STPS1545D Overview
The STPS1545D is a high-performance dual Schottky diode designed for efficient power management and rectification in industrial and consumer electronics. Featuring low forward voltage drop and fast switching capabilities, it ensures reduced power loss and improved thermal performance in power supplies and converters. Its robust design supports continuous currents up to 15 A with a repetitive peak reverse voltage of 45 V, making it ideal for demanding applications requiring reliable and efficient rectification. This product is offered by IC Manufacturer, known for delivering quality semiconductor components tailored for industrial technology needs.
STPS1545D Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 45 | V |
| Average Forward Current (IF(AV)) | 15 | A |
| Single Diode Forward Voltage Drop (VF) | 0.55 | V @ IF = 7.5 A |
| Surge Non-Repetitive Forward Current (IFSM) | 150 | A |
| Operating Junction Temperature Range (Tj) | -55 to +150 | ??C |
| Storage Temperature Range (Tstg) | -55 to +150 | ??C |
| Reverse Leakage Current (IR) | 0.5 | mA @ VR = 25 V |
| Package Type | DO-220AB (Dual) | – |
STPS1545D Key Features
- Low forward voltage drop: Minimizes conduction losses, improving overall efficiency in power conversion circuits.
- High surge current capability: Supports transient current peaks up to 150 A, enhancing reliability under load conditions.
- Fast switching speed: Reduces switching losses and electromagnetic interference, critical in high-frequency applications.
- Robust thermal performance: Wide operating junction temperature range (-55??C to +150??C) ensures stable operation in harsh environments.
Typical Applications
- Rectification in switched-mode power supplies (SMPS) where efficiency and fast recovery are crucial to minimize losses and heat generation.
- Freewheeling diodes in DC-DC converters, protecting circuits from voltage spikes during switching events.
- Battery charging systems requiring low forward voltage drop to boost charging efficiency and reduce power dissipation.
- Protection circuits in industrial motor drives to handle transient currents and improve device longevity under variable load conditions.
STPS1545D Advantages vs Typical Alternatives
This dual Schottky diode offers significantly lower forward voltage drop and faster switching than standard PN junction diodes, leading to higher efficiency and reduced heat dissipation. Its high surge current rating and broad operating temperature range provide enhanced reliability in demanding industrial environments. Compared to alternatives, it integrates well in compact designs requiring robust, power-efficient rectification.
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STPS1545D Brand Info
The STPS1545D is manufactured by STMicroelectronics, a global leader in semiconductor solutions for industrial and consumer electronics. STMicroelectronics is recognized for its innovation in power management devices, including advanced Schottky diodes that deliver high performance, efficiency, and reliability. This product reflects the brand??s commitment to quality and technical excellence, supporting engineers and sourcing specialists in achieving optimal system performance.
FAQ
What is the maximum continuous forward current this diode can handle?
The maximum average forward current rating is 15 A, allowing it to operate continuously at this current level under specified thermal conditions without damage or performance degradation.
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How does the STPS1545D improve efficiency in power supply designs?
Its low forward voltage drop reduces conduction losses during current flow, which minimizes wasted energy as heat. Additionally, the fast switching capability lowers switching losses, both contributing to higher overall efficiency in power supplies.
Can this diode operate reliably in high-temperature environments?
Yes, it supports an operating junction temperature range from -55??C to +150??C, enabling dependable performance even in harsh or elevated temperature conditions commonly found in industrial applications.
