CSER2512FR010Q9 datasheet, PDF

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CSER2512FR010Q9: DescriptionPower: 2W Accuracy: ±1% Resistance (ohms): 0.01 Temperature coefficient: ±50 ppm/℃ 2W, ±50ppm, automotive grade, temperature rise is significantly lower than alloy resistance; CategoryPassive components Patch low resistance of sampling resistor; File Size823KB，3 Pages; ManufacturerResistorToday; Websitehttp://www.resistor.today/; Shenzhen Kaibu Electronics Co., Ltd. is a well-known supplier and agent of electronic components. Resistor.Today is a self-operated resistor brand under Kaibu Electronics. The brand is committed to providing engineers with resistor products with reliable quality, reasonable prices and stable supply. Based on years of experience accumulated in the industry, Resistor.Today has started to develop and produce high-quality resistors in the past two years. It has rich production experience and strong strength in special products such as automotive thick film resistors, high-voltage resistors, high-energy resistors, high-precision resistors, shunts, etc.

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CSER2512FR010Q9 Overview

Power: 2W Accuracy: ±1% Resistance (ohms): 0.01 Temperature coefficient: ±50 ppm/℃ 2W, ±50ppm, automotive grade, temperature rise is significantly lower than alloy resistance

CSER2512FR010Q9 Parametric

Parameter Name	Attribute value
power	2W
Accuracy	±1%
Resistance (ohms)	0.01
Temperature Coefficient	±50 ppm/℃

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CSER

短边电极电流检测电阻

独特的短边电极以及倒装结构，功率最高可达5W，温度系数½至50ppm/℃

最高工½温度+1

75°C，优异的散热表现，良½的功率系数，极½的电感，

极小的热电势（EMF）电极½用一流焊锡，机械性½优异

散热性½很重要

电阻的阻值漂移以及失效主要原因是受到热应力的½响。电阻严重的发热

会导致长期稳定性变差，阻值漂移增大，寿½缩短，容易产生安全隐患。

发热也会½响电路中其他元器件的性½。CSER 系列基板采用高导热氧化铝

材质，配合下边电极以及倒装结构，热量可以有效地从上方的氧化铝基板

散掉。下边电极与PCB板紧密连接，热量借助PCB板进一步扩散。

½热电势对于直流的应用非常重要

在直流下，电流从电阻的一端流入另一端流出，电极与电阻层之间会½成

一个温度差，根据塞贝克效应，这个温度差将½电阻产生一个寄生的电势

差。对于阻值通常½至几个毫欧的电流检测电阻来说，这个电势差将会显

著½响最终的输出电压，是不可½略的。

CSER系列电极与电阻层采用导热

系数非常接近的材料，电极与电阻层导热良½，可以最大程度降½热电势

的½响。

为什么要选择功率系数小的电阻？

功率系数表达的是电阻通电之后自热对电阻产生的½响。在大电流的场

合，电阻功率很高，很多时候自热产生的阻值漂移会严重½响电压信号输

出，甚至超过温度系数所造成的½响。CSER系列良½的散热性½可以降½

功率自热产生的½响，½电阻具有良½的功率系数。

CSER尺寸与电气参数

R010

电阻值范围(Ω)与精度(％)

±1%（

F）

±2%（

G）

尺寸

额定功率

温度系数

（ppm/℃）

±50(Q)

W(mm)

L(mm)

t(mm)

a(mm)

包装

0402

0.2W

±100(K)

±50(Q)

50m≤R≤100m

1.00

0.20

0.50

0.20

0.40

0.20

0.30

0.20

10Kpcs

10m≤R≤500m

10m≤R≤1000m

1.60

0.20

0.80

0.20

0.50

0.20

0.30

0.20

5m≤R≤9m

2.00

0.20

1.25

0.20

0.50

0.20

0.40

0.20

5m≤R≤9m

3.20

0.20

1.60

0.20

0.50

0.20

5m≤R≤9m

5.00

0.20

2.50

0.20

0.50

0.20

5m≤R≤9m

6.30

0.20

3.10

0.20

0.50

0.20

5m≤R≤9m

11.00

0.20

5.00

0.20

0.65

0.20

5m≤R≤9m

0.40

±0.20(9mΩ~)/

1.10±0.20(5~8mΩ)

1Kpcs

5Kpcs

0603

0.3W

±100(K)

±50(Q)

0805

0.5W

±100(K)

±50(Q)

1206

0.75W

±100(K)

±50(Q)

2010

1.5W

±100(K)

±50(Q)

0.60

±0.20(9mΩ~)/

1.40±0.20(5~8mΩ)

2512

±100(K)

±50(Q)

1.00

±0.20(9mΩ~)/

1.90±0.20(5~8mΩ)

4320

±100(K)

2.36

±0.20(8mΩ~)/

3.60±0.20(5~7mΩ)

1Kpcs

*非标准尺寸及非标准阻值请与我们联系；

*需要长边电极产品请参考CSFR系列，需要四脚开尔文结构产品请参考CSKR系列。

深圳市开步电子有限公司 |

www.resistor.today

| sales@cbeureka.com | Tel:0755-83981080/83981010

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