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The Microchip Technology 2N5346 is a silicon Zener diode belonging to the JEDEC registered 1N5333-5388B series. It features an axial leaded T-18 plastic package with two terminals and isolated case connection. The device provides a nominal Zener voltage of 9.1V with a standard tolerance of plus or minus 10%, indicated by the 'A' suffix. Rated for 5W power dissipation, it operates within a temperature range of -65°C to +150°C junction temperature. The component is RoHS compliant and manufactured from silicon.
Verify the exact manufacturer source, as historical production may involve Microsemi or Microchip Technology. Confirm RoHS compliance status and specific tolerance suffix requirements against current datasheets. Ensure the axial leaded T-18 package matches the target PCB footprint. Validate that the 5W power rating aligns with the thermal management capabilities of the final assembly environment.
Select this component when a 9.1V reference with 10% tolerance is required in a high-power axial package. Consider the 5W dissipation capability and operating temperature range for thermal design. Verify compatibility with existing JEDEC registered series designs. Evaluate heat sinking requirements due to the relatively high power handling compared to smaller surface-mount alternatives.
This component is part of the broader 1N5333 to 1N5388B series, which offers various Zener voltages ranging from 3.3V to 200V. The series is characterized by its axial-leaded form factor and robust power handling. Different tolerances are available through specific letter suffixes, allowing designers to choose between tighter 5% (B suffix) or standard 10% (A suffix) specifications based on circuit precision needs.
Cross-reference with other manufacturers offering JEDEC registered 1N53xx series parts. Verify pinout, package dimensions, and electrical parameters match exactly. Check for any changes in material composition or manufacturing origin that might affect long-term reliability.