may 2008 release, revision b page 1 tak cheon g ? semiconductor 200mw sod-323 surface mount small outline flat lead plastic package zener voltage regulators green product absolute maximum ratings t a = 25c unless otherwise noted symbol parameter value units p d power dissipation 200 mw t stg storage temperature range -65 to +150 c t opr operating temperature range -65 to +150 c these ratings are limiting values above which th e serviceability of the diode may be impaired. specification features: ? zener voltage range selection, 2.4v to 36v ? flat lead sod-323 small outline plastic package ? surface device type mounting ? rohs compliant ? green emc ? matte tin(sn) lead finish ? band indicates cathode electrical characteristics t a = 25c unless otherwise noted v z @ i zt (volts) device type device marking min max 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) udzs2v4bw d= 2.43 2.63 5 100 0.5 1000 120 1 udzs2v7bw d 2.69 2.91 5 110 0.5 1000 100 1 udzs3v0bw d> 3.01 3.22 5 120 0.5 1000 50 1 udzs3v3bw d< 3.32 3.53 5 120 0.5 1000 20 1 udzs3v6bw d0 3.60 3.85 5 90 1 600 4.5 1 udzs3v9bw d1 3.89 4.16 5 90 1 600 2.7 1 udzs4v3bw d2 4.17 4.43 5 90 1 600 2.7 1 udzs4v7bw d3 4.55 4.75 5 80 1 500 2.7 2 udzs5v1bw d4 4.98 5.20 5 60 1 500 1.8 2 udzs5v6bw d5 5.49 5.73 5 40 1 300 0.9 2 udzs6v2bw d6 6.06 6.33 5 40 1 150 2.7 4 udzs6v8bw d7 6.65 6.93 5 30 1 75 1.8 4 udzs7v5bw d8 7.28 7.60 5 30 1 75 0.9 5 udzs8v2bw d9 8.02 8.36 5 30 1 75 0.63 5 udzs9v1bw da 8.85 9.23 5 30 1 90 0.45 6 udzs10vbw db 9.77 10.21 5 20 1 150 0.18 7 UDZS11VBW dc 10.76 11.22 5 20 1 150 0.09 8 udzs12vbw de 11.74 12.24 5 20 1 150 0.09 8 udzs13vbw df 12.91 13.49 5 40 1 160 0.09 8 udzs15vbw dg 14.34 14.98 5 40 1 190 0.045 10.5 udzs16vbw dh 15.85 16.51 5 40 1 190 0.045 11.2 udzs18vbw dj 17.56 18.35 5 50 1 220 0.045 12.6 electrical symbol udzs2v4bw through udzs36vbw cathode anode sod-323 flat lead
may 2008 release, revision b page 2 tak cheon g ? semiconductor electrical characteristics t a = 25c unless otherwise noted v z @ i zt (volts) device type device marking min max 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) udzs20vbw dk 19.52 20.39 5 60 1 220 0.045 14.0 udzs22vbw dl 21.54 22.47 5 80 1 240 0.045 15.4 udzs24vbw dm 23.72 24.78 5 80 1 240 0.045 16.8 udzs27vbw dn 26.19 27.53 5 100 0.5 300 0.045 18.9 udzs30vbw dp 29.19 30.69 5 100 0.5 300 0.045 21.0 udzs33vbw dr 32.15 33.79 5 100 0.5 310 0.045 23.0 udzs36vbw ds 35.07 36.87 5 100 0.5 330 0.045 25.2 v f forward voltage = 1 v maximum @ i f = 10 ma for all types notes: 1. the zener voltage ( v z ) is tested under pulse condition of 10ms. 2. for detailed information on price, ava ilability and delivery of nominal zener vo ltages between the voltages shown and tighte r voltage tolerances, contact your neares t tak cheong electronics 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.
may 2008 release, revision b page 3 tak cheon g ? semiconductor sod-323 package outline note: the above package outline is similar to jeita sc-90. this datasheet presents technical data of tak cheong?s zener diodes . complete specifications fo r the individual devices are provided in the form of datasheets. a comprehensive selector gu ide is included to simplify the task of choosing the best set of components required for a specific applicat ion. for additional informat ion, please visit our webs ite http://www.takcheong.com . although information in this datasheet has been carefully checked, no responsibility for the inaccuracies can be assumed by tak cheong. please consult your nearest tak cheong? s sales office for further assistance. tak cheong reserves the right to make changes without further notice to any products herein to further improve reliability, function or design, cost and productivity. and are registered tradem arks of tak cheong electronics (holdings) co., ltd. tak cheong ?
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