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  • 型号: LVK20R020FER
  • 制造商: Ohmite
  • 库位|库存: xxxx|xxxx
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LVK20R020FER产品简介:

ICGOO电子元器件商城为您提供LVK20R020FER由Ohmite设计生产,在icgoo商城现货销售,并且可以通过原厂、代理商等渠道进行代购。 LVK20R020FER价格参考¥3.03-¥8.17。OhmiteLVK20R020FER封装/规格:芯片电阻 - 表面安装, 20 mOhms ±1% 0.75W,3/4W 厚膜 芯片电阻 2010(5025 公制) 耐腐蚀,电流感应,防潮 厚膜。您可以下载LVK20R020FER参考资料、Datasheet数据手册功能说明书,资料中有LVK20R020FER 详细功能的应用电路图电压和使用方法及教程。

产品参数 图文手册 常见问题
参数 数值
产品目录

电阻器

描述

RES 0.02 OHM 3/4W 1% 2010电流传感电阻器 - SMD 0.02ohm 1% 4 Terminal

产品分类

芯片电阻 - 表面安装

品牌

Ohmite

产品手册

点击此处下载产品Datasheet

产品图片

rohs

符合RoHS无铅 / 符合限制有害物质指令(RoHS)规范要求

产品系列

电流传感电阻器,电流传感电阻器 - SMD,Ohmite LVK20R020FERLVK

数据手册

点击此处下载产品Datasheet

产品型号

LVK20R020FER

产品

4 Terminal

产品培训模块

http://www.digikey.cn/PTM/IndividualPTM.page?site=cn&lang=zhs&ptm=24653

产品目录绘图

产品目录页面

点击此处下载产品Datasheet

产品种类

电流传感电阻器 - SMD

供应商器件封装

2010

其它名称

LVK20R020FERDKR

功率(W)

0.75W,3/4W

功率额定值

750 mW (3/4 W)

包装

Digi-Reel®

商标

Ohmite

外壳代码-in

2010

外壳代码-mm

5025

外壳宽度

2.5 mm

外壳长度

5 mm

外壳高度

0.5 mm

大小/尺寸

0.197" 长 x 0.098" 宽(5.00mm x 2.50mm)

容差

1 %

封装

Reel

封装/外壳

2010(5025 公制)

封装/箱体

2010 (5025 metric)

工作温度范围

- 40 C to + 125 C

工具箱

/product-detail/zh/CAB-LVK/CAB-LVK-ND/2526874

工厂包装数量

1000

成分

厚膜

标准包装

1

温度系数

50 PPM / C

特性

电流感应, 防潮

特色产品

http://www.digikey.com/cn/zh/ph/Ohmite/lvk.html

电压额定值

50 mV

电阻

0.02 Ohms

电阻(Ω)

0.02

端子数

4

端接类型

SMD/SMT

系列

LVK

高度

0.026"(0.65mm)

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PDF Datasheet 数据手册内容提取

LVK Series Four Terminal High Precision Current Sense Current sense resistors enable the measurement of current flow in a circuit by monitoring a voltage drop across a precisely cali- brated resistance. The LVK chip features four terminals, also known as a “Kelvin” configuration. This configuration enables current to be applied through two opposite terminals and a sensing voltage to be measured across the other two terminals, eliminating the resistance and temperature coefficient of the terminals for a more accurate current measurement. Isolating the voltage and current terminals (see schematic) FeatureS facilitates a very accurate current measurement. Ohmite’s pro- • Designed for automatic insertion prietary technology offers an excellent Temperature Coefficient of Resistance (TCR) even for very low resistance values. The • Industry standard sizes resistive element consists of a durable, anti-corrosive metal • High-precision Kelvin connect capability alloy that combines reliable performance with the ability to in a small package withstand harsh environments. SerieS SpeciFicationS Power Resistance Max. Over Current Pkg. Rating Range TCR Available Max. Max. Series Size (W @70°C) (Ω) (ppm/°C) Tolerance Values Power Current LVK12 1206 0.5W 0.01-0.100 50ppm 0.5%, 1% E12 20W 20A LVK20 2010 0.75W 0.01-0.05 50ppm 0.5%, 1% E12 29W 23A LVK24 2412 1.0W 0.01-0.100 50ppm 0.5%, 1% E12 38W 27A 0.001 300ppm LVK25 1224 2.0W 0.002-0.004 200ppm 1% 1, 2, 3, 5, 9,10mΩ 150W 200A 0.005-0.01 100ppm characteriSticS Res. Range 0.001Ω - 0.010Ω Operating Temp. Range -40°C to +125°C Rated Ambient Temperature +70°C Resistance Tolerance 0.5% and 1% standard Temperature Coefficient LVK12, LVK20, LVK24: 50ppm standard LVK25: 100ppm, 200ppm, or 300ppm based on resistance value Coating Material epoxy resin Terminals 100% matte tin Max. Over Current Time applied: 10ms max. Interval: 60sec min. Max. over current = √(Max. power÷ Resistance value) or max. current, whichever is smaller. Storage conditions Temperature: 5°C ~ 35°C Humidity: 25% ~ 70% 12 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

