Overview
The STTH30W03CW is a high-performance, ultrafast recovery diode produced by STMicroelectronics. This component is designed for high-frequency applications, particularly in switch-mode power supplies and DC-DC converters. It features a dual center tap configuration, making it suitable for secondary rectification in high-frequency systems.
The device is packaged in the TO-247 format, which is optimized for thermal performance and ease of mounting. Despite being marked as obsolete and no longer manufactured, it remains a significant component in legacy systems and designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 300 | V |
| IF(RMS) (RMS forward current) | 30 | A |
| IF(AV) (Average forward current per diode) | 15 | A |
| IFSM (Surge non-repetitive forward current) | 140 | A |
| IRSM (Non-repetitive peak reverse current) | 7 | A |
| Tstg (Storage temperature range) | -65 to +175 | °C |
| Tj (Maximum operating junction temperature) | +175 | °C |
| VF (max) (Forward voltage drop) | 1 | V |
| trr (max) (Reverse recovery time) | 40 | ns |
| Rth (j-c) (Junction to case thermal resistance) | 2.0 | °C/W |
Key Features
- Ultrafast Recovery: The STTH30W03CW features ultrafast recovery characteristics, making it ideal for high-frequency applications.
- High Reverse Voltage Performance: With a repetitive peak reverse voltage of 300V, this diode offers high reliability in high-voltage systems.
- Low Forward Voltage Drop: The diode has a low forward voltage drop, which minimizes conduction losses and improves overall efficiency.
- Soft and Noise-Free Recovery: The recovery process is soft and noise-free, reducing electromagnetic interference (EMI) and improving system reliability.
- TO-247 Package: The TO-247 package provides excellent thermal performance and ease of mounting, making it suitable for a variety of applications.
Applications
- Switch Mode Power Supplies: The STTH30W03CW is well-suited for use in switch-mode power supplies due to its high-frequency and ultrafast recovery characteristics.
- DC-DC Converters: It is particularly useful in the secondary stage of DC-DC converters, where high efficiency and low losses are critical.
- High Frequency DC-AC Converters: The diode's performance makes it a good choice for high-frequency DC-AC conversion applications.
Q & A
- What is the repetitive peak reverse voltage of the STTH30W03CW?
The repetitive peak reverse voltage is 300V.
- What is the maximum operating junction temperature for this diode?
The maximum operating junction temperature is +175°C.
- What is the typical forward voltage drop for the STTH30W03CW?
The typical forward voltage drop is 1V.
- What is the reverse recovery time of this diode?
The reverse recovery time is up to 40ns.
- In what package is the STTH30W03CW available?
The diode is packaged in the TO-247 format.
- Is the STTH30W03CW still in production?
No, the STTH30W03CW is marked as obsolete and is no longer manufactured.
- What are some common applications for the STTH30W03CW?
Common applications include switch-mode power supplies, DC-DC converters, and high-frequency DC-AC converters.
- What are the key benefits of using the STTH30W03CW in high-frequency applications?
The key benefits include ultrafast recovery, low forward voltage drop, and soft and noise-free recovery, which improve system efficiency and reliability.
- How does the TO-247 package contribute to the performance of the STTH30W03CW?
The TO-247 package provides excellent thermal performance and ease of mounting, which are crucial for high-frequency and high-power applications.
- What is the storage temperature range for the STTH30W03CW?
The storage temperature range is -65°C to +175°C.
