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Product Detailed Parameters
- Description:DIODE SCHOTTKY 20V 3A SMAF
- Series:-
- Mfr:Diodes Incorporated
- Package:Tape & Reel (TR),Cut Tape (CT)
- Technology:Schottky
- Voltage - DC Reverse (Vr) (Max):20 V
- Current - Average Rectified (Io):3A
- Voltage - Forward (Vf) (Max) @ If:500 mV @ 3 A
- Speed:Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):-
- Current - Reverse Leakage @ Vr:200 µA @ 20 V
- Capacitance @ Vr, F:140pF @ 4V, 1MHz
- Mounting Type:Surface Mount
- Package / Case:DO-221AC, SMA Flat Leads
- Supplier Device Package:SMAF
- Operating Temperature - Junction:-55°C ~ 150°C
- Grade:-
- Qualification:-
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Overview
The B320AF-13 is a single Schottky barrier rectifier manufactured by Diodes Incorporated, housed in the SMAF surface-mount package. It features a peak repetitive reverse voltage of 20 V and an average rectified output current of 3 A. The maximum forward voltage drop is 0.50 V at +25°C with a 3 A forward current. Reverse leakage current is limited to 0.20 mA at +25°C under rated reverse voltage conditions. The device supports a non-repetitive peak forward surge current of 80 A and operates within a temperature range of -55°C to +150°C.
Feature Summary
- Guard ring die construction provides transient protection for enhanced reliability.
- Low forward voltage drop improves system efficiency and reduces thermal generation.
- Stable reverse leakage characteristics minimize risks associated with thermal runaway.
- Halogen-free and antimony-free green molding compound meets environmental standards.
Applications
- Boost diode circuits
- Blocking diode configurations
- Recirculating diode applications
Procurement Notes
Verify the specific ordering suffix matches the required tape and reel packaging quantity. Confirm that the SMAF case style aligns with the target PCB footprint dimensions. Ensure compliance with RoHS directives and halogen-free requirements if mandated by the end-use environment. Cross-reference the date code marking format against internal traceability protocols.
Selection Notes
Select this component when low forward voltage drop is critical for high-efficiency power conversion. The SMAF package offers a compact solution for automated assembly processes. Consider the thermal resistance values when designing heat dissipation strategies for high ambient temperatures. Verify that the 20 V reverse voltage rating accommodates peak circuit transients without derating issues.
Part Context
This part belongs to the B320AF/B330AF series of surface mount Schottky barrier rectifiers. It shares mechanical and electrical similarities with other devices in the SMAF family but differs in its specific 20 V reverse voltage rating. The series is designed for general rectification tasks requiring high efficiency and robust performance under varying thermal conditions.
Replacement Considerations
B320A-13-F
FAQ
What is the typical junction capacitance of the B320AF-13?
The typical junction capacitance is 140 pF, measured at a reverse voltage of 4.0 V and a frequency of 1 MHz.
How does the forward voltage drop change at elevated temperatures?
At a junction temperature of +125°C and a forward current of 3 A, the maximum forward voltage drop increases to 0.40 V.
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