NESW157B

Manufacturer Part NumberNESW157B
ManufacturerNichia
NESW157B datasheet
 

Specifications of NESW157B

Size Lxwxh (mm)3.0x1.4x0.52Lumi-nous Inten-sity Typ(cd)6.7
Lumi-nous Flux Typ(lm))20.0Forward Voltage Vf(v) Typ2.90
Forward Voltage Vf(v) Max3.10Directivity (degree)120
If (ma)50Mounting StyleThrough Hole
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
Page 1/17

Download datasheet (267Kb)Embed
Next
NICHIA CORPORATION
SPECIFICATIONS FOR WHITE LED
NESW157BT
● Pb-free Reflow Soldering Application
● Built-in ESD Protection Device
● RoHS Compliant

NESW157B Summary of contents

  • Page 1

    ... NICHIA CORPORATION SPECIFICATIONS FOR WHITE LED NESW157BT ● Pb-free Reflow Soldering Application ● Built-in ESD Protection Device ● RoHS Compliant ...

  • Page 2

    SPECIFICATIONS (1) Absolute Maximum Ratings Item Forward Current Pulse Forward Current Allowable Reverse Current Power Dissipation Operating Temperature Storage Temperature Junction Temperature * Absolute Maximum Ratings at T =25° conditions with pulse width ≤10ms and duty cycle ...

  • Page 3

    ... Tolerance of measurements of the Forward Voltage is ±0.05V. * Tolerance of measurements of the Luminous Flux is ±7%. * Tolerance of measurements of the Chromaticity Coordinate is ±0.005 shipment shall consist of LEDs in a combination of the above ranks. The percentage of each rank in the shipment shall be determined by Nichia. Luminous Flux Ranks by Color Rank Ranking by Luminous Flux ...

  • Page 4

    CHROMATICITY DIAGRAM 0.45 0.40 0.35 0.30 0.25 0.20 0. 0.25 0. 0.35 0.40 0.45 3 ...

  • Page 5

    OUTLINE DIMENSIONS * 本製品はRoHS指令に適合しております。 This product complies with RoHS Directive. 3 (2.6) 2.6 Cathode 1.56 K 0.52 Package Materials Encapsulating Resin Electrodes Materials Anode 0.54 バリは寸法に含まないものとします。 * Dimensions do not include mold flash or metal burr. A 保護素子 Protection Device ...

  • Page 6

    ... This LED is designed to be reflow soldered PCB. If dip soldered, Nichia cannot guarantee its reliability. * Reflow soldering must not be performed more than twice. Hand soldering must not be performed more than once. * Avoid rapid cooling. Ramp down the temperature gradually from the peak temperature. ...

  • Page 7

    TAPE AND REEL DIMENSIONS テーピング部 Tape +0.1 Φ1.5 -0 Cathode トレーラ部/リーダ部 Trailer and Leader トレーラ部最小160mm(空部) Trailer 160mm MIN(Empty Pockets) リール部 Reel 180 +0 -3 ラベル Label 4 ±0.1 2 ±0.05 4 ±0.1 +0.1 Φ1 -0 1.6 ±0.1 LED装着部 Loaded Pockets ...

  • Page 8

    ... No. STS-DA7-0006B ラベル Label XXXX LED TYPE Nxxxxxxx ******* LOT YMxxxx-RRR QTY. PCS RoHS NICHIA CORPORATION 491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN XXXX LED Nxxxxxxx ******* RRR PCS RoHS NICHIA CORPORATION 491 OKA, KAMINAKA, ANAN, TOKUSHIMA, JAPAN Nxxxxxxx 7 ...

  • Page 9

    ... Lot Number is presented by using the following alphanumeric code. YMxxxx - RRR Y - Year Year Y 2009 9 2010 A 2011 B 2012 C 2013 D 2014 Month Month xxxx-Nichia's Product Number RRR-Ranking by Color Coordinates, Ranking by Luminous Flux Month ...

  • Page 10

    DERATING CHARACTERISTICS 周囲温度-許容順電流特性 Ambient Temperature vs Allowable Forward Current Derating1 100 Ambient Temperature(°C) デューティー比-許容順電流特性 Duty Ratio vs Allowable Forward Current 1000 120 100 Duty Ratio(%) カソード側はんだ接合部温度-許容順電流特性 Solder Temperature(Cathode Side) ...

  • Page 11

    ... Directivity1 0° -10° -20° -30° -40° 0.5 0 相対照度 Relative Illuminance(a.u.) 管理番号 No. STS-DA7-1636A T =25° 50mA F 600 650 700 T =25° 50mA FP 10° 20° 30° 40° 50° 60° 0.5 NESW157B 750 70° 80° 90° ...

  • Page 12

    ... No. STS-DA7-1637A TaVf I 4.0 3.5 3.0 2.5 2.0 -60 -40 - 周囲温度 Ambient Temperature(°C) TaIv I FP 1.4 1.2 1.0 0.8 0.6 -60 -40 - 周囲温度 Ambient Temperature(°C) NESW157B = 50mA FP 80 100 120 = 50mA 80 100 120 11 ...

  • Page 13

    ... Forward Current vs Ifxy Chromaticity Coordinate 0.37 0.36 0.35 0.34 0.33 0.32 0.33 0.34 x 周囲温度-色度特性 Ambient Temperature vs Chromaticity Coordinate 0.37 0.36 0.35 0.34 0.33 0.32 0.33 0.34 x 管理番号 No. T =25°C A 10mA 20mA 50mA 90mA 120mA 0.35 0.36 Taxy I = 50mA FP -40°C 0°C 25°C 50°C 100°C 0.35 0.36 NESW157B STS-DA7-1638A 12 ...

  • Page 14

    RELIABILITY (1) Tests and Results Reference Test Standard Resistance to JEITA ED-4701 Soldering Heat 300 301 (Reflow Soldering) Solderability JEITA ED-4701 (Reflow Soldering) 303 303A JEITA ED-4701 Temperature Cycle 100 105 Moisture Resistance JEITA ED-4701 (Cyclic) 200 203 High Temperature ...

  • Page 15

    CAUTIONS (1) Storage Conditions Before Opening Aluminum Bag Storage After Opening Aluminum Bag Baking ● Product complies with JEDEC MSL 3 or equivalent. See IPC/JEDEC STD-020 for moisture-sensitivity details. ● Absorbed moisture in LED packages can vaporize and expand during ...

  • Page 16

    Design Consideration ● PCB warpage after mounting the products onto a PCB can cause the package to break. The LED should be placed in a way to minimize the stress on the LEDs due to PCB bow and twist. ...

  • Page 17

    ... Nichia. When defective LEDs are found, the customer shall inform Nichia directly before disassembling or analysis. ● Both the customers and Nichia will agree on official specifications of supplied products before a customer's volume production. ● Specifications and appearance subject to change for improvement without notice. ...