t4 - lds - 0076 , rev . 3 (5/2 /13 ) ?201 3 microsemi corporation page 1 of 7 1n2804b C 1n2846r b and 1n4557b C 1n4564rb available on commercial versions 50 w att z ener d iodes qualified per mil - prf - 19500/114 qualified levels : jan, jantx, and jantxv description this series of high power 50w zener diodes, jedec registered 1 n2804b thr ough 1n2846b and 1n45 57 b thr ough 1n4564b , provide voltage regulation in v alues from 3 .9 v to 200 v broad range of voltages. they may be operated up to 50 w with adequate mounting and heat sinking d ue to their low thermal resistance. these zeners are also available in reverse polarity . on select part numbers, these zeners are also available in jan, jantx, and jantxv mil itary qualifications. to - 204a d (to - 3) package important: for the latest information, visit our website http://www.microsemi.com . features ? jedec registered in2804 thr ough 1n2846b and 1n45 57 thr o ugh 1n4564b numbers. ? internal solder bond construction . ? hermetically sealed (welded) . ? zener v oltage 3 .9 v to 200 v. ? jan, jantx, and jantxv qualifications also available per mil - prf - 19500/114 on m ost family members (s ee e lectrical c haracteristics table ). (s ee part n omenclature for all available options). ? standard polarity is anode to case . reverse polarity is available. ? rohs compliant versions available (commer cial grade only) . applications / benefits ? regulates voltage over a broad range of operating current and temperature. ? voltage tolerances of 10%, 5%, 2%, and 1% are available. ? non - sensitive to esd per mil - std - 750 m ethod 1020. ? inherently radiation hard as described in microsemi micronote 050 . maximum ratings msc C law rence 6 lake street, lawrence, ma 01841 tel: 1- 800 - 446 - 1158 or (978) 620 - 2600 fax: (978) 689 - 0803 msc C ireland gort road business park, ennis, co. clare, ireland tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: www.microsemi.co m parameters/test conditions symbol value unit junction temperature t j - 65 to +175 oc storage temperature t stg - 65 to + 200 oc thermal resistance junction to case @ t c = 30 oc 3 oc r ? jc 2.0 oc/w average rated power dissipation @ t c 75 oc p m(av ) 50 w power derating @ t c + 75 oc 0.5 w/ oc forward voltage @ i f = 10a v f 1.5 v solder temperature @ 10 s max t sp 260 o c downloaded from: http:///
t4 - lds - 0076 , rev . 3 (5/2 /13 ) ?201 3 microsemi corporation page 2 of 7 1n2804b C 1n2846r b and 1n4557b C 1n4564rb mechanical and packaging ? case: industry s tandard to - 3 ( to - 204ad), hermetically sealed, 0.052 inch diameter pins. ? finish: solder dipped tin - lead over nickel plated alloy 52 . s olderable per mil - std - 750 method 2026 . rohs compliant matte - tin plating is also available on commercial grade only. ? polarity: standard p olarity units are connected anode to case. reverse p olarity (ca thode to case) is indicated by suffix r. in either example, both pins are common with one another as anode or cathode (see f igure 2 ). ? weight: approximately 15 grams . ? mounting hardware: consult factory for optional insulator an d sheet metal screws . ? see p ackage d imensions on last page. part nomenclature jan 1n2804 r b e3 reliability level * jan = jan level jantx = jantx level jantxv = jantxv level blank = commercial *(on select part numbers) jedec type number (see electrical characteristics table) polarity r = reverse polarity (cathode to case ) blank = standard polarity (anode to case ) rohs compliance e3 = rohs compliant ( available on commercial grade only ) blank = non - rohs compliant zener voltage tolerance a = 10% b = 5% c = 2% d = 1% symbols & definitions symbol definition i r reverse