The SM8S14A-E3/2D is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay. It is designed to protect sensitive electronic components from voltage transients induced by inductive load switching and lightning strikes. It is particularly suitable for automotive and industrial applications where reliability and robustness are essential.

Applications

• Automotive Electronics (ECU Protection)
• Industrial Control Systems
• Power Supplies
• Telecommunication Equipment
• Relay Protection

Features

• Unidirectional Configuration
• 14 V Standoff Voltage
• High Surge Capability: 6600 W Peak Pulse Power (10/1000 μs waveform)
• Excellent Clamping Capability
• Low Incremental Surge Resistance
• Low Leakage Current
• AEC-Q101 Qualified
• RoHS Compliant
• E3 suffix indicates a lead (Pb)-free device

Benefits

• Robust Protection: Provides effective protection against voltage transients, preventing damage to sensitive circuits and improving system reliability.
• High Surge Handling: Withstands significant surge currents, ensuring continued operation during transient events.
• Automotive Grade: AEC-Q101 qualification ensures suitability for demanding automotive applications.
• Low Leakage Current: Reduces power consumption and improves overall system efficiency.
• Environmentally Friendly: RoHS compliance ensures the device meets environmental regulations.

Additional Details

The SM8S14A-E3/2D operates by clamping the voltage to a safe level when a transient event occurs, diverting excess current away from sensitive components. The 'E3' suffix signifies that the component is lead-free, complying with RoHS environmental standards. The '/2D' suffix relates to the packaging format, indicating tape and reel for automated assembly.

Key Specifications:

• Polarity: Unidirectional
• Reverse Stand-Off Voltage (Vrwm): 14 V
• Breakdown Voltage (Vbr): 15.6 V to 17.2 V
• Clamping Voltage (Vc) @ Ippm: 22.7 V
• Peak Pulse Current (Ippm) @ 10/1000 μs: 29.1 A
• Operating Temperature Range: -65 °C to +175 °C
• Package: DO-220AA (SM8S)

The device's robust design and high surge capability make it a reliable choice for protecting critical electronic systems in harsh environments.