SPICE MODELS: BZX84C43 BZX84C47 BZX84C51 BZX84C43 - BZX84C51 350mW SURFACE MOUNT ZENER DIODE Lead-free Features · · · · · Planar Die Construction SOT-23 350mW Power Dissipation A Zener Voltages from 43V - 51V Min Max A 0.37 0.51 B 1.20 1.40 TOP VIEW C 2.30 2.50 D D 0.89 1.03 E 0.45 0.60 G 1.78 2.05 H 2.80 3.00 J 0.013 0.10 K 0.903 1.10 L 0.45 0.61 M 0.085 0.180 a 0° 8° Ideally Suited for Automated Assembly Processes Lead Free/RoHS Compliant (Note 3) B Mechanical Data E · · Case: SOT-23 · · · Moisture Sensitivity: Level 1 per J-STD-020C · · · · Dim C G H Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 K J M L Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Please see Ordering Information, Note 7, on Page 3 Polarity: See Diagram Marking: Type Code and Date Code, See Page 3 All Dimensions in mm Type Code: See Table on Page 2 Weight: 0.008 grams (approximate) TOP VIEW Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Symbol Value VF 0.9 V Power Dissipation (Note 1) Pd 300 mW Power Dissipation (Note 2) Pd 350 mW RqJA 417 °C/W RqJA 357 °C/W Tj, TSTG -65 to +150 °C Forward Voltage @ IF = 10mA Thermal Resistance, Junction to Ambient Air (Note 1) Thermal Resistance, Junction to Ambient Air (Note 2) Operating and Storage Temperature Range Notes: Unit 1. Device mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. Valid provided the terminals are kept at ambient temperature. 3. No purposefully added lead. DS30370 Rev. 5 - 2 1 of 3 www.diodes.com BZX84C43 - BZX84C51 ã Diodes Incorporated Electrical Characteristics Type Number @ TA = 25°C unless otherwise specified Zener Voltage Range (Note 5) Type Code Maximum Zener Impedance (Note 4) VZ @ IZT IZT ZZT @ IZT Nom (V) Min (V) Max (V) (mA) (W) (W) Maximum Reverse Current (Note 5) IR VR (mA) (mA) (V) ZZK @ IZK Typical Temperature Coefficient @ IZT mV/°C Min Max BZX84C43 Y15/KYF 43 40.0 46.0 2.0 150 375 0.5 0.1 30.1 10.0 12.0 BZX84C47 Y16/KYG 47 44.0 50.0 2.0 170 375 0.5 0.1 32.9 10.0 12.0 BZX84C51 Y17/KYH 51 48.0 54.0 2.0 180 400 0.5 0.1 35.7 10.0 12.0 Notes: 4. f = 1KHz. 5. Short duration test pulse used to minimize self-heating effect. 10 500 400 IZ, ZENER CURRENT (mA) Pd, POWER DISSIPATION (mW) Tj = 25°C 300 Note 1 Note 2 200 C47 C43 C51 8 6 4 Test Current IZ 2mA 2 100 0 0 100 0 200 TA, Ambient Temperature, (°C) Fig. 1 Power Derating Curve 20 30 40 50 60 VZ, ZENER VOLTAGE (V) Fig. 2 Zener Breakdown Characteristics 10 70 100 Tj = 25°C CT, TOTAL CAPACITANCE (pF) f = 1MHz VR = 1V 10 VR = 2V 1 10 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 3 Total Capacitance vs Nominal Zener Voltage DS30370 Rev. 5 - 2 2 of 3 www.diodes.com BZX84C43 - BZX84C51 Ordering Information (Note 6) Device Packaging Shipping (Type Number)-7-F SOT-23 3000/Tape & Reel * Add “-7” to the appropriate type number in Table 1 (on Page 2). Example: 43V Zener = BZX84C43-7-F. Notes: 6. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information (This part may be marked as Figure A or B Below) YM KXX Figure A KXX = Product Type Marking Code (See Page 2) YM = Date Code Marking Y = Year ex: T = 2006 M = Month ex: 9 = September Date Code Key Year 2006 2007 2008 2009 2010 2011 2012 Code T U V W X Y Z Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D YM Month Figure B XX = Product Type Marking Code (See Page 2) YM = Date Code Marking Y = Year ex: T = 2006 M = Month ex: 9 = September XX Date Code Key Year 2006 2007 2008 2009 2010 2011 2012 Code M N P R S T U 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 IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. DS30370 Rev. 5 - 2 3 of 3 www.diodes.com BZX84C43 - BZX84C51