BZX84C43 - BZX84C51 350mW SURFACE MOUNT ZENER DIODE Features * * * * * Mechanical Data * * Planar Die Construction 350mW Power Dissipation Zener Voltages from 43V - 51V Ideally Suited for Automated Assembly Processes Lead, Halogen and Antimony Free, RoHS Compliant "Green" Device (Notes 3 and 6) Case: SOT-23 Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020D Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Polarity: See Diagram Marking Information: See Page 2 Ordering Information: See Page 2 Weight: 0.008 grams (approximate) * * * * * * * Top View Maximum Ratings Device Schematic @TA = 25C unless otherwise specified Characteristic Forward Voltage @ IF = 10mA Symbol VF Value 0.9 Unit V Symbol PD PD RJA RJA TJ, TSTG Value 300 350 417 357 -65 to +150 Unit mW mW C/W C/W C Thermal Characteristics Characteristic Power Dissipation (Note 1) Power Dissipation (Note 2) Thermal Resistance, Junction to Ambient Air Thermal Resistance, Junction to Ambient Air Operating and Storage Temperature Range Electrical Characteristics Type Number Notes: Y15/KYF Y16/KYG Y17/KYH @TA = 25C unless otherwise specified Zener Voltage Range (Note 5) Type Code BZX84C43 BZX84C47 BZX84C51 (Note 1) (Note 2) Nom (V) 43 47 51 VZ @ IZT Min (V) 40.0 44.0 48.0 Max (V) 46.0 50.0 54.0 Maximum Zener Impedance (Note 4) IZT (mA) 2.0 2.0 2.0 ZZT @ IZT () 150 170 180 ZZK @ IZK (mA) () 375 0.5 375 0.5 400 0.5 Maximum Reverse Current (Note 5) IR (A) 0.1 0.1 0.1 VR (V) 30.1 32.9 35.7 Typical Temperature Coefficient @ IZT mV/C Min Max 10.0 10.0 10.0 12.0 12.0 12.0 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. Halogen and Antimony Free. 4. f = 1KHz. 5. Short duration pulse test used to minimize self-heating effect. 6. Product manufactured with Data Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date Code V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. BZX84C43 - BZX84C51 Document number: DS30370 Rev. 6 - 2 1 of 3 www.diodes.com May 2008 (c) Diodes Incorporated BZX84C43 - BZX84C51 500 10 C47 400 IZ, ZENER CURRENT (mA) PD, POWER DISSIPATION (mW) TJ = 25C 300 Note 1 Note 2 200 C43 C51 8 6 4 Test Current IZ 2mA 2 100 0 0 100 TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Derating Curve 0 200 0 20 30 40 50 70 60 VZ, ZENER VOLTAGE (V) Fig. 2 Typical Zener Breakdown Characteristics 10 CT, TOTAL CAPACITANCE (pF) 100 10 1 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 3 Typical Total Capacitance vs. Nominal Zener Voltage 10 Ordering Information (Note 7) Part Number (Type Number)-7-F* Case SOT-23 Packaging 3000/Tape & Reel *Add "-7" to the appropriate type number in Electrical Characteristics Table on Page 2. Example: 43V Zener = BZX84C43-7-F. Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information Date Code Key Year Code 2007 U 2008 V YM YM 2006 T 2009 W 2010 X xx = Product Type Marking Code (See Electrical Characteristics Table) YM = Date Code Marking Y = Year ex: T = 2006 M = Month (ex: 9 = September) xx Kxx Kxx = Product Type Marking Code (See Electrical Characteristics Table) YM = Date Code Marking Y = Year ex: T = 2006 M = Month (ex: 9 = September) 2011 Y 2012 Z 2013 A 2014 B 2015 C Month 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 BZX84C43 - BZX84C51 Document number: DS30370 Rev. 6 - 2 2 of 3 www.diodes.com May 2008 (c) Diodes Incorporated BZX84C43 - BZX84C51 Package Outline Dimensions A Dim A B C D F G H J K L M B C G H K M J D L F SOT-23 Min 0.37 1.20 2.30 0.89 0.45 1.78 2.80 0.013 0.903 0.45 0.085 0 Max 0.51 1.40 2.50 1.03 0.60 2.05 3.00 0.10 1.10 0.61 0.180 8 Suggested Pad Layout Y Z C X Dimensions Value (in mm) Z 2.9 X 0.8 Y 0.9 C 2.0 E 1.35 E 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. BZX84C43 - BZX84C51 Document number: DS30370 Rev. 6 - 2 3 of 3 www.diodes.com May 2008 (c) Diodes Incorporated