Surface Mount Zener Diode BZT52C Series ● Electrical Characteristics @ TA=25℃ unless otherwise specified Type Number Marking Code Zener Voltage Range (Note 2) Min V 2.2 2.5 2.8 3.1 3.4 3.7 4.0 4.4 4.8 5.2 5.8 6.4 7.0 7.7 8.5 9.4 10.4 11.4 12.4 13.8 15.3 16.8 18.8 20.8 22.8 25.1 28.0 31.0 34.0 37.0 40.0 44.0 48.0 VZ Nom V 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 Max V 2.6 2.9 3.2 3.5 3.8 4.1 4.6 5.0 5.4 6.0 6.6 7.2 7.9 8.7 9.6 10.6 11.6 12.7 14.1 15.6 17.1 19.1 21.2 23.3 25.6 28.9 32.0 35.0 38.0 41.0 46.0 50.0 54.0 @IZT mA 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2 2 2 2 2 5 5 5 Maximum Zener Impedance (Note 3) ZZT@IZT Ω 100 100 95 95 90 90 90 80 60 40 10 15 15 15 15 20 20 25 30 30 40 45 55 55 70 80 80 80 90 130 100 100 100 ZZK@IZK Ω mA 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 500 1.0 480 1.0 400 1.0 150 1.0 80 1.0 80 1.0 80 1.0 100 1.0 150 1.0 150 1.0 150 1.0 170 1.0 200 1.0 200 1.0 225 1.0 225 1.0 250 1.0 250 1.0 300 0.5 300 0.5 325 0.5 350 0.5 350 0.5 700 1.0 750 1.0 750 1.0 BZT52C2V4 WX BZT52C2V7 W1 BZT52C3V0 W2 BZT52C3V3 W3 BZT52C3V6 W4 BZT52C3V9 W5 BZT52C4V3 W6 BZT52C4V7 W7 BZT52C5V1 W8 BZT52C5V6 W9 BZT52C6V2 WA BZT52C6V8 WB BZT52C7V5 WC BZT52C8V2 WD BZT52C9V1 WE BZT52C10 WF BZT52C11 WG BZT52C12 WH BZT52C13 WI BZT52C15 WJ BZT52C16 WK BZT52C18 WL BZT52C20 WM BZT52C22 WN BZT52C24 WO BZT52C27 WP BZT52C30 WQ BZT52C33 WR BZT52C36 WS BZT52C39 WT BZT52C43 WU BZT52C47 WV BZT52C51 WW Notes: 1. Valid provided that device terminals are keep at ambient temperature 2. Test with pulses. period = 5 ms, pulse width = 300 µA 3. f = 1 K Hz 500mW, SOD-123 Temperature Maximum Coefficient of Reverse Zener Voltage Current @ IZT = 5 mA (Note 2) mV / ℃ IR VR µA V Min Max 50 1.0 -3.5 0 20 1.0 -3.5 0 10 1.0 -3.5 0 5 1.0 -3.5 0 5 1.0 -3.5 0 3 1.0 -3.5 0 3 1.0 -3.5 0 3 2.0 -3.5 0.2 2 2.0 -2.7 1.2 1 2.0 -2.0 2.5 3 4.0 0.4 3.7 2 4.0 1.2 4.5 1 5.0 2.5 5.3 0.7 5.0 3.2 6.2 0.5 6.0 3.8 7.0 0.2 7.0 4.5 8.0 0.1 8.0 5.4 9.0 0.1 8.0 6.0 10.0 0.1 8.0 7.0 11.0 0.1 10.5 9.2 13.0 0.1 11.2 10.4 14.0 0.1 12.6 12.4 16.0 0.1 14.0 14.4 18.0 0.1 15.4 16.4 20.0 0.1 16.8 18.4 22.0 0.1 18.9 21.4 25.3 0.1 21.0 24.4 29.4 0.1 23.1 27.4 33.4 0.1 25.2 30.4 37.4 0.1 27.3 33.4 41.2 0.1 32.0 10.0 12.0 0.1 35.0 10.0 12.0 0.1 38.0 10.0 12.0 ● Maximum Ratings @ TA=25℃ unless otherwise specified Characteristic Symbol Value Power Dissipation (Note 1), Derate above 25 ℃ Pd 500 Forward Voltage (Note 2) @ IF = 10 mA VF 0.9 Thermal Resistance, Junction to Ambient Air (Note 1) RθJA 305 Operating and Storage Temperature Range TJ , TSTG -65 ~ +150 Notes: 2 1. Device mounted on ceramic PCB; 7.6mm×9.4mm×0.87mm with pad areas 25mm . 2. Short duration test pulse used in minimize self-heating effect. 