TSSA3U45

Ⅰ.Overview of TSSA3U45

The TSSA3U45 is a high-performance single Schottky rectifier diode from Taiwan Semiconductor Corporation, categorized under discrete semiconductor products. It delivers reliable rectification with low forward voltage drop, high current handling, and wide temperature adaptability, ideal for diverse surface-mount electronic applications.

Ⅱ.TSSA3U45 Parameter

Category:Discrete Semiconductor Products,Diodes,Rectifiers,Single Diodes

Mfr:Taiwan Semiconductor Corporation

Packaging:Tape & Reel

Part Status:Active

Technology:Schottky

Voltage - DC Reverse (Vr) (Max):45 V

Current - Average Rectified (Io):3A

Voltage - Forward (Vf) (Max) @ If:480 mV @ 3 A

Current - Reverse Leakage @ Vr:500 µA @ 45 V

Mounting Type:Surface Mount

Package / Case:DO-214AC, SMA

Operating Temperature - Junction:-55°C ~ 150°C

Ⅲ.TSSA3U45 Main Characteristics

Low Forward Voltage Drop:480 mV max @ 3 A minimizes power dissipation, boosting overall circuit efficiency.

High Current Capacity:3 A average rectified current supports high-power load requirements in medium-to-large electronic systems.

Enhanced Reverse Voltage Rating:45 V max DC reverse voltage provides robust protection against voltage spikes.

Controlled Reverse Leakage:500 µA @ 45 V ensures stable performance with minimal energy loss in reverse bias.

Wide Temperature Range:Operates reliably from -55°C to 150°C, suitable for extreme environmental conditions.

Standard Surface-Mount Package:DO-214AC (SMA) form factor offers compatibility with standard PCB layouts and automated assembly.

Mass-Production Friendly:Tape & Reel packaging enables efficient pick-and-place processes for high-volume manufacturing.

Fast Switching Response:Schottky technology ensures rapid turn-on/off times, optimizing performance in high-frequency circuits.

Ⅳ.TSSA3U45 Application 

Power Supply Units:Rectification in AC-DC power supplies for industrial equipment, consumer electronics,and automotive electronics.

DC-DC Converters:Efficient current rectification in buck, boost, and flyback converters for telecom and computing systems.

Automotive Electronics:Reverse polarity protection, battery management, and powertrain control modules (PCMs).

Battery Charging Systems:Fast-charging circuits for laptops, power tools, and electric vehicle (EV) auxiliary systems.

Motor Drives:Freewheeling diodes in brushless DC (BLDC) motor controllers and industrial automation equipment.

High-Frequency Circuits:RF rectifiers in communication devices, IoT gateways, and satellite receivers.

LED Lighting:Current regulation in high-power LED drivers for commercial and industrial illumination.

Industrial Control Systems:Power conditioning in PLCs (Programmable Logic Controllers) and sensor modules.

Ⅴ.Conclusion

The TSSA3U45 stands out for its high current handling, low power loss, and wide operating temperature range, making it a reliable choice for demanding electronic applications. Its robust specifications and Schottky technology ensure consistent performance across automotive, industrial, and consumer electronics sectors.