描述
WIDAP UFW30.156 6K8J175W0823是一款高性能线绕电阻器，属于WIDAP公司的管状电阻器系列。以下是其核心参数与功能解析：
一、产品类型与结构
类型：管状线绕电阻器，采用陶瓷坯体作为基体，电阻绕组由铜镍或铬镍合金丝制成，确保高稳定性和耐用性。
封装形式：标准配置包括穿孔金属盖子、有机硅树脂表面处理及夹具，适用于高温或高振动环境。
二、关键参数
电阻值与公差
阻值：6.8 kΩ（6K8）
公差：J级（±5%），比标准K级（±10%）更严格，满足高精度测量需求。
功率与温度特性
额定功率：175 W，适用于高功率应用场景。
温度系数：+40 ppm至+80 ppm/℃（由型号编码0823推测），确保温度变化下阻值稳定性。
电气性能
表面温度：最高可达300°C，适用于高温环境。
介电强度：3 kV AC（50 Hz，1分钟），符合工业级安全标准。
三、应用场景
工业控制：适用于变频驱动器的制动电阻、电机保护电路及无功补偿系统。
能源领域：用于电力分配中的高功率电阻负载测试及能源管理。
铁路与交通：铁路牵引系统的动态电阻控制及信号处理。
测量技术：精密仪器中的高精度分压器或校准元件。
3ASC25H204 DAPU100
3ASC25H204 DAPU100
WIDAP UFW30.156 6K8J175W0823 is a high-performance wirewound resistor,which belongs to the tubular resistor series of WIDAP.The following is its core parameters and function analysis:
1.Product type and structure
Type:Tubular wirewound resistor,using ceramic blank as the substrate,the resistor winding is made of copper-nickel or chrome-nickel alloy wire to ensure high stability and durability.
Package form:Standard configuration includes perforated metal cover,silicone resin surface treatment and clamp,suitable for high temperature or high vibration environment.
2.Key parameters
Resistance value and tolerance
Resistance value:6.8 kΩ(6K8)
Tolerance:J grade(±5%),which is stricter than the standard K grade(±10%),meeting the needs of high-precision measurement.
Power and temperature characteristics
Rated power:175 W,suitable for high-power application scenarios.
Temperature coefficient:+40 ppm to+80 ppm/°C(inferred from model code 0823),ensuring resistance stability under temperature changes.
Electrical performance
Surface temperature:up to 300°C,suitable for high temperature environments.
Dielectric strength:3 kV AC(50 Hz,1 minute),in line with industrial safety standards.
III.Application scenarios
Industrial control:suitable for brake resistors,motor protection circuits and reactive power compensation systems for variable frequency drives.
Energy field:used for high-power resistive load testing and energy management in power distribution.
Railway and transportation:dynamic resistance control and signal processing of railway traction systems.
Measurement technology:high-precision voltage dividers or calibration elements in precision instruments.
