ams OSRAM GW QTLTS1.EM DURIS® E 2835 High-Efficacy 6V White LED
* Manufacturer: ams OSRAM (DURIS® E 2835 Series)
* Part Number: GW QTLTS1.EM
* Voltage Class: 6V High-Voltage Architecture (2 dies in series)
* Package Size: Standard 2835 Footprint (2.8 mm x 3.5 mm)
* Efficacy Rank: Top-tier lm/W performance at 65mA.
* Color Control: 3-step MacAdam ellipse binning standard.
* Reliability: Integrated ESD protection and superior lead-frame design.
* Supply Status: Bulk Tape & Reel in stock; Full batch traceability for OEM/EMS.
Description
Introduction
The ams OSRAM DURIS® E 2835 (GW QTLTS1.EM) represents a strategic mid-power solution for luminaire manufacturers who require a balance of high radiant power and optimized system-level efficiency. Engineered with a 6V architecture, this component allows for more efficient circuit designs with lower drive currents. This reduces resistive heat losses across the PCB and facilitates the use of high-efficiency driver topologies, effectively lowering the overall Bill of Materials (BOM).
For LED module manufacturers and fixture designers, the GW QTLTS1.EM offers a low-risk design path in the industry-standard 2835 footprint. Built on a robust lead-frame platform, this LED ensures that chromaticity stability and lumen maintenance are preserved throughout the product's rated industrial lifespan, making it the preferred choice for office troffers and linear industrial fixtures.
Key Product Features
- Optimized 6V Circuit Efficiency: By utilizing a two-die configuration, the GW QTLTS1.EM allows engineers to achieve target wattage with 50% less current compared to standard 3V LEDs. This enables the use of more cost-effective LED drivers and reduces the heat load on high-density PCBs.
- Premium Luminous Efficacy: Optimized for peak efficiency at a nominal 65mA drive current, allowing fixture manufacturers to meet strict Energy Star® or DLC® Premium energy labels with a simplified thermal design.
- Exceptional Color Consistency: Utilizing ams OSRAM's precision binning technology, this SKU ensures uniformity within 3-step and 5-step MacAdam ellipses. This eliminates the visible "checkerboard" color variation in large open-plan office spaces.
- Industrial-Grade Lead-Frame Durability: Featuring a junction-to-solder point thermal resistance optimized for mid-power stability, the DURIS® E 2835 protects the phosphor layer from premature yellowing in 24/7 commercial environments.
- SMT Production Reliability: Designed for automated pick-and-place lines, the component features consistent wetting properties during reflow, ensuring high assembly yields for contract manufacturers (EMS).
| Parameter | Performance Specification |
| Footprint Dimensions | 2.8 mm x 3.5 mm x 0.7 mm |
| Typical Forward Voltage | 6.0 V – 6.4 V (6V Class) |
| Nominal Drive Current | 65 mA |
| Maximum Forward Current | 150 mA |
| Typical Luminous Flux | ~32 - 40 lm @ 65mA (Bin dependent) |
| Color Temperature (CCT) | 2700K to 6500K |
| Color Rendering Index (CRI) | 80 Minimum |
| Thermal Resistance | ~21 K/W |
| Viewing Angle | 120° (Lambertian Emitter) |
| Product Category | Description | Order Code |
|---|---|---|
| GW QTLTS1.EM-H1H3-XX310-1 | ΦV = 28.5 ... 33.0 lm, Mountingmethode:SDCM 3, 2200 K (IF = 65 mA) | Q65113A9906 |
| GW QTLTS1.EM-H1H5-XX510-1 | ΦV = 28.5 ... 36.0 lm, Mountingmethode:SDCM 5, 2200 K (IF = 65 mA) | Q65113A7289 |
| GW QTLTS1.EM-H3H5-XX38-1 | ΦV = 31.5 ... 36.0 lm, Mountingmethode:SDCM 3, 2700 K (IF = 65 mA) | Q65113A9940 |
| GW QTLTS1.EM-H3H7-XX58-1 | ΦV = 31.5 ... 39.0 lm, Mountingmethode:SDCM 5, 2700 K (IF = 65 mA) | Q65113A7287 |
| GW QTLTS1.EM-H4H6-XX37-1 | ΦV = 33.0 ... 37.5 lm, Mountingmethode:SDCM 3, 3000 K (IF = 65 mA) | Q65113A9092 |
