Product Overview 1SMA28A: 400 Watt SMA Transient Voltage Suppressor, 28 V Unidirectional For complete documentation, see the data sheet Product Description The SMA series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time. The SMA series is supplied in ON Semiconductor's exclusive, cost-effective, highly reliable SURMETIC® package and is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. Features • • • • • • • • • • Reverse Stand-Off Voltage Range: 5.0-78 V Peak Power -- 400 Watts @ 1.0 ms ESD Rating of Class 3 (>16 kV) per Human Body Model Pico Seconds Response Time (0 V to BV) Flat Handling Surface for Accurate Placement Package Design for Top Side or Bottom Circuit Board Mounting Available in Tape and Reel Low Profile Package Case: Void-free, transfer-molded plastic FINISH: All external surfaces are corrosion resistant with readily solderable leads For more features, see the data sheet Part Electrical Specifications Product 1SMA28AT3G Compliance Status Dir V(BR) Typ (V) PPK Max (W) VRWM Max (V) IR Max (µA) VC Max (V) Package Type AEC Qualified Active Unidirectional 32.75 400 28 2.5 45.4 SMA-2 Active Unidirectional 32.75 400 28 2.5 45.4 SMA-2 Pb-free Halide free SZ1SMA28AT3G AEC Qualified PPAP Capable Pb-free Halide free For more information please contact your local sales support at www.onsemi.com Created on: 6/30/2016