PANJIT

<p>The 1SMA5921_R1_00001 is a 6.8V surface mount Zener diode from PANJIT, part of the 1SMA5921 series. It features a nominal Zener voltage of 6.8V with ±5% tolerance, and a maximum power dissipation of 1.5W when mounted on specified land areas. The device offers low impedance of 3Ω at a test current of 55.1mA, and a maximum Zener impedance of 200Ω at 1mA.</p><p>&nbsp;</p><p>This Zener diode is designed for general purpose voltage regulation and protection circuits in surface mount applications. It is housed in a JEDEC DO-214AC (SMA) molded plastic package with solder plated terminals, compatible with standard reflow soldering processes. The operating junction temperature range is -55°C to 150°C, with a peak forward surge current rating of 10A.</p><p>&nbsp;</p><p>The component is RoHS3 compliant and uses a green molding compound as per IEC 61249. Typical applications include voltage clamping, reference voltage sources, and overvoltage protection in compact electronic assemblies.</p>

<p>The PANJIT 1.5SMCJ18CA-AU_R1_000A1 is a bidirectional transient voltage suppressor (TVS) diode from the 1.5SMCJ series, offering 1500W peak pulse power capability (10/1000µs waveform). It provides robust protection against voltage transients in automotive and industrial environments.</p><p>&nbsp;</p><p>Electrical characteristics include a reverse standoff voltage of 18V, a minimum breakdown voltage of 20V, and a maximum clamping voltage of 29.2V at a peak pulse current of 51.4A. The device also features ±30kV ESD protection (air and contact discharge) per IEC-61000-4-2, ensuring reliable immunity to electrostatic discharges.</p><p>&nbsp;</p><p>Housed in a DO-214AB (SMC) surface mount package with solder-plated terminals, the diode supports high-temperature soldering up to 260°C for 10 seconds. It operates over a junction temperature range of -55°C to 150°C and has a thermal resistance of 50°C/W. The plastic package is rated UL 94V-0 for flammability.</p><p>&nbsp;</p><p>The diode is lead-free and halogen-free per the datasheet, with a green molding compound compliant to IEC 61249. It is designed for automotive applications and is suitable for surge protection on power lines, I/O interfaces, and other sensitive circuits.</p>