1N4763AHR1G

Overview

The 1N4763AHR1G is a single Zener diode manufactured by Taiwan Semiconductor, designed for through-hole mounting in the DO-41 (DO-204AL) package. It features a nominal Zener voltage of 91 V with a tolerance of ±5%. The device dissipates up to 1 W of power and operates within a temperature range of -55 °C to +150 °C. Key electrical parameters include a maximum reverse leakage current of 5 µA and a Zener impedance of 250 Ω at a test current of 11 mA. It holds AEC-Q101 qualification.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range.
• Features hermetic sealing qualities inherent to the glass-body construction.
• Offers high thermal resistance performance suitable for demanding environments.

Applications

• Voltage regulation in automotive electronic systems requiring AEC-Q101 compliance.
• Protection circuits utilizing high-temperature stability.
• General-purpose voltage reference applications.

Procurement Notes

Verify the specific suffix 'R1G' against official Taiwan Semiconductor documentation to confirm reel packaging details and RoHS status. Confirm AEC-Q101 qualification requirements match the target application standards. Ensure the DO-41 package dimensions align with the PCB layout constraints before finalizing procurement.

Selection Notes

Select this component when a 91 V regulation point is required in a through-hole configuration. The AEC-Q101 qualification makes it suitable for automotive applications where reliability under thermal stress is critical. Compare the 250 Ω impedance against circuit sensitivity requirements to ensure adequate regulation performance.

Part Context

This part belongs to the 1N4763 series of silicon planar power Zener diodes. The 'H' suffix typically denotes hermetic sealing, while 'R1G' indicates specific tape-and-reel packaging and lead-free composition. It serves as a robust alternative to standard plastic encapsulated versions for harsh environment applications.

Replacement Considerations

Direct substitutes include the Microsemi MX1N4763AP or Vishay 1N4763A-TR, provided the package and electrical tolerances are compatible. Verify that replacement parts meet the same AEC-Q101 automotive qualification if required by the design.

FAQ

Is the 1N4763AHR1G qualified for automotive applications?

Yes, the datasheet specifies AEC-Q101 qualification, indicating suitability for automotive electronics.

What is the maximum operating junction temperature?

The maximum operating temperature is specified as +150 °C.