They are commercial grade
D-Tap to Barrel Connections
isolating the microphone Perforated aluminum shield diffuses and prevents sound that might reflect back to microphone
Limited 1-Year Warranty with 1-Year Extension upon Registration
MULTICOMP TIP115 Bipolar (BJT) Single Transistor, Darlington, PNP, -60 V, 50 W, -2 A, 1000 hFE Zacuto LANC They are commercial gradeThis is a Bipolar (BJT) Single Transistor, Darlington, PNP, 60 V, 50 W, 2 A, 1000 hFE product from MULTICOMP with the model number TIP115Product details Power Dissipation Pd 50W DC Collector Current 2A Collector Emitter Voltage V(br)ceo 60V Transition Frequency ft Operating Temperature Max 150C Transistor Polarity PNP DC Current Gain hFE 1000hFE No. of Pins 3Pins Product Range Automotive Qualification Standard Transistor Case Style TO 220 MSL Other