BZM55C Series Surface Mount Zener Diodes P b Lead(Pb)-Free SMALL SIGNAL ZENER DIODES Features: *500mw Power Dissipation *General Purpose *Ideal for Surface Mountted Application 0.5 WATTS Mechanical Data: *Case : MICRO-MELF Glass Case *Weight : Approx 0.01g MICRO-MELF MICRO-MELF Outline Dimensions MICRO-MELF A 2.5 R≥ ass Gl Dim B C WEITRON http://www.weitron.com.tw Unit:mm 1/5 A B C Min 2.0 1.20 1.35 Max 1.8 1.30 1.35 12-Aug-05 WEITRON BZM55C Series Maximum Ratings and Electrical Characteristics (TA=25°C Unless Otherwise Noted) Symbol Value Unit Power Dissipation, RθJA≤300˚C/W PD 500 mW Z-Current IZ PD/VZ mA RθJA 500 ˚C/W Forward Voltage @ IF=200mA VF 1.5 V Operation Junction Temperature Range TJ 175 C TSTG -65 to+175 C Characteristics Thermal Resistance Junction to Ambient(1) Storage Temperature Range Note: 1.On pc board 50 mm x 50mm x 1.6mm WEITRON http://www.weitron.com.tw 2/5 15-Aug-05 WEITRON 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 (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 1) Tighter tolerances available request: BZM55A... ±1% OF VZnom BZM55B... ±2% OF VZnom BZM55F... ±3% OF VZnom 2) at Tj= 150 C WEITRON http://www.weitron.com.tw 3/5 15-Aug-05 WEITRON BZM55C Series 600 1.3 VZtn – Relative Voltage Change Ptot – Total Power Dissipation ( mW ) Characteristics(TA=25˚C unless otherwise specified) 500 400 300 200 100 0 0 40 80 120 160 VZtn=VZt/VZ(25°C) 1.2 TKVZ=10 1.1 TK VZ – Temperature Coefficient of VZ ( 10 –4 /K ) VZ – Voltage Change ( mV ) Tj = 25°C 100 IZ=5mA 10 10 15 20 10–4/K 10–4/K 0 60 120 10–4/K 180 240 Fig.2 Typical Change of Working Voltage vs. Junction Temperature 1000 5 4 2 Tj – Junction Temperature ( °C ) Fig.1 Total Power Dissipation vs. Ambient Temperature 0 10–4/K 10–4/K –4 0.9 Tamb – Ambient Temperature ( °C ) 1 8 6 0 –2 10–4/K 1.0 0.8 –60 200 10–4/K 25 VZ – Z-Voltage ( V ) Fig.3 Typical Change of Working Voltage under Operating Conditions at Tamb =25 C 15 10 5 IZ=5mA 0 –5 0 10 20 30 40 50 VZ – Z-Voltage ( V ) Fig.4 Temperature Coefficient of Vz vs. Z–Voltage C D – Diode Capacitance ( pF ) 200 150 VR = 2V Tj = 25°C 100 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 WEITRON 100 50 10 40 IZ – Z-Current ( mA ) IF – Forward Current ( mA ) BZM55C Series Tj = 25˚C 1 0.1 0.01 0.001 Ptot=500mW Tamb=25°C 30 20 10 0 0.2 0.4 0.6 0 1.0 0.8 15 20 25 35 30 VZ – Z-Voltage ( V ) VF – Forward Voltage ( V ) Figure 7. Z–Current vs. Z–Voltage Fig.6 Forward Current vs. Forward Voltage 100 80 r Z – Differential Z-Resistance ( IZ – Z-Current ( mA ) ) 1000 Ptot=500mW Tamb=25°C 60 40 20 0 0 4 8 12 IZ=1mA 100 5mA 10 10mA 1 20 16 Tj = 25°C 0 5 10 VZ – Z-Voltage ( V ) 20 25 VZ – Z-Voltage ( V ) Figure 9. Differential Z–Resistance vs. Z–Voltage Figure 8. Z–Current vs. Z–Voltage Z thp – Thermal Resistance for Pulse Cond. (˚C / W ) 15 1000 tp/T=0.5 100 tp/T=0.2 Single Pulse 10 tp/T=0.1 tp/T=0.02 tp/T=0.01 iZM=(–VZ+(VZ2+4rzj tp/T=0.05 1 0.1 RthJA=300˚C/W T=Tjmax–Tamb 1 10 T/Zthp)1/2)/(2rzj) 100 tp – Pulse Length ( ms ) Figure 10. Thermal Response WEITRON http://www.weitron.com.tw 5/5 15-Aug-05