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外形尺寸   DIMENSIONS (mm

 

 


 

■  产品特点  FEATURES

 

尺寸(size)

L±0.3

L1max

Dmax

D1max

Kmax

RJM74P0204

3.5

1.7

1.5

1.5

1.0

RJM75P0207

5.7

3.5

2.3

2.3

1.5

RJM76M0207

5.7

3.5

2.3

2.3

1.5

RJM77M0411

8.7

5.5

3.3

3.3

2.0

RJM77M0617

10.7

6.5

4.3

4.3

2.5

 

SMD表面贴装

 

防潮湿多层包装

低温度系数

高精度、高稳定度

可焊性极好的端子

采用蓝色或绿色涂料包封,色环标志,

编带包装或散装包装

 

SMD structure

Conformal multi-layer coating moisture proof                      

 

降功率曲线    DERATING  CURVE

Low TCR                                     

 

High precision, high stability

Excellent solderabiliy termination

Blue or green flame-retardant coating

Colour Code Taping Reel or Bulk

应用范围 APPLICATIONS

适用于电子仪器和仪表,设备,彩电、空调、

音响等电器

电子衡器

Electric instruments,equipments,TV,

audio, air-conditioning and other

electrical equipment

  Electronic weighing apparatus

 

执行标准 REFERENCE STANDARDS

GB/T 5729-2003

SJ/T 10571-1994

SJ/T 10572-1994

SJ/T 10573-1994

SJ/T 10574-1994

 

 

 

 


 

技术参数  TECHNICAL SPECIFICATIONS

型号

Type

额定功率(W)

Power Rating

最大工作电压

Max Working Voltage(V)

绝缘电压

Insulate Voltage(V)

阻值范围

Resistance Range(Ω)

电阻温度系数

(+25~85℃)

TCR(ppm/℃)

精度

Tolerances

额定功率

环境温度

Power Rating

Ambient Temperature

使用温度范围

Operating Temperature

RJM74P0204

0.25

250

350

0.1~2M

±5

±10

±15

±25

±50

±100

±0.05%

±0.1%

±0.25%

±0.5%

±1%

±5%

-55~70℃

-55~125℃

RJM75P0207

0.5

300

500

0.1~22M

RJM76M0207

1

350

500

0.1~22M

RJM77M0411

2

400

500

0.1~22M

RJM78M0617

3

500

500

0.1~22M

 

性能指标 PERFORMANCE

试验项目 Test ltem

性能要求 Specifications

试验变化 Test method

可焊性 Soldeability

≥95%

235±5℃   2±0.5s

短时过载 Short time overload

△R≤±(0.25%R+0.05Ω)

2.5VR ,    5s

温度冲击Thermal shock

△R≤±(0.2%R+0.05Ω)

-65~150℃,5cycles

耐焊接热 Leaching

△R≤±(0.1%R+0.05Ω)

260±10℃, 10±1s

耐湿Resistance to moisture

△R≤±(0.5%R+0.05Ω)

-10~65℃, RH>90%, 240H

70℃耐久性 Endurance at 70℃

△R≤±(1%R+0.1Ω)

70±2℃, PR1000H

 

订货示例 How To Order

例如Example

 

产品型号

Type

RJM74P

RJM75P

RJM76M

RJM77M

RJM78M

精度

Tolerance

W:±0.05%

B:±0.1%

C:±0.25%

D:±0.5%

F:±1%

J:±5%

包装方式

Pakaging

塑料袋plastic bags

编带tape

标称阻值

Nominal Value

1001=1KΩ

1122=11.2KΩ

1R00=1Ω

0R495=0.495Ω

1114=1.11MΩ

2205=22MΩ

温度系数

TCR

7:±5ppm

6:±10ppm

5:±15ppm

3:±25ppm

2:±50ppm

1:±100ppm

类型

Style

0204

0207

0411

0617

0204

7

1001

RJM74P

B

T

 

 

 

 

 

 

 

 

 

 

 

 

檔案下載:RJM系列SMD圆柱状表面贴片电阻器

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