BF259L Dimensions in mm (inches). 8.51 (0.34) 9.40 (0.37) Bipolar NPN Device in a Hermetically sealed TO5 Metal Package. 7.75 (0.305) 8.51 (0.335) 6.10 (0.240) 6.60 (0.260) 38.00 (1.5) min. Bipolar NPN Device. 0.89 max. (0.035) 0.41 (0.016) 0.53 (0.021) dia. VCEO = 300V 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 TO5 (TO205AA) 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