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A315A
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Product Detailed Parameters
- Description：DIODE STANDARD 100V 3A AL4
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：100 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：950 mV @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：35 ns
- Current - Reverse Leakage @ Vr：3 µA @ 100 V
- Capacitance @ Vr, F：100pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204, Axial
- Supplier Device Package：AL-4
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The Harris Corporation A315A is a single-phase fast recovery rectifier diode designed for general-purpose applications. It features a maximum repetitive reverse voltage of 100 V and an average rectified forward current of 3 A. The device exhibits a maximum forward voltage drop and a reverse leakage current of 3 μA at the rated voltage. It operates within a junction temperature range of -65°C to +175°C and is housed in a bulk-packaged AL-4 through-hole package.
Feature Summary
- Fast recovery characteristics with a reverse recovery time of less than or equal to 500 ns
- High thermal stability supporting operation up to 175°C junction temperature
- Low reverse leakage current ensuring efficient blocking performance
Applications
- General-purpose rectification in power supplies
- Free-wheeling diodes in inductive load circuits
- DC-DC converter output stages
Procurement Notes
Verify the manufacturer designation as Harris Corporation or its successor entities, noting that original Harris Semiconductor assets were acquired by Intersil and subsequently Renesas. Confirm the specific package marking and pinout configuration matches the AL-4 through-hole specification. Ensure the component status is active if new production is required, or verify authenticity for surplus stock given the age of the original datasheet documentation.
Selection Notes
Select this component when a fast recovery diode with a 100 V rating and 3 A continuous current capacity is required. The low reverse leakage and high junction temperature capability make it suitable for environments with significant thermal stress. Compare against modern equivalents from other manufacturers if lead-free compliance or updated packaging options are necessary for the specific assembly process.
Part Context
The A315A belongs to the A315 series of fast recovery rectifiers manufactured by Harris Corporation. This series includes variants with different voltage ratings, such as the A315B for 200 V applications. The series was designed to provide reliable performance in switching power applications before the consolidation of Harris Semiconductor into other corporate entities.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult current manufacturer catalogs for equivalent fast recovery diodes with matching electrical specifications and package dimensions.
