BF259 Dimensions in mm (inches). Bipolar NPN Device in a Hermetically sealed TO39 Metal Package. 8.51 (0.34) 9.40 (0.37) 7.75 (0.305) 8.51 (0.335) 6.10 (0.240) 6.60 (0.260) Bipolar NPN Device. 12.70 (0.500) min. 0.89 max. (0.035) VCEO = 300V 0.41 (0.016) 0.53 (0.021) dia. IC = 0.1A 5.08 (0.200) typ. All Semelab hermetically sealed products can be processed in accordance with the requirements of BS, CECC and JAN, JANTX, JANTXV and JANS specifications 2.54 (0.100) 2 1 3 0.74 (0.029) 1.14 (0.045) 0.71 (0.028) 0.86 (0.034) 45 TO39 (TO205AD) PINOUTS 1 - Emitter Parameter 2 - Base 3 - Collector Max. Units VCEO* 300 V IC(CONT) 0.1 A hFE Test Conditions @ 10/30m (VCE / IC) Min. Typ. 25 ft 90M PD Hz 0.8 W * Maximum Working Voltage This is a shortform datasheet. For a full datasheet please contact sales@semelab.co.uk. Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Generated 1-Aug-02