MMBZ5221B - MMBZ5259B 350mW SURFACE MOUNT ZENER DIODE Please click here to visit our online spice models database. Features * * * * * Mechanical Data * * Planar Die Construction 350mW Power Dissipation on FR-4 PCB General Purpose, Medium Current Ideally Suited for Automated Assembly Processes Lead, Halogen and Antimony Free, RoHS Compliant "Green" Device (Notes 2 and 3) Case: SOT-23 Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020D Terminal Connections: See Diagram Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Marking Information: See Page 4 Ordering Information: See Page 4 Weight: 0.008 grams (approximate) * * * * * * * Top View Maximum Ratings @TA = 25C unless otherwise specified Characteristic Forward Voltage Device Schematic @ IF = 10mA Symbol Value Unit VF 0.9 V Symbol Value Unit Thermal Characteristics Characteristic Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Notes: PD 350 mW RJA 357 C/W TJ, TSTG -65 to +150 C 1. Mounted on FR4 PC Board with recommended pad layout which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf 2. No purposefully added lead. Halogen and Antimony Free. 3. 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. MMBZ5221B - MMBZ5259B Document number: DS18011 Rev. 20 - 2 1 of 4 www.diodes.com June 2008 (c) Diodes Incorporated MMBZ5221B - MMBZ5259B Electrical Characteristics @TA = 25C unless otherwise specified Zener Voltage Range (Note 4) Type Number Type Code VZ @ IZT IZT Nom (V) Min (V) Max (V) mA Maximum Zener Impedance (Note 5) ZZK @ IZK ZZT @ IZT = 0.25mA Maximum Reverse Leakage Current (Note 4) IR @ VR A V MMBZ5221B KC1 2.4 2.28 2.52 20 30 1200 100 1.0 MMBZ5222B KC2 2.5 2.38 2.63 20 30 1200 100 1.0 MMBZ5223B KC3 2.7 2.57 2.84 20 30 1300 75 1.0 MMBZ5225B KC5 3.0 2.85 3.15 20 30 1600 50 1.0 MMBZ5226B KG1 3.3 3.14 3.47 20 28 1600 25 1.0 MMBZ5227B KG2 3.6 3.42 3.78 20 24 1700 15 1.0 MMBZ5228B KG3 3.9 3.71 4.10 20 23 1900 10 1.0 MMBZ5229B KG4 4.3 4.09 4.52 20 22 2000 5.0 1.0 MMBZ5230B KG5/8E 4.7 4.47 4.94 20 19 1900 5.0 2.0 MMBZ5231B KE1 5.1 4.85 5.36 20 17 1600 5.0 2.0 MMBZ5232B KE2 5.6 5.32 5.88 20 11 1600 5.0 3.0 MMBZ5233B KE3 6.0 5.70 6.30 20 7 1600 5.0 3.5 MMBZ5234B KE4 6.2 5.89 6.51 20 7 1000 5.0 4.0 MMBZ5235B KE5 6.8 6.46 7.14 20 5 750 3.0 5.0 MMBZ5236B KF1/8L 7.5 7.13 7.88 20 6 500 3.0 6.0 MMBZ5237B KF2 8.2 7.79 8.61 20 8 500 3.0 6.5 MMBZ5238B KF3 8.7 8.27 9.14 20 8 600 3.0 6.5 MMBZ5239B KF4 9.1 8.65 9.56 20 10 600 3.0 7.0 MMBZ5240B KF5 10 9.50 10.50 20 17 600 3.0 8.0 MMBZ5241B KH1 11 10.45 11.55 20 22 600 2.0 8.4 MMBZ5242B KH2/8S 12 11.40 12.60 20 30 600 1.0 9.1 MMBZ5243B KH3 13 12.35 13.65 9.5 13 600 0.5 9.9 MMBZ5244B KH4 14 13.30 14.70 9.0 15 600 0.1 10 MMBZ5245B KH5 15 14.25 15.75 8.5 16 600 0.1 11 MMBZ5246B KJ1 16 15.20 16.80 7.8 17 600 0.1 12 MMBZ5248B KJ3 18 17.10 18.90 7.0 21 600 0.1 14 MMBZ5250B KJ5 20 19.00 21.00 6.2 25 600 0.1 15 MMBZ5251B KK1 22 20.90 23.10 5.6 29 600 0.1 17 MMBZ5252B KK2 24 22.80 25.20 5.2 33 600 0.1 18 MMBZ5254B KK4 27 25.65 28.35 5.0 41 600 0.1 21 MMBZ5255B KK5 28 26.60 29.40 4.5 44 600 0.1 21 MMBZ5256B KM1 30 28.50 31.50 4.2 49 600 0.1 23 MMBZ5257B KM2 33 31.35 34.65 3.8 58 700 0.1 25 MMBZ5258B KM3 36 34.20 37.80 3.4 70 700 0.1 27 MMBZ5259B KM4 39 37.05 40.95 3.2 80 800 0.1 30 Notes: 4. Short duration pulse test used to minimize self-heating effect. 5. f = 1KHz. MMBZ5221B - MMBZ5259B Document number: DS18011 Rev. 20 - 2 2 of 4 www.diodes.com June 2008 (c) Diodes Incorporated MMBZ5221B - MMBZ5259B 50 0.4 IZ, ZENER CURRENT (mA) PD, POWER DISSIPATION (W) 40 0.3 0.2 0.1 30 20 10 0 0 30 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Derating Curve T j = 25C CT, TOTAL CAPACITANCE (pF) IZ, ZENER CURRENT (mA) Nominal Zener Voltage 15 18 22 10 27 33 0 2 3 4 5 6 8 9 10 7 VZ, ZENER VOLTAGE (V) Fig. 2 Typical Zener Breakdown Characteristics Tj = 25 C 12 Test current IZ 1 1,000 10 20 0 150 36 39 100 VR = 1V VR = 2V 10 0 10 20 30 40 VZ, ZENER VOLTAGE (V) Fig. 3 Typical Zener Breakdown Characteristics 1 100 10 VZ, ZENER VOLTAGE (V) Fig. 5 Typical Zener Impedance Characteristics 10 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage 1 ZZ, ZENER IMPEDANCE () 1,000 100 10 1 MMBZ5221B - MMBZ5259B Document number: DS18011 Rev. 20 - 2 3 of 4 www.diodes.com June 2008 (c) Diodes Incorporated MMBZ5221B - MMBZ5259B Ordering Information (Note 6) Packaging SOT-23 Device (Type Number)-7-F* Shipping 3000/Tape & Reel * Add "-7-F" to the appropriate type number in Electrical Characteristics Table from Page 2 example: 6.2V Zener = MMBZ5234B-7-F. Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information YM xxx Date Code Key Year Code xxx = Product Type Marking Code (See Electrical Characteristics Table) YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September) 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 J K L M N P R S T U V W X Y Z A B 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 Package Outline Dimensions A SOT-23 Dim Min Max A 0.37 0.51 B 1.20 1.40 C 2.30 2.50 D 0.89 1.03 F 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 0 8 All Dimensions in mm B C G H K M J D F L Suggested Pad Layout Y Z C X Dimensions Value (in mm) Z 2.9 X 0.8 Y 0.9 2.0 C 1.35 E 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. MMBZ5221B - MMBZ5259B Document number: DS18011 Rev. 20 - 2 4 of 4 www.diodes.com June 2008 (c) Diodes Incorporated