Overview
The STPS2045CGY-TR is a dual center tap Schottky rectifier produced by STMicroelectronics. This component is specifically designed for use in switch mode power supplies and high frequency DC to DC converters. It is part of the Automotive, AEC-Q101 series, ensuring high reliability and performance in demanding applications. The device is available in several package types, including TO-220AB, TO-220FPAB, and D²PAK, each offering different thermal and mechanical characteristics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 45 | V |
| IF(RMS) (Forward rms current) | 30 | A |
| IF(AV) (Average forward current, δ = 0.5) | 10 A (per diode), 20 A (per device) | A |
| VF (Forward voltage drop, typical) | 0.5 V at IF = 10 A, Tj = 125 °C | V |
| Tj (Maximum operating junction temperature) | 175 °C | °C |
| IFSM (Surge non-repetitive forward current, tp = 10 ms) | 180 A | A |
| PARM (Repetitive peak avalanche power, tp = 10 µs, Tj = 125 °C) | 280 W | W |
| VARM (Maximum repetitive peak avalanche voltage, tp < 10 µs, Tj < 125 °C) | 60 V | V |
| Tstg (Storage temperature range) | -65 to +175 °C | °C |
| Rth(j-c) (Junction to case thermal resistance) | 2.2 °C/W (TO-220AB/D²PAK), 4.5 °C/W (TO-220FPAB) | °C/W |
Key Features
- Very small conduction losses and negligible switching losses.
- Extremely fast switching times, making it suitable for high frequency applications.
- Insulated package with an insulating voltage of 2000 VRMS sine.
- Avalanche rated, ensuring robustness against transient conditions.
- ECOPACK®2 compliant, meeting environmental requirements.
- Cooling method by conduction, with epoxy meeting UL 94, V0 standards.
Applications
The STPS2045CGY-TR is particularly suited for use in:
- Switch mode power supplies.
- High frequency DC to DC converters.
- Low voltage, high frequency inverters.
- Free wheeling and polarity protection applications.
- Automotive systems due to its AEC-Q101 compliance.
Q & A
- What is the repetitive peak reverse voltage (VRRM) of the STPS2045CGY-TR?
The VRRM is 45 V.
- What is the average forward current (IF(AV)) for this device?
The average forward current is 10 A per diode and 20 A per device at δ = 0.5.
- What are the typical forward voltage drop (VF) values for this rectifier?
The typical forward voltage drop is 0.5 V at IF = 10 A and Tj = 125 °C.
- What is the maximum operating junction temperature (Tj) for the STPS2045CGY-TR?
The maximum operating junction temperature is 175 °C.
- What are the package options available for this component?
The component is available in TO-220AB, TO-220FPAB, and D²PAK packages.
- Is the STPS2045CGY-TR environmentally compliant?
Yes, it is ECOPACK®2 compliant, meeting environmental requirements.
- What are the typical applications for the STPS2045CGY-TR?
It is used in switch mode power supplies, high frequency DC to DC converters, low voltage inverters, free wheeling, and polarity protection applications.
- What is the surge non-repetitive forward current (IFSM) rating for this device?
The surge non-repetitive forward current is 180 A for a pulse duration of 10 ms.
- What is the repetitive peak avalanche power (PARM) rating for this device?
The repetitive peak avalanche power is 280 W for a pulse duration of 10 µs at Tj = 125 °C.
- Is the STPS2045CGY-TR suitable for automotive applications?
Yes, it is AEC-Q101 compliant, making it suitable for automotive systems.
