This part is a kind of semiconductor called C3835.
Function of this product has 2SC3835.
Manufacturers : Allegro Micro Systems
Image and pinout :

Some of the text within the PDF file :
2SC3835 Application : Humidifier, DC-DC Converter, and General Purpose (Ta=25°C) 2SC3835 100max 100max 120min 70 to 220 0.5max 1.2max 30typ 110typ V MHz pF 20.0min 4.0max Silicon NPN Triple Diffused Planar Transistor (Switching Transistor) sAbsolute maximum ratings (Ta=25°C) Symbol VCBO VCEO VEBO IC IB PC Tj Tstg 2SC3835 200 120 8 7(Pulse14) 3 70(Tc=25°C) 150 –55 to +150 Unit V V V A A W °C °C sElectrical Characteristics Symbol ICBO IEBO V(BR)CEO hFE VCE(sat) VBE(sat) fT COB Conditions VCB=200V VEB=8V IC=50mA VCE=4V, IC=3A IC=3A, IB=0.3A IC=3A, IB=0.3A VCE=12V, IE=–0.5A VCB=10V, f=1MHz External Dimensions MT-100(TO3P) 5.0±0.2 15.6±0.4 9.6 2.0 1.8 4.8±0.2 2.0±0.1 Unit µA µA 19.9±0.3 V 4.0 a b ø3.2±0.1 V 2 3 1.05 +0.2 -0.1 0.65 +0.2 -0.1 1.4 [ ... ]
C3835 PDF Datasheet Download
