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1N3525A is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is DIODE ZENER 20V 500MW DO204AH. Review the specifications below when checking this part for your BOM.
The Microchip Technology 1N3525A is a Zener voltage regulator diode designed for through-hole mounting in the DO-204AH (DO-35) axial leaded package. It features a nominal Zener voltage of 18 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within a junction temperature range of -65°C to +175°C. Key electrical characteristics include a maximum Zener impedance of 25 Ohms and a forward voltage of 1.1 V at 200 mA.
Verify component authenticity by cross-referencing the manufacturer part number against official datasheets. Confirm RoHS compliance status, as legacy variants may differ from current production runs. Ensure the specific ordering suffix matches the required tolerance and packaging configuration before finalizing procurement orders.
Select this component when an 18 V regulation point is required with moderate power handling capabilities. Verify that the circuit design accommodates the specified thermal dissipation limits. Ensure the operating environment remains within the defined temperature boundaries to maintain parameter stability and reliability over the product lifecycle.
This device belongs to the 1N35xx series of Zener diodes manufactured by Microchip Technology. These components are widely utilized in discrete semiconductor applications where robust voltage regulation is necessary. The series offers various voltage options within a standardized package format to facilitate design flexibility.
Direct substitutes include the 1N5541B and 1N5744B from Microchip Technology. Verify pinout compatibility and electrical specifications match the original design requirements before implementing any alternative components.
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