These transistors are available in package styles TO-92, SOT23, SOT223 with different prefixes. The 2N3906 is a widely used PNP bipolar junction transistor meant for general-purpose low-power amplifying or switching applications. The 2N3904 (NPN) and 2N3906 (PNP) are complementary transistor pairs. Its transition frequency F t is 250 MHz, with a beta of at least 100. The 2N3906 is specified by a collector current of 200 mA, collector-base and collector-emitter voltages of 40 V, for power dissipation of 300 mW. When looking at the flat side with the leads pointed downward, the three leads emerging from the case are, from left to right, the emitter, base, and collector leads.
The 2N3906 is manufactured in a plastic TO-92 case. Both types were registered by Motorola Semiconductor in the mid-1960s.ĭevice packaging and specifications It is complementary to the 2N3904 NPN transistor.
It is designed for low electric current and power and medium voltage, and can operate at moderately high speeds. The 2N3906 is a commonly used PNP bipolar junction transistor intended for general purpose low-power amplifying or switching applications. The upper-left and lower-right quadrants are bonding pad areas where wires for two of the terminals are attached, and the other two quadrants have the actual transistor structures, in a bulk region that is contacted at the back side of the chip to the third terminal. Transistor - Diode Cross Reference - H.P. Photomicrograph of the transistor chip inside a 2N3906 transistor package, showing the conductive metal layers used to connect the semiconductor junctions to the package leads.
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