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AES1A-HF
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Product Detailed Parameters
- Description：DIODE STANDARD 50V 1A DO214AC
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：980 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：35 ns
- Current - Reverse Leakage @ Vr：5 µA @ 50 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-214AC, SMA
- Supplier Device Package：DO-214AC (SMA)
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The AES1A-HF is a surface-mount automotive rectifier diode manufactured by Comchip Technology. It features a Super Fast Recovery characteristic with a 1 A average forward current rating and a 50 V repetitive peak reverse voltage (VRRM). The device utilizes the SMA (DO-214AC) package for SMD/SMT installation. It operates within a temperature range of -55°C to +150°C junction temperature.
Feature Summary
- Super fast recovery time for efficient switching applications
- Automotive grade qualification for reliability in vehicle electronics
- Low forward voltage drop characteristics
Applications
- Automotive power supply circuits
- General purpose rectification in automotive modules
- DC-DC converter output stages
Procurement Notes
Verify the specific suffix against the manufacturer's official datasheet to confirm electrical tolerances and packaging options. Ensure the component meets AEC-Q101 standards if required for your specific automotive application. Cross-reference the Mouser part number 750-AES1A-HF with the original Comchip documentation to validate authenticity and current production status before finalizing procurement.
Selection Notes
Select this component when a compact SMA package is required for high-speed rectification in automotive environments. The 50 V rating suits low-voltage DC systems, while the 1 A current capacity supports moderate load requirements. Consider thermal management capabilities within the -55°C to +150°C operating range during circuit design.
Part Context
This part belongs to Comchip Technology's automotive-grade rectifier series, designed specifically for harsh automotive environments. It complements other SMA-packaged devices like the AES2DF-HF and AES2KF-HF, offering a balance of speed and current handling suitable for modern vehicle electronic control units and power distribution networks.
Replacement Considerations
Check for direct pin-compatible alternatives from Comchip such as AES1E-HF for higher voltage ratings. Verify that any substitute maintains the same SMA footprint and super-fast recovery specifications to ensure circuit compatibility without redesign.
