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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 150MA DO204AH
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 V
- Current - Average Rectified (Io)：150mA
- Voltage - Forward (Vf) (Max) @ If：750 mV @ 35 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：150 nA @ 16 V
- Capacitance @ Vr, F：4.5pF @ 0V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AH, DO-35, Axial
- Supplier Device Package：DO-204AH (DO-35)
- Operating Temperature - Junction：-65°C ~ 150°C
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Overview
The Microchip Technology 1N6857-1 is a Schottky barrier rectifier diode designed for high-reliability applications. It features a single silicon element with a maximum average forward rectified current of 0.075 A and is housed in a DO-35 glass package. The device offers metallurgically bonded construction with an isolated case connection, ensuring robust performance in demanding environments.
Feature Summary
- Metallurgically bonded Schottky barrier construction
- Hermetically sealed glass package design
- Single element configuration for signal rectification
Applications
- High-reliability military electronic systems
- Aerospace circuit protection
- Harsh environment signal processing
Procurement Notes
Verify the specific revision level and qualification grade (JAN, JANTX, or JANTXV) required for your application, as these affect availability and testing standards. Confirm that the DO-35 package orientation matches your board layout constraints. Ensure compliance with relevant military specifications during integration to maintain system integrity and reliability targets.
Selection Notes
Select this component when hermetic sealing and low forward voltage drop are critical for maintaining efficiency in sensitive circuits. The DO-35 package suits through-hole mounting requirements where space allows. Consider the 0.075 A current limit when designing power stages to ensure adequate headroom under peak load conditions without exceeding thermal limits.
Part Context
This part belongs to the Microsemi/Microchip family of Schottky barrier diodes known for fast switching speeds and low leakage currents. It complements other variants like the CDLL6857E3, which shares similar electrical characteristics but utilizes a different surface-mount MELF package format for automated assembly processes.
Replacement Considerations
Direct substitutes include the CDLL6857E3 for surface-mount applications, though package differences require layout adjustments. Verify pin compatibility and thermal management strategies when transitioning between axial leaded and surface-mount equivalents.
