引线功率电感器

Leaded power lnductors

1· PK电感PK Inductor

1.1 设计特点Design Features

采用工字磁心开磁路构造设计，俗称工字型电感或PK电感，用 PVC 或 UL 热缩套管保护,有立式和卧式结构。Using an I-core with an open magnetic circuit structure design, commonly known as an I-core inductor or PK inductor, protected by PVC or UL heat-shrink tubing, available in vertical and horizontal configurations.

1.2 电性特点Electrical characteristics                                                     

● 开磁路构造设计 Open Magnetic Circuit Design

● 低成本及高可靠性 Low Cost and High Reliability

● 品质因素（Q值）好，自共振频率高，饱和电流大等优点。The advantages include a high quality factor (Q value), high self-resonant frequency, and large saturation current.

1.3 典型应用场景Typical Application Scenarios

基于其电气特性，该电感器特别适用于需要高效率、稳定高频性能和强功率处理能力的应用，包括：

Based on its electrical characteristics, this inductor is ideally suited for applications that demand high efficiency, stable high-frequency performance, and robust power handling, including:

● 高频滤波和信号调理：射频通信模块、宽带设备和开关电源等；

High-frequency filtering and signal conditioning in RF communication modules, broadband devices, and switching power supplies;

● 功率转换与电流稳定：汽车电子、工业驱动器和高密度功率电路等；

Power conversion and current stabilization in automotive electronics, industrial drivers, and high-density power circuits;

● 噪声抑制与电磁干扰降低：精密音视频设备、医疗设备和测量仪器等；

Noise suppression and EMI reduction in precision audio/video equipment, medical devices, and measurement instruments;

● 紧凑型高可靠性设计：对低漏磁、高自谐振频率和高性价比有严格要求的应用场合。

Compact and high-reliability designs where low magnetic leakage, high self-resonant frequency, and cost-effectiveness are critical.

1.4 结构与尺寸Structure and Dimensions

1.4.1 BDPK-A Structure

1.4.2 BDPK-B Structure

2· PQ电感Inductor

2.1 设计特点Design Features

采用工字磁心闭磁路构造设计，俗称工字型屏蔽电感或PQ电感。将成品PK-B型电感外围再套一磁杯而形成的闭合磁路电感。Using an I-core closed magnetic circuit structure design, commonly known as an I-core shielded inductor or PQ inductor. This refers to a closed magnetic circuit inductor formed by placing an additional magnetic cup around a finished PK-B type inductor.

2.2 电性特点Electrical characteristics

● 闭磁路构造设计使得产品漏磁小。The closed magnetic circuit design results in low magnetic flux leakage for the product.

● 低成本及高可靠性 Low Cost and High Reliability

●品质因素（Q值）好，自共振频率高，饱和电流大等优点。 The advantages include a high quality factor (Q value), high self-resonant frequency, and large saturation current.

2.3适用产品范围Scope of Applicable Products

本电感器广泛适用于各类电子设备，包括但不限于：通信与终端设备、计算机与办公设备、视听与家电设备、电源与电力设备以及其他电子设备：如汽车电子产品、数字设备、视频设备等。

This inductor is widely suitable for various types of electronic equipment, including but not limited to: communication and terminal devices, computer and office equipment, audio-visual and home appliance equipment, power and electrical equipment, as well as other electronic devices such as automotive electronics, digital equipment, and video equipment.

2.4 结构与尺寸Structure and Dimensions