data sheet semiconductor http://www.yeashin.com 1 rev.03 20 130403 bzx55c series 500 mw do-35 hermetically sealed glass zener voltage regulators maximum ratings (note 1) rating symbol value unit maximum steady state power dissipation @ t l 75c, lead length = 3/8? derate above 75c p d 500 4.0 mw mw/c operating and storage temperature range t j , t stg -65 to +200 c 1. some part number series have lower jedec registe red ratings. specification features ? zener voltage range = 2.4 v to 91 v ? esd rating of class 3 (>16 kv) per human body model ? do-35 package (do-204ah) ? double slug type construction ? metallurgical bonding mechanical characteristics case : double slug type, hermetically sealed glass finish : all external surfaces are corrosion resistant and leads are readily solderable. polarity : cathode indicated by polarity band mounting: any maximum lead temperature for soldering purposes 230c, 1/16? from the case for 10 seconds cathode anode 55c xxx bzx55cxxx = device code marking diagram axial lead do35 bzx
bzx55c series electrical characteristics (t a = 25oc unless otherwise noted. v f = 1.3 v max @ i f = 100ma for all types) symbol parameter v z reverse zener voltage @ i zt i zt reverse zener current z zt maximum zener impedance @ i zt i zm maximum dc zener current i r reverse leakage current @ v r v r reverse voltage i f forward current v f forward voltage @ i f electrical characteristics (t a = 25oc unless otherwise noted, v f = 1.3 v max @ i f = 100ma for all types) max reverse leakage current i r at v r v zt @ i zt (volts) (note 2.) max zener impedance (note 4) z zt @ i zt i zt t amb 25 c t amb 125 c v r i zm (note 3.) device device marking min max ( ? ) (ma) ( ? a) ( ? a) (volts) (ma) bzx55c2v4 55c2v4 2.28 2.56 85 5 50 100 1 155 bzx55c2v7 55c2v7 2.5 2.9 85 5 10 50 1 135 bzx55c3v0 55c3v0 2.8 3.2 85 5 4 40 1 125 bzx55c3v3 55c3v3 3.1 3.5 85 5 2 40 1 115 bzx55c3v6 55c3v6 3.4 3.8 85 5 2 40 1 105 bzx55c3v9 55c3v9 3.7 4.1 85 5 2 40 1 95 bzx55c4v3 55c4v3 4 4.6 75 5 1 20 1 90 bzx55c4v7 55c4v7 4.4 5 60 5 0.5 10 1 85 bzx55c5v1 55c5v1 4.8 5.4 35 5 0.1 c 1 80 bzx55c5v6 55c5v6 5.2 6 25 5 0.1 2 1 70 bzx55c6v2 55c6v2 5.8 6.6 10 5 0.1 2 2 64 bzx55c6v8 55c6v8 6.4 7.2 8 5 0.1 2 3 58 bzx55c7v5 55c7v5 7 7.9 7 5 0.1 2 5 53 bzx55c8v2 55c8v2 7.7 8.7 7 5 0.1 2 6 47 bzx55c9v1 55c9v1 8.5 9.6 10 5 0.1 2 7 43 bzx55c10 55c10 9.4 10.6 15 5 0.1 2 7.5 40 bzx55c11 55c11 10.4 11.6 20 5 0.1 2 8.5 36 bzx55c12 55c12 11.4 12.7 20 5 0.1 2 9 32 bzx55c13 55c13 12.4 14.1 26 5 0.1 2 10 29 bzx55c15 55c15 13.8 15.6 30 5 0.1 2 11 27 2. tolerance and voltage designation (v zt ) tolerance designation ? the type numbers listed have zener voltage min/max limits as shown. device tolerance of 2% are indicated by a ?b? instead of a ?c?. zener volt age is measured with the device junction thermal eq uilibrium at the temperature of 30 c 1 c and 3/8? lead length. 3. maximum zener current ratings (i zm ) this data was calculated using nominal voltages . the maximum current handling capability on a wors t case basis is limited by the actual zener voltage at the operation po int and the power derating curve. 4. zener impedance (z z ) derivation z zt and z zk are measured by dividing the ac voltage drop acros s the device by the ac current applied. the specifi ed limits are for i z(ac) = 0.1 i z(dc) with ac frequency = 60hz. http://www.yeashin.com 2 rev.03 20 130403
