NDB171

NDB171 Transient Voltage Suppressor Diode Bi-directional ESD Protection TVS Diode General Description The NDB171 device is help protect sensitive electronic equipment against electrostatic discharge (ESD). The NDB171 device is safely dissipate ESD strikes, exceeding the IEC 61000-4-2 International Standard, Level 4 (±8kV contact discharge and ±15kV air discharge). Features and Benefits  Low capacitance and fast response time  Bidirectional type pin configuration structure  Compact SMD package saves board space and facilitates layout in space-critical applications  Full lead(Pb)-free device and RoHS compliant  Available in “Green” device SOD-923 Applications  ESD Protection of PC ports, including USB ports, Cell phone handsets and accessories, etc. Ordering Information Part Number Marking Code Package Packaging NDB171 B□ SOD-923 Tape & Reel Marking Information B = Specific Device Code B□ □ = Year & Week Code Marking = Color band denote cathode Pinning Information Pin 1 2 Description Cathode Anode Simplified Outline Graphic Symbol Rev. date: 07-APR-11 KSD-D6E010-001 www.auk.co.kr 1 of 5 NDB171 Absolute Maximum Ratings (Tamb=25℃, Unless otherwise specified) Characteristic Symbol VESD(Air) ESD withstand voltage per IEC 61000-4-2 standard VESD(Contact) Peak pulse power ( tp = 8/20us ) Power dissipation 1) Junction temperature Storage temperature range 1) Ratings Unit ±15 kV ±8 100 100 150 -55 ~ +150 W mW C C PPK PD TJ Tstg Device mounted on FR-4 board with recommended pad layout. Thermal Characteristics (Tamb=25℃, Unless otherwise specified) Characteristic Thermal resistance, junction to ambient 1) 1) Symbol Rth(j-a) Ratings 1250 Unit C/W Device mounted on FR-4 board with recommended pad layout. Electrical Characteristics (Tamb=25℃, Unless otherwise specified) Characteristic Breakdown voltage Reverse current Total capacitance Symbol VBR IR CT Test Condition IR=1mA VR=3.5V VR=0V, f=1MHz Min. 5.78 Typ. 25 Max. 7.82 0.5 Unit V uA pF Rev. date: 07-APR-11 KSD-D6E010-001 www.auk.co.kr 2 of 5 NDB171 Rating and Characteristic Curves Fig. 1) Typical Zener Characteristics Fig. 2) Power Dissipation vs. Ambient Temperature Fig. 3) Typical Capacitance Characteristics Fig. 4) Power Dissipation vs. Ambient Temperature Rev. date: 07-APR-11 KSD-D6E010-001 www.auk.co.kr 3 of 5 NDB171 Package Outline Dimensions (Unit : mm) ※ Recommend PCB solder land (Unit : mm) Rev. date: 07-APR-11 KSD-D6E010-001 www.auk.co.kr 4 of 5 NDB171 The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. Rev. date: 07-APR-11 KSD-D6E010-001 www.auk.co.kr 5 of 5