50 l7805 - lm317 three-terminal voltage regulator tube transistor classification suite* including 10 models, can satisfy your different needs* suitable for electronic professional or amateur* can be used as a control current basic semiconductor devices and non-contact switch* each transistor has clearly marked, convenient you to quickly identify what you need type of transistor* is equipped with a box, convenient storage and carry* number: 50 / sets* suite includes:5 PCS l78055 PCS l78065 PCS l78085 PCS l78095 PCS l78105 PCS l78125 PCS l78155 PCS l78185 PCS l78245 PCS lm317
