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Product Detailed Parameters
- Description：DIODE ZENER 75V 500MW SQ-MELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：75 V
- Tolerance：±1%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：180 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 56 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 1N6345DUS/TR is a Zener diode manufactured by Microchip Technology, designed for surface-mount applications. It features a nominal Zener voltage of 75V and operates at a test current of 1.7mA. The device exhibits a maximum dynamic impedance of 180 Ohms. Packaged in the SQ SMT form factor with tape-and-reel delivery, this component serves as a voltage regulator within electronic circuits requiring stable reference voltages.
Feature Summary
- Provides stable voltage regulation through Zener breakdown characteristics
- Engineered for surface-mount integration into compact circuit designs
- Maintains consistent performance under specified operating conditions
Applications
- Voltage reference circuits
- Overvoltage protection systems
- Power supply regulation modules
Procurement Notes
Verify the exact part number against official Microchip documentation to ensure compatibility with design requirements. Confirm package type and reel specifications prior to ordering. Check current availability status as supply levels may fluctuate. Ensure compliance with relevant environmental standards required for the specific application environment.
Selection Notes
Select this component when a 75V Zener voltage is required in a small surface-mount package. Consider the 180 Ohm dynamic impedance for noise-sensitive applications. Evaluate thermal management needs based on the power dissipation capabilities of the SQ SMT package. Compare against alternative voltage regulators if tighter tolerance or lower impedance is necessary.
Part Context
This component belongs to the 1N634x series of Zener diodes produced by Microchip Technology. These devices are commonly used in industrial and commercial electronics where reliable voltage regulation is critical. The series offers various voltage options to suit different circuit design needs while maintaining consistent packaging and performance characteristics across the range.
Replacement Considerations
Consult Microchip's official substitution guide for verified alternatives. Cross-reference electrical parameters such as Zener voltage, test current, and dynamic impedance before replacing. Ensure mechanical footprint compatibility if swapping with components from other manufacturers.