bzx55c series electrical characteristics (t a = 25oc unless otherwise noted, v f = 1.3 v max @ i f = 100ma for all types) max reverse leakage current i r at v r v zt @ i zt (volts) (note 5.) max zener impedance (note 7) z zt @ i zt i zt t amb 25 c t amb 125 c v r i zm (note 6.) device device marking min max ( ? ) (ma) ( ? a) ( ? a) (volts) (ma) bzx55c16 55c16 15.3 17.1 40 5 0.1 2 12 24 bzx55c18 55c18 16.8 19.1 50 5 0.1 2 14 21 bzx55c20 55c20 18.8 21.1 55 5 0.1 2 15 20 bzx55c22 55c22 20.8 23.3 55 5 0.1 2 17 18 bzx55c24 55c24 22.8 25.6 80 5 0.1 2 18 16 bzx55c27 55c27 25.1 28.9 80 5 0.1 2 20 14 bzx55c30 55c30 28 32 80 5 0.1 2 22 13 bzx55c33 55c33 31 35 80 5 0.1 2 24 12 bzx55c36 55c36 34 38 80 5 0.1 2 27 11 bzx55c39 55c39 37 41 90 2.5 0.1 5 28 10 bzx55c43 55c43 40 46 90 2.5 0.1 5 32 9.2 bzx55c47 55c47 44 50 110 2.5 0.1 5 35 8.5 bzx55c51 55c51 48 54 125 2.5 0.1 10 38 7.8 bzx55c56 55c56 52 60 135 2.5 0.1 10 42 7 bzx55c62 55c62 58 66 150 2.5 0.1 10 47 6.4 bzx55c68 55c68 64 72 160 2.5 0.1 10 51 5.9 bzx55c75 55c75 70 80 170 2.5 0.1 10 56 5.3 bzx55c82 55c82 77 87 200 2.5 0.1 10 62 4.8 BZX55C91 55c91 85 96 250 1 0.1 10 69 4.3 5. tolerance and voltage designation (v zt ) tolerance designation ? the type numbers listed have zener voltage min/max limits as shown. device tolerance of 2% are indicated by a ?b? instead of a ?c?. zener volt age is measured with the device junction thermal eq uilibrium at the temperature of 30 c 1 c and 3/8? lead length. 6. maximum zener current ratings (i zm ) this data was calculated using nominal voltages . the maximum current handling capability on a wors t case basis is limited by the actual zener voltage at the operation po int and the power derating curve. 7. zener impedance (z z ) derivation z zt and z zk are measured by dividing the ac voltage drop acros s the device by the ac current applied. the specifi ed limits are for i z(ac) = 0.1 i z(dc) with ac frequency = 60hz. http://www.yeashin.com 3 rev.03 20 130403
bzx55c series device characteristics 0.70.6 0.5 0.4 0.3 0.2 0.1 0 0 20 40 60 80 100 120 140 160 180 200 t l , lead temperature ( c) figure 1. steady state power derating heat sinks 3/8" 3/8" p d , maximum steady state power dissipation (watts) l l 500400 300 200 100 0 0 0.2 0.4 0.6 0.8 1 2.4-60 v 62-200 v l , lead length to heat sink (inch) jl, junction to lead thermal resistance ( c/w) figure 2. typical thermal resistance typical leakage current at 80% of nominal breakdown voltage +2 5 c +12 5 c 10007000 5000 2000 1000 700500 200 100 7050 20 10 75 2 1 0.70.5 0.2 0.1 0.070.05 0.02 0.01 0.0070.005 0.002 0.001 3 4 5 6 7 8 9 10 11 12 v z , nominal zener voltage (volts) i , leakage current ( a) r figure 3. typical leakage current 13 14 15 http://www.yeashin.com 4 rev.03 20 130403
bzx55c series device characteristics +12+10 +8+6 +4 +2 0 -2-4 8 9 v z , zener voltage (volts) figure 4a. range for units to 12 volts v z @ i zt (note 2) range temperature coefficients (-55 c to +150 c temperature range; 90% of the units are in the ranges indicated.) 