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汤晶晶：19007525295
吴文兰：18129526839
李白莲：18129546115
RTP200
功率型厚膜无感电阻器
Power Type Thick Film Non Inductive Resistor
产品特点Product Features
1.电阻器的高度在端子面极低，为11.8mm，端子为铜板衬套可直接用M4 螺钉安装。
The height of the resistor is extremely low on the terminal surface, at 11.8mm, and the terminal is a copper plate bushing that can be directly installed with M4 screws.
2.SOT-227 标准封装.。SOT-227 standard packaging
3.可以用2 个M4 螺钉简单地安装。It can be easily installed with 2 M4 screws.
4.阻值范围宽、体积小、功率大、耐热性好。Wide resistance range, small size, high power, good heat resistance
5.端子的数量标准为4 个，可以变更为2 个、3 个。The standard quantity of terminals is 4, which can be changed to 2 or 3.
应用范围Application Scope
主要应用于变速驱动器、供电、控制设备、通讯、自动控制、发动机控制等。适合逆变器电路、脉冲电路、高频电路。
Mainly used in variable speed drives, power supply, control equipment, communication, automatic control,engine control, etc. Suitable for inverter circuits, pulse circuits, and high-frequency circuits.
降功率曲线图Derating Curve
性能参数Performance Parameter
|
额定功率 Rated power |
阻值范围 Resistance range |
阻值允许偏差 Resistance Tolerance |
电阻温度系数 Temperature coefficient （PPM/℃） |
[敏感词]工作电压 Maximum working voltage |
耐电压 Withstanding voltage |
|
200W |
0.1Ω-1MΩ |
±1% 、?% ±5% 、?0% |
±50、?00、?50 |
500VDC |
4000VDC |
性能指标Performance Evaluation
|
试验项目 |
试验条件 |
性能指标 |
|
温度快速变化 |
-55℃～+155℃，经五次循环；极限温度暴露时间： -55 ℃ to+155 ℃, after five cycles; Extreme temperature exposure time: 30 minutes; Conversion time: 1-2 minutes |
电阻器应无可见损伤且标志清楚 △R≤±（0.5%R+0.05Ω） |
|
温度系数 Temperature coefficient |
-55℃～+155℃ |
TCR 在±150X10-6/K 之内 TCR within ± 150X10-6/K |
|
绝缘电阻 Insulation resistance |
正常气候条件下，在电阻器的金属散热板与引出端之间测试绝缘电阻，
Under normal weather conditions, test the insulation resistance between the metal heat dissipation plate of the resistor and the lead out terminal, with a test voltage (DC) |
绝缘电阻应≥10GΩ
The insulation resistance should be |
|
过载 Overload |
施加额定功率 2 倍的直流电压（Us≤1.5Umax） 时间为 5 秒 Apply a DC voltage of twice the rated power (Us ≤ 1.5 Umax) for 5 seconds |
电阻器应无可见损伤且标志清楚 △R≤±（0.5%R+0.05Ω） |
|
稳态湿热 Damp heat steady state |
温度：40±2℃；湿度 95%；时间：56 天 Temperature: 40 ± 2 ℃; Humidity of 95%; Time: 56 days |
电阻器应无可见损伤且标志清楚 △R≤±（0.5%R+0.05Ω） |
|
寿命 Life |
施加电压：额定功率直流电压（UR≤U max） 1.5 小时通电，0.5 小时断电，总时长 1000 小时 Applied voltage: rated power DC voltage (UR ≤ U max), powered on for 1.5 hours, powered off for 0.5 hours, total duration 1000 hours |
电阻器应无可见损伤且标志清楚 △R≤±（0.5%R+0.05Ω） |
|
耐电压 Withstanding voltage |
施加交流有效值电压 4000V，时间为 1 分钟±5 秒 Apply an effective AC voltage of 4000V for 1 minute ± 5 seconds |
电阻器无击穿或飞弧现象，漏电流 ≤10mA The resistor has no breakdown or arcing phenomenon, and the leakage current is ≤ 10mA |
|
振动 Vibrate |
按 GB/T2423.10-2019 要求进行试验，振动频率为 10Hz,振幅0.35mm， Conduct the test according to the requirements of GB/T2423.10-2019, with a vibration frequency of 10Hz, amplitude of 0.35mm, acceleration of 50m/s ², 2 frequency scans in each direction, 3 directions, and a duration of 23 minutes in each direction |
电阻器塑封体应无机械损伤，阻值变化在±2%R+0.05Ω之内 The plastic casing of the resistor should have no mechanical damage, and the resistance change should be within ± 2% R+0.05 Ω |
规格参数Specification Parameter
电路结构图Circuit Structure Digram
选型示例Selection Example:RTP200-3-10RJ
|
产品类型 Product type |
功率 Power |
电路结构 Circuit |
阻值 Resistance |
精度 Accuracy |
|
3R9=3.9Ω |
F： ±1% |
|||
|
RTP |
200 Watts |
Number 3 |
10R=10Ω |
G： ±2% |
|
20K=20KΩ |
J： ±5% |
|||
|
K： ±10% |
注意事项Points for attention
1.电阻器通过M4 螺丝安装在散热器上，螺丝安装扭矩为2N.m，应确保产品安装紧固，无晃动。另外应为螺丝配套防松组件，如：平垫、弹垫、防松螺母等。
The resistor is installed on the heat sink with M4 screws, and the installation torque of the screws is 2N. m. It should be ensured that the product is installed firmly without shaking. In addition, screws should be equipped with anti loosening components such as flat washers, spring washers, anti loosening nuts, etc.
2.电阻器引出端电气安装使用的是M4 螺丝，螺丝安装扭矩为1.3N.m，应确保电气连接紧固，无晃动。另外应为螺丝配套防松组件，如：平垫、弹垫等，防止振动造成电气连接松脱。
M4 screws are used for the electrical installation of the resistor lead out end, with a torque of 1.3N. m. It should be ensured that the electrical connection is tight and there is no shaking. In addition, screws should be equipped with anti loosening components, such as flat washers, spring washers, etc., to prevent electrical connections from loosening due to vibration.
3.电阻器与安装面之间需要均匀的涂覆一层导热硅脂，推荐使用导热系数1W/mK 的导热硅脂产品。
A uniform layer of thermal grease should be applied between the resistor and the installation surface. It is recommended to use thermal grease products with a thermal conductivity of 1W/mK.
4.产品在贮存期间，应贮存在环境温度为-10℃～+45℃，相对湿度不大于85% ，通风、干燥、周围无酸碱或其他有害物质的仓库内。
During storage, the product should be stored in a warehouse with an ambient temperature of -10 ℃ to+45 ℃, a relative humidity of no more than 85%, ventilation, dryness, and no acidic, alkaline, or other harmful substances around it.
E-mail:twj@twjohm.com
