Overview
The STPS41L45CG-TR is a dual center tab Schottky rectifier produced by STMicroelectronics. This device is designed for use in low voltage, high frequency applications such as off-line AC/DC power supplies, low voltage high frequency inverters, free-wheeling, and polarity protection. It is available in D2PAK, I2PAK, and TO-220AB packages, making it versatile for various design requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 45 | V |
| IF(RMS) (RMS forward current) | 30 | A |
| IF(AV) (Average forward current per diode at Tc = 130°C, δ = 0.5) | 20 | A |
| IF(AV) (Average forward current per device at Tc = 130°C, δ = 0.5) | 40 | A |
| IFSM (Surge non-repetitive forward current, tp = 10 ms sinusoidal) | 220 | A |
| IRRM (Peak repetitive reverse current, tp=2 µs square, F=1kHz) | 1 | A |
| PARM (Repetitive peak avalanche power, tp = 1µs, Tj = 25°C) | 10000 | W |
| Tstg (Storage temperature range) | -65 to +175 | °C |
| Tj (Maximum operating junction temperature) | 150 | °C |
| dV/dt (Critical rate of rise reverse voltage) | 10000 | V/µs |
| VF (Forward voltage drop at Tj = 25°C, IF = 20 A) | 0.47 | V |
| Rth(j-c) (Junction to case thermal resistance per diode) | 1.5 | °C/W |
Key Features
- Avalanche capability specified
- Very small conduction losses
- Extremely fast switching
- Negligible switching losses
- Low thermal resistance
- Low forward voltage drop
Applications
The STPS41L45CG-TR is suitable for various applications including:
- Off-line AC/DC power supplies with 5V output
- Low voltage, high frequency inverters
- Free-wheeling diodes
- Polarity protection circuits
Q & A
- What is the repetitive peak reverse voltage (VRRM) of the STPS41L45CG-TR?
The VRRM is 45 V. - What is the RMS forward current (IF(RMS)) of the STPS41L45CG-TR?
The IF(RMS) is 30 A. - What is the average forward current per diode at Tc = 130°C and δ = 0.5?
The average forward current per diode is 20 A. - What is the surge non-repetitive forward current (IFSM) for a 10 ms sinusoidal pulse?
The IFSM is 220 A. - What is the maximum operating junction temperature (Tj) of the STPS41L45CG-TR?
The maximum operating junction temperature is 150°C. - What are the typical packages available for the STPS41L45CG-TR?
The device is available in D2PAK, I2PAK, and TO-220AB packages. - What are the key features of the STPS41L45CG-TR?
The key features include avalanche capability specified, very small conduction losses, extremely fast switching, negligible switching losses, low thermal resistance, and low forward voltage drop. - What are some common applications of the STPS41L45CG-TR?
Common applications include off-line AC/DC power supplies, low voltage high frequency inverters, free-wheeling diodes, and polarity protection circuits. - What is the forward voltage drop at Tj = 25°C and IF = 20 A?
The forward voltage drop is 0.47 V. - What is the junction to case thermal resistance per diode?
The junction to case thermal resistance per diode is 1.5°C/W.
