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| BZM55C Series Surface Mount Zener Diodes P b Lead(Pb)-Free Features: *500mw Power Dissipation *General Purpose *Ideal for Surface Mountted Application SMALL SIGNAL ZENER DIODES 0.5 WATTS Mechanical Data: *Case : MICRO-MELF Glass Case *Weight : Approx 0.01g MICRO-MELF MICRO-MELF Outline Dimensions Unit:mm A B C MICRO-MELF Dim A B C Min 2.5 R ass Gl 2.0 1.20 1.35 Max 1.8 1.30 1.35 WEITRON http://www.weitron.com.tw 1/5 12-Aug-05 BZM55C Series Characteristics Power Dissipation, RJA300C/W Z-Current Thermal Resistance Junction to Ambient(1) Forward Voltage @ IF=200mA Operation Junction Temperature Range Storage Temperature Range Note: 1.On pc board 50 mm x 50mm x 1.6mm WEITRON Symbol PD IZ RJA VF TJ TSTG Maximum Ratings and Electrical Characteristics (TA=25C Unless Otherwise Noted) Value 500 PD/VZ 500 1.5 175 -65 to+175 Unit mW mA C/W V C C WEITRON http://www.weitron.com.tw 2/5 15-Aug-05 BZM55C Series Electrical Characteristics Type BZM55C... 2V4 2V7 3V0 3V3 3V6 3V9 4V3 4V7 5V1 5V6 6V2 6V8 7V5 8V2 9V1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 1) Tighter WEITRON (TA=25 C unless otherwise noted, VF=1.5 V Max. @IF=200mA for all types) VZnom IZT for V ZT and V mA V 1) 2.4 5 2.28 to 2.56 2.7 5 2.5 to 2.9 3.0 5 2.8 to 3.2 3.3 5 3.1 to 3.5 3.6 5 3.4 to 3.8 3.9 5 3.7 to 4.1 4.3 5 4.0 to 4.6 4.7 5 4.4 to 5.0 5.1 5 4.8 to 5.4 5.6 5 5.2 to 6.0 6.2 5 5.8 to 6.6 6.8 5 6.4 to 7.2 7.5 5 7.0 to 7.9 8.2 5 7.7 to 8.7 9.1 5 8.5 to 9.6 10 5 9.4 to 10.6 11 5 10.4 to 11.6 12 5 11.4 to 12.7 13 5 12.4 to 14.1 15 5 13.8 to 15.6 16 5 15.3 to 17.1 18 5 16.8 to 19.1 20 5 18.8 to 21.2 22 5 20.8 to 23.3 24 5 22.8 to 25.6 27 5 25.1 to 28.9 30 5 28 to 32 33 5 31 to 35 36 5 34 to 38 39 2.5 37 to 41 43 2.5 40 to 46 47 2.5 44 to 50 51 2.5 48 to 54 56 2.5 52 to 60 62 2.5 58 to 66 68 2.5 64 to 72 75 2.5 70 to 79 rzjT < 85 < 85 < 90 < 90 < 90 < 90 < 90 < 80 < 60 < 40 < 10 <8 <7 <7 < 10 < 15 < 20 < 20 < 26 < 30 < 40 < 50 < 55 < 55 < 80 < 80 < 80 < 80 < 80 < 90 < 90 < 110 < 125 < 135 < 150 < 200 < 250 rzjk at < 600 < 600 < 600 < 600 < 600 < 600 < 600 < 600 < 550 < 450 < 200 < 150 < 50 < 50 < 50 < 70 < 70 < 90 < 110 < 110 < 170 < 170 < 220 < 220 < 220 < 220 < 220 < 220 < 220 < 500 < 600 < 700 < 700 < 1000 < 1000 < 1000 < 1500 I ZK mA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 IR and A < 100 < 10 <4 <2 <2 <2 <1 < 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 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 < 0.1 I R at V R A 2) V < 50 1 < 50 1 < 40 1 < 40 1 < 40 1 < 40 1 < 20 1 < 10 1 <2 1 <2 1 <2 2 <2 3 <2 5 <2 6.2 <2 6.8 <2 7.5 <2 8.2 <2 9.1 <2 10 <2 11 <2 12 <2 