1、EXCELLENT PERFORMANCE: The rectifier diode features low leakage, forward pressure drop, efficient work and low power consumption, and is easy to use. 2、SEMICONDUCTOR MATERIAL: Made of premium semiconductor material, the rectifier diode has high electrical strength, fast switching speed, good heat dissipation and good current performance. 3、APPLICATION: The diode set is widely used in product development, student experiment, maintenance, production, etc. Suitable for household, office and industrial maintenance equipment and electrical appliances. 4、200PCS: There are 200 pieces diodes in the package of different models, you can use them respectively according to your actual needs. 5、EASY CARRYING: Comes with a small storage box, these rectifier diodes can be easily carried for convenient use.