3. f = 1 K Hz http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A Unit mW V ℃/W ℃ Any changing of specification will not be informed individual Page 1 of 4 ● Features . RoHS Compliant . Standard Zener Breakdown Voltage Range: 2.4V to 51V . Steady State Power Rating of 500 mW . Small Body Outline Dimensions: 2.70 mm x 1.60 mm . Low Body Height: 1.05 mm . Package Weight: 10.00 mg / unit . ESD Rating of Class 3 ( > 16 KV ) per Human Body Model ● Mechanical Data . Case: SOD-123, Void-Free, Transfer-Molded Plastic . Finish: All External Surfaces are Corrosion Resistant . Maximum Case Temperature for Soldering Purpose: 260 ℃ for 10 Seconds . Polarity: Cathode Indicated by Polarity Band . Flammability Rating: UL94V-0 . Mounting Position: Any ● Outline D H G A B C http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A E J SOD-123 Dim Min Max A 3.60 3.80 B 2.60 2.80 C 1.55 1.65 D 1.05 Typical E 0.50 0.60 G 0.25 0.45 H 0.10 0.15 J 0.05 Typical α 0° 8° All Dimensions in mm Any changing of specification will not be informed individual Page 2 of 4 8 7 θ VZ, TEMPERATURE COEFFICIENT (mV/°C) θ VZ, TEMPERATURE COEFFICIENT (mV/°C) ● Electrical Characteristic Curves @ TA=25℃ TYPICAL TC VALUES FOR BZT52C2V4 SERIES 6 5 4 VZ @ IZT 3 2 1 0 –1 –2 –3 TYPICAL TC VALUES FOR BZT52C2V4 SERIES VZ @ IZT 10 1 2 3 4 5 6 7 8 9 10 11 12 10 100 VZ, NOMINAL ZENER VOLTAGE (V) VZ, NOMINAL ZENER VOLTAGE (V) Figure 1. Temperature Coefficients (Temperature Range –55°C to +150°C) Figure 2. Temperature Coefficients (Temperature Range –55°C to +150°C) 1000 Ppk , PEAK SURGE POWER (WATTS) 1.2 1.0 PD versus TL 0.8 0.6 PD versus TA 0.4 0.2 RECTANGULAR WAVEFORM, TA = 25C 100 10 1 0 0 25 50 75 100 125 0.1 150 1 10 100 1000 T, TEMPERATURE (C) PW, PULSE WIDTH (ms) Figure 3. Steady State Power Derating Figure 4. Maximum Nonrepetitive Surge Power 1000 1000 TJ = 25C IZ(AC) = 0.1 IZ(DC) f = 1 kHz IF, FORWARD CURRENT (mA) Z ZT, DYNAMIC IMPEDANCE (Ω ) 100 IZ = 1 mA 100 5 mA 20 mA 10 100 10 150C 1 1 10 0.5 75°C 25°C 0.6 0.7 0°C 0.8 0.9 1.0 VZ, NOMINAL ZENER VOLTAGE VF, FORWARD VOLTAGE (V) Figure 5. Effect of Zener Voltage on Zener Impedance Figure 6. Typical Forward Voltage http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A 100 1 0.4 1.1 1.2 Any changing of specification will not be informed individual Page 3 of 4 1000 1000 C, CAPACITANCE (pF) 0 V BIAS 1 V BIAS I R , LEAKAGE CURRENT ( µA) TA = 25°C 100 BIAS AT 50% OF VZ NOM 10 100 10 1 +150C 0.1 0.01 +25C 0.001 –55C 0.0001 1 0.00001 1 10 0 100 10 20 30 40 50 60 VZ, NOMINAL ZENER VOLTAGE (V) Figure 7. Typical Capacitance Figure 8. Typical Leakage Current 80 90 100 100 TA = 25°C I Z , ZENER CURRENT (mA) TA = 25°C I Z , ZENER CURRENT (mA) 70 VZ, NOMINAL ZENER VOLTAGE (V) 10 1 0.1 10 1 0.1 0.01 0.01 0 2 4 6 8 10 VZ, ZENER VOLTAGE (V) Figure 9. Zener Voltage versus Zener Current (VZ Up to 12 V) http://www.SeCoSGmbH.com/ 01-Jun-2002 Rev. A 12 10 30 50 70 90 VZ, ZENER VOLTAGE (V) Figure 10. Zener Voltage versus Zener Current (12 V to 91 V) Any changing of specification will not be informed individual Page 4 of 4