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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 Lead, Halogen and Antimony Free, RoHS Compliant "Green" Device (Notes 2 and 3) Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
* * * * * * * * Case: SOT-23 Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminal Connections: See Diagram Terminals: Matte Tin Finish annealed over Alloy 42 leadframe (Lead Free Plating). Solderable per MIL-STD-202, Method 208 Marking Information: See Page 4 Ordering Information: See Page 4 Weight: 0.008 grams (approximate)
Top View
Device Schematic
Maximum Ratings @TA = 25C unless otherwise specified
Forward Voltage Characteristic @ IF = 10mA Symbol VF Value 0.9 Unit V
Thermal Characteristics
Characteristic Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient Air (Note 1) Operating and Storage Temperature Range
Notes:
Symbol PD RJA TJ, TSTG
Value 350 357 -65 to +150
Unit mW C/W 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. 21 - 2
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(c) Diodes Incorporated
MMBZ5221B - MMBZ5259B
Electrical Characteristics @TA = 25C unless otherwise specified
Zener Voltage Range (Note 4) Type Number MMBZ5221B MMBZ5222B MMBZ5223B MMBZ5225B MMBZ5226B MMBZ5227B MMBZ5228B MMBZ5229B MMBZ5230B MMBZ5231B MMBZ5232B MMBZ5233B MMBZ5234B MMBZ5235B MMBZ5236B MMBZ5237B MMBZ5238B MMBZ5239B MMBZ5240B MMBZ5241B MMBZ5242B MMBZ5243B MMBZ5244B MMBZ5245B MMBZ5246B MMBZ5248B MMBZ5250B MMBZ5251B MMBZ5252B MMBZ5254B MMBZ5255B MMBZ5256B MMBZ5257B MMBZ5258B MMBZ5259B
Notes:
Type Code KC1 KC2 KC3 KC5 KG1 KG2 KG3 KG4 KG5/8E KE1 KE2 KE3 KE4 KE5 KF1/8L KF2 KF3 KF4 KF5 KH1 KH2/8S KH3 KH4 KH5 KJ1 KJ3 KJ5 KK1 KK2 KK4 KK5 KM1 KM2 KM3 KM4 Nom (V) 2.4 2.5 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 18 20 22 24 27 28 30 33 36 39
VZ @ IZT Min (V) 2.28 2.38 2.57 2.85 3.14 3.42 3.71 4.09 4.47 4.85 5.32 5.70 5.89 6.46 7.13 7.79 8.27 8.65 9.50 10.45 11.40 12.35 13.30 14.25 15.20 17.10 19.00 20.90 22.80 25.65 26.60 28.50 31.35 34.20 37.05 Max (V) 2.52 2.63 2.84 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.30 6.51 7.14 7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75 16.80 18.90 21.00 23.10 25.20 28.35 29.40 31.50 34.65 37.80 40.95
IZT mA 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.0 6.2 5.6 5.2 5.0 4.5 4.2 3.8 3.4 3.2
Maximum Zener Impedance (Note 5) ZZK @ IZK ZZT @ IZT = 0.25mA 30 1200 30 1200 30 1300 30 1600 28 1600 24 1700 23 1900 22 2000 19 1900 17 1600 11 1600 7 1600 7 1000 5 750 6 500 8 500 8 600 10 600 17 600 22 600 30 600 13 600 15 600 16 600 17 600 21 600 25 600 29 600 33 600 41 600 44 600 49 600 58 700 70 700 80 800
Maximum Reverse Leakage Current (Note 4) IR A 100 100 75 50 25 15 10 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 3.0 3.0 3.0 3.0 2.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 @ VR V 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 8.4 9.1 9.9 10 11 12 14 15 17 18 21 21 23 25 27 30
4. Short duration pulse test used to minimize self-heating effect. 5. f = 1KHz.
MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 21 - 2
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August 2010
(c) Diodes Incorporated
MMBZ5221B - MMBZ5259B
0.4
50
PD, POWER DISSIPATION (W)
Note 1
IZ, ZENER CURRENT (mA)
150
0.3
40
30
0.2
20
0.1
10
0
0
75 25 50 100 125 TA, AMBIENT TEMPERATURE ( C) Fig. 1 Power Derating Curve
0 0 3 4 5 6 8 9 10 7 VZ, ZENER VOLTAGE (V) Fig. 2 Typical Zener Breakdown Characteristics
T J = 25 C f = 1MHz
1
2
30
T j = 25C
10 12
1,000
IZ, ZENER CURRENT (mA)
20
Test current IZ
15
Nominal Zener Voltage
CT, TOTAL CAPACITANCE (pF)
18
100
VR = 1V
10
22 27 33 36 39
VR = 2V
0
10 0 10 20 30 40 VZ, ZENER VOLTAGE (V) Fig. 3 Typical Zener Breakdown Characteristics 10 100 VZ, NOMINAL ZENER VOLTAGE (V) Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage 1
1,000
ZZ, ZENER IMPEDANCE ()
100
10
1
1
10 100 VZ, ZENER VOLTAGE (V) Fig. 5 Typical Zener Impedance Characteristics
MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 21 - 2
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August 2010
(c) Diodes Incorporated
MMBZ5221B - MMBZ5259B
Ordering Information (Note 6)
Device (Type Number)-7-F*
Notes:
Packaging SOT-23
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. 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
xxx = Product Type Marking Code (See Electrical Characteristics Table) YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September)
xxx
Date Code Key Year 1998 Code J Month Code Jan 1
1999 K
2000 L Feb 2
2001 M Mar 3
2002 N
2003 P Apr 4
2004 2005 R S May 5
YM
2006 T Jun 6
2007 U Jul 7
2008 V
2009 W Aug 8
2010 X Sep 9
2011 Y
2012 Z Oct O
2013 A Nov N
2014 B
2015 C Dec D
Package Outline Dimensions
A
BC
H K D J F G L M
K1
SOT-23 Dim Min Max Typ A 0.37 0.51 0.40 B 1.20 1.40 1.30 C 2.30 2.50 2.40 D 0.89 1.03 0.915 F 0.45 0.60 0.535 G 1.78 2.05 1.83 H 2.80 3.00 2.90 J 0.013 0.10 0.05 K 0.903 1.10 1.00 K1 0.400 L 0.45 0.61 0.55 M 0.085 0.18 0.11 0 8 All Dimensions in mm
Suggested Pad Layout
Y Z
C
Dimensions Value (in mm) Z 2.9 X 0.8 Y 0.9 C 2.0 E 1.35
X
E
MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 21 - 2
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August 2010
(c) Diodes Incorporated
MMBZ5221B - MMBZ5259B
IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright (c) 2010, Diodes Incorporated www.diodes.com
MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 21 - 2
5 of 5 www.diodes.com
August 2010
(c) Diodes Incorporated

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