110 V Zener at ±2% — precision reference in a DO-35 axial package
The Microchip Technology 1N6025C is a 110 V Zener diode in a DO-204AH (DO-35) axial-lead through-hole package, rated for 500 mW continuous power dissipation. The ±2% tolerance on the nominal Zener voltage makes it suitable for precision voltage reference and clamping applications where a standard 5% Zener would introduce too much drift.
The 110 V nominal Zener voltage at a test current implied by the 500 mW rating sets the regulation point. The 650 Ohms maximum Zener impedance (Zzt) means the diode's dynamic resistance is relatively high — expect the regulation voltage to shift by roughly 65 mV per mA of bias current change. For stable reference applications, bias the diode at a constant current above the knee. Reverse leakage is specified at 100 nA maximum at 84 V reverse bias — that is 76% of the nominal Zener voltage, so the leakage is well-characterised below the breakdown knee. The -65°C to 175°C operating temperature range covers military and industrial thermal profiles, including engine-bay and downhole environments.
Through-hole assembly — board-fit and packaging
The DO-35 axial package (DO-204AH) has a body diameter of approximately 1.8 mm and a length of 4.5 mm, with 0.020-inch diameter leads. It is supplied in Bulk packaging — loose tubes or anti-static bags — which suits manual insertion, low-volume production, or prototype builds. For automated assembly, verify the feeder compatibility; tape-and-reel packaging is not listed for this variant.