surface mount silicon zender diode 0 8/22 /2007 rev.1.00 www.siliconstandard.com 1 product summary 1.0 watts surface mount features for surface mounted applications in order to optimize board space low profile package built-in strain relief glass passivated junction low inductance typical ir less than 5.0ua above 11v high temperature soldering guaranteed: 260 c / 10 seconds at terminals plastic package has underwriters laboratory flammability classification 94v-0 mecanical data case: molded plastic over passivated junction terminals: pure tin plated lead free, solderable per mil-std-750, method 2025 polarity:color band denotes positive end (cathode) standard packaging: 12mm tape (eia-481) weight: 0.002 ounces, 0.064 gram maximum ratings and electrical characteristics (ratings at 25 o c ambient temperature unless otherwise specified.) type number symbol value units peak power dissipation at t a =50 o c, derate above 50 o c ( note 1 ) p d 1.0 6.67 watts mw/ o c peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) ( note 2 ) i fsm 10.0 amps operating and storage temperature range t j , t stg -55 to + 150 o c notes: 1. mounted on 5.0mm 2 (0.013mm thick) land areas. 2. measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum pb-free; rohs-compliant sma/do-214ac dimensions in inches and (millimeters) 1sma4741 thru 1sma200z free datasheet http://
0 8/22 /2007 rev.1.00 www.siliconstandard.com 2 electrical characteristics (ta=25 o c unless otherwise noted) vf=1.2v max, if=200ma for all types. device nominal zener voltage test surge current @ device marking v z @ i zt current t a = 25 o c (note 1) code voltage i zt z zt @ i zt ir - ma (notes 2 & 3) ma ohms ohms ma ua max volts (note 5) 1sma4741 741a 11 23 8 7 00 0.25 5.0 8 .4 414 1sma4742 742a 12 21 9 7 00 0.25 5.0 9 .1 380 1sma4743 743a 13 19 10 700 0 .25 5 .0 9.9 344 1sma4744 744a 15 17 14 700 0.25 5.0 11.4 304 1sma4745 745a 16 15.5 16 7 00 0.25 5.0 12.2 285 1sma4746 746a 18 14.0 20 7 50 0.25 5.0 13.7 250 1sma4747 747a 20 12.5 22 7 50 0.25 5.0 15.2 225 1sma4748 748a 22 11.5 23 7 50 0.25 5.0 16.7 205 1sma4749 749a 24 10.5 25 7 50 0.25 5.0 18.2 190 1sma4750 750a 27 9.5 35 7 50 0.25 5.0 20.6 170 1sma4751 751a 30 8.5 4 0 1 000 0 .25 5 .0 22.8 150 1sma4752 752a 33 7.5 4 5 1 000 0 .25 5 .0 25.1 135 1sma4753 753a 36 7.0 5 0 1 000 0 .25 5 .0 27.4 125 1sma4754 754a 39 6.5 6 0 1 000 0 .25 5 .0 29.7 115 1sma4755 755a 43 6.0 7 0 1 500 0 .25 5 .0 32.7 110 1sma4756 756a 47 5.5 8 0 1 500 0 .25 5 .0 35.8 95 1sma4757 757a 51 5.0 9 5 1 500 0 .25 5 .0 38.8 90 1sma4758 758a 56 4.5 110 2000 0.25 5.0 42.6 80 1sma4759 759a 62 4.0 125 2000 0.25 5.0 47.1 70 1sma4760 760a 68 3.7 150 2000 0.25 5.0 51.7 65 1sma4761 761a 75 3.3 175 2000 0.25 5.0 56.0 60 1sma4762 762a 82 3.0 200 3000 0.25 5.0 62.2 55 1sma4763 763a 91 2.8 250 3000 0.25 5.0 69.2 50 1sma4764 764a 100 2.5 350 3000 0.25 5.0 76.0 45 1SMA110Z 110a 110 2.3 450 4000 0.25 5.0 83.6 - 1sma120z 120a 120 2.0 550 4500 0.25 5.0 91.2 - 1sma130z 130a 130 1.9 700 5000 0.25 5.0 98.8 - 1sma150z 150a 150 1.7 1000 6000 0.25 5.0 114.0 - 1sma160z 160a 160 1.6 1100 6500 0.25 5.0 121.6 - 1sma180z 180a 180 1.4 1200 7000 0.25 5.0 136.8 - 1sma200z 200a 200 1.2 1500 8000 0.25 5.0 152.0 - notes: 1. tolerance and type number designation. th e type numbers listed have a standard tolerance on the nominal zener voltage of 5 %. 2. specials available include: a. nominal zener voltages between the volt ages shown and tighter voltage tolerances. b. matched sets. 3. zener voltage (vz) measurement. guarantees th e zener voltage when messured at 90 seconds while maintaining the lead temperature (tl) at 30 o c 1 o c, from the diode body. 4. zener impedance (zz) derivat ion. the zener impedance is derived from the 60 cycle ac voltage, which results when an ac current h aving and rms value equal to 10% of the dc zener current (izt or izk ) is superimposed on izt or izk. 5. surge current (ir) non-repetiti ve. the rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse s urge current of 1/2 square wave or equi valent sine wave pulse of 1/120 