MMBZ5221B - MMBZ5259B 350mW SURFACE MOUNT ZENER DIODE Features · · · · Planar Die Construction 350mW Power Dissipation on FR-4 PCB General Purpose, Medium Current Ideally Suited for Automated Assembly Processes SOT-23 A B C Mechanical Data · · · · · · · Case: SOT-23, Molded Plastic Case Material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: Marking Code (See Table on Page 2) Weight: 0.008 grams (approx.) D E G H K J M L Dim Min Max A 0.37 0.51 B 1.20 1.40 C 2.30 2.50 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° All Dimensions in mm Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Forward Voltage Symbol @ IF = 10mA Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Value Unit VF 0.9 V Pd 350 mW RqJA 357 °C/W Tj, TSTG -65 to +150 °C Ordering Information (Note 2) Device Packaging Shipping (Type Number)-7* SOT-23 3000/Tape & Reel * Add “-7” to the appropriate type number in Table, Sheet 2 example: 6.2V Zener = MMBZ5234B-7. Notes: 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. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. DS18011 Rev. 7 - 2 1 of 3 www.diodes.com MMBZ5221B - MMBZ5259B Electrical Characteristics @ TA = 25°C unless otherwise specified Maximum Zener Impedance (Note 4) Zener Voltage Range (Note 3) Type Number Type Code Nom (V) Min (V) Max (V) mA MMBZ5221B KC1 2.4 2.28 2.52 20 MMBZ5223B KC3 2.7 2.57 2.84 20 VZ @ IZT IZT ZZT Maximum Reverse Leakage Current (Note 3) ZZK @ IZK = 0.25mA IR mA V 30 1200 100 1.0 30 1300 75 1.0 @ IZT W @ VR 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 4.4 7 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 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: 3. Short duration test pulse used to minimize self-heating effect. 4. f = 1KHz. YM Marking Information XXX XXX = Product Type Marking Code 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 2005 2006 2007 2008 2009 Code J K L M N P R S T U V W 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 DS18011 Rev. 7 - 2 2 of 3 www.diodes.com MMBZ5221B - MMBZ5259B 1000 Tj = 25 °C CT, TOTAL CAPACITANCE (pF) PD, POWER DISSIPATION (W) 0.4 0.3 0.2 100 VR = 1V VR = 2V 0.1 10 0 25 50 75 100 125 150 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 2 Total Capacitance vs Nominal Zener Voltage TA, AMBIENT TEMPERATURE (°C) Fig. 1 Power Dissipation vs Ambient Temperature 100 PPK, PEAK SURGE POWER (W) 1000 IZ = 1.0mA 100 10 10 1 1 1 10 100 1000 100 PULSE WIDTH (ms) Fig. 4 Maximum Non-repetitive Surge Power 30 Tj = 25°C 10 1 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 3 Zener Voltage vs. Zener Impedence 50 10 1 0 Tj = 25°C 5V6 10 12 6V8 IZ, ZENER CURRENT (mA) IZ, ZENER CURRENT (mA) 40 8V2 30 20 10 Test Current IZ 20mA Test current IZ 0 1 2 3 4 5 6 8 9 7 VZ, ZENER VOLTAGE (V) Fig. 5 Zener Breakdown Characteristics DS18011 Rev. 7 - 2 10 3 of 3 www.diodes.com 18 22 10 0 Nominal Zener Voltage 15 20 27 33 36 39 0 0 10 20 30 VZ, ZENER VOLTAGE (V) Fig. 6 Zener Breakdown Characteristics 40 MMBZ5221B - MMBZ5259B