1、Low leakage and forward voltage drop, low power loss, high efficiency. 2、There are total 90 pieces of diodes in 10 values in this set which will meet you basic needs. 3、All diodes are well packed and assorted in a plastic box for convenient storage. 4、There is a label on box so you can easily identify which type of diodes you need. 5、This is a great assortment of diodes for electronic professionals or enthusiasts. Features: Low leakage and forward voltage drop, low power loss, high efficiency. There are total 90 pieces of diodes in 10 values in this set which will meet you basic needs. All diodes are well packed and assorted in a plastic box for convenient storage. There is a label on box so you can easily identify which type of diodes you need. This is a great assortment of diodes for electronic professionals or enthusiasts. Specification: Material: Germanium Type: Rectifier diode Operating Temperature: -55℃~+150℃ Power Consumption: 3W Pin Number: 2 Type & QTY: 1N4148  15PCS 1N4007  15PCS 1N5819  15PCS 1N5408  15PCS 1N5822   5PCS SR3100   5PCS SR5100   5PCS HER303   5PCS 6A10        5PCS 10A10      5PCS Weight: 85g / 3oz (approx.) Package list: 1 box * Diodes Note: Diodes are sorted manually, so there might be small mistakes on type and quantity. Thanks for your understanding.