C4977 PDF datasheet can download.
This product has 2SC4977 functions.
This is one of the semiconductor types. This part name is C4977.
Manufacturers of the product is ETC.
Image and pinout :
Some of the text files within the PDF file
INCHANGE Semiconductor isc Product Specification isc Silicon NPN Power Transistor 2SC4977 DESCRIPTION ·Collector-Emitter Sustaining Voltage: VCEO(SUS)= 400V(Min) ·Fast Switching Speed ·Collector-Emitter Saturation Voltage: VCE(sat)= 0.8V(Max.)@ IC= 4.0A APPLICATIONS ·Designed for use in high-voltage, high-speed , power switching in inductive circuit , they are particularly suited for 115 and 220V switchmode applications such as switching regulator’s, inverters, DC-DC converter. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL VCBO VCEO VEBO IC ICM IB PC TJ Tstg PARAMETER Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current-Continuous Collector Current-Peak Base Current-Continuous Collector Power Dissipation @ TC=25℃ Junction Temperature Storage Temperature Range VALUE 450 400 8 7 14 2 40 150 -55~150 UNIT V V V A A A W ℃ ℃ THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAMETER Thermal Resistance,Junction to Case MAX 3.125 UNIT ℃/W isc Website�� [ … ]
Please refer to the file for details.