This part is a kind of semiconductor called 2SC1252.

Function of this product has 2SC1252.

Manufacturers : Advanced Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SC1252 NPN SILICON HIGH FREQUENCY TRANSISTOR DESCRIPTION: The 2SC1252 is a High Frequency Transistor, Designed for Wide Band Amplifier Applications up to 500 MHz. PACKAGE STYLE TO-39 FEATURES INCLUDE: • High Gain -17 dB Typ. @ 200 MHz • Low NF - 3.0 dB Typ. @ 200 MHz • Hermetic TO-39 Package MAXIMUM RATINGS IC VCB VCE PDISS TJ TSTG θJC 400 mA 45 V 25 V 5 W @ TC = 25 °C -65 to +200 °C -65 to +200 °C 35 °C/W 1 = Emitter 2 = Base 3 & 4 = Collector (Case) CHARACTERISTICS SYMBOL BVCEO BVCBO ICBO IEBO hFE ft COB GPE NF IC = 100 µA VCE = 30 V VEB = 2.0 V VCE = 10 V VCE = 15 V VCE = 15 V VCB = 15 V VCE = 15 V VCE = 15 V IC = 5.0 mA TC = 25 °C TEST CONDITIONS MINIMUM 25 45 TYPICAL MAXIMUM UNITS V V 100 500 IC = 50 mA IC = 15 mA IC = 70 mA f = 1.0 MHz IC = 50 mA IC = 30 mA [ ... ]

2SC1252 PDF Datasheet Download