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. 1Low leakage and forward voltage drop, low power loss, high efficiency. 2There are total 90 pieces of diodes in 10 values in this set which will meet you basic needs. 3All diodes are well packed and assorted in a plastic box for convenient storage. 4There is a label on box so you can easily identify which type of diodes you need. 5This is a great assortment of diodes for electronic professionals or enthusiasts.