD LEDs for automotive and industrial signaling - combining AlInGaP efficiency with PLCC-2 mechanical stability and JEDEC-compliant manufacturability.
FAQ
What is the maximum continuous forward current for VLMY33T1U2-GS18?
The VLMY33T1U2-GS18 supports 50 mA DC forward current when ambient temperature remains ≤73 °C. Exceeding this limit without thermal derating risks junction temperature exceeding +125 °C, accelerating lumen depreciation and shortening lifetime. Derating curves in Figure 1 of the datasheet show permissible current reduction above 73 °C ambient.
Is VLMY33T1U2-GS18 compatible with lead-free reflow soldering processes?
Yes, VLMY33T1U2-GS18 is fully compatible with lead-free reflow soldering per J-STD-020, supporting peak package body temperatures up to 260 °C for ≤100 s. The recommended profile (Figure 26) includes ramp rates ≤3 °C/s, soak at 150–200 °C for 60–120 s, and time above liquidus (217 °C) of 30–60 s - all validated for this PLCC-2 construction.
Does VLMY33T1U2-GS18 require baking before reflow if the moisture barrier bag is opened?
Yes - if the aluminum dry bag is opened and the reel is stored at >30 °C and >60 % RH, VLMY33T1U2-GS18 must be baked before reflow. Per JESD22-A112 Level 2a, bake for 96 h at 60 °C ±5 °C and <5 % RH (for full reel), or 192 h at 40 °C ±5 °C and <5 % RH. Do not bake at 100 °C - it is unsuitable for reels.
What does the "U2" suffix in VLMY33T1U2-GS18 indicate?
The "U2" suffix denotes luminous intensity bin U (280–425 mcd at 30 mA) and dominant wavelength bin 2 (583–586 nm) within the yellow color group. Each reel ships with only one intensity/wavelength bin - no mixing - ensuring consistent optical performance across assemblies without post-manufacturing sorting.
Can VLMY33T1U2-GS18 be used in reverse-bias configurations?
No - although the datasheet notes reverse-direction driving is "suitable for short-term application," VLMY33T1U2-GS18 is not rated for sustained reverse bias. Absolute maximum reverse voltage is only 5 V; exceeding this, even briefly, risks permanent junction degradation. Always observe polarity during PCB layout and driver design.
VLMY33T1U2-GS18 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Semiconductor Opto Division
- Series:
- VLM.33
- Package/Case:
- 2-SMD, J-Lead
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Color:
- Yellow
- Configuration:
- Standard
- Lens Color:
- -
- Lens Transparency:
- -
- Millicandela Rating:
- 495mcd
- Lens Style:
- Round with Flat Top
- Lens Size:
- 2.40mm Dia
- Voltage - Forward (Vf) (Typ):
- 2V
- Current - Test:
- 30mA
- Viewing Angle:
- 120°
- Mounting Type:
- Surface Mount
- Wavelength - Dominant:
- 588nm
- Wavelength - Peak:
- 590nm
- Features:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 2-PLCC
- Size / Dimension:
- 3.00mm L x 2.80mm W
VLMY33T1U2-GS18 FAQ
1.How can I place an order for VLMY33T1U2-GS18 through Aetrix?
Please submit a Request for Quotation (RFQ) for VLMY33T1U2-GS18 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 VLMY33T1U2-GS18 reliable?
The price and inventory of VLMY33T1U2-GS18 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VLMY33T1U2-GS18 is usually 5 days.
3.What payment methods are accepted for VLMY33T1U2-GS18?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VLMY33T1U2-GS18 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VLMY33T1U2-GS18?
VLMY33T1U2-GS18 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VLMY33T1U2-GS18 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 VLMY33T1U2-GS18?
For technical support, including VLMY33T1U2-GS18 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VLMY33T1U2-GS18 requirements.
6.How does Aetrix verify that VLMY33T1U2-GS18 is sourced from the original manufacturer or authorized distributors?
All VLMY33T1U2-GS18 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 VLMY33T1U2-GS18 meets industry standards.
7.What is the process for return or replacement of VLMY33T1U2-GS18?
All VLMY33T1U2-GS18 units undergo pre-shipment inspection (PSI). If there is an issue with VLMY33T1U2-GS18, 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 VLMY33T1U2-GS18 part is unused and in its original packaging.
Return procedure for VLMY33T1U2-GS18:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VLMY33T1U2-GS18 Tags
-
LTST-C281KRKT
Lite-On Inc.
-
150060GS75000
Würth Elektronik
-
150060VS75000
Würth Elektronik
-
150060AS75000
Würth Elektronik
-
150060YS75000
Würth Elektronik
-
150060SS75000
Würth Elektronik
-
150060BS75000
Würth Elektronik
-
151031VS06000
Würth Elektronik
-
151033RS03000
Würth Elektronik
-
150080BS75000
Würth Elektronik
-
150080GS75000
Würth Elektronik
-
150141GS73100
Würth Elektronik
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