number: db-044 june 2008 / c page 1 semiconductor tak cheong ? 500 mw do-35 hermetically sealed glass zener voltage regulators absolute maximum ratings t a = 25c unless otherwise noted parameter value units power dissipation 500 mw storage temperature range -65 to +175 c operating junction temperature +175 c these ratings are limiting values above which the serviceability of the diode may be impaired. specification features: ? zener voltage range 2.4 to 75 volts ? do-35 package (jedec) ? through-hole device type mounting ? hermetically sealed glass ? compression bonded construction ? all external surfaces are corrosion resistant and leads are readily solderable ? rohs compliant ? solder hot dip tin (sn) terminal finish ? cathode indicated by polarity band electrical characteristics t a = 25c unless otherwise noted v z @ i zt (volts) device type min nom 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) tczl2v4b 2.35 2.4 2.45 5 94 1 564 45 1 tczl2v7b 2.65 2.7 2.75 5 94 1 564 18 1 tczl3v0b 2.94 3.0 3.06 5 89 1 564 9 1 tczl3v3b 3.23 3.3 3.37 5 89 1 564 4.5 1 tczl3v6b 3.53 3.6 3.67 5 84 1 564 4.5 1 tczl3v9b 3.82 3.9 3.98 5 84 1 564 2.7 1 tczl4v3b 4.21 4.3 4.39 5 84 1 564 2.7 1 tczl4v7b 4.61 4.7 4.79 5 75 1 470 2.7 2 tczl5v1b 5.00 5.1 5.20 5 56 1 451 1.8 2 tczl5v6b 5.49 5.6 5.71 5 37 1 376 0.9 2 tczl6v2b 6.08 6.2 6.32 5 9 1 141 2.7 4 tczl6v8b 6.66 6.8 6.94 5 14 1 75 1.8 4 tczl7v5b 7.33 7.5 7.63 5 14 1 75 0.9 5 tczl8v2b 8.04 8.2 8.36 5 14 1 75 0.63 5 tczl9v1b 8.92 9.1 9.28 5 14 1 94 0.45 6 tczl10b 9.80 10 10.20 5 18 1 141 0.18 7 tczl11b 10.78 11 11.22 5 18 1 141 0.09 8 tczl12b 11.76 12 12.24 5 23 1 141 0.09 8 tczl13b 12.74 13 13.26 5 28 1 160 0.09 8 tczl15b 14.70 15 15.30 5 28 1 188 0.045 10.5 tczl16b 15.68 16 16.32 5 37 1 188 0.045 11.2 cathode anode electrical symbol tczl2v4b through tczl75b l zlx xxt device marking diagram l : logo device code : tczlxxxt vz tolerance (t) : b = 2% c = 5% axial lead do35
number: db-044 june 2008 / c page 2 semiconductor tak cheong ? electrical characteristics t a = 25c unless otherwise noted v z @ i zt (volts) device type min nom 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) tczl18b 17.64 18 18.36 5 42 1 212 0.045 12.6 tczl20b 19.60 20 20.40 5 51 1 212 0.045 14.0 tczl22b 21.56 22 22.44 5 51 1 235 0.045 15.4 tczl24b 23.52 24 24.48 5 65 1 235 0.045 16.8 tczl27b 26.46 27 27.54 5 75 0.5 282 0.045 18.9 tczl30b 29.40 30 30.60 5 75 0.5 282 0.045 21.0 tczl33b 32.34 33 33.66 5 75 0.5 306 0.045 23.0 tczl36b 35.28 36 36.72 5 84 0.5 329 0.045 25.2 tczl39b 38.22 39 39.78 5 122 0.5 329 0.045 27.3 tczl43b 42.14 43 43.86 5 141 0.5 353 0.045 30.1 tczl47b 46.06 47 47.94 5 160 0.5 353 0.045 33.0 tczl51b 49.98 51 52.02 5 169 0.5 376 0.045 35.7 tczl56b 54.88 56 57.12 5 188 0.5 400 0.045 39.2 tczl62b 60.76 62 63.24 5 202 0.5 423 0.045 43.4 tczl68b 66.64 68 69.36 5 226 0.5 447 0.045 47.6 tczl75b 73.50 75 76.50 5 240 0.5 470 0.045 52.5 v f forward voltage = 1 v maximum @ i f = 100 ma for all types notes: 1. tolerance and voltage designation the type numbers listed have zener voltage as shown and have a standard tolerance on the nominal zener voltage of 2%. device tolerance of 5% is indicated by a ?c? instead of a ?b?. 2. specials available include nominal zener voltages between the voltages shown and tighter voltage, for detailed information on price, availability and deli very, contact you nearest tak cheong representative. 3. zener voltage (v z ) measurement the zener voltage is measured under pulse conditions such that t j is no more than 2 above t a . 4. zener impedance (z z ) derivation zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to 10% of t he dc zener current ( i zt ) is superimposed to i zt .
number: db-044 june 2008 / c page 3 semiconductor tak cheong ? typical characteristics 0 100 200 300 400 500 600 0 40 80 120 160 200 temperature [ ] pd-power passipation [mw] ta = 25 0.1 1 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 vf - forward voltage [mv] forward current [ma] pd = 500mw ta = 25 0 50 100 150 200 250 300 0246810 vz - reverse voltage [v] reverse current [ma] pd = 500mw ta = 25 0.01 0.1 1 10 100 15 25 35 45 55 65 75 vz - reverse voltage [v] reverse current [ma] f = 1mhz ta = 25 1 10 100 1000 0 20406080 vz - reverse voltage [v] total capacitance [pf] vr = 0v vr = 2v vr = 5v vr = 20v vr = 30v ta = 25 0.1 1 10 100 1000 110100 vz - reverse voltage [v] differential zener impedance [ ? ] iz=10ma iz=5ma iz=2ma iz=1ma figure 1. power dissipation vs ambient temperature valid provided leads at a distance of 0.8mm from case are kept at ambient temperature figure 2. total capacitance figure 5. reverse current vs. reverse voltage figure 6. reverse current vs. reverse voltage figure 3. differential impedance vs. zener voltage figure 4. forward current vs. forward voltage
number: db-044 june 2008 / c page 4 semiconductor tak cheong ? package outline package case outline do-35 do-35 millimeters inches dim min max min max a 0.46 0.55 0.018 0.022 b 3.05 5.08 0.120 0.200 c 25.40 38.10 1.000 1.500 d 1.53 2.28 0.060 0.090 notes: 1. all dimensions are within jedec standard. 2. do35 polarity denoted by cathode band.
number: db-100 april 14, 2008 / a disclaimer notice tak cheong ? notice the information presented in this document is for reference only. tak cheong reserves the right to make changes without notice for the specification of the products displayed herein. the product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used with equipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controlle rs and other safety devices), tak cheong semiconductor co., ltd., or anyone on its behalf, assumes no responsi bility or liability for any damagers resulting from such improper use of sale. this publication supersedes & replaces all information reviously supplied. for additional information, please visit our website http://www.takcheong.com , or consult your nearest tak cheong?s sales office for further assistance.
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