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Product Detailed Parameters
- Description：DIODE ZENER 51V 500MW SQ-MELF
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：51 V
- Tolerance：±5%
- Power - Max：500 mW
- Impedance (Max) (Zzt)：85 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 39 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 1N6341US/TR is a surface-mount Zener diode with a nominal voltage of 51.0 V and a maximum power dissipation of 0.5 W. It operates within a junction temperature range of -65 °C to +175 °C. The device features a standard 5% voltage tolerance, a dynamic impedance of 85 ohms at 2.5 mA, and a maximum reverse current of 10 µA at 25 °C. It utilizes a voidless hermetically sealed glass package.
Feature Summary
- Hermetically sealed voidless hard glass construction with tungsten slugs
- Internal metallurgical bonds for enhanced reliability
- Non-sensitive to electrostatic discharge per MIL-STD-750 method 1020
- Inherently radiation hard
Applications
- High-reliability military applications
- Voltage regulation over broad operating currents
- Temperature-compensated reference circuits
Procurement Notes
Verify the specific ordering suffix against the manufacturer's nomenclature guide to confirm voltage tolerance and RoHS compliance status. Ensure the procurement specification explicitly requires the B-SQ MELF package format. Confirm that the required reliability level matches the available JAN, JANTX, JANTXV, or JANS qualifications per MIL-PRF-19500/533.
Selection Notes
Select this component when a 51 V breakdown voltage is required in a compact surface-mount form factor. Consider the thermal resistance values for derating calculations based on end-cap or ambient mounting conditions. Verify that the application environment does not exceed the specified forward voltage limits during transient events.
Part Context
This part belongs to the 1N6309US through 1N6355DUS series of 0.5 W Zener regulators. The series provides selections from 2.4 V to 200 V with various tolerance options. It serves as the surface-mount equivalent to the JEDEC registered axial-leaded 1N6309 through 1N6355 series.
Replacement Considerations
Direct replacements include other manufacturers' 1N6341 equivalents in the B-SQ MELF package. Verify that substitute parts meet the same MIL-PRF-19500/533 qualification levels if military-grade reliability is required.
