SM712

SM712 Integrated in OVP&OCP products provider Asymmetrical TVS Diode Description Mechanical Characteristics The SM712 is designed for asymmetrical (12V to –7V)  Package: SOT-23 protection in multi-point data transmission application, The  Lead Finish: Matte Tin  Case Material: “Green” Molding Compound.  UL Flammability Classification Rating 94V-0 with ±30kV air and ±30kV contact discharge. It is  Moisture Sensitivity: Level 3 per J-STD-020 assembled into a lead-free SOT-23 package. It is designed  Terminal Connections: See Diagram Below to protect components which are connected to data and  Marking Information: See Below SM712 replace four discrete components by integrating two 12V and two 7V TVS diodes in a single package. The SM712 complies with the IEC 61000-4-2 (ESD) standard transmission lines from voltage surges. Applications Features  Wireless System  325W peak pulse power (8/20µs)  Networks  Ultra low leakage: nA level  Portable Instrumentation  Operating voltage: 7V or 12V  RS485 Ports  Low clamping voltage  Complies with following standards: Marking information – IEC 61000-4-2 (ESD) immunity test Air discharge: ±30kV Contact discharge: ±30kV  – IEC61000-4-5 (Lightning) 36A for 12V & 7V (8/20μs)  RoHS Compliant Details marking code reference customer approval list Dimensions & Symbol（Unit: mm Max） Ordering Information Part Number SM712 Rev.A_Aug,2016 -1- Packaging 3000/Tape & Reel Reel Size 7 inch www.wpmtek.com SM712 Integrated in OVP&OCP products provider Asymmetrical TVS Diode Absolute Maximum Ratings (TA=25°C unless otherwise specified) Parameter Peak Pulse Power (8/20µs) Peak Pulse Current (tp = 8/20μs), Pin 1 or 2 to Pin 3 Symbol Value Unit Ppk 600-1000 W 36 Ipp Peak Pulse Current (tp = 8/20μs), Pin 3 to Pin 1 or 2 ESD per IEC 61000−4−2 (Air) ±30 VESD ESD per IEC 61000−4−2 (Contact) Operating Temperature Range Storage Temperature Range A 36 kV ±30 TJ −55 to +125 °C Tstg −55 to +150 °C Electrical Characteristics (TA=25°C unless otherwise specified) Pin 1 to 3 and 2 to 3 Parameter Reverse Working Voltage Breakdown Voltage Pin 3 to 1 and 3 to 2 (12V TVS) (7V TVS) Symb Min Typ Max Min Typ Max Unit Test Condition ol VRWM VBR 12 13.3 7 7.5 V V IT = 1mA Reverse Leakage Current IR 0.1 0.1 μA VR = VRWM Clamping Voltage VC 19 10 V IPP = 1A Clamping Voltage VC 25 15 V IPP = 25A (8 x 20µs pulse) Clamping Voltage VC 28 17 V IPP = 36A (8 x 20µs pulse) Junction Capacitance CJ 75 75 pF VR = 0V, f = 1MHz Junction Capacitance CJ 50 60 pF VR = VRWM, f = 1MHz Rev.A_Aug,2016 -2- (8 x 20µs pulse) www.wpmtek.com SM712 Integrated in OVP&OCP products provider Asymmetrical TVS Diode Typical Performance Characteristics (TA=25°C unless otherwise Specified) 10 Pin 1 or Pin 2 to Pin 3 70.0 Pin 3 to Pin 1 or Pin 2 Peak Power_Ppp(kW) Junction Capacitance_Cj (pF) 80.0 60.0 50.0 40.0 30.0 20.0 Pin 3 to pin1 or pin2 1 Pin 1 or pin 2 to pin 3 0.1 10.0 0.01 0.0 0 2 4 6 8 Reverse Voltage_VR (V) 10 12 0.1 1 100 10 1000 Pulse Duration_tp(μs) Junction Capacitance vs. Reverse Voltage Peak Pulse Power vs. Pulse Time 30 Pin 1 or Pin 2 to Pin 3 Clamping Voltage _Vc(V) 25 Pin 3 to Pin 1 or Pin 2 20 15 10 Waveform Parameter td=8μs tr=20μs 5 0 0 5 10 15 20 25 30 35 40 Peak Pulse Current_Ipp (A) Clamping Voltage vs. Peak Pulse Current Power Derating Curve ESD Clamping Voltage 8 kV Contact per IEC61000−4−2 8 X 20μs Pulse Waveform Rev.A_Aug,2016 -3- www.wpmtek.com SM712 Integrated in OVP&OCP products provider Asymmetrical TVS Diode Soldering parameters Pb-Free assembly (see FIG.2) Reflow Condition Pre Heat -Temperature Min (Ts(min)) +150℃ -Temperature Max(Ts(max)) +200℃ -Time (Min to Max) (ts) 60-180 secs. Average ramp up rate (Liquid us Temp (TL) to peak) 3℃/sec. Max Ts(max) to TL - Ramp-up Rate 3℃/sec. Max Reflow -Temperature(TL) (Liquid us) +217℃ -Temperature(tL) 60-150 secs. Peak Temp (Tp) +260(+0/-5)℃ Time within 5℃ of actual Peak Temp (tp) 30 secs. Max Ramp-down Rate 6℃/sec. Max Time 25℃ to Peak Temp (TP) 8 min. Max Do not exceed +260℃ Rev.A_Aug,2016 -4- www.wpmtek.com SM712 Integrated in OVP&OCP products provider Asymmetrical TVS Diode Package mechanical data Suggested Land Pattern Contact information WPMTEK Incorporated Limited Floor 1 Building 4#, Binxianghua Industry Park, No.7, Huada Road, Hualian Community, Longhua New District, Shenzhen TEL：86755-29308003 FAX：86755-23739900 wpmtek Incorporated Limited (WPM) reserves the right to make changes to the product specification and data in this document without notice. WPM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does WPM assume any liability arising from the application or use of any products or circuits, and specifically dis- claims any and all liability, including without limitation special, consequential or incidental damages. Rev.A_Aug,2016 -5- www.wpmtek.com