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1N4625UR
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Product Detailed Parameters
- Description：DIODE ZENER 5.1V 500MW DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：1500 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 3 V
- Operating Temperature：-65°C ~ 175°C
- Mounting Type：Surface Mount
- Package / Case：DO-213AA
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N4625UR is a 0.5 W glass surface mount Zener voltage regulator in the DO-213AA package. It provides a nominal Zener voltage of 5.1 V with standard 5% tolerance. The device features an internal metallurgical bond, identified by the suffix, ensuring robust construction for high-reliability applications. Qualified levels include JAN, JANTX, JANTXV, and JANS per MIL-PRF-19500/435. Operating temperature ranges from -65°C to +175°C. Key electrical parameters include a maximum reverse leakage current of 5 µA at 3 V and a maximum Zener impedance of 1500 Ohms.
Feature Summary
- Internal metallurgical bond construction for enhanced reliability
- Surface mount equivalent to JEDEC registered axial-leaded series
- Qualified for military standards including JANS level
Applications
- High-reliability voltage regulation circuits
- Military and aerospace electronic systems
- Precision reference voltage sources
Procurement Notes
Verify the specific qualification level (JAN, JANTX, JANTXV, or JANS) required for your application, as these prefixes denote different reliability grades within the same electrical specification. Confirm RoHS status if environmental compliance is mandatory, noting that some military variants may not be compliant. Ensure the DO-213AA footprint matches your PCB design constraints.
Selection Notes
Select this component when a surface mount Zener diode with a metallurgical bond is required for rugged environments. Compare against axial equivalents like 1N4625-1 if through-hole mounting is preferred. Consider tighter tolerance variants if the standard 5% voltage accuracy is insufficient for the target circuit design.
Part Context
This part belongs to the 1N4614UR-1 through 1N4627UR-1 series of 0.5 W glass surface mount Zener diodes. These devices are designed as direct surface mount replacements for traditional axial-leaded components, maintaining similar electrical characteristics while offering compact packaging suitable for modern assembly techniques.
Replacement Considerations
Direct substitutes include other 1N4625 variants with different qualification prefixes such as JAN1N4625UR-1 or JANTX1N4625UR-1, provided the specific reliability grade meets system requirements.
