On Semiconductor

<p>The 1N5942BRLG is a Zener voltage regulator diode from the 1N59xxB series manufactured by onsemi. It provides a nominal Zener voltage of 51V with ±5% tolerance and a maximum power dissipation of 3W at a lead temperature of 75°C (derated at 24 mW/°C above 75°C). The device features a maximum Zener impedance of 70 Ω and a forward voltage of 1.5V @ 200mA. Reverse leakage current is 1 µA at 38.8V.</p><p>&nbsp;</p><p>The diode is housed in a DO-41 (DO-204AL) axial lead, transfer-molded plastic package suitable for through-hole mounting. It has an operating temperature range of -65°C to +200°C and a maximum lead soldering temperature of 260°C for 10 seconds. The part is rated for ESD Class 3 (&gt;16 kV) per Human Body Model and can handle surge power up to 98 W for 1 ms.</p><p>&nbsp;</p><p>Designed for general-purpose voltage regulation and protection circuits, this device is Pb-free and RoHS compliant per the datasheet. The axial package allows for hand or wave soldering in various through-hole PCB layouts.</p>

<p>The 1SMB5939BT3G is a 39V Zener voltage regulator diode from On Semiconductor's 1SMB59xxBT3G series. It is rated for 3W power dissipation at a lead temperature of 75°C, with a derating factor of 40 mW/°C above 75°C. The device offers a zener impedance of 45Ω and a reverse leakage current of 1µA at 29.7V.</p><p>&nbsp;</p><p>This diode is designed for surface mount applications and is housed in a DO-214AA (SMB) package. It features an ESD rating of Class 3 (&gt;16kV) per Human Body Model, making it suitable for robust applications. The operating temperature range is -65°C to 150°C.</p><p>&nbsp;</p><p>Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in various electronic circuits. The Pb-free and RoHS compliant construction ensures environmental compliance.</p>