参数资料
| 型号： | LVK25R010FER |
| 厂商： | Ohmite |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | RES .01 OHM 2W 1% 2412 WIDE |
| 产品培训模块： | Current Sensing Resistors |
| 产品目录绘图： | LVK Series Schematic LVK25 Series Top LVK25 Series Side LVK25 Series Bottom |
| 特色产品： | LVK Series Resistors |
| 标准包装： | 1 |
| 系列： | LVK |
| 电阻（欧姆）： | 0.01 |
| 功率（瓦特）： | 2W |
| 复合体： | 厚膜 |
| 特点： | 电流检测 |
| 温度系数： | ±100ppm/°C |
| 容差： | ±1% |
| 封装/外壳： | 2412（6231 公制）宽（长端），1224（3162 公制） |
| 尺寸/尺寸： | 0.126" L x 0.252" W（3.20mm x 6.40mm） |
| 高度： | 0.028"（0.70mm） |
| 端子数： | 4 |
| 包装： | 标准包装 |
| 产品目录页面： | 2260 (CN2011-ZH PDF) |
| 其它名称： | LVK25R010FERDKR |
ELEMEMT
KELVIN
CONNECTION
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 ter-
minals for a more accurate current measurement.
Isolating the voltage and current terminals (see schematic)
facilitates a very accurate current measurement. Ohmite’s pro-
prietary technology offers an excellent Temperature Coefficient
of Resistance (TCR) even for very low resistance values. The
resistive element consists of a durable, anti-corrosive metal
alloy that combines reliable performance with the ability to with-
stand harsh environments.
F E AT U R E S
? Designed for automatic insertion
? Industry standard sizes
? High-precision kelvin connect capabil -
ity in a small package
S E R I E S S P E C I F I C AT I O N S
Power
Resistance
Series
LVK12
LVK20
LVK24
Pkg.
Size
1206
2010
2412
Rating
(W @70°C)
0.5W
0.75W
1.0W
Range
( Ω )
0.01-0.05
0.01-0.05
0.01-0.05
TCR
(ppm/°C)
50PPM
50PPM
50PPM
Tolerance
0.5%, 1%
0.5%, 1%
0.5%, 1%
Available
Values
E12
E12
E12
0.001
300PPM
1, 2, 3, 4,
LVK25
1224
2.0W
0.002-0.004
0.005-0.01
200PPM
100PPM
1%
5, 6, 7, 8,
9, 10M Ω
CHARACTERISTICS
PERFORMANCE CHARACTERISTICS
Resistance Range 0.001 Ω - 0.05 Ω
Operating -40°C TO +125°C
Temperature Range
Rated Ambient +70°C
Temperature
Resistance 0.5% AND 1% STAN -
Tolerance DARD
Temperature LVK12, LVK20, LVK24:
Coefficient 50PPM STANDARD
LVK25: 100PPM,
200PPM, OR 300PPM
BASED ON RESISTANCE
VALUE
Coating Material EPOXY RESIN
Performance
Test Items Requirements
Overload ±(0.5%+0.0005 Ω )
Endurance at ±(0.5%+0.0005 Ω )
70°C
Moisture ±(0.5%+0.0005 Ω )
resistance
Rapid change ±(0.5%+0.0005 Ω )
of temperature
Resistance to ±(0.5%+0.0005 Ω )
soldering heat
Test Methods
RATED VOLTAGE X 1.5 FOR
5S
70°C±3°C, RATED VOLT -
AGE 1.5H ON, 0.5H OFF,
1000H
60°C±2°C, 90%^95%
RH, RATED VOLTAGE 1.5H
ON, 0.5H OFF, 1000H
-40°C (30MIN.)/+125°C
(30MIN.), 5 CYCLES
260°C±5°C FOR 10S±1S
Schematic
Terminals 100% MATTE TIN
V
V
Substrate ±(0.5%+0.0005 Ω )
bending
BENDING WIDTH: 2MM FOR
10S±1S, GLASS EPOXY
SUBSTRATE WITH THICKNESS
OF 1.6MM
I I
V = SENSING TERMINAL
(VOLTAGE)
I = CURRENT TERMINAL
Solderability 95% OR MORE OF THE 245°C±5°C FOR 3S±0.5S
ELECTRODE SURFACE
SHALL BE COVERED
WITH NEW SOLDER
2
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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