BF257CSM

BF257CSM Dimensions in mm (inches). 0.51 ± 0.10 (0.02 ± 0.004) 0.31 rad. (0.012) 2.54 ± 0.13 (0.10 ± 0.005) 3 2 1 1.91 ± 0.10 (0.075 ± 0.004) 3.05 ± 0.13 (0.12 ± 0.005) A= 0.76 ± 0.15 (0.03 ± 0.006) Bipolar NPN Device in a Hermetically sealed LCC1 Ceramic Surface Mount Package for High Reliability Applications 0.31 rad. (0.012) A 1.40 (0.055) max. Bipolar NPN Device. VCEO = 160V IC = 0.1A 1.02 ± 0.10 (0.04 ± 0.004) PINOUTS 1 – Base 2 – Emitter 3 - Collector All Semelab hermetically sealed products can be processed in accordance with the requirements of BS, CECC and JAN, JANTX, JANTXV and JANS specifications Parameter VCEO* IC(CONT) hFE ft PD Test Conditions Min. Typ. Max. 160 0.1 Units V A - @ 10/30m (VCE / IC) 25 90M 0.36 Hz 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 2-Aug-02