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1N459ATR is listed in the Single Diodes range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is DIODE STD 200V 500MA DO204AH. Review the specifications below when checking this part for your BOM.
The Fairchild Semiconductor 1N459ATR is a small signal switching diode manufactured by onsemi. It features a DO-35 through-hole package and operates with a peak reverse voltage of 200 V. The device supports a forward current of 500 mA and a maximum surge current of 4 A. Key electrical parameters include a forward voltage of 1 V, a reverse current of 25 nA, and an operating temperature range from -65 C to +175 C.
Verify the manufacturer designation as onsemi, which acquired Fairchild Semiconductor's discrete business. Confirm the specific suffix 'ATR' corresponds to reel or cut tape packaging options rather than functional changes. Ensure compliance with RoHS and REACH standards by checking the official datasheet documentation provided by the current manufacturer.
Select this component when a high-conductance, low-leakage diode is required for general-purpose switching. The 200 V reverse voltage rating distinguishes it from lower-voltage variants in the series. Consider the DO-35 through-hole package for standard PCB mounting requirements where surface-mount alternatives are not feasible.
This part belongs to the 1N459A series of small signal switching diodes. It shares specifications with other variants like the 1N459 but differs in packaging format. The product line is characterized by high conductance and low leakage, making it suitable for various discrete semiconductor applications requiring reliable switching performance.
The 1N459 is a direct equivalent with bulk packaging. Verify pinout compatibility before substitution.
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