Overview
The STPS30L45CT is a low drop power Schottky rectifier produced by STMicroelectronics. This dual center tap Schottky rectifier is designed for use in switched mode power supplies and high frequency DC to DC converters. It is packaged in the TO-220AB format, making it suitable for applications requiring low voltage and high frequency operation.
The device is characterized by its low forward voltage drop, low switching losses, and low thermal resistance, which make it ideal for efficient power conversion. Additionally, it is avalanche rated and features an insulated package, enhancing its reliability and safety in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 45 | V |
| IF(RMS) (RMS forward current) | 30 | A |
| IF(AV) (Average forward current) | 15 A (per diode), 30 A (per device) | A |
| IFSM (Surge non repetitive forward current) | 220 A (tp = 10 ms Sinusoidal) | A |
| IRRM (Repetitive peak reverse current) | 1 A (tp = 2 µs square, F = 1 kHz) | A |
| IRSM (Non repetitive peak reverse current) | 3 A (tp = 100 µs square) | A |
| PARM (Repetitive peak avalanche power) | 6000 W (tp = 1 µs, Tj = 25°C) | W |
| Tstg (Storage temperature range) | -65 to +150 | °C |
| Tj (Maximum operating junction temperature) | 150 | °C |
| VF (Maximum forward voltage drop) | 0.5 | V |
| Rth(j-c) (Junction to case thermal resistance) | 1.60 °C/W (per diode), 0.85 °C/W (total) | °C/W |
Key Features
- Low Forward Voltage Drop: Very small conduction losses due to low forward voltage drop.
- Low Switching Losses: Allows for high frequency operation.
- Low Thermal Resistance: Efficient heat dissipation.
- Avalanche Rated: Specified avalanche capability enhances reliability.
- Insulated Package: TO-220FPAB package with insulating voltage of 2000 V DC and capacitance of 45 pF.
Applications
- Switched Mode Power Supplies: Ideal for high efficiency power conversion.
- High Frequency DC to DC Converters: Suitable for applications requiring low voltage and high frequency operation.
- Low Voltage, High Frequency Inverters: Used in inverter circuits for efficient power conversion.
- Free-Wheeling and Polarity Protection: Provides protection and free-wheeling diode functions in various power circuits.
Q & A
- What is the maximum repetitive peak reverse voltage (VRRM) of the STPS30L45CT?
The maximum repetitive peak reverse voltage (VRRM) is 45 V.
- What is the average forward current (IF(AV)) rating for the STPS30L45CT?
The average forward current (IF(AV)) is 15 A per diode and 30 A per device.
- What is the maximum surge non-repetitive forward current (IFSM) for the STPS30L45CT?
The maximum surge non-repetitive forward current (IFSM) is 220 A for a duration of 10 ms sinusoidal.
- What is the maximum operating junction temperature (Tj) for the STPS30L45CT?
The maximum operating junction temperature (Tj) is 150°C.
- What is the maximum forward voltage drop (VF) for the STPS30L45CT?
The maximum forward voltage drop (VF) is 0.5 V.
- What are the typical applications of the STPS30L45CT?
The STPS30L45CT is typically used in switched mode power supplies, high frequency DC to DC converters, low voltage high frequency inverters, and for free-wheeling and polarity protection.
- What is the thermal resistance from junction to case (Rth(j-c)) for the STPS30L45CT?
The thermal resistance from junction to case (Rth(j-c)) is 1.60 °C/W per diode and 0.85 °C/W total.
- Is the STPS30L45CT avalanche rated?
Yes, the STPS30L45CT is avalanche rated with a specified avalanche capability.
- What is the storage temperature range (Tstg) for the STPS30L45CT?
The storage temperature range (Tstg) is from -65°C to +150°C.
- What package types are available for the STPS30L45C series?
The STPS30L45C series is available in TO-247, TO-220AB, TO-220FPAB, D2PAK, and I2PAK packages.