| GW QTLTS1.EM-H4H8-XX57-1 | ΦV = 33.0 ... 40.5 lm, Mountingmethode:SDCM 5, 3000 K (IF = 65 mA) | Q65113A7286 |
| GW QTLTS1.EM-H5H7-XX36-1 | ΦV = 34.5 ... 39.0 lm, Mountingmethode:SDCM 3, 3500 K (IF = 65 mA) | Q65113A9093 |
| GW QTLTS1.EM-H5H9-XX56-1 | ΦV = 34.5 ... 42.0 lm, Mountingmethode:SDCM 5, 3500 K (IF = 65 mA) | Q65113A7288 |
| GW QTLTS1.EM-H6H8-XX31-1 | ΦV = 36.0 ... 40.5 lm, Mountingmethode:SDCM 3, 6500 K (IF = 65 mA) | Q65113A9097 |
| GW QTLTS1.EM-H6H8-XX32-1 | ΦV = 36.0 ... 40.5 lm, Mountingmethode:SDCM 3, 5700 K (IF = 65 mA) | Q65113A9096 |
| GW QTLTS1.EM-H6H8-XX33-1 | ΦV = 36.0 ... 40.5 lm, Mountingmethode:SDCM 3, 5000 K (IF = 65 mA) | Q65113A9095 |
| GW QTLTS1.EM-H6H8-XX35-1 | ΦV = 36.0 ... 40.5 lm, Mountingmethode:SDCM 3, 4000 K (IF = 65 mA) | Q65113A9094 |
| GW QTLTS1.EM-H6HV-XX51-1 | ΦV = 36.0 ... 43.5 lm, Mountingmethode:SDCM 5, 6500 K (IF = 65 mA) | Q65113A7290 |
| GW QTLTS1.EM-H6HV-XX52-1 | ΦV = 36.0 ... 43.5 lm, Mountingmethode:SDCM 5, 5700 K (IF = 65 mA) | Q65113A7291 |
| GW QTLTS1.EM-H6HV-XX53-1 | ΦV = 36.0 ... 43.5 lm, Mountingmethode:SDCM 5, 5000 K (IF = 65 mA) | Q65113A7292 |
| GW QTLTS1.EM-H6HV-XX55-1 | ΦV = 36.0 ... 43.5 lm, Mountingmethode:SDCM 5, 4000 K (IF = 65 mA) | Q65113A7293 |
The DURIS® E 2835 GW QTLTS1.EM is a staple light source for:
- Professional Office Troffers: High-efficacy LED panel lights and linear fixtures requiring perfect color uniformity across large areas.
- Industrial High-Bay & Low-Bay: Consistent emitters for warehouse fixtures where reliable lumen maintenance at elevated temperatures is paramount.
- Retail Accent & Display Lighting: High-uniformity white light for edge-lit panels and informational signage.
- Retrofit LED Tubes (T5/T8): Ideal light engine for bulb and tube replacements where the 6V configuration allows for compact driver integration.
Why Source ams OSRAM through Gainer LED?
- In the specialized electronic component distribution landscape, Gainer LED acts as a technical bridge between ams OSRAM's primary manufacturing and your localized assembly needs.
- Verified Batch Integrity: We guarantee 100% original stock in factory-sealed reels. Every shipment is traceable to its original production lot and binning group.
- Wholesale Supply Chain Stability: We maintain strategic inventory levels of the DURIS® E 2835 series to protect our B2B partners from semiconductor market lead-time fluctuations.
- Technical Compliance Support: All components meet RoHS and REACH standards. We manage full batch traceability and documentation (CoC, Data Sheets) for international shipping.
- EMS-Focus: Our team assists LED lamp manufacturers in selecting the correct flux and voltage bins to match specific industrial tenders.
FAQ
Q: Can I drive the GW QTLTS1.EM on a standard 3V driver?
A: No. This specific model is a 6V LED. You must ensure your LED driver is configured for the higher forward voltage. The benefit of 6V is higher system efficiency and lower heat generation in the PCB traces.
Q: Does Gainer LED provide bin-matching for large architectural projects?
A: Absolutely. We understand that color consistency is paramount. We coordinate wholesale shipments to provide consistent flux and chromaticity bins across your entire order.
Q: What is the maximum junction temperature for safe operation?
A: The GW QTLTS1.EM is rated for a maximum junction temperature of 120°C. For long-term industrial reliability (L70 > 50,000 hrs), we recommend designing your thermal system to keep the solder point temperature significantly lower.
Q: How does this model handle sulfur-rich industrial environments?
A: The DURIS® E 2835 is built with high-quality materials designed to pass rigorous sulfurization tests, ensuring reliable performance in harsh industrial zones.
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