BZT52C43 - BZT52C51 SURFACE MOUNT ZENER DIODE Features · · · Planar Die Construction General Purpose, Medium Current Ideally Suited for Automated Assembly Processes E D SOD-123 Mechanical Data · · · · · · · · A B Case: SOD-123, Plastic UL Flammability Classification Rating 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Marking: Date Code and Marking Code or Date Code only, See Sheet 3 Weight: 0.01 grams (approx.) Ordering Information: See Sheet 3 Maximum Ratings G C H Dim Min Max A 3.55 3.85 B 2.55 2.85 C 1.40 1.70 D — 1.35 E 0.55 Typical G J 0.25 — H 0.15 Typical J — 0.10 All Dimensions in mm @ TA = 25°C unless otherwise specified Characteristic Symbol Value Unit Pd 410 mW RqJA 305 °C/W Tj, TSTG -65 to +150 °C Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics @ TA = 25°C unless otherwise specified Type Number Zener Voltage Range (Note 2) Marking Code (Note 3) Vz @IZT Maximum Reverse Current (Note 2) Maximum Zener Impedance (Note 4) IZT ZZT @ IZT ZZK @ IZK W IZK IR @ VR Typical Temperature Coefficient @ IZTC mV/°C Test Current IZTC Nom (V) Min (V) Max (V) mA mA uA V Min Max mA BZT52C43 WU/WY 43 40.0 46.0 5 100 700 1.0 0.1 32 10.0 12.0 5 BZT52C47 WV/WZ 47 44.0 50.0 5 100 750 1.0 0.1 35 10.0 12.0 5 BZT52C51 WW/X1 51 48.0 54.0 5 100 750 1.0 0.1 38 10.0 12.0 5 Notes: 1. Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25mm2. 2. Short duration test pulse used to minimize self-heating effect. 3. When provided, otherwise, parts are provided with date code only, and type number identifications appears on reel only. 4. f = 1kHz. DS30363 Rev. 2 - 2 1 of 3 www.diodes.com BZT52C43 - BZT52C51 0.6 10 C47 Tj = 25°C C43 IZ, ZENER CURRENT (mA) PD, POWER DISSIPATION (W) 0.5 0.4 0.3 0.2 C51 8 6 4 2 0.1 0 0 0 25 50 75 100 125 150 TA, AMBIENT TEMPERATURE (°C) Fig. 1 Power Dissipation vs Ambient Temperature 10 20 30 40 50 60 70 80 90 100 VZ, ZENER VOLTAGE (V) Fig. 2 Zener Breakdown Characteristics 100 CT, TOTAL CAPACITANCE (pF) Tj = 25 °C VR = 1V 10 VR = 2V 1 10 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 3 Total Capacitance vs Nominal Zener Voltage DS30363 Rev. 2 - 2 2 of 3 www.diodes.com BZT52C43 - BZT52C51 Ordering Information Notes: (Note 5) Device Packaging Shipping BZT52CXX-7 (Note 6) SOD-123 3000/Tape & Reel 5. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. 6. Replace “XX” with the nominal Zener breakdown voltage; i.e. Part number for 43V device would be BZT52C43-7. YM XX Marking Information for Parts marked WY, WZ or X1 XX = Product Type Marking Code (See Page 2) YM = Date Code Marking Y = Year (ex: P = 2002) M = Month (ex: 9 = September) Date Code Key Year 2000 2001 2002 2003 2004 Code M N P R S Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D Marking Information for Parts marked WU, WV or WW YM XX XX = Product Type Marking Code (See Page 2) YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September) Date Code Key Year 1998 1999 2000 2001 2002 2003 2004 Code J K L M N O P Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D DS30363 Rev. 2 - 2 3 of 3 www.diodes.com BZT52C43 - BZT52C51