ZMM5221B thru ZMM5262B Surface Mount Zener Diodes P b Lead(Pb)-Free SMALL SIGNAL ZENER DIODES Features: * 500mw Power Dissipation * General Purpose, Medium Current * Ideal for Surface Mountted Application 0.5 WATTS Mechanical Data: * Case : MINI-MELF Glass Case(SOD-80) * Weight : Approx 0.05 gram MINI-MELF MINI-MELF Outline Dimensions Unit:m m MINI MELF A B C WEITRON http://www.weitron.com.tw Dim A B C Min 3.30 1.30 0.28 Max 3.70 1.60 0.50 WEITRON ZMM5221B thru ZMM5262B Maximum Ratings and Electrical Characteristics (TA=25 C Unless Otherwise Noted) Symbol Characteristics Unit Value Power Dissipation TA=75 C (1) Thermal Resistance Junction to Ambient Air(1) Forward Voltage @ IF=200mA Operation and Storage Temperature Range mW R JA 500 300 VF 1.1 V Tj,TSTG -65 to+175 C PD NOTES:1.Valid Provided that Electrodes are Kept at Ambient Temperature. WEITRON http://www.weitron.com.tw C/W ZMM5221B thru ZMM5262B WE IT R ON Electrical Characteristics (TA=25 C unless otherwise noted, VF=1.1 V Max. @IF=200mA for all types) Max ,Reverse Leakage Current Zener Voltage(Note1) Part Number ZMM5221B ZMM5222B ZMM5223B ZMM5224B ZMM5225B ZMM5226B ZMM5227B ZMM5228B ZMM5229B ZMM5230B ZMM5231B ZMM5232B ZMM5233B ZMM5234B ZMM5235B ZMM5236B ZMM5237B ZMM5238B ZMM5239B ZMM5240B ZMM5241B ZMM5242B ZMM5243B ZMM5244B ZMM5245B ZMM5246B ZMM5247B ZMM5248B ZMM5249B ZMM5250B ZMM5251B ZMM5252B ZMM5253B ZMM5254B ZMM5255B ZMM5256B ZMM5257B ZMM5258B ZMM5259B ZMM5260B ZMM5261B ZMM5262B @IZT Vz Nom (V) 2.4 2.5 2.7 2.8 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 47 51 Min (V) 2.28 2.38 2.57 2.66 2.85 3.14 3.42 3.71 4.09 4.47 4.85 5.32 5.70 5.89 6.46 7.13 7.79 8.27 8.65 9.50 10.45 11.40 12.35 13.30 14.24 15.20 16.15 17.10 18.05 19.00 20.90 22.80 23.75 25.65 26.60 28.50 31.35 34.20 37.05 40.85 44.65 48.45 Max (V) 2.52 2.63 2.84 2.94 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.30 6.51 7.14 7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75 16.80 17.85 18.90 19.95 21.00 23.010 25.20 26.25 28.35 29.40 31.50 34.65 37.80 40.95 45.15 49.35 53.55 Max, Zener Impedance ZZT@IZT IR@VR WEITRON http://www.weitron.com.tw Tc (mA ) ( A) (V ) (W ) ( mA) %/C 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0 2.7 2.5 100 100 75 75 50 25 15 10 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 3.0 3.0 3.0 3.0 2.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 23 25 27 30 33 36 39 30 30 30 30 29 28 24 23 22 19 17 11 7.0 7.0 5.0 6.0 8.0 8.0 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 105 125 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0 2.7 2.5 -0.085 -0.085 -0.085 -0.085 -0.075 -0.070 -0.065 -0.060 -0.055 ±0.030 ±0.030 +0.038 +0.038 +0.045 +0.050 +0.058 +0.062 +0.065 +0.068 +0.075 +0.076 +0.077 +0.079 +0.082 +0.082 +0.083 +0.084 +0.085 +0.086 +0.086 +0.087 +0.087 +0.089 +0.090 +0.091 +0.091 +0.092 +0.093 +0.094 +0.095 +0.095 +0.096 1. Zener voltage is measured with a pulse test current Iz at an ambient temperture of 25 C 2. Zenner Voltage Tolerance Suffix "B" For 5% Typical Temperature Coefficient ZMM5221B thru ZMM5262B WE IT R ON Cj , JUNCTION CAPACITANCE(pF) PD,POWER DISSIPATION(mW) 500 400 300 200 100 0 0 40 80 120 160 200 200 VR=2.0V TJ=25 C 150 100 50 0 5 10 1000 Tj=25 C Iz=1.0 mA 100 5.0 mA 10 10 mA 1 0 5 10 15 20 25 VZ, ZENER VOLTAGE (V) r(t), NORMALIZED EFFECTIVE TRANSIENT THE RMAL RESISRTANCE ( C) FIG 3, DIFFERENTIAL ZENER IMPEDANCE 1000 100 R JA (1)=r(1) R JA R JA = 300K/W P(pk) 10 t1 D=0.5 0.2 0.1 0.05 0.02 0.01 1.0 0.1 t2 TJ-TA=Ppk R JA Duty Cycle, D=t1/t2 1.0 10 100 t1, SQUARE WAVE PULSE DURATION (seconds) Fig 4 ,Typical Normallzed Transient Thermal Impedance Curves WEITRON http//www.weitron.com.tw 15 20 Fig 2., Junction Capacitance vs Zener Voltage FIG 1, Power Dissipation vs Ambient Temperature DIFFERENTIAL ZENER RESISTANCE ( ) 0 VZ, ZENER VOLTAGE (V) TA, AMBIENT TEMPERATURE 1000 25