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Product Detailed Parameters
- Description：DIODE ARRAY SCHOT 45V 15A TO-252
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Diode Configuration：1 Pair Common Cathode
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：45 V
- Current - Average Rectified (Io) (per Diode)：15A
- Voltage - Forward (Vf) (Max) @ If：590 mV @ 7.5 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：140 µA @ 45 V
- Operating Temperature - Junction：150°C (Max)
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The RBQ15BM45AFHTL is a silicon Schottky barrier diode manufactured by ROHM Semiconductor, designed for automotive applications. It features a dual common cathode configuration in a TO-252 (DPAK) surface-mount package. The device supports an average rectified forward current of 15 A and a repetitive reverse voltage of 45 V. Key electrical parameters include a maximum forward voltage of 0.59 V at 7.5 A and a maximum reverse current of 0.14 mA at 45 V. It withstands a forward surge current of 100 A and operates at junction temperatures up to +150°C. The component is qualified under the AEC-Q101 standard.
Feature Summary
- Automotive-grade reliability certified to AEC-Q101 standards
- Low forward voltage characteristic for high efficiency
- Dual common cathode configuration for compact circuit design
Applications
- Switching power supplies in automotive systems
- General rectification circuits requiring high reliability
- DC-DC converter output stages
Procurement Notes
Verify the specific suffix 'TL' indicates tape-and-reel packaging when ordering. Confirm that the AEC-Q101 qualification aligns with target automotive quality requirements. Ensure the TO-252 footprint matches the PCB layout constraints. Check for any updated datasheet revisions that may affect thermal or electrical specifications before finalizing the bill of materials.
Selection Notes
Select this component for designs requiring a 15 A current rating with a 45 V voltage margin in a DPAK package. Compare the 0.59 V forward voltage drop against alternative packages if lower conduction loss is critical. Consider the 100 A surge capability for inrush protection scenarios. Verify thermal management capabilities given the 150°C junction temperature limit.
Part Context
This part belongs to ROHM's RBQ series of automotive Schottky barrier diodes. It shares the same voltage rating as the RBQ10BM45AFHTL but offers higher current capacity. It complements other variants like the RBQ20BM45AFH for different current needs within the same 45 V family.
Replacement Considerations
The RBQ15BM45AFH is listed as a similar level replacement with the same pinout and package. Verify compatibility regarding packaging format and exact electrical tolerances before substitution.
