My Inquiry
My Account
Vishay Semiconductor Opto Division VLMO33T1U2-GS18
- Part No.:
- VLMO33T1U2-GS18
- Manufacturer:
- Vishay Semiconductor Opto Division
- Category:
- LED Indication - Discrete
- Package:
- 2-SMD, J-Lead
- Datasheet:
-
VLMO33T1U2-GS18.pdf
- Description:
- LED ORANGE 2PLCC SMD
- Quantity:
- Payment:
- Shipping:
Inventory:2,122
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
VLMO33T1U2-GS18 from Vishay Semiconductors is a yellow power SMD LED in PLCC-2 package, utilizing AlInGaP-on-GaAs technology, rated for 50 mA DC forward current, with dominant wavelength 583–594 nm and luminous intensity 280–710 mcd at 30 mA. It serves in high-reliability indicator and backlighting applications including automotive dashboards and traffic signage.
For engineers reviewing the VLMO33T1U2-GS18 datasheet, VLMO33T1U2-GS18 pinout, VLMO33T1U2-GS18 application, or VLMO33T1U2-GS18 equivalent, key selection criteria include its ±60° viewing angle, 400 K/W thermal resistance, AEC-Q101 qualification, JESD22-A114-B ESD rating (2 kV), and compatibility with reflow/vapor-phase/wave soldering per J-STD-020 and CECC 00802.
Technical Context
This yellow LED employs AlInGaP-on-GaAs chip technology to deliver stable chromaticity and high luminous intensity across industrial temperature range (−40 °C to +100 °C). Its PLCC-2 package features white thermoplastic body with clear epoxy-filled reflector, enabling efficient light extraction and consistent angular distribution.
Rated for 50 mA continuous drive at ambient ≤73 °C, it maintains junction temperature ≤125 °C with RthJA = 400 K/W on PCBs with pad area >16 mm². Preconditioned to JEDEC level 2a and qualified to AEC-Q101, it supports automotive-grade reliability without derating under standard mounting conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Color | Yellow - defined by dominant wavelength 583–594 nm, suitable for high-visibility status indication where amber/yellow coding is required. |
| Luminous intensity | 280–710 mcd at 30 mA - enables flexible brightness binning (Group U) for consistent visual output across production reels. |
| Viewing angle | ±60° - provides wide, uniform illumination ideal for panel indicators and backlighting of symbols/switches without secondary optics. |
| Forward voltage | 1.7–2.5 V at 30 mA - low VF simplifies drive circuit design and reduces power loss in multi-LED arrays. |
| Thermal resistance | 400 K/W - requires ≥16 mm² copper pad for safe 50 mA operation; limits max ambient to 73 °C at full current. |
| ESD withstand | 2 kV HBM per JESD22-A114-B - ensures robustness during automated handling and board assembly without additional protection. |
| AEC-Q101 qualified | Validated for automotive component stress testing - supports use in dashboard, signaling, and exterior lighting modules requiring automotive qualification. |
Pinout & Package
The VLMO33T1U2-GS18 uses a surface-mount PLCC-2 package with 2-pin configuration: anode and cathode terminals embedded in white thermoplastic body, featuring integrated reflector cavity filled with clear epoxy. Dimensions conform to drawing No. 6.541-5067.01-4 (Issue 10, 02.05.2023), with 3.5 ± 0.2 mm length, 2.8 ± 0.15 mm width, and 2.2 mm height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Positive terminal | Connected to current source; polarity must be observed to avoid reverse-bias damage (max VR = 5 V). |
| Cathode (K) | Negative terminal | Connected to ground or current sink; marking dot on package identifies cathode side per standard PLCC-2 orientation. |
Key Features
| Feature | Design Value |
|---|---|
| AlInGaP-on-GaAs chip technology | Delivers high-efficiency yellow emission with narrow spectral bandwidth (Δλ ≤18 nm) and stable chromaticity over temperature and current. |
| AEC-Q101 qualification | Confirms suitability for automotive electronics including instrument clusters and external signaling where reliability and lifetime are critical. |
