PART OBSOLETE NO ALTERNATE PART DM1231-02SO 2-CHANNEL LOW CAPACITANCE ESD PROTECTION ARRAY Product Summary Features Contact discharge per IEC61000-4-2 standard: V V C F (Typ) P (Typ) OUT (Typ) 12 kV (OUT Pins), 4 kV(IN Pins) 0.8V 5V 1.5pF Withstands over 1000 ESD Strikes 1.5pF Typical Capacitance from OUT to V N Description Two channels of ESD Protection Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) DM1231-02SO is a high-performance device suitable for protecting Halogen and Antimony Free. Green Device (Note 3) two high-speed channels. This product is assembled in SOT26 package. It has high ESD surge capability and low capacitance. Mechanical Data Applications Case: SOT26 Case Material: Molded Plastic, Green Molding Compound. Typically Used for High Speed Ports such as: UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 (Lead Free Plating). USB 2.0 e3 Solderable per MIL-STD-202, Method 208 IEEE1394 Weight: 0.016 grams (Approximate) HDMI Laptop and Personal Computers Flat Panel Displays Video Graphics Displays SIM Ports SOT26 Top View PINOUT Diagrams Device Ordering Information (Note 4) Product Compliance Marking Reel Size (inches) Tape Width (mm) Quantity per Reel DM1231-02SO-7 Standard BF4 7 8 3000/Tape & Reel Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See DM1231-02SO Marking Information BF4= Product Type Marking Code YM = Date Code Marking Y = Year (ex: D = 2016) M = Month (ex: 9 = September) Note: represents internal code Date Code Key Year 2015 2016 2017 2018 2019 2020 Code C D E F G H 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 Maximum Ratings ( T = +25C, unless otherwise specified.) A Characteristic Value Unit Operating Supply Voltage (VP) 6 V Diode Forward Current(A /B Side) 8 mA OUT OUT Continuous Current through Signal Pins (IN to OUT) 1,000 hours 125 mA 12 kV ESD Protection Contact Discharge (Note5) 4 kV Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation Typical (Note 6) P 300 mW D Thermal Resistance, Junction to Ambient Typical (Note 6) R 417 C/W JA Operating and Storage Temperature Range T , T -55 to +150 C J STG Electrical Characteristics ( T = +25C, unless otherwise specified.) A Characteristic Symbol Min Typ Max Unit Test Conditions Operating Supply Voltage VP 5 5.5 V Reverse Current (Note 7) I 1 A V = 5V, V to V R P P N Diode Forward Voltage V 0.6 0.8 0.95 V I = 8mA, Top Diode F F Diode Forward Voltage V 0.6 0.8 0.95 V I = 8mA, Bottom Diode F F Residual ESD Peak Current on IEC 61000-4-2 contact mode 8kV, RDUP(Resistance of Device Under IRES 2.3 A RDUP = 5 Protection) +9 V V CL Positive I =1A, tp = 8/20s PP Channel Clamping Voltage (Note 8) -1.4 V Zap at OUT, Measure at IN V CL Negative 0.4 R DYN Positive I =1A, tp = 8/20s PP Dynamic Resistance Zap at OUT, Measure at IN R 0.3 DYN Negative f = 1MHz, V = 5V, V = 2.5V, V = P OSC OSC Channel Input Capacitance(Note 9) C 1.5 pF OUT 30mV Channel to Channel Capacitance f = 1MHz, V = 5V, V = 2.5V, V = P OSC OSC C 0.02 pF OUT Match 30mV Series Resistance R 1 S Channel to Channel Resistance R 10 30 m S Match Notes: 5. Standard test condition is IEC61000-4-2 level 4 test circuit with each (AOUT/BOUT) pin subjected to 12kV contact discharge for 1000 pulses. Discharges are timed at 1 second intervals and all 1000 strikes are completed in one continuous test run. 6. Device mounted on FR-4 PCB pad layout (2oz copper) as shown on Diodes, Inc. suggested pad layout, which can be found on our website at