MMBZ5221BT - MMBZ5259BT 150mW SURFACE MOUNT ZENER DIODE Features * * * * * * Mechanical Data * * Ultra-Small Surface Mount Package Planar Die Construction General Purpose Ideally Suited for Automated Assembly Processes Lead Free/RoHS Compliant (Note 2) "Green" Device (Note 3 and 4) Case: SOT-523 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 4 Ordering Information: See Page 4 Weight: 0.002 grams (approximate) * * * * * * * Top View Maximum Ratings Device Schematic @TA = 25C unless otherwise specified Characteristic Zener Current Forward Voltage Symbol Value Unit (See Table on page 2) @ IF = 10mA VF 0.9 V Unit Thermal Characteristics Symbol Value Power Dissipation Characteristic (Note 1) PD 150 mW Thermal Resistance, Junction to Ambient (Note 1) RJA 833 C/W TJ, TSTG -65 to +150 C Operating and Storage Temperature Range Notes: 1. 2. 3. 4. Device mounted on FR-4 PC board with recommended pad layout at http://www.diodes.com/datasheets/ap02001.pdf. No purposefully added lead. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. MMBZ5221BT - MMBZ5259BT Document number: DS30267 Rev. 11 - 2 1 of 4 www.diodes.com June 2008 (c) Diodes Incorporated MMBZ5221BT - MMBZ5259BT Electrical Characteristics Type Number @TA = 25C unless otherwise specified Zener Voltage Range (Note 5) Test Current VZ @ IZT IZT Marking Code Nom (V) Min (V) Max (V) mA Maximum Zener Impedance (Note 6) ZZT ZZK @ IZK = 0.25mA @ IZT Maximum Reverse Leakage Current (Note 5) IR @ VR A V MMBZ5221BT KC1 2.4 2.28 2.52 20 30 1200 100 1.0 MMBZ5223BT KC3 2.7 2.57 2.84 20 30 1300 75 1.0 MMBZ5225BT KC5 3.0 2.85 3.15 20 30 1600 50 1.0 MMBZ5226BT KG1 3.3 3.14 3.47 20 28 1600 25 1.0 MMBZ5227BT KG2 3.6 3.42 3.78 20 24 1700 15 1.0 MMBZ5228BT KG3 3.9 3.71 4.10 20 23 1900 10 1.0 MMBZ5229BT KG4 4.3 4.09 4.52 20 22 2000 5.0 1.0 MMBZ5230BT KG5 4.7 4.47 4.94 20 19 1900 5.0 2.0 MMBZ5231BT KE1 5.1 4.85 5.36 20 17 1600 5.0 2.0 MMBZ5232BT KE2 5.6 5.32 5.88 20 11 1600 5.0 3.0 MMBZ5234BT KE4 6.2 5.89 6.51 20 7.0 1000 5.0 4.0 MMBZ5235BT KE5 6.8 6.46 7.14 20 5.0 750 3.0 5.0 MMBZ5236BT KF1 7.5 7.13 7.88 20 6.0 500 3.0 6.0 MMBZ5237BT KF2 8.2 7.79 8.61 20 8.0 500 3.0 6.5 MMBZ5239BT KF4 9.1 8.65 9.56 20 10 600 3.0 7.0 MMBZ5240BT KF5 10 9.50 10.50 20 17 600 3.0 8.0 MMBZ5241BT KH1 11 10.45 11.55 20 22 600 2.0 8.4 MMBZ5242BT KH2 12 11.40 12.60 20 30 600 1.0 9.1 MMBZ5243BT KH3 13 12.35 13.65 9.5 13 600 0.5 9.9 MMBZ5245BT KH5 15 14.25 15.75 8.5 16 600 0.1 11 MMBZ5246BT KJ1 16 15.20 16.80 7.8 17 600 0.1 12 MMBZ5248BT KJ3 18 17.10 18.90 7.0 21 600 0.1 14 MMBZ5250BT KJ5 20 19.00 21.00 6.2 25 600 0.1 15 MMBZ5251BT KK1 22 20.90 23.10 5.6 29 600 0.1 