100 7050 30 20 10 75 3 2 1 2 6 10 20 30 50 70 100 v z , zener voltage (volts) figure 4b. range for units 12 to 100 volts range v z @ i z (note 2) 120 130 140 150 160 170 180 190 200 200180 160 140 120 100 v z , zener voltage (volts) figure 4c. range for units 120 to 200 volts v z @ i zt (note 2) +6+4 +2 0 -2-4 3 4 v z , zener vo l tage (volts) figure 5. effect of zener current note: below 3 volts and above 8 vol ts note: changes in zener current do not note: affect temperature coefficients 1ma 0.01ma v z @ i z t a = 2 5 c 1000 c, cap acit ance (pf) 500200 100 5020 10 52 1 1 2 5 10 20 50 100 v z , zener voltage (volts) figure 6a. typical capacitance 2.4-100 volts t a = 25 c 0v bias 1v bias 50% of v z bias 100 7050 30 20 10 75 3 2 1 120 140 160 180 190 200 220 v z , zener voltage (volts) figure 6b. typical capacitance 120-200 volts t= 2 5 c 1 volt bias 50% of v bias 0 bias v z , tempera ture coefficient (mv/ c) 20ma c, cap acit ance (pf) v z , temperature coefficient (mv/ c) v z , temperature coefficient (mv/ c) v z , tempera ture coefficient (mv/ c) 3 4 5 7 10 11 12 5 6 7 8 http://www.yeashin.com 5 rev.03 20 130403
bzx55c series device characteristics 100 7050 30 20 10 75 3 2 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 p pk , peak surge power (watts) pw, pulse width (ms) 5% duty cycle 10% duty cycle 20% duty cycle 11v-91v nonrepetitive 1.8v-10v nonrepetitive rect angular waveform t j = 25 c prior to initial pulse figure 7a. maximum surge power 1.8-91 volts 1000 700500 300 200 100 7050 30 20 10 75 3 2 1 0.01 0.1 1 10 100 1000 p pk , peak surge power (watts) pw, pulse width (ms) figure 7b. maximum surge power do-35 100-200volts 1000 500200 100 5020 10 1 2 5 0.1 0.2 0.5 1 2 5 10 20 50 100 i z , zener current (ma) figure 8. effect of zener current on zener impedance z z , dynamic impedance (ohms) z z , dynamic impedance (ohms) 1000 700500 200 100 7050 20 10 75 2 1 1 2 3 5 7 10 20 30 50 70 100 v z , zener voltage (volts) figure 9. effect of zener voltage on zener impedance figure 10. t ypical forward characteristics rect angular waveform, tj = 25 c 100-200 vo l ts nonrepetitive t j = 2 5 c i z (rms) = 0.1 i z (dc) f = 60hz i z = 1ma 5ma 20ma t j = 2 5 c i z (rms) = 0.1 i z (dc) f = 60 hz v z = 2.7v 47v 27v 6.2v v f , for ward voltage (volts) 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1000 500200 100 5020 10 52 1 i f , for ward current (ma) minimum maximum 150 c 75 c 0 c 25 c http://www.yeashin.com 6 rev.03 20 130403
bzx55c series device characteristics figure 1 1. zener voltage versus zener current - v z = 1 thru 16 volts v z , zener voltage (volts) i z , zener current (ma) 2010 1 0.1 0.01 1 2 5 7 8 9 10 11 12 13 14 15 16 t a = 2 5 c figure 12. zener voltage versus zener current - v z = 15 thru 30 volts v z , zener vo l tage (vo l ts) 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 10 1 0.1 0.01 t a = 2 5 c i z , zener current (ma) 6 3 4 http://www.yeashin.com 7 rev.03 20 130403
bzx55c series device characteristics figure 13. zener voltage versus zener current - v z = 30 thru 105 volts v z , zener voltage (volts) 10 1 0.1 0.01 30 35 40 45 50 55 60 70 75 80 85 90 95 100 figure 14. zener voltage versus zener current - v z = 110 thru 220 volts v z , zener voltage (volts) 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 10 1 0.1 0.01 t a = 2 5 65 105 i z , zener current (ma) i z , zener current (ma) http://www.yeashin.com 8 rev.03 20 130403
bzx55c series package outline and dimensions 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. http://www.yeashin.com 9 rev.03 20 130403
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