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Product Detailed Parameters
- Description：DIODE ARR SCHOTT 40V 20A TO220FN
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tube
- Diode Configuration：1 Pair Common Cathode
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io) (per Diode)：20A
- Voltage - Forward (Vf) (Max) @ If：800 mV @ 20 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：12 µA @ 40 V
- Operating Temperature - Junction：150°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Full Pack
- Supplier Device Package：TO-220FN
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The RB238T-40HZC9 is an AEC-Q101 qualified silicon epitaxial planar Schottky barrier diode manufactured by ROHM Semiconductor. It features a cathode common dual configuration housed in a TO-220FN (3-pin) leaded package. The device supports a repetitive peak reverse voltage of 45V and a continuous average forward rectified current of 40A per diode at a case temperature of 85°C. Key electrical characteristics include a maximum forward voltage of 0.80V at 20A, a maximum reverse current of 12µA at 40V, and a junction-to-case thermal resistance of 2°C/W. It operates within a junction temperature range of -55°C to +150°C.
Feature Summary
- Cathode common dual type configuration for efficient circuit design
- High reliability construction suitable for automotive applications
- Super low reverse leakage current (IR) performance
Applications
- Switching power supplies
Procurement Notes
Verify the specific ordering suffix C9 against official documentation to confirm packaging details. Confirm that the component meets AEC-Q101 qualification requirements for your target application. Ensure thermal management designs account for the specified junction-to-case thermal resistance. Check for any end-of-life or new design non-recommended status updates from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when a dual Schottky diode with a shared cathode is required for high-current switching applications. The TO-220FN package provides robust through-hole mounting capabilities. Consider the 40A current rating and 45V reverse voltage limits during circuit design. Evaluate the super low IR characteristic if minimizing standby power loss is critical for the system efficiency.
Part Context
This part belongs to the RB238T series of Schottky barrier diodes designed for high reliability. The series includes various voltage ratings and configurations. The RB238T-40HZC9 specifically targets automotive-grade environments due to its AEC-Q101 qualification. It utilizes silicon epitaxial planar technology for stable performance under varying thermal conditions.
Replacement Considerations
Consult official substitution lists for compatible parts with similar voltage and current ratings. Verify pinout compatibility and thermal resistance values before replacing. Ensure any substitute also meets AEC-Q101 standards if automotive qualification is required.
FAQ
What is the maximum operating junction temperature?
The maximum operating junction temperature is 150°C.
Is this component qualified for automotive use?
Yes, the RB238T-40HZ is AEC-Q101 qualified.
What is the typical forward voltage drop?
The maximum forward voltage is 0.80V at a forward current of 20A.
