详细说明：

CL21-B为无感结构，用金属化聚酯膜作为电介质／电极卷绕而成，导线采用镀锡铜包钢线，使用环氧树脂密封在塑料殻中。

CL21-B are non-inductively wound with metallized polyester film as the dielectric/electrode with copper-clad steel leads and encapsulated in a plastic case sealed with epoxy resin.

---

特点 Features:
塑料外壳封装，外观一致性好
容量范围宽，体积小
自愈性好，寿命长
适用于直流和VHF级信号的隔直流、旁路和耦合
广泛用于滤波、降噪、低脉冲电路

Box type provides the indentical outer sppearance
Wide capacitance range, small size
Long life due to self-healing effect
Suitable for blocking, by-pass and coupling of DC and single to VHF range
Widely used in filter, noise suppression and low pulse circuits

---