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1N4751A/TR
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Product Detailed Parameters
- Description：DIODE ZENER 30V 1W DO41
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：30 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：40 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 22.8 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 Microchip Technology 1N4751A/TR is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 30 V with a 5% tolerance, tested at 8.5 mA. The device dissipates up to 1 W of power and operates within a temperature range of -65 °C to +175 °C. Packaged in the DO-213AB (SMD/SMT) form factor, it exhibits a maximum reverse leakage current of 100 nA and a Zener impedance of 40 Ohms.
Feature Summary
- Provides stable voltage regulation using a single silicon junction structure
- Capable of handling high thermal loads with a 1 W power dissipation rating
- Operates reliably across extreme environmental temperatures from -65 °C to +175 °C
- Utilizes a compact surface-mount package for automated assembly integration
Applications
- Voltage reference circuits requiring precise potential levels
- Overvoltage protection stages in sensitive electronic systems
- Power supply output stabilization modules
- Clamping applications in signal processing paths
Procurement Notes
Verify the specific manufacturer datasheet for the 1N4751A/TR to confirm RoHS compliance status and exact packaging quantities. Ensure the procurement channel provides original manufacturer documentation to validate authenticity. Cross-reference the DO-213AB package dimensions against your PCB footprint requirements before finalizing orders.
Selection Notes
Select this component when a 30 V regulation point is required in a surface-mount design. The 1 W power rating supports moderate current loads without excessive heat sinking. Verify that the 40 Ohm impedance aligns with your circuit's dynamic response needs. Consider the wide operating temperature range for harsh environment deployments.
Part Context
This part belongs to the standard 1N47xx series of Zener diodes manufactured by Microchip Technology. It serves as a surface-mount alternative to through-hole variants like the 1N4751A. The TR suffix indicates reel packaging for high-volume manufacturing processes.
Replacement Considerations
Equivalent parts include the onsemi 1N4751A and Taiwan Semiconductor 1N4751A, though these utilize different through-hole packages. For direct surface-mount substitution, verify electrical parameters against other 30 V 1 W SMD Zener diodes from compatible manufacturers.
