On Semiconductor

<p>The BZX79C3V9-T50A is a Zener diode from ON Semiconductor designed for voltage regulation and protection applications. It features a nominal Zener voltage of 3.9V with ±5% tolerance and a maximum power dissipation of 500mW. The device offers a maximum reverse leakage current of 10µA at 1V reverse voltage and a maximum forward voltage of 1.5V at 100mA forward current. The Zener impedance (Zzt) is 90Ω maximum. This diode is housed in a DO-204AH (DO-35) axial-lead through-hole package, suitable for automated insertion and manual assembly. The operating temperature range spans from -65°C to 200°C, making it suitable for a wide range of environments. Typical applications include voltage clamping, reference voltage generation, and overvoltage protection in low-power circuits.</p>

<p>The ESD9L5.0ST5G is an ultra-low capacitance ESD protection diode from On Semiconductor (onsemi). It is designed to protect sensitive electronic components from electrostatic discharge (ESD) and transient voltage events. With a standoff voltage of 5V and a clamping voltage of 9.8V, it provides reliable protection for voltage-sensitive circuits.</p><p>&nbsp;</p><p>Key electrical characteristics: The device offers ultra-low capacitance of 0.5 pF typical at 1 MHz, making it ideal for high-speed data lines such as USB 2.0 and antenna connections. It provides ESD protection up to ±10 kV contact and ±15 kV air per IEC 61000-4-2. Response time is typically less than 1 ns. Peak pulse current is 1 A (8/20 µs).</p><p>&nbsp;</p><p>Mechanical and thermal: The diode is housed in a small SOD-923 surface mount package with body dimensions of 1.00 mm x 0.60 mm and height of 0.4 mm, suitable for space-constrained designs. It has a power dissipation of 150 mW on FR-5 board at 25°C. Operating temperature range is -55°C to 150°C. The device is lead-free, RoHS compliant, and MSL 1.</p><p>&nbsp;</p><p>Applications: General purpose ESD protection, high-speed data lines, USB 2.0, antenna lines, and portable electronics. The low capacitance ensures minimal signal degradation.</p>

<p>The BZX84C62LT1G is a 62V Zener diode from On Semiconductor, designed for voltage regulation in space-constrained applications. It features a nominal zener voltage of 62V with ±6% tolerance, maximum zener impedance of 215Ω, and reverse leakage current of 50nA at 43.4V. Forward voltage is typically 900mV at 10mA. Power dissipation is 250mW when mounted on FR-4 or FR-5 board, with an operating junction temperature range of -65°C to 150°C. The device is housed in a SOT-23-3 surface mount package (TO-236, SC-59) with gull wing terminals, compatible with automated assembly processes. It is supplied in tape and reel packaging of 3000 units. The BZX84C62LT1G is RoHS3 compliant and Pb-Free, and carries an ESD rating of Class 3 (&gt;16 kV) per the Human Body Model, making it suitable for portable electronics, cellular phones, and high-density PCBs.</p>