The MGF4941CL from Mitsubishi Electric US, Inc. is a RF Transistor with Frequency DC to 25.2 GHz, Gain 7.5 to 10 dB, Noise Figure 2.4 to 3.8 dB, Supply Voltage 1.5 V, Storage Temperature -55 to 125 Degree C. Tags: Flanged. More details for MGF4941CL can be seen below.