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Product Detailed Parameters
- Description：DIODE ZENER 24V 500MW SQ-MELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：24 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：24 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 18 V
- Operating Temperature：-65°C ~ 175°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SQ-MELF, B
- Voltage - Forward (Vf) (Max) @ If：1.4 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N6333US/TR is a surface-mount Zener voltage regulator with a nominal breakdown voltage of 24.0 V and a maximum power dissipation of 0.5 W. It utilizes a B-SQ MELF package featuring voidless hermetically sealed glass construction and internal metallurgical bonds. The device exhibits a dynamic impedance of 24 ohms at a test current of 5.2 mA, with a reverse leakage current of 10 µA at 25 °C and 100 µA at 150 °C. It operates within a junction temperature range of -65 °C to +175 °C.
Feature Summary
- Hermetically sealed voidless hard glass package with tungsten slugs for robust construction.
- Internal Category I metallurgical bond ensuring high reliability in critical applications.
- Non-sensitive to electrostatic discharge per MIL-STD-750 method 1020.
- Inherently radiation hard suitable for demanding environments.
Applications
- High-reliability military systems requiring failure-tolerant components.
- Voltage regulation across broad operating current and temperature ranges.
- Radiation-hardened electronic circuits.
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm compliance status and packaging configuration. Confirm that the requested variant matches the required reliability level and RoHS compliance requirements. Ensure the component meets all specified electrical parameters before integration into the design.
Selection Notes
Select this component when a surface-mount equivalent to axial-leaded Zener diodes is required without compromising hermetic sealing or reliability. Consider the thermal resistance characteristics and derating curves for proper heat management. Verify that the 24 V nominal voltage aligns with the circuit's reference or regulation needs.
Part Context
This part belongs to the 1N6309US through 1N6355DUS series of 0.5 watt Zener voltage regulators. The series offers extensive voltage selections from 2.4 to 200 volts with standard 5% tolerances and tighter options. It serves as the surface-mount counterpart to the JEDEC registered axial-leaded series.
Replacement Considerations
JAN1N6333D
FAQ
What type of metallurgical bond does the 1N6333US utilize?
It utilizes an internal Category I metallurgical bond.
Is the device sensitive to electrostatic discharge?
No, it is non-sensitive to ESD per MIL-STD-750 method 1020.