| JEDEC level 2a preconditioning | Ensures moisture sensitivity is controlled; dry-packaged reel allows up to 672 h storage at ≤30 °C / 60 % RH before baking is required. |
| Reflow/vapor-phase/wave solder compatible | Supports standard Pb-free reflow profile (peak 260 °C, ≤120 s) and double-wave soldering without degradation or delamination. |
| Luminous intensity ratio ≤1.6 | Guarantees tight brightness consistency (IVmax/IVmin) within each 8000-piece GS18 reel, reducing need for post-assembly binning. |
Applications
| Traffic Signal Modules | Automotive Dashboard Indicators |
|---|---|
Use Scenario: Red/amber/yellow signal heads in pedestrian crossing and vehicle traffic lights requiring long-life, high-intensity visible output. IC Role / Device Role / Timing Role: Light-emitting element providing coded status indication; no timing or control function - driven directly by constant-current source. Use Value: ±60° viewing angle ensures visibility across wide intersection angles; AEC-Q101 and 100 °C operating range support outdoor deployment without thermal derating. |
Use Scenario: Illumination of speedometer needles, warning icons, and mode-select buttons in automotive instrument clusters. IC Role / Device Role / Timing Role: Visual status emitter; electrically isolated from microcontroller via driver IC or resistor-limited GPIO. Use Value: Yellow chromaticity (583–594 nm) meets automotive color specification for caution indicators; 280–710 mcd range allows dimming compatibility with ambient light sensors. |
| Industrial Control Panel Backlighting | Consumer Audio/Video Symbol Illumination |
Use Scenario: Edge-lit or direct-lit backlighting for membrane switches, status labels, and function keys on factory HMIs and PLC interfaces. IC Role / Device Role / Timing Role: Discrete light source mounted adjacent to or behind translucent legend; driven continuously or PWM-modulated. Use Value: 400 K/W thermal resistance enables dense LED placement on FR4 without thermal runaway; PLCC-2 footprint supports automated placement and rework. |
Use Scenario: Illuminated power buttons, input selectors, and volume indicators on AV receivers, soundbars, and media players. IC Role / Device Role / Timing Role: Low-power visual feedback device; typically operated at 10–30 mA to balance brightness and longevity. Use Value: Luminous intensity ratio ≤1.6 ensures uniform appearance across product batches; GS18 tape format (8000 pcs/reel) supports high-volume SMT line efficiency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar yellow LED applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VLMY33T1U2-GS08 | Same die, same optical specs, but supplied in 1500-piece GS08 tape (5 reels/box); identical PLCC-2 package and electrical characteristics. | Lower per-reel quantity increases changeover frequency in high-volume SMT lines; less optimal for JIT manufacturing. | Select GS08 only when smaller batch validation or prototyping volumes are needed; GS18 preferred for production. |
| TLMO33T1U2 | Competing yellow PLCC-2 LED (Lumileds) with 585–595 nm λd, 300–750 mcd, RthJA = 420 K/W, and AEC-Q101 qualification - slightly wider wavelength tolerance and higher thermal resistance. | Marginally lower thermal performance may require larger pads or reduced drive current in thermally constrained layouts. | Use TLMO33T1U2 only if dual-sourcing is mandated; VLMO33T1U2-GS18 offers tighter λd binning and lower RthJA. |
Compared with VLMY33T1U2-GS08 and TLMO33T1U2, the VLMO33T1U2-GS18 delivers identical photometric performance with optimized logistics (8000 pcs/reel), superior thermal resistance (400 K/W vs. 420 K/W), and tighter dominant wavelength control (583–594 nm), making it the preferred choice for automotive and industrial production programs requiring consistency and supply chain efficiency.
Availability
VLMO33T1U2-GS18 is available at Aetrix Electronics and suitable for traffic signal modules, automotive dashboard indicators, and industrial control panel backlighting requiring stable component supply, AEC-Q101 compliance, and high-brightness yellow emission.
