small signal product creat by art - zener voltage range 3.3 to 56 volts - ideal for automated placement - hermetically sealed glass - compression bonded construction - all external surfaces are corrosion resistant and leads are readily solderable - matte tin (sn) lead finish - blue color band indicates negative polarity - packing code with suffix "g" means halogen free symbol unit p d w r ja o c/w t j o c t stg o c note : these ratings are limiting values above which the serviceability of the diode may be impaired document number: ds_s1412003 version: c14 parameter value power dissipation 1 170 storage temperature range - 65 to +200 thermal resistance junction to ambient junction temperature range 175 zm4728a thru zm4758 a taiwan semiconductor hermeticall y sealed glass zener volta g e re g ulators features melf maximum ratings and electrical characteristics (t a =25 unless otherwise noted)
electrical characteristics ( t a = 25 o c unless otherwise noted ) 76 1.0 1.0 69 1.0 1.0 64 1.0 1.0 58 1.0 1.0 53 1.0 1.0 49 1.0 1.0 45 1.0 2.0 41 1.0 3.0 37 1.0 4.0 34 0.5 5.0 31 0.5 6.0 28 0.5 7.0 25 0.25 7.6 23 0.25 8.4 21 0.25 9.1 19 0.25 9.9 17 0.25 11.4 15.5 0.25 12.2 14.0 0.25 13.7 12.5 0.25 15.2 11.5 0.25 16.7 10.5 0.25 18.2 9.5 0.25 20.6 8.5 0.25 22.8 7.5 0.25 25.1 7.0 0.25 27.4 6.5 0.25 29.7 6.0 0.25 32.7 5.5 0.25 35.8 5.0 0.25 38.8 4.5 0.25 42.6 notes 1. the device numbers listed have a standard tolerance on the nomial zener voltage of 5%. 2. for detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighter voltage tolerances, contact your nearest taiwan semiconductor representative. 3. the zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current(i zt or i zk ) is superimposed to i zt or i zk . document number: ds_s1412003 version: c14 zm4728a zm4729a zm4730a zm4731a zm4732a 4.7 3.3 small signal product type number v z @ i zt (volts) nominal z zt @ i zt (ohm) max. zm4728a thru zm4758 a taiwan semiconductor i zk (ma) z zk @ i zk (ohm) v r (volts) i zt (ma) zm4733a zm4734a 7 5 3.6 3.9 8 zm4735a ZM4736A zm4737a zm4738a zm4739a zm4740a zm4741a zm4742a zm4743a zm4744a zm4752a zm4746a zm4747a zm4748a zm4753a zm4754a 4.3 zm4749a zm4750a zm4751a zm4745a 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 33 18 20 22 36 39 10 10 9 9 24 27 30 16 2 3.5 10 14 4.0 4.5 5.0 7.0 60 23 25 35 500 40 45 50 550 16 20 22 8.0 9.0 400 400 400 400 600 700 700 700 700 700 700 700 1000 750 750 750 1000 1000 1000 10 700 750 700 700 700 700 5.0 5.0 10 10 100 100 50 10 10 10 10 10 10 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 i r @ v r ( a) max. 5.0 5.0 5.0 5.0 5.0 10 zm4755a 43 70 1500 zm4756a 47 80 1500 zm4757a 51 95 1500 zm4758a 56 110 2000
part no. note 1: "xxx" defines voltage from 3.3v (zm4728a) to 56v (zm4758a) note 2: part no. suffix ?-xx ? would be used for special requirement part no. min max min max a 4.80 5.50 0.189 0.217 b 2.25 2.67 0.089 0.105 c 0.30 0.60 0.012 0.024 c g x x1 y document number: ds_s1412003 version: c14 g l0 -l0 zm4758a zm4758a-l0 l0g 6.30 0.248 0.059 package outline dimension dim. l0 5k / 13" reel 2.70 0.106 4.80 0.189 3.30 0.130 1.50 unit (mm) unit (inch) suggest pad layout dim. unit (mm) unit (inch) typ. typ. g l0 multiple manufacture source halogen free zm4758a zm4758a l0g packing code suffix package packing define manufacture source halogen free example preferred p/n part no. suffix packing code packing code suffix description zm47xxa (note1) gmelf -xx zm4728a thru zm4758 a taiwan semiconductor small signal product ordering information part no. suffix (note 2) packing code c b a
small signal product assumes no responsibility or liability for any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied,to any intellectual property rights is granted by this document. except as provided in tsc's terms and conditions of sale for such products, tsc assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of tsc products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or seling these products for use in such applications do so at their own risk and agree to fully indemnify tsc for any damages resulting from such improper use or sale. document number: ds_s1412003 version: c14 zm4728a thru zm4758 a taiwan semiconductor notice specifications of the products displayed herein are subject to change without notice. tsc or anyone on its behalf,
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