current: the maximum reverse (leakage) current that will flow at the specified vol tage and te mperature. i z , i zt , i zk regulator current: the dc regulator current (i z ), at a specified test point (i zt ), near breakdown knee (i zk ). i zm maximum regulator (zener) current: the maximum rated dc current for the specified power rat ing. v r reverse voltage: the reverse voltage dc value, no alternating component. v f maximum forward voltage: the maximum forward voltage the device will exhibit at a specified current. v z zener voltage: the z ener voltage the device will exhibit at a specified current (i z ) in its breakdown region. z zt or z zk dynamic impedance: the small signal impedance of the diode when biased to operate in its break down region at a specified rms current modulation (typically 10% of i zt or i zk ) and superimposed on i zt or i zk respectively . downloaded from: http:///
t4 - lds - 0076 , rev . 3 (5/2 /13 ) ?201 3 microsemi corporation page 3 of 7 1n2804b C 1n2846r b and 1n4557b C 1n4564rb * electrical characteristics @ t c = 30c 3c unless otherwise noted jedec type number (note 1) nominal zener vol ta ge v z @ i zt zener test current (i zt ) maximum dynamic impedance (note 2) max dc zener current (i zm ) @ 75c stud temp . (note 3) typical temp erature coefficient vz max** reverse current i r @ v r z zt @ i zt z zk @ 1 ma (i zk ) volts ma o hms o hms ma % / oc a v olts ?1n45 57b ?1n45 58b ?1n45 59b ?1n4560b ?1n4561b ?1n4562b 1n4563b 1n4564b 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 3200 2900 2650 2450 2250 2000 1850 1650 0.16 0.16 0.12 0.12 0.12 0.14 0.16 0.24 400 500 600 650 900 1000 2 00 100 10,000 9,000 8,000 7,500 7,000 6,500 6,650 6,050 - 0.050 - 0.035 0.015 0.035 0.050 0.055 0.053 0.057 150 150 100 20 20 20 10 10 0.5 0.5 1.0 1 .0 1 .0 2 .0 2 .0 3 .0 ?1n2804b ?1n2805b ?1n2806b ?1n2807b ?1n2808b ?1n2809b 6.8 7.5 8.2 9.1 10 11 1850 1700 1500 1370 1200 1100 0.2 0.3 0.4 0.5 0.6 0.8 70 70 70 70 80 80 7,000 6,360 5,800 5,240 4,760 4,330 0.057 0.067 0.070 0.075 0.081 0.085 150 100 50 25 25 10 4.5 5 .0 5.4 6.1 6.7 8.4 ?1n2810b ?1n2811b 1n2812b ?1n2813b ?1n2814b 1n2815b 12 13 14 15 16 17 1000 960 890 830 780 740 1.0 1.1 1.2 1.4 1.6 1.8 80 80 80 80 80 80 3,970 3 ,750 3,400 3,1 70 2,9 70 2,750 0.079 0.080 0.070 0.082 0.083 0.075 10 10 10 10 10 10 9.1 9.9 10.6 11.4 12.2 13.0 ?1n2816b 1n2817b ?1n2818b ?1n2819b ?1n2820b 1n2821b 18 19 20 22 24 25 700 660 630 570 520 500 2.0 2.2 2.4 2.5 2.6 2.7 80 80 80 80 80 80 2,640 2,450 2,3 80 2,1 60 1,9 80 1,850 0.085 0.075 0.086 0.08 7 0.08 8 0.080 10 10 10 10 10 10 13.7 14.4 15.2 16.7 18.2 19 .0 ?1n2822b ?1n2823b ?1n2824b ?1n2825b ?1n2826b ?1n2827b 27 30 33 36 39 43 460 420 380 350 320 290 2.8 3.0 3.2 3.5 4.0 4.5 90 90 90 90 90 90 1,76 0 1,5 90 1,4 40 1,3 20 1,220 1,000 0.090 0.091 0.092 0.093 0.094 0.09 5 10 10 10 10 10 10 20.6 22.8 25.1 27.4 29. 7 32.7 1n2828b ?1n2829b 1n2830b ?1n2831b ?1n2832b ?1n2833b 45 47 50 51 56 62 280 270 250 245 220 200 4.5 5.0 5.0 5.2 6 7 100 100 100 100 110 120 1,030 1,020 935 930 8 50 7 70 0.090 0.09 5 0.090 0.09 6 0.096 0.09 7 10 10 10 10 10 10 34.2 35.8 38 .0 38. 8 42.6 47.1 ?1n2834b ?1n2835b ?1n2836b ?1n2837b ?1n2838b 1n2839b 68 75 82 91 100 105 180 170 150 140 120 120 8 9 11 15 20 25 140 150 160 180 200 210 700 64 0 58 0 53 0 48 0 430 0.09 7 0.09 8 0.09 8 0.09 9 0.100 0.090 10 10 10 10 10 10 51.7 56 .0 62.2 69.2 76 .0 79.8 ?1n2840b ?1n2841b ?1n2842b ?1n2843b ?1n2844b ?1n2845b ?1n2846b 110 120 130 150 160 180 200 110 100 95 85 80 68 65 30 40 50 75 80 90 100 220 240 275 400 450 525 600 43 0 400 370 320 300 26 0 24 0 0.100 0.100 0.100 0.100 0.100 0.100 0.100 10 10 10 10 10 10 10 83.6 91.2 98.8 114.0 121.6 136.8 152.0 * jedec registered data. **not jedec data. ? have jan, jantx and jantxv qualifications to mil - prf - 19500/114 see notes on following page. downloaded from: http:///
