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  iso 9001 certified rev b 5/07/99 8700 e. thomas road scottsdale, az 85251 tel: (480) 941-6300 fax: (480) 947-1503 smaj5283 thru smaj5314 dimensions inches millimeters dim min max min max *a .052 .103 1.32 2.62 *b .160 .180 4.06 4.57 c .100 .110 2.54 2.79 d .194 .216 4.93 5.49 e .078 .115 1.98 2.92 f .030 .060 0.76 1.52 g -- .005 -- 0.13 note * indicates maximum dimension is larger than standard jedec call out. features: ? surface-mount equivalent to 1n5283 thru 1n5314 series ? popular sma package do-214ac outline-small and rugged ? nominal current regulation 0.22 to 4.70 ma ? broad operating voltage ? constructed with an oxide passivated all diffused die ? good thermal dissipation for current regulation maximum ratings: ? operating and storage temperature: -55 c to +150 c ? dc power dissipation: 600mw @ t l 135 c ? power derating: 40mw/ c @ t l > 135 c ? peak operating voltage: 100 volts mechanical characteristics ? case: do-214ac ? terminals: leads tin plated ? thermal resistance: 25 c/w ? polarity: cathode indicated by a band ? packaging: standard 12 mm tape 2500 per 13 inch reel see (eia standard rs-481) ? weight 0.1 gram current regulator diodes anode cathode pov z k @ v k vl @ il i p & z s @ reverse forwar revers forwar -2.0 -1.0 0 20 40 60 80 90 100 120 140 5.0 4.0 3.0 2.0 1.0 0 -20 -40 -60 -80 -100 v a k ? anode cathode voltage (volts) typical current regulator characteristics
iso 9001 certified rev b 5/07/99 regulator current i p (ma)@vs = 25v part number nom min max minimum dynamic impedanc e @v s =25v z s (m ? ) ( note 1 ) minimum knee impedance @v k = 6.0v z k (m ? ) ( note 2 ) maximum limiting voltage @i l = 0.8 i p (min) v l (volts) smaj5283 0.22 0.198 0.242 25.0 2.75 1.00 smaj5284 0.24 0.216 0.264 19.0 2.35 1.00 smaj5285 0.27 0.243 0.297 14.0 1.95 1.00 smaj5286 0.30 0.270 0.330 9.0 1.60 1.00 smaj5287 0.33 0.297 0.363 6.6 1.35 1.00 smaj5288 0.39 0.351 0.429 4.10 1.00 1.05 smaj5289 0.43 0.387 0.473 3.30 0.870 1.05 smaj5290 0.47 0.423 0.517 2.70 0.750 1.05 smaj5291 0.56 0.504 0.616 1.90 0.560 1.10 smaj5292 0.62 0.558 0.682 1.55 0.470 1.13 smaj5293 0.68 0.612 0.74 8 1.35 0.400 1/15 smaj5294 0.75 0.675 0.825 1.15 0.335 1.20 smaj5295 0.82 0.738 0.902 1.00 0.290 1.25 smaj5296 0.91 0.819 1.001 0.880 0.240 1.29 smaj5297 1.00 0.900 1.100 0.800 0.205 1.35 smaj5298 1.10 0.990 1.210 0.700 0.180 1.40 smaj5299 1.20 1.06 1.32 0.640 0.155 1.45 smaj5300 1.30 1.17 1.43 0.580 0.135 1.50 smaj5301 1.40 1.26 1.54 o.540 0.115 1.55 smaj5302 1.50 1.35 1.65 0.510 0.105 1.60 smaj5303 1.60 1.44 1.76 0.475 0.092 1.65 SMAJ5304 1.80 1.62 1.98 0.420 0.074 1.75 smaj5305 2.00 1.80 2.20 0.395 0.061 1.85 smaj5306 2.20 1.98 2.42 0.370 0.052 1.95 smaj5307 2.40 2.16 2.64 0.345 0.044 2.00 smaj5308 2.70 2.43 2.97 0.320 0.035 2.15 smaj5309 3.00 2.70 3.30 0.300 0.029 2.25 smaj5310 3.30 2.97 3.63 0.280 0.024 2.35 smaj5311 3.60 3.24 3.96 0.265 0.020 2.50 smaj5312 3.90 3.51 4.29 0.255 0.017 2.60 smaj5313 4.30 3.87 4.73 0.245 0.014 2.75 smaj5314 4.70 4.23 5.17 0.235 0.012 2.90 smaj5283 thru smaj5314 electrical characteristics @ tl=30c note 1 : z s is measured by superimposing a 90 hz rms signal to 10% of v s on v s . note 2 : z k is derived by superimposing a 90 hz rms signal to 10% of v k on v k .
iso 9001 certified rev b 5/07/99 smaj5283 thru smaj5314 typical forward characteristics temperature coefficient temperature coefficient symbols and definitions i d diode current i l limiting current 80% of i p minimum used to determine limiting voltage, v l is current temperature coefficient. v ak anode to cathode voltage i p pinch-off current: regulator current at specified test voltage, v s . i p is some times identified as i s pov peak operating voltage: maximum voltage to be applied to the device. v k knee impedance test voltage: specified voltage used to establish knee impedance v l limiting voltage: measured at i l , v l , together with knee ac impedance, z k , indicates the knee characteristic of the device v s test voltage: voltage at which i p and z s are specified z k knee ac impedance at test voltage: to test z k a 90hz signal v k with rms value equal to 10% of test voltage v k is superimposed on v k : z k = v k /i k where i k is the resultant ac current due to v k . to provide the most constant current from the diode, z k should be as high as possible, therefore, a minimum value of z k is specified. z s ac impedance at test voltage: specified as a minimum value. to test for z s , a 90 hz signal v s with rms value equal to 10% of test voltage, v s is superimposed on v s : z s = v s /i s where i s is the current due to v s . 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10.0 20 30 50 70 100 v a k anode- cathode voltage ( volts ) 10 7 5 3 2 1 0.7 0.5 0.3 0.2 0.1 0.2 0.3 0.4 0.5 0.7 1.0 2.0 3.0 4.0 5.0 i p nominal pinch - off current (ma ) 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 1.0 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 0.2 0.3 0.4 0.5 0.7 1.0 2.0 3.0 4.0 5.0 i p nominal pinch-off current ( ma ) id forward diode current (ma) is - temperature coefficient ( %/c ) is - temperature coefficient ( %/c ) t j = 25 c v sm = 100v (data obtained from pulse testing) t j = +25 c to +150 c v ak = 25v ? i p = is i p(nom) ? t j /100 t j = -55 c to +25 c v ak = 25v ? i p = is i p(nom) ? t j /100 range range typical typical smaj5313 smaj5309 smaj5305 smaj5298 smaj5290


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