ll4620~ll4125 features small surface mounting type high reliability low curren t operation at 250ua applications voltage stabilization absolute maximum ratings t j =25 parameter test conditions type symbol value unit power dissipation r thja Q 300k/w p v 500 mw z-current i z p v /v z ma junction temperature t j 175 storage temperature range t stg -65~+175 stresses exceeding maximum ratings may damage the device. maximu m ratings are stress ratings on ly. functional operation above t he recommended operating conditions is not implied. extended expo sure to stresses above the recommended operating conditions may affect device reliability. electrical characteristics t j =25 parameter test conditions type symbol min typ max unit forward voltage i f =200ma v f 1.1 v fast switching surface mount diode mini melf dimension in millimeters http://www.luguang.cn mail:lge@luguang.cn
ll4620~ll4125 nominal zener voltage v z @ i zt 1) te s t current i zt maximum zener impedance z zt @ i zt 2) maximum leakage current i r @ v r maximum noise density impedance n d @ i zt 2) maximum zener curr e nt i zm 3) maximum temp coeff. of zener voltage vz type no. v a ? a v v hz ma %/ ll4620 3.3 250 1650 7.5 1.5 1 85 -0.075 ll4621 3.6 250 1700 7.5 2 1 83 -0.065 ll4622 3.9 250 1650 5.0 2 1 80 -0.060 ll4623 4.3 250 1600 4.0 2 1 77 -0.050 ll4624 4.7 250 1550 10.0 3 1 75 -0.05~0.02 ll4625 5.1 250 1500 10.0 3 2 70 -0.045~0.03 ll4626 5.6 250 1400 10.0 4 4 65 -0.02~0.04 ll4627 6.2 250 1200 10.0 5 5 61 -0.01~0.05 ll4099 6.8 250 200 10.0 5.17 40 56 0.06 ll4100 7.5 250 200 10.0 5.70 40 51 0.065 LL4101 8.2 250 200 1.0 6.24 40 46 0.070 ll4102 8.7 250 200 1.0 6.61 40 44 0.075 ll4103 9.1 250 200 1.0 6.92 40 42 0.080 ll4104 10 250 200 1.0 7.60 40 38 0.080 ll4105 11 250 200 0.05 8.44 40 35 0.080 ll4106 12 250 200 0.05 9.12 40 32 0.080 ll4107 13 250 200 0.05 9.87 40 29 0.080 ll4108 14 250 200 0.05 10.65 40 27 0.085 ll4109 15 250 100 0.05 11.40 40 25 0.085 ll4110 16 250 100 0.05 12.15 40 24 0.085 ll4111 17 250 100 0.05 12.92 40 22 0.090 ll4112 18 250 100 0.05 13.67 40 21 0.090 ll4113 19 250 150 0.05 14.44 40 20 0.090 ll4114 20 250 150 0.01 15.20 40 19 0.090 ll4115 22 250 150 0.01 16.72 40 17 0.090 ll4116 24 250 150 0.01 18.25 40 16 0.090 ll4117 25 250 150 0.01 19.00 40 15 0.090 ll4118 27 250 150 0.01 20.45 40 14 0.090 ll4119 28 250 200 0.01 21.28 40 14 0.095 ll4120 30 250 200 0.01 22.80 40 13 0.095 ll4121 33 250 200 0.01 25.08 40 12 0.095 ll4122 36 250 200 0.01 27.38 40 11 0.095 ll4123 39 250 200 0.01 29.65 40 9.8 0.095 ll4124 43 250 250 0.01 32.65 40 8.9 0.095 ll4125 47 250 250 0.01 35.75 40 8.1 0.095 1) the type numbers shown above have a standard tolerance of 5% on the nominal zener voltage. also available in 2% and 1% tolerance, suffix c and d respectively. vz is measured with the diode in thermal equilibrium in 25 still air. 2) zener impedance is derived by superimposing on i zt , a 60hz rms a.c. current equal to 10% of i zt (25ua a.c.) 3) based upon 400 mw maximum power dissipation at 75 lead temperature, allowance has been made for the higher voltage associated with operation at higher currents. http://www.luguang.cn mail:lge@luguang.cn
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