13 <2 15 <2 16 <2 18 <2 20 <2 22 <2 24 <2 27 <5 30 <5 33 <5 36 < 10 39 < 10 43 < 10 47 < 10 51 < 10 56 TKVZ %/K -0.09 to -0.06 -0.09 to -0.06 -0.08 to -0.05 -0.08 to -0.05 -0.08 to -0.05 -0.08 to -0.05 -0.06 to -0.03 -0.05 to +0.02 -0.02 to +0.02 -0.05 to +0,05 0.03 to 0.06 0.03 to 0.07 0.03 to 0.07 0.03 to 0.08 0.03 to 0.09 0.03 to 0.1 0.03 to 0.11 0.03 to 0.11 0.03 to 0.11 0.03 to 0.11 0.03 to 0.11 0.03 to 0.11 0.03 to 0.11 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 0.04 to 0.12 tolerances available request: BZM55A... 1% OF VZnom BZM55B... 2% OF VZnom BZM55F... 3% OF VZnom at Tj= 150 C 2) WEITRON http://www.weitron.com.tw 3/5 15-Aug-05 BZM55C Series Characteristics(TA=25C unless otherwise specified) Ptot - Total Power Dissipation ( mW ) 600 500 400 300 200 100 0 VZtn - Relative Voltage Change 1.3 1.2 1.1 1.0 0.9 0.8 -60 VZtn=VZt/VZ(25C) TKVZ=10 WEITRON 10-4/K 8 6 4 2 10-4/K 10-4/K 10-4/K 10-4/K 0 -2 10-4/K -4 10-4/K 0 40 80 120 160 200 0 60 120 180 240 Tamb - Ambient Temperature ( C ) Tj - Junction Temperature ( C ) Fig.1 Total Power Dissipation vs. Ambient Temperature 1000 V - Voltage Change ( mV ) Z Fig.2 Typical Change of Working Voltage vs. Junction Temperature TK VZ - Temperature Coefficient of VZ ( 10 -4 /K ) 15 Tj = 25C 100 10 5 IZ=5mA 0 IZ=5mA 10 1 -5 0 5 10 15 20 25 0 10 20 30 40 50 VZ - Z-Voltage ( V ) VZ - Z-Voltage ( V ) Fig.3 Typical Change of Working Voltage under Operating Conditions at Tamb =25 C Fig.4 Temperature Coefficient of Vz vs. Z-Voltage 200 C D - Diode Capacitance ( pF ) 150 VR = 2V 100 Tj = 25C 50 0 0 5 10 15 20 25 VZ - Z-Voltage ( V ) Fig.5 Diode Capacitance vs. Z-Voltage WEITRON http://www.weitron.com.tw 4/5 15-Aug-05 BZM55C Series 100 IF - Forward Current ( mA ) 10 1 0.1 0.01 0.001 Tj = 25C 50 40 30 20 10 0 WEITRON 0 0.2 0.4 0.6 0.8 1.0 IZ - Z-Current ( mA ) Ptot=500mW Tamb=25C 15 20 25 30 35 Fig.6 Forward Current vs. Forward Voltage 100 80 60 40 20 0 r Z - Differential Z-Resistance ( ) VF - Forward Voltage ( V ) VZ - Z-Voltage ( V ) Figure 7. Z-Current vs. Z-Voltage 1000 IZ - Z-Current ( mA ) Ptot=500mW Tamb=25C IZ=1mA 100 5mA 10 10mA 0 4 8 12 16 20 1 Tj = 25C 0 5 10 15 20 25 VZ - Z-Voltage ( V ) VZ - Z-Voltage ( V ) Figure 8. Z-Current vs. Z-Voltage Z thp - Thermal Resistance for Pulse Cond. (C / W ) Figure 9. Differential Z-Resistance vs. Z-Voltage 1000 tp/T=0.5 100 tp/T=0.2 Single Pulse 10 tp/T=0.1 tp/T=0.05 1 0.1 1 10 tp - Pulse Length ( ms ) tp/T=0.02 tp/T=0.01 iZM=(-VZ+(VZ2+4rzj 100 RthJA=300C/W T=Tjmax-Tamb T/Zthp)1/2)/(2rzj) Figure 10. Thermal Response WEITRON http://www.weitron.com.tw 5/5 15-Aug-05 |
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