STPS340S Overview
The STPS340S is a high-performance ultra-fast diode designed for efficient rectification in power management circuits. It features a low forward voltage drop and fast recovery time, which minimizes power losses and improves overall system efficiency. This device offers robust surge current capability and excellent thermal behavior, making it suitable for demanding industrial and consumer electronics applications. Its compact package supports easy integration into a wide range of power supply designs. For more detailed information, visit IC Manufacturer.
STPS340S Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 40 | V |
| Average Rectified Forward Current (IF(AV)) | 3 | A |
| Surge Non-Repetitive Forward Current (IFSM) | 80 | A |
| Forward Voltage Drop (VF) at IF = 3A | 0.55 (typical) | V |
| Reverse Recovery Time (trr) | 35 | ns |
| Operating Junction Temperature (Tj) | -65 to +150 | ??C |
| Storage Temperature Range (Tstg) | -65 to +150 | ??C |
| Thermal Resistance Junction to Ambient (R??JA) | 62.5 | ??C/W |
| Package Type | DO-214AB (SMA) | – |
STPS340S Key Features
- Ultra-fast recovery time: Minimizes switching losses in high-frequency power circuits, enhancing efficiency and reducing heat generation.
- Low forward voltage drop: Reduces conduction losses, improving overall power efficiency and enabling compact power designs.
- High surge current capability: Ensures robustness under transient conditions and overloads, increasing system reliability.
- Wide operating temperature range: Supports stable operation in harsh industrial environments.
- Compact DO-214AB package: Facilitates easy mounting and space-saving on PCB layouts.
Typical Applications
- Switching mode power supplies (SMPS) where fast recovery diodes improve conversion efficiency and reduce electromagnetic interference.
- Freewheeling diodes in motor control circuits to protect switching transistors from voltage spikes.
- Output rectification in DC-DC converters to maximize power transfer and extend battery life in portable devices.
- Snubber circuits for transient voltage suppression in industrial automation and consumer electronics.
STPS340S Advantages vs Typical Alternatives
This ultra-fast diode offers superior switching speed and lower forward voltage drop compared to standard silicon diodes, resulting in reduced power dissipation and improved efficiency. Its compact package and high surge current capacity provide enhanced reliability and ease of integration. These characteristics make it a preferred choice over traditional diodes in applications demanding low losses and fast recovery performance.
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STPS340S Brand Info
The STPS340S is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in power management components, providing high-quality diodes, transistors, and integrated circuits designed for industrial, automotive, and consumer electronics markets. The STPS series is recognized for combining high efficiency with robust construction, supporting designers in achieving reliable and compact power solutions.
FAQ
What is the maximum repetitive peak reverse voltage of this diode?
The diode can withstand a maximum repetitive peak reverse voltage of 40 volts, making it suitable for low-voltage rectification applications.
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How does the forward voltage drop affect power efficiency?
A lower forward voltage drop means less energy is lost as heat during conduction, which improves overall power efficiency and reduces the need for additional cooling components.
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