Document
NEW PRODUCT
Features
• 3.0W Power Dissipation • Ideally Suited for Automated Assembly • 6.2V - 200V Nominal Zener Voltage Range • Standard VZ Tolerance is ±5% • ESD Rating of Class 3 (>16kV) per Human Body Model • Lead-Free Finish; RoHS Compliant (Notes 1 & 2) • Halogen and Antimony Free. “Green” Device (Note 3)
1SMB5920B – 1SMB5956B
Green
3.0W SURFACE MOUNT POWER ZENER DIODE
Mechanical Data
• Case: SMB • Case Material: Molded Plastic.
UL Flammability Classification Rating 94V-0 • Moisture Sensitivity: Level 1 per J-STD-020 • Copper Alloy Leadframe with Lead-Free Plating (Matte Tin
Finish). Solderable per MIL-STD-202, Method 208 • Polarity: Cathode Band • Weight: 0.096 grams (Approximate)
SMB
Top View
Bottom View
Ordering Information (Note 4)
Device* 1SMB59xxB-13
Packaging SMB
Shipping 3000/Tape & Reel
*x = Device Voltage, e.g., 1SMB5920B-13.
Notes:
1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds. 4. For packaging details, go to our website at http”//www.diodes.com/products/packages.html.
Marking Information
SMB
YWW B9xx
B9xx = Product Type Marking Code (See Electric Characteristics Table)
= Manufacturers’ Code Marking YWW = Date Code Marking Y = Last Digit of Year (ex: 4 for 2014) WW = Week Code (01 - 53)
1SMB5920B – 1SMB5956B
Document number: DS32125 Rev. 8 - 2
1 of 7 www.diodes.com
May 2019
© Diodes Incorporated
Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic Forward Voltage @ IF = 200mA Zener Current (See Page 3)
Symbol VF IZM
1SMB5920B – 1SMB5956B
Value 1.5
PD / VZ
Unit V mA
Thermal Characteristics
Characteristic
Power Dissipation @TL = +75°C Derate Above +75°C (Note 5) Thermal Resistance - Junction to Terminal (Note 5)
Power Dissipation @TA = +25°C Derate Above +25°C (Note 5) Thermal Resistance - Junction to Ambient (Note 5)
Operating and Storage Temperature Range
Symbol
PD RϴJT PD RϴJA TJ, TSTG
Value 3.0 40
25 550 4.4 226
-65 to +150
Unit W
mW/°C
°C/W mW mW/°C °C/W
°C
Note:
5. Device mounted on FR-4 PCB; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com.
NEW PRODUCT
1SMB5920B – 1SMB5956B
Document number: DS32125 Rev. 8 - 2
2 of 7 www.diodes.com
May 2019
© Diodes Incorporated
NEW PRODUCT
1SMB5920B – 1SMB5956B
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Type Number
1SMB5920B 1SMB5921B 1SMB5922B 1SMB5923B 1SMB5924B 1SMB5925B 1SMB5926B 1SMB5927B 1SMB5928B 1SMB5929B 1SMB5930B 1SMB5931B 1SMB5932B 1SMB5933B 1SMB5934B 1SMB5935B 1SMB5936B 1SMB5937B 1SMB5938B 1SMB5939B 1SMB5940B 1SMB5941B 1SMB5942B 1SMB5943B 1SMB5944B 1SMB5945B 1SMB5946B 1SMB5947B 1SMB5948B 1SMB5949B 1SMB5950B 1SMB5951B 1SMB5952B 1SMB5953B 1SMB5954B 1SMB5955B 1SMB5956B
Marking Code
B920 B921 B922 B923 B924 B925 B926 B927 B928 B929 B930 B931 B932 B933 B934 B935 B936 B937 B938 B939 B940 B941 B942 B943 B944 B945 B946 B947 B948 B949 B950 B951 B952 B953 B954 B955 B956
Zener Voltage Range (Note 6)
Min (V) 5.89 6.46 7.12 7.79 8.64 9.5 10.45 11.4 12.35 14.25 15.2 17.1 19 20.9 22.8 25.65 28.5 31.35 34.2 37.05 40.85 44.65 48.45 53.2 58.9 64.6 71.25 77.9 86.45 95 104.5 114 123.5 142.5 152 171 190
VZ @ IZT
Typ (V) 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100 110 120 130 150 160 180 200
Max (V) 6.51 7.14 7.88 8.61 9.56 10.5 11.55 12.6 13.65 15.75 16.8 18.9 21 23.1 25.2 28.35 31.5 34.65 37.8 40.95 45.15 49.35 53.55 58.8 65.1 71.4 78.75 86.1 95.55 105 115.5 128 136.5 157.5 168 189 210
Test Current
IZT
mA 60.5 55.1 50 45.7 41.2 37.5 34.1 31.2 28.8 25 23.4 20.8 18.7 17 15.6 13.9 12.5 11.4 10.4 9.6 8.7
8 7.3 6.7 6 5.5 5 4.6 4.1 3.7 3.4 3.1 2.9 2.5 2.3 2.1 1.9
Maximum Zener Impedance (Note 7)
ZZT @ IZT
Ω 2 2.5 3 3.5 4 4.5 5.5 6.5 7 9 10 12 14 17.5 19 23 28 33 38 45 53 67 70 86 100 120 140 160 200 250 300 380 450 600 700 900 1200
ZZK @ IZK
Ω 200 200 400 400 500 500 550 550 550 600 600 650 650 650 700 700 750 800 850 900 950 1000 1100 1300 1500 1700 2000 2500 3000 3100 4000 4500 5000 6000 6500 7000 8000
mA 1 1 0.5 0.5 0.5
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
Maximum Reverse Current (Note 6) IZM Max
IR @ VR
µA V mA
5 4 241
5 5.2 220
5 6 200
5 6.5 182
5 7 164
5 8 150
1 8.4 136
1 9.1 125
1 9.9 115
1 11.4 100
1 12.2 93
1 13.7 83
1 15.2 75
1 16.7 68
1 18.2 62
1 20.6 55
1 22.8 50
1 25.1 45
1 27.4 41
1 29.7 38
1 32.7 34.