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1N4781A/TR is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is DIODE ZENER 8.5V 500MW DO204AH. Review the specifications below when checking this part for your BOM.
No, the 1N4781A/TR is not a temperature compensated device. It belongs to the standard voltage regulator series, unlike the 1N4782A/TR or 1N4769/TR which are explicitly documented as temperature compensated.
The 1N4781A/TR utilizes an axial leaded package configuration, consistent with the DO-35 (DO-204AH) form factor used by the 1N4783A and similar components in this product family.
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