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AL1A
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Product Detailed Parameters
- Description：DIODE AVALANCHE 50V 1A DO213AA
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：1.5 µs
- Current - Reverse Leakage @ Vr：3 µA @ 50 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-213AA
- Supplier Device Package：DO-213AA (MINIMELF)
- Operating Temperature - Junction：-50°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The AL1A is a standard avalanche SMD rectifier diode from Diotec Semiconductor, rated for a maximum average forward current of 1 A at 75°C. It features a peak repetitive reverse voltage of 100 V and supports non-repetitive peak reverse avalanche energy of 20 mJ. The device operates within a junction temperature range of -50 to +175°C. Forward voltage is less than 1.2 V at 1 A, with leakage current below 3 µA at 25°C. Typical reverse recovery time is 1500 ns.
Feature Summary
- Standard avalanche capability supporting single-pulse avalanche energy up to 20 mJ
- High thermal stability with an extended operating junction temperature range up to 175°C
- Low leakage current characteristics ensuring minimal power loss in blocking states
Applications
- General-purpose rectification in commercial and industrial electronic circuits
- Protection against voltage transients and avalanche breakdown events
- Power supply output rectification requiring robust transient handling
Procurement Notes
Verify the specific part number against official Diotec Semiconductor documentation to confirm compliance with RoHS and ELV directives. Ensure that the procurement specifications match the required electrical ratings, particularly the 100 V reverse voltage and 1 A forward current limits. Confirm package integrity and storage conditions prior to assembly.
Selection Notes
Select this component when circuit designs require standard avalanche tolerance alongside high-temperature reliability. The 1 A current rating suits moderate power applications, while the 100 V breakdown voltage defines its suitability for low-voltage DC systems. Evaluate thermal resistance requirements based on PCB copper pad dimensions to ensure safe operation within the specified temperature limits.
Part Context
This component belongs to the AL1A through AL1M series of standard avalanche SMD rectifiers manufactured by Diotec Semiconductor. The series utilizes a surface-mount package designed for automated assembly. The AL1A variant specifically denotes the 100 V rating within this family, distinguished by color coding for identification purposes.
Replacement Considerations
Consult official manufacturer substitution lists for verified equivalents. Cross-reference electrical parameters such as avalanche energy, forward voltage, and thermal resistance before implementing any alternative components.