second duration superimposed on th e test current, izt, per jedec registr ation; however, act ual device capability is as described in figure 10. maximum zener impedance (note 4) leakage current z zk @ izk i r @ vr a. nominal zener voltages between the volt ages shown and tighter voltage tolerances. c 1 which results when an ac current having and rms value equal to 10% of the dc zener current (izt or izk ) is superimposed on izt or izk. non-repetitive, reverse surge current of 1/2 square wave or equi valent sine wave pulse of 1/120 second duration superimposed on th e test current, izt, per jedec registr ation; however, act ual device capability 1sma4741 thru 1sma200z free datasheet http://
08/22 /2007 rev.1.00 www.siliconstandard.com 3 fig.1- power tempera ture dera ting cur ve fig.2- typical for w ard characteristics fig.3- effect of zener current on zener impedance fig.5- typical leakage current fig.4- effect of zener vol t age on zener impedance p maximum power dissip a tion (w a tts) d , if , for w ard current (ma) ambient tempera ture( c) o v for w ard vol t age (vol ts) f , i, z zener current (ma) i, z zener current (ma) v, z nominal zener vol t age (vol ts) z , dynamic impedance (ohms) z ir, leakage current ( a) z , dynamic impedance (ohms) z 0 20 40 60 80 100 120 140 160 180 200 minimum maximum 70 c o 150 c o 25 c o 0c o 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1 2 5 10 20 50 100 200 500 1000 t = 25 c i (rms)= 0.1 i (dc) f = 1khz j zz o 47v 27v 0.8v 0.1 0.25 0.50 0.75 1.0 1.25 0.2 0.5 1 2 5 10 20 50 100 1 2 5 10 20 50 100 200 500 1000 1 t = 25 c i (rms)= 0.1 i (dc) f = 1khz j zz o i = 1.0ma z 5.0ma 20ma 2 3 5 7 10 20 30 50 70 100 1 2 5 7 10 20 50 70 100 200 500 700 1000 typical leakage current a t 80% of nominal breakdown vol t age +125 c o +25 c o 34 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 0.001 0.002 0.005 0.007 0.01 0.02 0.05 0.07 0.1 0.2 0.5 0.7 1 2 5 7 10 20 50 70 100 200 500 700 1000 2000 5000 7000 10000 0 ratings anad characteristic curves (1sma4741 thru 1sma200z) 1sma4741 thru 1sma200z free datasheet http://
1sma4741 thru 1sma200z 0 8/22 /2007 rev.1.00 www.siliconstandard.com 4 information furnished by silicon standard corporation is believed to be accurate and reliable. however, silicon standard corporation makes no guarantee or warranty, expressed or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its use. silicon standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including without limitation enhancement in reliability, functionality or design. no license is granted, whether expressly or by implication, in relation to the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of silicon standard corporation or any third parties. fig.6- typical cap acit ance versus vz fig.7- tempera ture coefficients fig.8- tempera ture coefficients fig.9- effect of zener current v , for w ard vol t age (vol ts) z v , zener vol t age (vol ts) z v , zener vol t age (vol ts) z v , zener vol t age (vol ts) z c, cap acit ance (pf) ov , tempera yure coefficient (mv/ c) z o ov , tempera yure coefficient (mv/ c) z o ov , tempera yure coefficient (mv/ c) z o 0v bias 1.0v bias 50% of breakdown bias 1 10 100 4 8 10 100 200 300 400 b-range for units 1 1 t o 100 vol ts v@ i zz t range 10 20 30 50 70 100 1 2 3 5 7 10 20 30 50 70 100 a-range for units t o 12 vol ts v@ i zz t range 23 4 5 6 7 8 9 10 1 1 12 -2.0 -4.0 0 +2.0 +4.0 +6.0 +8.0 +10 +12 v@ i tj=25 c zz t o 20ma 0.01ma 1.0ma note: below 3 vol ts and above a vol ts changes in zener current oo not affect tempera ture coefficients 34 5 6 7 8 -4.0 -2.0 0 +2.0 +4.0 +6.0 fig.10- maximum surge power ppk, peak surge power iw a ttso pw , pulse width (ms) rect angular w a veform tj = 25 c prior t o initial pulse o 1 1v -91v non-repetitive 0.8v -10v non-repetitive 5% duty cycle 10% duty cycle 20% duty cycle 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 2 3 5 7 10 20 30 50 70 100 ratings anad characteristic curves (1sma4741 thru 1sma200z) free datasheet http://
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