Description:Zener Voltage Range - 3.3 V to 200 V; ESD Rating of Class 3 (>16 KV) per Human Body Model; Flat Handling Surface for Accurate Placement; Package Design for Top Side or Bottom Circuit Board Mounting Mechanical Characteristics:; CASE: Void-free, transfer-molded plastic; FINISH: All external surfaces are corrosion resistant with readily solderable leads; MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES: 260°C for 10 seconds; LEADS: Modified L-Bend providing more contact area to bond pads; POLARITY: Cathode indi
A good PCB layout for the 1SMB5919BT3G involves keeping the leads as short as possible, using a solid ground plane, and minimizing the distance between the device and the circuit's 0V reference point. Additionally, it's recommended to use a 10nF to 100nF capacitor between the cathode and anode to reduce noise and improve stability.
To ensure proper biasing, the 1SMB5919BT3G requires a stable voltage supply, and the recommended operating voltage is between 5V to 24V. The device should be biased with a resistor divider network or a voltage regulator to maintain a stable voltage across the device. It's also important to ensure the device is operated within its recommended operating temperature range of -55°C to 150°C.
The 1SMB5919BT3G has a maximum junction temperature of 150°C. To ensure reliable operation, it's essential to provide adequate heat sinking and thermal management. This can be achieved by using a heat sink, thermal interface material, and ensuring good airflow around the device. The device's thermal resistance (RθJA) is 25°C/W, and the maximum power dissipation is 500mW.
To protect the 1SMB5919BT3G from EOS and ESD, it's recommended to use a transient voltage suppressor (TVS) or a zener diode in parallel with the device. Additionally, handling the device by its body or using an anti-static wrist strap can prevent ESD damage. It's also essential to follow proper PCB design and layout guidelines to minimize the risk of EOS and ESD.
The 1SMB5919BT3G is manufactured by onsemi, which adheres to strict quality and reliability standards. The device is qualified to AEC-Q101, which ensures it meets the automotive industry's stringent reliability and quality requirements. Additionally, onsemi follows a rigorous testing and inspection process to ensure the device meets its specified performance and reliability characteristics.
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1SMB5919BT3G Overview
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