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1N4625D
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Product Detailed Parameters
- Description：DIODE ZENER 5.1V 500MW DO7
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±1%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：1500 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 3 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AA, DO-7, Axial
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4625D is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 5.1 V with a tight tolerance of ±1%. The device operates in the DO-35 axial leaded glass package, providing a maximum power dissipation of 500 mW. Key electrical parameters include a maximum dynamic impedance of 1500 Ohms and a maximum reverse leakage current of 5 µA at 3 V. It supports an extended operating temperature range from -65°C to +175°C.
Feature Summary
- Hermetically sealed glass axial-leaded construction for environmental protection
- Tight voltage tolerance of ±1% for precision regulation requirements
- Extended high-temperature operational capability up to 175°C
Applications
- Precision voltage reference circuits
- Over-voltage protection stages
- Low-noise voltage regulation systems
Procurement Notes
Verify the specific suffix 'D' indicates the required ±1% tolerance level against standard commercial variants. Confirm hermetic sealing requirements align with MIL-PRF-19500 standards if applicable. Ensure the DO-35 package dimensions fit the target PCB layout constraints before finalizing procurement orders.
Selection Notes
Select this component when strict voltage accuracy is critical compared to standard 5% tolerance parts. The DO-35 package suits through-hole mounting designs requiring robust mechanical stability. Consider the thermal management capabilities provided by the glass encapsulation for high-reliability environments.
Part Context
This part belongs to the 1N4625 series of low-noise Zener diodes manufactured by Microchip Technology. The series offers various tolerance options, with the 'D' suffix specifically denoting the tighter ±1% specification. These components are widely used in aerospace and military electronics due to their reliability and performance characteristics.
Replacement Considerations
JANTX1N4625D-1
FAQ
What does the 'D' suffix indicate in the part number?
The 'D' suffix specifies a voltage tolerance of ±1%, which is tighter than the standard ±5% tolerance found in other variants.
Is the 1N4625D hermetically sealed?
Yes, the device utilizes a hermetically sealed glass DO-35 package to ensure reliability in harsh environments.
