data sheet semiconductor http://www.yeashin.com 1 rev.02 20120305 zm47xxa series 1 watt d l-41 hermetically sealed glass zener voltage regulators absolute maximum ratings t a = 25c unless otherwise noted parameter value units storage temperature range -65 to +200 c maximum junction operating temperature +175 c total device dissipation 1.0 watt thermal resistance junction to ambient 170 c / w these ratings are limiting values above which the serviceability of the diode may be impaired. specification features: ? zener voltage range 3.3 to 56 volts ? d l-41 melf package (jedec do-213ab) ? surface mount devices (smd) ? hermetically sealed glass ? compression bonded construction ? all external surfaces are corrosion resistant and leads are readily solderable ? cathode indicated by polarity band electrical characteristics t a = 25c unless otherwise noted device type v z @ i zt (volts) nominal i zt (ma) z zt @ i zt ( ? ) max i zk (ma) z zk @ i zk ( ? ) max i r @ v r ( a) max v r (volts) ZM4728A 3.3 76 10 1 400 100 1 zm4729a 3.6 69 10 1 400 100 1 zm4730a 3.9 64 9 1 400 50 1 zm4731a 4.3 58 9 1 400 10 1 zm4732a 4.7 53 8 1 500 10 1 zm4733a 5.1 49 7 1 550 10 1 zm4734a 5.6 45 5 1 600 10 2 zm4735a 6.2 41 2 1 700 10 3 zm4736a 6.8 37 3.5 1 700 10 4 zm4737a 7.5 34 4 0.5 700 10 5 zm4738a 8.2 31 4.5 0.5 700 10 6 zm4739a 9.1 28 5 0.5 700 10 7 zm4740a 10 25 7 0.25 700 10 7.6 zm4741a 11 23 8 0.25 700 5 8.4 zm4742a 12 21 9 0.25 700 5 9.1 zm4743a 13 19 10 0.25 700 5 9.9 zm4744a 15 17 14 0.25 700 5 11.4 zm4745a 16 15.5 16 0.25 700 5 12.2 zm4746a 18 14 20 0.25 700 5 13.7 zm4747a 20 12.5 22 0.25 750 5 15.2 zm4748a 22 11.5 23 0.25 750 5 16.7 cathode anode electrical symbol surface mount d l-41 device marking diagram cathode band color: blue
http://www.yeashin.com 2 rev.02 20120305 zm47xxa series electrical characteristics t a = 25c unless otherwise noted device type v z @ i zt (volts) nominal i zt (ma) z zt @ i zt ( ? ) max i zk (ma) z zk @ i zk ( ? ) max i r @ v r ( a) max v r (volts) zm4749a 24 10.5 25 0.25 750 5 18.2 zm4750a 27 9.5 35 0.25 750 5 20.6 zm4751a 30 8.5 40 0.25 1000 5 22.8 zm4752a 33 7.5 45 0.25 1000 5 25.1 zm4753a 36 7 50 0.25 1000 5 27.4 zm4754a 39 6.5 60 0.25 1000 5 29.7 zm4755a 43 6 70 0.25 1500 5 32.7 zm4756a 47 5.5 80 0.25 1500 5 35.8 zm4757a 51 5 95 0.25 1500 5 38.8 zm4758a 56 4.5 110 0.25 2000 5 42.6 v f forward voltage = 1.2 v maximum @ i f = 200 ma for all types notes: 1. the device numbers listed have a standard tolerance on the nominal zener voltage of 5%. 2. for detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighte r 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. electrical symbol definition typical characteristics symbol parameter v z reverse zener voltage @ i zt i zt reverse current z zt maximum zener impedance @ i zt i zk reverse current z zk maximum zener impedance @ i zk i r reverse leakage current @ v r v r breakdown voltage i f forward current v f forward voltage @ i f v i (mv) (v) (ma) (ma) v f i f v r i r v z i zt (na)
http://www.yeashin.com 3 rev.02 20120305 zm47xxa series package outline & dimensions package outline package case outline d l- 41 melf d l- 41 melf millimeters inches dim min max min max a 4.80 5.20 0.189 0.205 b 2.39 2.66 0.094 0.105 c 0.41 0.55 0.016 0.022 notes: 1. all dimensions are within do-213ab jedec standard. 2. d l-41 melf polarity denoted by cathode band. b c a
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