17 MMBZ5252BT KK2 24 22.80 25.20 5.2 33 600 0.1 18 MMBZ5254BT KK4 27 25.65 28.35 5.0 41 600 0.1 21 MMBZ5255BT KK5 28 26.60 29.40 4.5 44 600 0.1 21 MMBZ5256BT KM1 30 28.50 31.50 4.2 49 600 0.1 23 MMBZ5257BT KM2 33 31.35 34.65 3.8 58 700 0.1 25 MMBZ5258BT KM3 36 34.20 37.80 3.4 70 700 0.1 27 MMBZ5259BT KM4 39 37.05 40.95 3.2 80 800 0.1 30 Notes: 5. Short duration pulse test used to minimize self-heating effect. 6. f = 1KHz. MMBZ5221BT - MMBZ5259BT Document number: DS30267 Rev. 11 - 2 2 of 4 www.diodes.com June 2008 (c) Diodes Incorporated MMBZ5221BT - MMBZ5259BT PD, POWER DISSIPATION (mW) 300 50 IZ, ZENER CURRENT (mA) 40 200 100 30 20 10 0 0 0 30 75 25 50 100 125 TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Derating Curve T j = 25C 0 150 1 2 3 4 5 6 8 9 10 7 VZ, ZENER VOLTAGE (V) Fig. 2 Typical Zener Breakdown Characteristics 1,000 10 15 20 Test current IZ CT, TOTAL CAPACITANCE (pF) IZ, ZENER CURRENT (mA) 12 Nominal Zener Voltage 18 22 10 27 33 36 39 100 10 0 0 10 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage 1 10 20 30 40 VZ, ZENER VOLTAGE (V) Fig. 3 Typical Zener Breakdown Characteristics 100 PPK, PEAK SURGE POWER (W) ZZ, ZENER IMPEDANCE () 1,000 100 10 10 1 1 1 100 10 VZ, ZENER VOLTAGE (V) Fig. 5 Typical Zener Impedance Characteristics MMBZ5221BT - MMBZ5259BT Document number: DS30267 Rev. 11 - 2 3 of 4 www.diodes.com 1 1,000 100 10 PULSE WIDTH (ms) Fig. 6 Maximum Non-repetitive Surge Power June 2008 (c) Diodes Incorporated MMBZ5221BT - MMBZ5259BT Ordering Information (Note 7) Packaging SOT-523 Device (Type Number)-7-F Shipping 3000/Tape & Reel * Add "-7-F" to the appropriate type number in from Electrical Characteristics Table, example: 6.2V Zener = MMBZ5234BTS-7-F. Notes: 7. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information Kxx Date Code Key Year Code 2002 N 2003 P 2004 R Kxx = Product Type Marking Code (See Electrical Characteristics Table) YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September) YM 2005 S 2006 T 2007 U 2008 V 2009 W 2010 X 2111 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 Package Outline Dimensions A TOP VIEW SOT-523 Dim Min Max Typ A 0.15 0.30 0.22 B 0.75 0.85 0.80 C 1.45 1.75 1.60 D 0.50 G 0.90 1.10 1.00 H 1.50 1.70 1.60 J 0.00 0.10 0.05 K 0.60 0.80 0.75 L 0.10 0.30 0.22 M 0.10 0.20 0.12 N 0.45 0.65 0.50 8 0 All Dimensions in mm B C G H K M N J L D Suggested Pad Layout Y Z C X Dimensions Value (in mm) Z 1.8 X 0.4 Y 0.51 C 1.3 E 0.7 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. MMBZ5221BT - MMBZ5259BT Document number: DS30267 Rev. 11 - 2 4 of 4 www.diodes.com June 2008 (c) Diodes Incorporated