t4 - lds - 0076 , rev . 3 (5/2 /13 ) ?201 3 microsemi corporation page 4 of 7 1n2804b C 1n2846r b and 1n4557b C 1n4564rb notes : 1. the jedec type numbers shown (b suffix) have a +/ - 5 % tolerance on nominal z ener voltage. 2. zener v oltage (v z ) is measured with junction in thermal equilibrium with 30 c base temperature. the test currents (i zt ) have been selected so that at nominal voltages the dissipation is a constant 12.5 watts. this res ults in a nominal junction temperature rise of 18.75 c. 3. the z ener impedance is derived from the 60 cycle ac voltage, which results when an ac current h aving an rms value equal to 10% of the dc z ener current (i zt or i zk ) is superimposed on i zt or i zk . zener impedance is measured at 2 points to ensure a sharp knee on the breakdown curve and to eliminate unstable units. a curve showing the variation of z ener impedance vs. z ener current for six representative types is shown in figur e 3 . also see micronote 202 for further information. 4. the values of i zm are calculated for a +/ - 5 % tolerance on nominal z ener voltage. allowance has been made for the rise in z ener voltage above v zt that results from z ener impedance and the increase in junction temperature as power dissipation approaches 50 watts. in the case of individual diodes, i zm is that value of current that results in a dissipation of 50 watts. downloaded from: http:///
t4 - lds - 0076 , rev . 3 (5/2 /13 ) ?201 3 microsemi corporation page 5 of 7 1n2804b C 1n2846r b and 1n4557b C 1n4564rb graphs case temperature oc figure 1 power derating curve standard polarity (anode - to - case) reverse polarity (cathode to case) figure 2 typical circuit connections for anode - to - case and cathode - to - case polarities rated power dissipation - watts downloaded from: http:///
t4 - lds - 0076 , rev . 3 (5/2 /13 ) ?201 3 microsemi corporation page 6 of 7 1n2804b C 1n2846r b and 1n4557b C 1n4564rb graphs i z C milliamperes figure 3 typical zener impedance vs zener current for types shown i z C amps add units figure 4 typical zener impedance vs zener current for types shown z t C zener impedance z zt C zener impedance downloaded from: http:///
t4 - lds - 0076 , rev . 3 (5/2 /13 ) ?201 3 microsemi corporation page 7 of 7 1n2804b C 1n2846r b and 1n4557b C 1n4564rb package dimensions notes: 1. dimensions are in inches. millimeters are given for general information only. 2. these dimensions should be measured at points 0 .050 inch (1.27 mm) + 0 .005 inch (+0.13 mm) C0 .000 inch ( C 0.00 mm) below seating plane. 3. the seating plane of the header shall be flat within 0 .001 inch (0.03 mm) concave to 0 .004 inch (0.10 mm) convex 0 .001 inch (0.03 mm) concave to 0 .006 inch (0.15 mm) convex overall. 4. pins 1 and 2 are internally connected with an internal jumper. 5. devices with rb suffix (reverse polarity) have the cathode internally connected to the c ase. 6. in accordance with asme y14.5m, diameters are equivalent to x s ymbology. dimensions ltr inches millimeters notes min max min max cd - 0 .875 - 22.23 ch 0 .270 0 .380 6.86 9.65 hr 0 .495 0 .525 12.57 13.34 hr1 0 .131 0 .188 3.33 4.78 ht 0 .060 0 .135 1.52 3.43 ld 0 .048 0 .05 3 1.22 1.35 ll 0 .312 0 .500 7.92 12.70 l1 - 0 .050 - 1.27 mhd 0 .151 0 .165 3.84 4.19 mhs 1.177 1.197 29.90 30.40 ol 1.520 1.540 38.61 39.12 ow 0 .900 1.10 22.86 27.94 ps 0 .420 0 .440 10.67 11.18 2 ps1 0 .205 0 .225 5.21 5.72 2 s1 0 .655 0 .675 16.64 17.15 downloaded from: http:///
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