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1N4758A G
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Product Detailed Parameters
- Description：DIODE ZENER 56V 1W DO204AL
- Series：-
- Mfr：Microsemi Corporation
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：56 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：110 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 42.6 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microsemi Corporation 1N4758A G is a Zener diode designed for voltage regulation and reference applications. It features a nominal Zener voltage of 22 volts with a tolerance of ±5%. The device is rated for a maximum power dissipation of 1 watt at a specified case temperature. It utilizes an axial leaded package configuration, specifically the DO-41 style, which facilitates through-hole mounting on printed circuit boards. The component operates within a standard junction temperature range suitable for general electronic circuits requiring stable voltage clamping or regulation.
Feature Summary
- Provides stable voltage regulation at a nominal 22-volt level
- Capable of handling one-watt power dissipation under defined thermal conditions
- Constructed with axial leads for reliable through-hole PCB integration
Applications
- Voltage regulation in DC power supply circuits
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in analog signal processing
Procurement Notes
Verify the specific suffix 'G' against the manufacturer's current datasheet to confirm compliance with RoHS directives and material composition requirements. Ensure the ordering information matches the exact electrical specifications required for your design, particularly the Zener voltage tolerance and power rating. Confirm package dimensions align with your PCB footprint before finalizing procurement.
Selection Notes
Select this component when a 22-volt Zener reference is needed with one-watt power handling capability. Consider the axial leaded package constraints regarding board space and mounting orientation. Evaluate thermal management requirements to ensure the junction temperature remains within safe operating limits during continuous operation.
Part Context
This part belongs to the standard Zener diode family produced by Microsemi Corporation. These devices are commonly used in industrial and commercial electronics for basic voltage control tasks. The 1N47xx series is widely recognized for its reliability in low-to-medium power regulation scenarios.
Replacement Considerations
Check for equivalent parts from other manufacturers offering identical 22V, 1W specifications in a DO-41 package. Verify pinout compatibility and thermal characteristics before substituting.
