NSB12ANT3G 600 Watt Peak Power Zener Transient Voltage Suppressor Littelfuse.com Unidirectional The NSB12ANT3G is designed to protect voltage sensitive components from high voltage, high energy transients. This device has PLASTIC SURFACE MOUNT excellent clamping capability, high surge capability, low zener ZENER OVERVOLTAGE impedance and fast response time. The NSB12ANT3G is ideally TRANSIENT SUPPRESSOR suited for use in computer hard disk drives, communication systems, 600 WATT PEAK POWER automotive, numerical controls, process controls, medical equipment, business machines, power supplies, and many other industrial/ consumer applications. Specification Features: Cathode Anode Working Peak Reverse Voltage Range - 12 V Peak Power - 600 Watts 1 ms at Maximum Clamp Voltage Peak Pulse Current ESD Rating of Class 3 (> 16 kV) per Human Body Model ESD Rating IEC 61000-4-2 Level 4 (> 30 kV) SMB Low Leakage < 5 A at 12 V CASE 403A UL 497B for Isolated Loop Circuit Protection PLASTIC Response Time is Typically < 1 ns Pb-Free Package is Available MARKING DIAGRAM Mechanical Characteristics: CASE: Voidfree, transfermolded, thermosetting plastic FINISH: All external surfaces are corrosion resistant and leads are AYWW readily Solderable LEK MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES: 260C for 10 Seconds LEADS: Modified L-Bend providing more contact area to bond pads POLARITY: Cathode indicated by polarity band A = Assembly Location MOUNTING POSITION: Any Y = Year WW = Work Week LEK = Specific Device Code MAXIMUM RATINGS = Pb-Free Package Please See the Table on the Following Page (Note: Microdot may be in either location) ORDERING INFORMATION Device Package Shipping NSB12ANT3G SMB 2500/Tape & Reel (Pb-Free) Specifications subject to change without notice. 2016 Littelfuse, Inc. 1 Publication Order Number: September 19, 2016 Rev. 0 NSB12AN/DNSB12ANT3G MAXIMUM RATINGS Rating Symbol Value Unit Peak Power Dissipation (Note 1) T = 25C, Pulse Width = 1 ms P 600 W L PK DC Power Dissipation T = 75C P 3.0 W L D Measured Zero Lead Length (Note 2) Derate Above 75C 40 mW/C R 25 C/W JL Thermal Resistance from Junction to Lead DC Power Dissipation (Note 3) T = 25C P 0.55 W A D Derate Above 25C 4.4 mW/C R 226 C/W Thermal Resistance from Junction to Ambient JA Operating and Storage Temperature Range T , T -65 to +150 C J stg Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. 10 X 1000 s, non-repetitive a t maximum I and V , see electrical characteristics. PPM CM 2. 1 square copper pad, FR-4 board 3. FR-4 board, using Littelfuse minimum recommended footprint, as shown in 403A case outline dimensions spec. ELECTRICAL CHARACTERISTICS I (T = 25C unless otherwise noted) A I F Symbol Parameter I Maximum Reverse Peak Pulse Current PP V Clamping Voltage I C PP V V V V Working Peak Reverse Voltage C BR RWM RWM V I V R F I Maximum Reverse Leakage Current V I R RWM T V Breakdown Voltage I BR T I Test Current T I Forward Current F I PP V Forward Voltage I F F Uni-Directional TVS ELECTRICAL CHARACTERISTICS (T = 25C unless otherwise noted) J Parameter Conditions Symbol Min Typ Max Unit Zener Voltage (Note 5) IT = 1 mA V 13.2 13.75 14.3 V BR Reverse Leakage Current V = 12 V I 5.0 A RWM R Clamping Voltage I = 30.2 A V 19.9 V PPM CM (Per Figure 1, Note 6) Forward Peak Voltage I = 30 A V 3.5 V F F (Note 4) 4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, non-repetitive duty cycle. 5. VZ measured at pulse test IT at an ambient temperature of 25C. 6. Absolute Maximum Peak Current, I . PPM Specifications subject to change without notice. 2016 Littelfuse, Inc. Publication Order Number: 2 September 19, 2016 Rev. 0 NSB12AN/D