This part is a kind of semiconductor called A733.

Function of this product has PNP Epitaxial Silicon Transistor.

Manufacturers : Elite

Image and pinout :

Some of the text within the PDF file :

A733 PNP Epitaxial Silicon Transistor LOW FREQUENCY AMPLIFIER Collector-Emitter Voltage: VCEO=-50V Collector Dissipation: PC(max)=250mW Absolute Maximum Ratings (TA=25oC) Characteristic Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Dissipation Junction Temperature Storage Temperature Symbol VCBO VCEO VEBO IC PC TJ TSTG Rating -60 -50 -5 -150 250 150 -55~+150 Unit V V V mA mW o o C C Electrical Characteristics (TA=25oC) Characteristic Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage Collector Cut-off Current Emitter Cut-off Current DC Current Gain Collector-Emitter Saturation Voltage Transition Frequency Symbol BVCBO BVCEO BVEBO ICBO IEBO hFE VCE(sat) fT Test Conditions IC= -5µA, IE=0 [ ... ]

A733 PDF Datasheet Download