The SMAJ75AHE3/61 is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay. It is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

Applications:

• I/O Interfaces: Protection of input/output ports on electronic devices.
• Data Lines: Safeguarding data communication lines from voltage surges.
• Power Supplies: Protecting power supply circuits from transients.
• Microcontrollers: Protecting microcontrollers and other sensitive ICs.
• Automotive Electronics: Providing surge protection in automotive electronic systems.

Features:

• SMA Package: Compact surface mount package.
• Unidirectional Configuration: Designed to suppress positive voltage transients.
• Fast Response Time: Quickly clamps transient voltages to protect sensitive components.
• High Surge Capability: Withstands high surge currents without degradation.
• Glass Passivated Junction: Ensures reliable performance and high stability.
• RoHS Compliant: Compliant with RoHS directives, ensuring environmental friendliness.

Benefits:

• Transient Protection: Provides reliable protection against voltage transients.
• Compact Size: Small SMA package saves board space.
• Fast Response: Quickly clamps transient voltages, minimizing stress on protected components.
• High Reliability: Glass passivated junction ensures stable and reliable operation.
• Easy Assembly: Compatible with automated SMT assembly processes.

The SMAJ75AHE3/61 TVS diode is a crucial component for protecting electronic circuits from voltage transients. Its compact size, fast response time, and high surge capability make it a suitable choice for various applications requiring transient protection. The glass passivated junction ensures stable and reliable performance in demanding environments.

Technical Specifications:

• Package: SMA (DO-214AC)
• Standoff Voltage (Vrwm): 75 V
• Breakdown Voltage (Vbr): 83.3 V (Minimum)
• Clamping Voltage (Vc): 121 V (Maximum at Ipp = 3.3A)
• Peak Pulse Power (Pppm): 400 W (at 10/1000 μs waveform)
• Operating Temperature: -65°C to +150°C