STPS1545FP Overview
The STPS1545FP is a high-efficiency, fast-recovery power diode designed for industrial and automotive applications. Featuring a low forward voltage drop and ultra-fast switching capabilities, it ensures minimal power loss and enhanced thermal performance. This device supports current ratings up to 15 A and repetitive peak reverse voltages of 45 V, making it suitable for power supply circuits, rectification, and freewheeling applications. Its compact surface-mount package allows easy integration into space-constrained designs. For detailed data and purchasing information, visit IC Manufacturer.
STPS1545FP Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type | Schottky Barrier Diode | ?C |
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 45 | V |
| Maximum Average Forward Current (IF(AV)) | 15 | A |
| Peak Forward Surge Current (IFSM) | 150 | A |
| Forward Voltage Drop (VF) at IF=15 A | 0.55 | V |
| Reverse Recovery Time (trr) | ?C | ns (negligible) |
| Operating Junction Temperature Range (TJ) | -65 to +150 | ??C |
| Package Type | DFN-3L 5×6 mm | ?C |
STPS1545FP Key Features
- Low forward voltage drop: Minimizes conduction losses, improving overall power efficiency and reducing heat dissipation in power supply circuits.
- Ultra-fast switching: Virtually no reverse recovery time enhances switching performance and reduces EM interference in high-frequency applications.
- High surge current capability: Supports transient overloads up to 150 A, ensuring reliable operation under transient conditions.
- Compact DFN package: Enables high thermal dissipation and easy PCB layout in space-constrained designs, enhancing system integration.
Typical Applications
- Rectification in DC-DC converters and power supplies, where efficiency and fast recovery are critical for optimal performance and energy savings.
- Freewheeling diode in automotive alternators and motor control circuits, protecting switching components from voltage spikes.
- Power management in industrial equipment requiring robust diodes for transient current handling and reliable operation.
- High-frequency switching circuits in telecommunication and server power modules demanding low losses and thermal stability.
STPS1545FP Advantages vs Typical Alternatives
This device offers superior efficiency due to its low forward voltage and negligible reverse recovery time, compared to standard PN junction diodes. Its high surge current tolerance and compact package allow for more reliable operation and easier integration in dense PCB layouts. These attributes reduce power dissipation and thermal stress, providing a significant advantage in demanding industrial and automotive systems.
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STPS1545FP Brand Info
The STPS1545FP is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in power management components, providing reliable and innovative devices for automotive, industrial, and consumer electronics markets. This diode exemplifies ST??s commitment to high-performance, energy-efficient semiconductor products that address modern power electronics challenges.
FAQ
What makes the STPS1545FP suitable for automotive applications?
The device??s high surge current capability and low forward voltage drop ensure it can handle the harsh electrical conditions and transient loads typical in automotive environments. Its robust thermal range allows reliable operation under varying temperature conditions, essential for vehicle electronics.
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How does the Schottky diode structure benefit power efficiency?
Schottky diodes have a metal-semiconductor junction that results in a lower forward voltage drop than regular PN diodes. This reduces conduction losses, which improves the overall efficiency of power conversion and decreases heat generation.






