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1N5519CUR-1/TR
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Product Detailed Parameters
- Description：DIODE ZENER 3.6V 500MW DO213AA
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：3.6 V
- Tolerance：±2%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：24 Ohms
- Current - Reverse Leakage @ Vr：3 µA @ 1 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- 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 1N5519CUR-1 is a low voltage avalanche Zener diode with a nominal breakdown voltage of 3.6 V at a test current of 20 mA. It features a ±2% voltage tolerance and operates within a power dissipation range up to 0.5 W. The device utilizes a hermetically sealed DO-213AA MELF surface mount package and includes an internal metallurgical bond for enhanced reliability.
Feature Summary
- Hermetically sealed glass MELF package construction
- Internal metallurgical bond option
- Qualified per MIL-PRF-19500/437 standards
- Minimal capacitance characteristics
Applications
- Voltage regulation over broad operating ranges
- ESD protection in sensitive circuits
- Radiation-hardened electronic systems
Procurement Notes
Verify the specific suffix configuration against the datasheet nomenclature table to ensure correct tolerance and RoHS compliance status. Confirm that the ordering information matches the required JEDEC type number and metallurgical bond specifications before finalizing procurement orders.
Selection Notes
Select this component when a precise 3.6 V reference is required in a surface mount form factor. The ±2% tolerance offers tighter regulation than standard commercial variants. Ensure the mounting surface coefficient of expansion matches the device's axial coefficient to prevent mechanical stress during thermal cycling.
Part Context
This part belongs to the 1N5518BUR-1 through 1N5546BUR-1 series of low voltage avalanche Zener diodes. The series provides a selection from 3.3 to 33 volts with various tolerance options. These devices are designed for applications requiring high reliability and radiation hardness in compact surface mount packages.
Replacement Considerations
JAN1N5519B-1
FAQ
What does the 'C' suffix indicate in the part number?
The 'C' suffix indicates a voltage tolerance of plus or minus 2 percent.
How is polarity indicated on the device?
Polarity is indicated by a cathode band where the diode is operated with the banded end positive with respect to the opposite end for Zener regulation.
