Continental Device India Limited An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company NPN SILICON HIGH VOLTAGE TRANSISTORS BF257, BF 258, BF259 TO-39 Metal Can Package INTENDED FOR VIDEO OUTPUT STAGES IN BLACK AND WHITE AND IN COLOUR TELEVISION REVEIVERS. ABSOLUTE MAXIMUM RATINGS (Ta=25ºC unless specified otherwise) DESCRIPTION SYMBOL VCEO Collector Emitter Voltage VCBO Collector Base Voltage Emitter Base Voltage Collector Current Continuous Peak Total Power Dissipation @ Ta=25ºC Derate Above 25ºC Total Power Dissipation@ Tc=25ºC Derate Above 25ºC Operating And Storage Junction Temperature Range THERMAL RESISTANCE Junction to Ambient Junction to Case BF258 250 BF259 300 UNITS V 160 250 300 V VEBO <----------------5----------------> V IC <-------------100---------------> mA ICM <------------300----------------> mA PD Tj, Tstg <------------1.0---------------> <---------------6.67-------------> <----------------7----------------> <---------------46.67-----------> <---------- -65 to +175------> W mW/ºC W mW/ºC ºC Rth(j-a) <----------------150--------------> ºC/W Rth(j-c) <----------------21.43-----------> ºC/W PD ELECTRICAL CHARACTERISTICS (Ta=25º C unless specified otherwise) DESCRIPTION SYMBOL TEST CONDITION IC=10mA,IB=0 BVCEO Collector Emitter Breakdown Voltage Collector Base Breakdown Voltage BVCBO IC =100µA, IE =0 Emitter Base Breakdown Voltage BVEBO IE=100µA, Ic=0 VCB=100V, IE=0 ICBO Collector Cut off Current BF257 160 BF257 >160 BF258 >250 BF259 >300 UNITS V >160 >250 >300 V >5 >5 5 V µA <0.05 VCB=200V, IE=0 VCB=250V, IE=0 DC Current Gain Collector Emitter Saturation Voltage DYNAMIC CHARACTERISTICS Transition Frequency hFE VCE(Sat) IC=30mA,VCE=10V IC=30mA,IB=6mA fT IC=15mA, VCE=10V f=100MHz TYP Ccb TYP *Pulse Test: Pulse Width <300µs, Duty Cycle <2% Collector Base Capacitance Continental Device India Limited µA <0.05 <0.05 ALL µA >25 <1 V 75 MHz 2.5 pF IE=0, VCB=30V,f=1MHz Data Sheet Page 1 of 3 BF257, BF 258, BF259 TO-39 Metal Can Package TO-39 Metal Can Package A DIM A B C D E F G H J K L K All dimensions are in mm E C B MIN MAX 8.50 9.39 7.74 8.50 6.09 6.60 0.40 0.53 — 0.88 2.41 2.66 4.82 5.33 0.71 0.86 0.73 1.02 12.70 — 42 DEG 48 DEG D G 2 PIN CONFIGURATION 1. EMITTER 2. BASE 3. COLLECTOR F 1 3 L H 3 J 2 1 Packing Detail PACKAGE TO-39 STANDARD PACK Details Net Weight/Qty 500 pcs/polybag 540 gm/500 pcs Continental Device India Limited INNER CARTON BOX Size Qty 3" x 7.5" x 7.5" 20K Data Sheet OUTER CARTON BOX Size Qty Gr Wt 17" x 15" x 13.5" 32K 40 kgs Page 2 of 3 Notes BF257, BF 258, BF259 TO-39 Metal Can Package Disclaimer The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to confirm that the Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and on the CDIL Web Site/CD is believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s). CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice. CDIL is a registered Trademark of Continental Device India Limited C-120 Naraina Industrial Area, New Delhi 110 028, India. Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290 e-mail [email protected] www.cdil.com BF257_259Rev180701 Continental Device India Limited Data Sheet Page 3 of 3