Supply support for VLMO33T1U2-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 is part of Vishay's power SMD LED product line, engineered for high-intensity visible-light applications demanding long life, stable chromaticity, and robust thermal and ESD performance in harsh environments.
FAQ
What is the maximum continuous forward current rating for VLMO33T1U2-GS18?
The VLMO33T1U2-GS18 is rated for 50 mA DC forward current when ambient temperature is ≤73 °C and mounted on a PCB with pad area >16 mm². Exceeding this current or ambient condition risks exceeding the 125 °C maximum junction temperature, accelerating lumen depreciation and shortening lifetime. Always verify thermal layout using the 400 K/W RthJA value in system-level thermal modeling.
Is VLMO33T1U2-GS18 suitable for automotive applications?
Yes, VLMO33T1U2-GS18 is AEC-Q101 qualified and preconditioned to JEDEC level 2a, confirming its suitability for automotive interior and exterior lighting applications including dashboard indicators, warning lamps, and signaling modules. Its −40 °C to +100 °C operating range, 2 kV ESD rating, and reflow-compatible packaging meet core automotive manufacturing and reliability requirements.
What does the "GS18" suffix indicate in VLMO33T1U2-GS18?
The "GS18" suffix denotes Vishay's 8 mm antistatic blister tape packaging option containing 8000 pieces per reel - the preferred format for high-volume SMT production. It replaces the older GS08 (1500 pcs/reel) format and aligns with industry-standard EIA-481-D tape dimensions, enabling seamless integration into automated pick-and-place equipment without reel changeovers.
How is luminous intensity binned for VLMO33T1U2-GS18?
VLMO33T1U2-GS18 is binned into Group U (450–710 mcd at 30 mA) per the VLM.33.. series luminous intensity classification table. Each GS18 reel contains LEDs from only one intensity group and one wavelength group - no mixing occurs. The IVmax/IVmin ratio is guaranteed ≤1.6, ensuring consistent brightness across the full 8000-piece reel without post-assembly sorting.
Can VLMO33T1U2-GS18 be soldered using lead-free reflow processes?
Yes, VLMO33T1U2-GS18 is fully compatible with Pb-free reflow soldering per J-STD-020, supporting peak temperatures up to 260 °C for ≤120 seconds. Its package construction - white thermoplastic body with clear epoxy-filled reflector - has been validated for thermal shock resistance across the full JEDEC-defined reflow profile, including ramp rates up to 3 °C/s and cooling rates up to 6 °C/s.
VLMO33T1U2-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:
- Obsolete
- Color:
- Orange
- 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:
- 605nm
- Wavelength - Peak:
- 611nm
- Features:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 2-PLCC
- Size / Dimension:
- 3.00mm L x 2.80mm W
VLMO33T1U2-GS18 FAQ
1.How can I place an order for VLMO33T1U2-GS18 through Aetrix?
Please submit a Request for Quotation (RFQ) for VLMO33T1U2-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 VLMO33T1U2-GS18 reliable?
The price and inventory of VLMO33T1U2-GS18 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VLMO33T1U2-GS18 is usually 5 days.
3.What payment methods are accepted for VLMO33T1U2-GS18?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VLMO33T1U2-GS18 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VLMO33T1U2-GS18?
VLMO33T1U2-GS18 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VLMO33T1U2-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 VLMO33T1U2-GS18?
For technical support, including VLMO33T1U2-GS18 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VLMO33T1U2-GS18 requirements.
6.How does Aetrix verify that VLMO33T1U2-GS18 is sourced from the original manufacturer or authorized distributors?
All VLMO33T1U2-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 VLMO33T1U2-GS18 meets industry standards.
7.What is the process for return or replacement of VLMO33T1U2-GS18?
All VLMO33T1U2-GS18 units undergo pre-shipment inspection (PSI). If there is an issue with VLMO33T1U2-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 VLMO33T1U2-GS18 part is unused and in its original packaging.
Return procedure for VLMO33T1U2-GS18:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VLMO33T1U2-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
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
