The SMAJ70CA-13-F from Diodes Incorporated is a high-quality Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by system inductive load switching and lightning. This robust TVS diode is ideal for the protection of I/O interfaces, VCC bus, and other vulnerable circuits used in a wide range of applications, including consumer electronics, automotive, telecommunications, and industrial systems.

Key Features

• Bi-directional Protection: The SMAJ70CA-13-F offers bi-directional clamping, making it suitable for AC applications or where the polarity is reversible.
• High Surge Capability: With a peak pulse power dissipation of 400W at 10/1000μs waveform, this device can withstand significant voltage spikes, ensuring reliable protection against surges.
• Low Incremental Surge Resistance: The surge resistance is minimized to ensure low clamping voltage during high surge events.
• Fast Response Time: The TVS diode provides a response time of less than 1 picosecond from 0V to BV min, offering immediate protection against transient overvoltages.
• Operating Junction Temperature: It operates within a junction temperature range of -55°C to +150°C, suitable for various environmental conditions.
• DO-214AC (SMA) Package: The compact SMA package allows for efficient PCB layout and is compatible with standard soldering processes.
• Lead-Free and RoHS Compliant: The SMAJ70CA-13-F is lead-free and complies with the RoHS directive, making it an environmentally friendly choice.

Electrical Characteristics

The device features a stand-off voltage (V_RWM) of 70V, with a maximum leakage current of less than 1μA at V_RWM. Its breakdown voltage (V_BR) is 77.8V minimum and 86.2V maximum with a test current of 1mA. The maximum clamping voltage (V_C) is 113V at a peak pulse current (I_PPM) of 3.5A.

Applications

The SMAJ70CA-13-F is designed to provide protection in a variety of applications, including:

• Power supply circuits
• Portable devices
• Communication systems
• Microprocessor-based equipment
• Networks and data lines

With its robust design and superior electrical characteristics, the SMAJ70CA-13-F is an excellent choice for designers looking to enhance the durability and reliability of their electronic systems.