elektronische bauelemente dl47xxa series 1w , melf surface mount zener diodes 15-dec-2011 rev. c page 1 of 3 rohs compliant product a suffix of ?-c? specifies halogen & lead-free features ? zener voltage range 3.3 to 56 volts ? melf package (jedec do-213ab) ? surface mount devices (smd) ? hermetically sealed glass ? compression bonded construction ? all external surfaces are corrosion resistant and terminals are readily solderable ? matte tin (sn) lead finish ? color band indicates negative polarity absolute maximum ratings (t a =25c unless otherwise specified) parameter symbol rating unit thermal resistance junction to ambient r ja 170 c / w power dissipation p d 1 w operating and storage temperature range t j , t stg 175, -65~200 c notes: 1. these ratings are limiting values above which the service ability of the diode may be impaired. melf b a c c millimete r ref. min. max. a 4.80 5.20 b 2.39 2.66 c 0.41 0.55
elektronische bauelemente dl47xxa series 1w , melf surface mount zener diodes 15-dec-2011 rev. c page 2 of 3 electrical ratings (t a =25c unless otherwise specified) notes: 1. the device numbers listed have a standard tole rance on the nominal zener voltage of 5%. 2. 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 . zener voltage range zener impedance leakage current v z @ i zt i zt z zt @ i zt i zk z zk @ i zk i r @ v r v r type number nom(v) ma ? (max) a(max) v dl4728a 3.3 76 10 1 400 100 1 dl4729a 3.6 69 10 1 400 100 1 dl4730a 3.9 64 9 1 400 50 1 dl4731a 4.3 58 9 1 400 10 1 dl4732a 4.7 53 8 1 500 10 1 dl4733a 5.1 49 7 1 550 10 1 dl4734a 5.6 45 5 1 600 10 2 dl4735a 6.2 41 2 1 700 10 3 dl4736a 6.8 37 3.5 1 700 10 4 dl4737a 7.5 34 4 0.5 700 10 5 dl4738a 8.2 31 4.5 0.5 700 10 6 dl4739a 9.1 28 5 0.5 700 10 7 dl4740a 10 25 7 0.25 700 10 7.6 dl4741a 11 23 8 0.25 700 5 8.4 dl4742a 12 21 9 0.25 700 5 9.1 dl4743a 13 19 10 0.25 700 5 9.9 dl4744a 15 17 14 0.25 700 5 11.4 dl4745a 16 15.5 16 0.25 700 5 12.2 dl4746a 18 14 20 0.25 700 5 13.7 dl4747a 20 12.5 22 0.25 750 5 15.2 dl4748a 22 11.5 23 0.25 750 5 16.7 dl4749a 24 10.5 25 0.25 750 5 18.2 dl4750a 27 9.5 35 0.25 750 5 20.6 DL4751A 30 8.5 40 0.25 1000 5 22.8 dl4752a 33 7.5 45 0.25 1000 5 25.1 dl4753a 36 7 50 0.25 1000 5 27.4 dl4754a 39 6.5 60 0.25 1000 5 29.7 dl4755a 43 6 70 0.25 1500 5 32.7 dl4756a 47 5.5 80 0.25 1500 5 35.8 dl4757a 51 5 95 0.25 1500 5 38.8 dl4758a 56 4.5 110 0.25 2000 5 42.6 v f forward voltage=1.2v maximum @ i f =200ma for all types
elektronische bauelemente dl47xxa series 1w , melf surface mount zener diodes 15-dec-2011 rev. c page 3 of 3 characteristic curves
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