Overview
The STPS1045BTRR is a Schottky rectifier diode produced by Vishay General Semiconductor - Diodes Division. Although this component is currently obsolete and no longer manufactured, it was designed for high-performance applications in switch-mode power supplies and high-frequency DC to DC converters. The diode is known for its low forward voltage drop, negligible switching losses, and extremely fast switching capabilities, making it suitable for low voltage, high frequency inverters, free wheeling, and polarity protection applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 45 | V |
| IF(AV) (Average forward current) | 10 | A |
| IFSM (Surge non repetitive forward current) | 180 | A |
| VF (Forward voltage drop) | 0.57 (Typical at 20 A) | V |
| Tstg (Storage temperature range) | -65 to +175 | °C |
| Tj (Maximum junction temperature) | 175 | °C |
| dV/dt (Critical rate of rise of reverse voltage) | 10000 | V/µs |
| Package | TO-252AA (DPAK) |
Key Features
- Very small conduction losses
- Negligible switching losses
- Extremely fast switching
- Low forward voltage drop
- Avalanche capability specified
- Insulated package with high insulating voltage (2000V DC)
- Low thermal resistance
Applications
- Switch-mode power supplies
- High-frequency DC to DC converters
- Low voltage, high frequency inverters
- Free wheeling applications
- Polarity protection applications
Q & A
- What is the maximum repetitive peak reverse voltage of the STPS1045BTRR?
The maximum repetitive peak reverse voltage is 45 V.
- What is the average forward current rating of the STPS1045BTRR?
The average forward current rating is 10 A.
- What is the typical forward voltage drop of the STPS1045BTRR at 20 A?
The typical forward voltage drop at 20 A is 0.57 V.
- What are the storage temperature range and maximum junction temperature of the STPS1045BTRR?
The storage temperature range is -65 to +175 °C, and the maximum junction temperature is 175 °C.
- What is the critical rate of rise of reverse voltage for the STPS1045BTRR?
The critical rate of rise of reverse voltage is 10000 V/µs.
- In what package is the STPS1045BTRR available?
The STPS1045BTRR is available in the TO-252AA (DPAK) package.
- What are some key features of the STPS1045BTRR?
Key features include very small conduction losses, negligible switching losses, extremely fast switching, low forward voltage drop, and avalanche capability specified.
- What are typical applications for the STPS1045BTRR?
Typical applications include switch-mode power supplies, high-frequency DC to DC converters, low voltage high frequency inverters, free wheeling, and polarity protection.
- Is the STPS1045BTRR still in production?
No, the STPS1045BTRR is obsolete and no longer manufactured.
- What should I consider when replacing the STPS1045BTRR with a substitute?
When replacing the STPS1045BTRR, ensure the substitute has similar or better specifications, especially in terms of voltage ratings, current handling, and switching characteristics.
