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1SMA4756H is listed in the Single Zener Diodes range at ChipApex. The manufacturer field lists Taiwan Semiconductor Corporation. Its product description is DIODE ZENER 47V 1.25W DO214AC. Review the specifications below when checking this part for your BOM.
Single Zener Diodes specifications for 1SMA4756H
- Description：DIODE ZENER 47V 1.25W DO214AC
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：47 V
- Tolerance：±5%
- Power - Max：1.25 W
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 35.8 V
- Operating Temperature：-55°C ~ 175°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：DO-214AC, SMA
- Voltage - Forward (Vf) (Max) @ If：-
- Grade：Automotive
- Qualification：AEC-Q101
Single Zener Diodes datasheet and documents for 1SMA4756H
Single Zener Diodes Overview
The 1SMA4756H is a surface-mount silicon Zener diode manufactured by Taiwan Semiconductor Corporation. It features a nominal Zener voltage of 47 V with a tolerance of 5%. The device is housed in the DO-214AC (SMA) package and supports a maximum power dissipation of 1 W at 25°C, increasing to 1.25 W under specific thermal conditions. It operates within a junction temperature range of -55°C to +150°C and carries AEC-Q101 qualification for automotive reliability.
Single Zener Diodes Feature Summary
- AEC-Q101 qualified for automotive applications
- Glass passivated junction for stability
- Built-in strain relief mechanism
Single Zener Diodes Applications
- Automotive circuit protection
- Voltage regulation in compact electronics
- Surge suppression in automotive modules
Single Zener Diodes Procurement Notes
Verify that the part number suffix 'H' explicitly denotes AEC-Q101 automotive qualification in the official datasheet. Confirm the manufacturer is Taiwan Semiconductor Corporation. Ensure the package type matches DO-214AC requirements for your PCB layout.
Single Zener Diodes Selection Notes
Select this component when an automotive-grade Zener diode is required for voltage reference or protection. The 47 V rating suits specific regulation needs. The SMA package allows for automated surface-mount placement. Verify thermal management capabilities for high-power dissipation scenarios.
Single Zener Diodes Part Context
This component belongs to the 1SMA series of surface-mount Zener diodes from Taiwan Semiconductor. The series offers a wide voltage range and utilizes glass passivation technology. The 'H' suffix specifically indicates compliance with automotive quality standards, distinguishing it from standard industrial variants.
Single Zener Diodes Replacement Considerations
Cross-reference with other AEC-Q101 qualified Zener diodes in the DO-214AC package. Ensure equivalent Zener voltage, power dissipation, and leakage current specifications are met before substitution.
Explore related parts through Zener, Diodes, Discrete Semiconductor Products, all product categories.
