DDZ2V4ASF  DDZ39DSF 
 
 
0.5W SURFACE MOUNT PRECISION ZENER DIODE 
 
 
Features Mechanical Data 
 
 500mW Power Dissipation on FR-4 PCB  Case: SOD323F 
 Very Tight Tolerance on V  Case Material: Molded Plastic, Green Molding Compound.    
Z
 Ideally Suited for Automated Assembly Processes UL Flammability Classification Rating 94V-0 
 Totally Lead-Free & Fully RoHS Compliant (Notes 1 &2)  Moisture Sensitivity: Level 1 per J-STD-020 
 Halogen and Antimony Free.Gree Device (Note 3)  Terminal Connections: Cathode Band 
 
 Terminals: Finish  Matte Tin Annealed over Copper Alloy 
Leadframe. Solderable per MIL-STD-202, Method 208 
 
 Weight: 0.004 grams (Approximate) 
 
 
 
SOD323F 
 
 
 
 
 
 
 
Top View 
 
 
 
Ordering Information (Note 4) 
Part Number Compliance Case Packaging 
DDZxx(x)xSF-7* Commercial SOD323F 3,000/Tape & Reel 
*Add-7" to the appropriate type number in Electrical Characteristics Table on Page 2.  Example: DDZ10BSF-7. 
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 
2. See  
 
DDZ2V4ASF  DDZ39DSF 
 
 
 
Maximum Ratings (@T = +25C, unless otherwise specified.)  
A
Characteristic Symbol Value Unit 
Forward Voltage                                               @I = 10mA V 0.9 V 
F F
 
 
 
 
Thermal Characteristics    
Characteristic Symbol Value Unit 
Power Dissipation (Note 5) 500 mW 
P 
D
Thermal Resistance, Junction to Ambient Air (Note 5) R 250 C/W 
JA
Operating and Storage Temperature Range T T -65 to +150 C 
J, STG
 
 
  
 
Electrical Characteristics (@T = +25C, unless otherwise specified.) 
A
Zener Voltage Range Maximum Zener Impedance  Maximum Reverse Current 
(Note 6) f = 1kHz (Note 7) 
Type Number Marking Code 
V @ I I Z @ I I @ V 
Z    ZT ZT ZT    ZT R R
Min (V) Max (V) mA  A V 
DDZ2V4ASF 4C 2.33 2.52 20 100 120 1 
DDZ2V4BSF KD 2.43 2.63 20 100 120 1 
DDZ2V7ASF 4E 2.54 2.75 20 110 120 1 
DDZ2V7BSF KE 2.69 2.91 20 110 120 1 
DDZ3V0ASF 4F 2.85 3.07 20 120 50 1 
DDZ3V0BSF KF 3.01 3.22 20 120 50 1 
DDZ3V3ASF 4G 3.16 3.38 20 130 20 1 
DDZ3V3BSF KG 3.32 3.53 20 130 20 1 
DDZ3V6ASF 4H 3.45 3.69 20 130 10 1 
DDZ3V6BSF KH 3.60 3.84 20 130 10 1 
DDZ3V9ASF 4J 3.74 4.01 20 130 10 1 
DDZ3V9BSF KJ 3.89 4.16 20 130 10 1 
DDZ4V3ASF 4K 4.04 4.29 20 130 10 1 
DDZ4V3BSF KK 4.17 4.43 20 130 10 1 
DDZ4V3CSF YK 4.30 4.57 20 130 10 1 
DDZ4V7ASF 4L 4.44 4.68 20 130 10 1 
DDZ4V7BSF KL 4.55 4.80 20 130 10 1 
DDZ4V7CSF YL 4.68 4.93 20 130 10 1 
DDZ5V1ASF 4M 4.81 5.07 20 130 7.5 2 
DDZ5V1BSF KM 4.94 5.20 20 130 7.5 2 
DDZ5V1CSF YM 5.09 5.37 20 130 7.5 2 
DDZ5V6ASF 4N 5.28 5.55 20 80 7.5 2 
DDZ5V6BSF KN 5.45 5.73 20 80 7.5 2 
DDZ5V6CSF YN 5.61 5.91 20 80 7.5 2 
DDZ6V2ASF 4O 5.78 6.09 20 50 7.5 3 
DDZ6V2BSF KO 5.96 6.27 20 50 7.5 3 
DDZ6V2CSF YO 6.12 6.44 20 50 7.5 3 
DDZ6V8ASF 4P 6.29 6.63 20 30 7.5 4 
DDZ6V8BSF KP 6.49 6.83 20 30 7.5 4 
DDZ6V8CSF YP 6.66 7.01 20 30 7.5 4 
DDZ7V5ASF 4Q 6.85 7.22 20 30 7.5 4 
DDZ7V5BSF KQ 7.07 7.45 20 30 7.5 4 
DDZ7V5CSF YQ 7.29 7.67 20 30 7.5 4 
DDZ8V2ASF 4R 7.53 7.92 20 30 7.5 7.15 
DDZ8V2BSF KR 7.78 8.19 20 30 7.5 7.39 
DDZ8V2CSF YR 8.03 8.45 20 30 7.5 7.63 
Notes: 5. Device mounted on FR-4 PCB with 10mm x 10mm pad, board size 35mm x 25mm.  
6. The Zener voltage is measured <40ms after power is supplied. 
7. Short duration pulse test used to minimize self-heating effect. 
 
 
 
 
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DDZ2V4ASF  DDZ39DSF May 2016 
 Diodes Incorporated 
www.diodes.com  
Document number: DS31987 Rev. 20 - 2 
 
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