1N5313CSM document number 3582 issue 1 semelab plc reserves the right to change test conditions, parameter limits and package dimensions without notice. information f urnished 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 omi ssions discovered in its use. semelab encourages customers to verify that datasheets are current before placing orders. semelab plc. telephone +44(0)1455 556565. fax +44(0)1455 552612. e-mail: sales@semelab.co.uk website: http://www.semelab.co.uk p tot power dissipation t amb = 25c derate above 25c t op maximum operating ambient temperature t stg storage temperature range r ja thermal resistance junction to ambient 400mw 3.2mw/c ?65 to +150c ?65 to +175c 312c/w mechanical data dimensions in mm(inches) 21 0.51 0.10 (0.02 0.004) 0.31 (0.012) 1.91 0.10 (0.075 0.004) 3.05 0.13 (0.12 0.005) 2.54 0.13 (0.10 0.005) 0.76 0.15 (0.03 0.006) 1.02 0.10 (0.04 0.004) 1.40 (0.055) max. a 0.31 (0.012) rad. rad. a = 3 voltage regulator diode in a ceramic surface mount package for hi?rel applications features hermetic ceramic surface mount package screening options available lcc1 package (sot23 compatible) absolute maximum ratings pad 1 ? anode pad 2 ? n/c pad 3 ? cathode parameter test conditions min. typ. max. units electrical characteristics (t a = 25 c unless otherwise stated) underside view v m ? v z zener voltage v l maximum limiting voltage z s * minimum dynamic impedance z k * minimum knee impedance i pinch (ma) @ v s = 25.0v i l = 0.8 i pinch(min) v s = 25.0v v k = 6.0v 3.87 4.30 4.73 2.75 0.245 0.014 * z s is dervived by superimposing a 90hz rms signal equal to 10% of v s onto v s . similarily, z k is dervived by superimposing a 90hz rms signal equal to 10% of v s onto v k .
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