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1N4758A B0G
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Product Detailed Parameters
- Description：DIODE ZENER 56V 1W DO204AL
- Series：-
- Mfr：Taiwan Semiconductor 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：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：-
- Qualification：-
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Overview
The 1N4758AHB0G is a silicon planar power Zener diode manufactured by Taiwan Semiconductor. It features a 56V nominal Zener voltage with a 5% tolerance and a 1W power dissipation rating at 25°C ambient temperature. The device utilizes a DO-41 (DO-204AL) through-hole glass axial package. Key electrical characteristics include a maximum dynamic impedance of 110 Ohms and a maximum reverse leakage current of 5uA. It operates within a junction temperature range up to 150°C and supports storage temperatures from -55°C to +200°C.
Feature Summary
- Hermetically sealed glass compression bonded construction for high reliability
- Corrosion resistant external surfaces with readily solderable tin-lead finish terminals
- Designed for stabilizing and clipping circuits in demanding environments
Applications
- General purpose industrial applications
- Military and space applications
- Voltage regulation and reference circuits
Procurement Notes
Verify the specific suffix 'HB0G' against the manufacturer's official datasheet to confirm exact packaging, tape-and-reel specifications, and AEC-Q101 automotive qualification status. Ensure the ordering part number matches the required RoHS compliance and terminal finish details provided in the latest technical documentation before procurement.
Selection Notes
Select this component for designs requiring robust voltage regulation in harsh environments due to its hermetic sealing and corrosion resistance. The DO-41 package facilitates easy through-hole mounting. Consider the 110 Ohm dynamic impedance when designing precision reference circuits, as it impacts regulation accuracy under varying load currents.
Part Context
This component belongs to the 1N47xx series of silicon planar power Zener diodes. These devices are widely used for general-purpose voltage regulation. The specific variant includes automotive qualification (AEC-Q101), distinguishing it from standard commercial grade parts in the same voltage class.
Replacement Considerations
Cross-reference with other manufacturers' 1N4758A equivalents such as those from onsemi or CDIL. Verify that substitute parts meet the same 1W power rating, 56V Zener voltage, and DO-41 package dimensions.
