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Cree® J Series® 2835 3‑V LEDs

Cree® J Series® 2835 3‑V LEDs
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Cree® J Series® 2835 3‑V LEDs

Product catalog summary
Product Overview
The Cree J Series 2835 3-V LEDs are designed for low-density lighting applications requiring high efficacy and smooth appearance, such as downlights, troffers, and panel lights. They offer high CRI and are optimized for applications where good color quality is essential.
Key Features
  • Industry-compatible size: 2.8 x 3.5 x 0.7 mm
  • 3-V configuration
  • Flux and chromaticity binned at 25 °C
  • Available in 6500 K to 2200 K ANSI CCTs
  • CRI options: 70, 80, 90, and 95
  • RoHS and REACh compliant
  • UL recognized component
Product Summary
The document provides detailed specifications for various classes of the J Series 2835 LEDs, including power class, test temperature, test current, typical forward voltage, typical flux, and typical efficacy.
Order Code & Bin Code Formats
Order codes and bin codes specify series, power class, family name, generation, color, class, CRI, CCT, step, and forward voltage.
Characteristics and Operating Limits
Details include thermal resistance, viewing angle, temperature coefficient of voltage, ESD withstand voltage, DC forward current, reverse voltage, forward voltage, LED junction temperature, and operating temperature.
Flux Characteristics and Binning
Flux characteristics, order codes, and bins are provided for different CCTs and CRIs, specifying minimum and typical flux values at 25 °C and 85 °C.
Performance and Electrical Characteristics
Graphs and tables illustrate the relative luminous flux versus current, electrical characteristics, and relative chromaticity versus current and temperature.
Additional Sections
Includes reflow soldering characteristics, mechanical dimensions, tape and reel, and packaging details.
Specifications:
  • Thermal Resistance: Varies by class, with JB2835B at 8.8 °C/W, JE2835B N Class at 15 °C/W, and JE2835B P Class at 23 °C/W.
  • Viewing Angle: 120 degrees for all classes.
  • Temperature Coefficient of Voltage: Approximately -1.0 mV/°C across different classes.
  • ESD Withstand Voltage: Class 2 for all models.
  • Operating Temperature Range: -40 to 105 °C for all classes.
Performance Data:
  • Relative Luminous Flux vs. Junction Temperature: The flux output decreases with increasing junction temperature.
  • Relative Chromaticity vs. Current and Temperature: Chromaticity shifts slightly with changes in current and temperature.
  • Electrical Characteristics: Forward voltage varies slightly with current.
Operating Limits: The maximum forward current is influenced by the thermal resistance between the LED junction and ambient temperature.
Flux Characteristics and Order Codes: Detailed tables provide order codes for different color temperatures (CCT) and CRI levels.
Notes: The document highlights tolerances in measurements and the possibility of receiving higher flux bins than specified.
Specifications and Tolerances:
Cree Venture maintains a tolerance of ±7% on flux and power measurements, ±0.005 on chromaticity measurements, and ±2 on CRI measurements.
Pre-Release Qualification Testing:
Details on pre-release qualification testing can be found in the J Series Reliability Overview.
Moisture Sensitivity:
The J Series 2835 LEDs should be stored in moisture-barrier packaging until soldering.
RoHS and REACh Compliance:
The product complies with RoHS2 and REACh regulations.
UL Recognition and Safety Advisory:
The product is a UL Recognized Component and meets ANSI/UL 8750 standards.
Mechanical Dimensions:
Detailed mechanical dimensions are provided with a tolerance of ±0.1 mm.
Tape & Reel Packaging:
The document specifies the dimensions and standards for tape and reel packaging.
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Catalog excerpts

Cree® J Series® 2835 3‑V LEDs-1

PRODUCT FAMILY DATA SHEET Cree® J Series® 2835 3-V LEDs PRODUCT DESCRIPTION J Series® LEDs extend Cree's industry-leading portfolio of lighting-class LEDs to a broader set of applications. The J Series 2835 LEDs combine high efficacy and excellent value in a reliable package. The J Series 2835 LEDs are optimized for low-density lighting applications where high efficacy and smooth appearance are critical, such as downlights, troffers, and panel lights. The J Series 2835 LEDs offer high CRI and are optimized for lighting applications where good color quality is critical. FEATURES • Industry-compatible size : 2.8 x 3.5 x 0.7 mm • 3-V configuration • Flux and chromaticity binned at 25 °C • 6500 K-2200 K ANSI CCTs available • 70, 80 & 90 CRI minimum available for 6500 K-2700 K CCTs, 80 & 90 CRI minimum available for 2200 K CCT • 95 CRI minimum available for 6500 K, 5000 K, 4000 K, 3500 K, 3000 K & 2700 K • RoHS and REACh compliant • UL® recognized component (E495478) PRODUCT SUMMARY J Series® Products are sold exclusively by Cree Venture LED Company Limited ("Cree Venture"), regardless of geography. Any orders for J Series Products that are submitted to Cree, Inc. or any of its other subsidiaries will be directed to Cree Venture for acknowledgment and order fulfillment. Copyright © 2019-2020 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo and J Series® are registered trademarks of Cree, Inc. UL® and the UR logo are registered trademarks of UL LLC. J Series products are marketed by Cree, Inc. for the benefit of Cree Venture LED Company Limited. Cree, Inc. 4600 Silicon Drive Durham, NC 27703 USA Tel: +1.919.313.5300