LVK Series Four Terminal High Precision Current Sense perFormance characteriSticS Test Items Performance Requirements Test Methods / standard: JIS C 5201.1 Overload ±(0.5%+0.0005Ω) Rated voltage x 1.5 for 5s Endurance at 70°C ±(0.5%+0.0005Ω) 70°C±3°C, Rated voltage 1.5h ON, 0.5h OFF, 1000h Moisture ±(0.5%+0.0005Ω) 60°C±2°C, 90%~95% RH, Rated voltage 1.5h ON, resistance 0.5h OFF, 1000h Rapid change of ±(0.5%+0.0005Ω) -40°C (30min.)/+125°C (30min.), 5 cycles temperature Resistance to sol- ±(0.5%+0.0005Ω) 260°C±5°C for 10s±1s dering heat Substrate bending ±(0.5%+0.0005Ω) Bending width: 2mm for 10s±1s, Glass epoxy sub- strate with thickness of 1.6mm Solderability 95% or more of the electrode surface 245°C±5°C for 3s±0.5s shall be covered with new solder Reflow Temperature Profile For lead free soldering (Sn-Ag-Cu solder) 300 Peak240 ~ 260℃ Max. 10s Preheating: 130° ~ 180° 60s ~ 90s Ramp-up rate: max 3°C/sec. e °C250 Heating: Over 220° 30s ~ 90s Time above liquidous: 60 – 150 sec. atur200 Peak: 240° ~ 260° Max. 10s RMaamx.p n-duomwbne rr aotfe r: eflow: m2ax 6°C/sec. Temper150 Preheating OH3v0eesra ~2t 29in00℃sg 100 130 ~ 180℃ 60 ~ 90 sec. 50 Time (sec.) dimenSionS (mm) LVK 12, LVK20, LVK24 (0.5, 0.75 & 1 watt) LVK25 (2 watt) L a 3 1. Electrode L a Schematic 2 b 1 2. Pcoraottection b V V W 3. Almina I I substrate W V = sensing terminal 4 4. Resistor (voltage) t I = current terminal g f Layout for illustra- tion only, part can be d rotated 180° without Land Pattern t effect to the circuit. e Note that LVK25 has a vertical orientation with the current flow along the short edge of the resistor. Size L W t a b d e f g LVK12 (1206) 3.2 ±0.2 1.6 ±0.2 0.5 ±0.15 1.0 ±0.2 0.55 ±0.2 1.10 0.30 1.00 1.75 LVK20 (2010) 5.0 ±0.2 2.5 ±0.2 0.5 ±0.15 1.7 ±0.2 0.9 ±0.2 1.55 0.50 1.40 2.55 LVK24 (2412) 6.4 ±0.2 3.2 ±0.2 0.5 ±0.15 2.1 ±0.2 1.2 ±0.2 1.90 0.60 2.00 3.25 LVK25 (1224) 3.2 ±0.2 6.4 ±0.2 0.5 ±0.2 0.4 ±0.2 2.7 ±0.2 1.40 2.20 1.00 3.30 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 13

LVK Series Four Terminal High Precision Current Sense tape and reeL (mm) Tape Reel P0 Direction 13mm ±0.3 (LVK12) T D0 P2 of feed 2mm ±0.5 15mm ±0.3 (LVK 20, 24, 25) E F W 13mm ±�0.2 Series Qty/Reel B LVK12 5000 180mm ±3 60mm ±1 LVK20 1000 T2 D1 P1 A LVK24 1000 LVK12 LVK20 LVK24 LVK25 LVK25 1000 A 1.90 ±0.10 2.90 ±0.1 3.43 ±0.2 3.43 ±0.2 B 3.50 ±0.10 5.35 ±0.1 6.63 ±0.2 6.63 ±0.2 W 8.0 ±0.2 12.0 ±0.2 12.0 ±0.3 12.0 ±0.3 9mm ±0.3 (LVK12) 13mm ±0.3 (LVK 20, 24, 25) F 3.5 ±0.05 5.5 ±0.05 5.5 ±0.05 5.5 ±0.05 E 1.75 ±0.1 1.75 ±0.1 1.75 ±0.1 1.75 ±0.1 P0 4.0 ±0.1 4.0 ±0.1 4.0 ±0.1 4.0 ±0.1 P1 4.0 ±0.1 4.0 ±0.1 4.0 ±0.1 4.0 ±0.1 P2 2.0 ±0.05 2.0 ±0.05 2.0 ±0.05 2.0 ±0.05 D0 1.5 +0.1/-0 1.5 +0.1/-0 1.5 +0.1/-0 1.5 +0.1/-0 D1 1.0 +0.20/-0 1.5 +0.2/-0 1.5 +0.2/-0 1.5 +0.2/-0 T 0.2 ±0.05 0.2 ±0.05 0.2 ±0.05 0.2 ±0.05 T2 1.0 ±0.2 1.0 ±0.2 1.0 ±0.2 1.0 ±0.2 orderinG inFormation RoHS Compliant Standard values L V K 2 5 R 0 0 5 F E R LVK12 LVK20 LVK24 LVK25 LVK12 LVK20 LVK24 LVK25 1% Tolerance 0.5% Tolerance Series Case Size Ohms Tolerance Tape & Reel 0.01 0.01 0.01 0.001 0.01 0.01 0.01 0.001 12=1206 R005 = 0.005 D=0.5% 0.012 0.012 0.002 0.015 0.015 0.002 20=2010 F=1% 0.015 0.015 0.003 0.02 0.02 0.02 0.003 24=2412 25=1224 0.005 0.025 0.025 0.005 0.02 0.02 0.02 0.01 0.03 0.03 0.03 0.010 0.024 0.027 0.025 0.033 0.033 0.03 0.03 0.03 0.039 0.033 0.033 0.05 0.05 0.05 0.039 0.039 0.039 0.075 0.047 0.047 0.10 0.10 0.05 0.05 0.05 0.075 0.075 0.10 0.10 rev 3/18-1 14 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

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