Overview
The STPS1045D is a single chip Schottky rectifier produced by STMicroelectronics. It is designed for use in switch mode power supplies and high frequency DC to DC converters. This device is particularly suited for applications requiring low voltage, high frequency operation, such as in inverters, free-wheeling, and polarity protection.
The STPS1045D is available in the TO-220AC package, which offers good thermal performance and is insulated with a high voltage rating of 2000V DC.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 45 | V |
| IF(AV) (Average forward current, δ = 0.5) | 10 | A |
| IFSM (Surge non repetitive forward current, tp = 10 ms sinusoidal) | 180 | A |
| VF (Forward voltage drop, IF = 20 A, Tj = 25°C) | 0.57 | V |
| Tstg (Storage temperature range) | -65 to +175 | °C |
| Tj (Maximum junction temperature) | 175 | °C |
| Rth(j-c) (Junction to case thermal resistance, TO-220AC) | 2.2 | °C/W |
Key Features
- Very small conduction losses
- Negligible switching losses
- Extremely fast switching
- Low forward voltage drop
- Insulated package: TO-220AC with insulating voltage = 2000V DC
- Avalanche capability specified
- High junction temperature capability
- ECOPACK compliant for environmental sustainability
Applications
- Switch mode power supplies
- High frequency DC to DC converters
- Low voltage, high frequency inverters
- Free-wheeling and polarity protection applications
- Cordless appliances
- SSD (Solid State Drives)
- Battery chargers
- Telecom power supplies
Q & A
- What is the maximum repetitive peak reverse voltage (VRRM) of the STPS1045D?
The maximum repetitive peak reverse voltage (VRRM) is 45 V.
- What is the average forward current (IF(AV)) rating for the STPS1045D?
The average forward current (IF(AV)) is 10 A with δ = 0.5.
- What is the surge non-repetitive forward current (IFSM) rating for the STPS1045D?
The surge non-repetitive forward current (IFSM) is 180 A for tp = 10 ms sinusoidal.
- What is the typical forward voltage drop (VF) of the STPS1045D at 20 A and 25°C junction temperature?
The typical forward voltage drop (VF) is 0.57 V at 20 A and 25°C junction temperature.
- What is the storage temperature range for the STPS1045D?
The storage temperature range is -65 to +175°C.
- What is the maximum junction temperature (Tj) for the STPS1045D?
The maximum junction temperature (Tj) is 175°C.
- What is the thermal resistance from junction to case (Rth(j-c)) for the TO-220AC package?
The thermal resistance from junction to case (Rth(j-c)) is 2.2°C/W for the TO-220AC package.
- Is the STPS1045D environmentally friendly?
Yes, the STPS1045D is ECOPACK compliant, which means it meets environmental requirements and has a lead-free second level interconnect.
- What are some common applications for the STPS1045D?
Common applications include switch mode power supplies, high frequency DC to DC converters, low voltage inverters, free-wheeling, and polarity protection.
- What package types are available for the STPS1045D?
The STPS1045D is available in the TO-220AC package.