 Open the catalog to page 1
Cree® J Series® 2835 3‑V LEDs-2

Relative Luminous Flux vs. Junction Temperature - JE2835B Flux Characteristics, Order Codes and Bins - JB2835B 3‑V Flux Characteristics, Order Codes and Bins - JE2835 3‑V Relative Luminous Flux vs. Junction Temperature - JB2835B 3‑V Relative Luminous Flux vs. Junction Temperature - JE2835 3‑V Flux Characteristics, Order Codes and Bins - JB2835B 3‑V Flux Characteristics, Order Codes and Bins - JB2835 3‑V Relative Chromaticity vs. Temperature - JB2835B 3‑V J Class... 12 Relative Luminous Flux vs. Junction Temperature - JB2835B Relative Luminous Flux vs. Junction Temperature - JB2835 3‑V Flux Characteristics,...

 Open the catalog to page 2
Cree® J Series® 2835 3‑V LEDs-3

ORDER CODE & BIN CODE FORMATS Order codes and bin codes for J Series 2835 LEDs are configured in the following manner: Order Code Bin Code Series J = J Series Generation A = 1st generation (default) B = 2nd generation Color WT = White Version Color WT = White Internal code Class G = G class J = J class N = N class P = P class R = R class W = W class CRI B = 70 CRI minimum H = 80 CRI minimum U = 90 CRI minimum Z = 95 CRI minimum CCT 65 = 6500 K 57 = 5700 K 50 = 5000 K 40 = 4000 K 35 = 3500 K 30 = 3000 K 27 = 2700 K 22 = 2200 K Chromaticity bin Flux group Forward voltage bin CRI specification B...

 Open the catalog to page 3
Cree® J Series® 2835 3‑V LEDs-4

CHARACTERISTICS - JB2835B 3-V G CLASS Characteristics JB2835B 3-V G Class Copyright © 2019-2020 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo and J Series® are registered trademarks of Cree, Inc. UL® and the UR logo are registered trademarks of UL LLC. J Series products are marketed by Cree, Inc. for the benefit of Cree Venture LED Company Limited.

 Open the catalog to page 4
Cree® J Series® 2835 3‑V LEDs-5

FLUX CHARACTERISTICS, ORDER CODES AND BINS - JB2835B 3-V G CLASS (IF = 55 mA, T = 25 °C) The following table provides order codes for J Series 2835B 3-V G Class LEDs. For a complete description of the order code nomenclature, please see the Order Code and Bin Code Formats section (page 3). For definitions of the chromaticity kits, please see the Performance Groups - Chromaticity section (page 38). Notes: • Cree Venture maintains a tolerance of ±7% on flux and power measurements, ±0.005 on chromaticity (CCx, CCy) measurements and ±2 on CRI measurements. See the Measurements section (page 48)....

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Cree® J Series® 2835 3‑V LEDs-6

RELATIVE Relative Intensity vs. Current (Tj = 25ºC) LUMINOUS FLUX VS. CURRENT - JB2835B 3‑V G CLASS 750% Relative Luminous Flux ELECTRICAL CHARACTERISTICS - JB2835B 3‑V G CLASS Electrical Characteristics 480 Copyright © 2019-2020 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo and J Series® are registered trademarks of Cree, Inc. UL® and the UR logo are registered trademarks of UL LLC. J Series products are marketed by Cree, Inc. for the benefit of Cree Venture LED Company

 Open the catalog to page 6
Cree® J Series® 2835 3‑V LEDs-7

Relative Chromaticity Vs. Current RELATIVE CHROMATICITY VS. CURRENT - JB2835B 3‑V G CLASS RELATIVE CHROMATICITY VS. TEMPERATURE - JB2835B 3‑V G CLASS Relative Chromaticity Vs. Temperature 0.020 Copyright © 2019-2020 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo and J Series® are registered trademarks of Cree, Inc. UL® and the UR logo are registered trademarks of UL LLC. J Series products are marketed by Cree, Inc. for the benefit of Cree Venture LED Comp

 Open the catalog to page 7
Cree® J Series® 2835 3‑V LEDs-8

Relative Flux Output vs. Junction Temperature RELATIVE LUMINOUS FLUX VS. JUNCTION TEMPERATURE - JB2835B 3‑V G CLASS 100% Relative Luminous Flux Copyright © 2019-2020 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo and J Series® are registered trademarks of Cree, Inc. UL® and the UR logo are registered trademarks of UL LLC. J Series products are marketed by Cree, Inc. for the benefit of Cree Venture LED Company Lim

 Open the catalog to page 8
Cree® J Series® 2835 3‑V LEDs-9

CHARACTERISTICS - JB2835B 3-V J CLASS Characteristics JB2835B3-V J Class Copyright © 2019-2020 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree®, the Cree logo and J Series® are registered trademarks of Cree, Inc. UL® and the UR logo are registered trademarks of UL LLC. J Series products are marketed by Cree, Inc. for the benefit of Cree Venture LED Company Limited.

 Open the catalog to page 9

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