Overview
The STPS20120CR is a dual diode Schottky rectifier produced by STMicroelectronics. This component is designed for high-frequency switched-mode power supplies and is available in various packages, including I²PAK, which is the specific package for the STPS20120CR model.
It is characterized by its high junction temperature capability, good trade-off between leakage current and forward voltage drop, and low leakage current. The device is also avalanche capability specified and is ECOPACK®2 compliant, making it an environmentally friendly option.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| IF(AV) | Average forward current, δ = 0.5, square wave | 10 A (per diode at Tc = 150 °C), 20 A (per device at Tc = 145 °C) | A |
| VRRM | Repetitive peak reverse voltage | 120 V | V |
| IF(RMS) | Forward rms current | 30 A | A |
| IFSM | Surge non-repetitive forward current | 150 A (tp = 10 ms sinusoidal) | A |
| Tj | Maximum operating junction temperature | 175 °C | °C |
| VF | Forward voltage drop | 0.70 V (typical at IF = 2.5 A, Tj = 25 °C) | V |
| IR | Reverse leakage current | 10 µA (typical at VR = VRRM, Tj = 25 °C), 1.5 mA (typical at VR = VRRM, Tj = 125 °C) | A |
| Rth(j-c) | Junction to case thermal resistance | 3 °C/W (per diode), 1.8 °C/W (total) | °C/W |
Key Features
- High junction temperature capability up to 175 °C.
- Good trade-off between leakage current and forward voltage drop.
- Low leakage current.
- Avalanche capability specified.
- ECOPACK®2 compliant for environmental sustainability.
- Suitable for high-frequency switched-mode power supplies.
- Available in various packages including I²PAK, DPAK, TO-220AB, and TO-220AB narrow leads.
Applications
The STPS20120CR is intended for use in various high-frequency power supply applications, including:
- Notebook and LCD adaptors.
- Desktop Switch-Mode Power Supplies (SMPS).
- Other high-frequency power conversion systems where high efficiency and reliability are crucial.
Q & A
- What is the maximum operating junction temperature of the STPS20120CR?
The maximum operating junction temperature is 175 °C.
- What is the repetitive peak reverse voltage (VRRM) of the STPS20120CR?
The VRRM is 120 V.
- What is the average forward current rating for the STPS20120CR?
The average forward current is 10 A per diode at Tc = 150 °C and 20 A per device at Tc = 145 °C.
- What is the forward voltage drop (VF) of the STPS20120CR at typical conditions?
The forward voltage drop is typically 0.70 V at IF = 2.5 A and Tj = 25 °C.
- Is the STPS20120CR environmentally friendly?
- In what packages is the STPS20120CR available?
The STPS20120CR is available in I²PAK, DPAK, TO-220AB, and TO-220AB narrow leads packages.
- What are some typical applications of the STPS20120CR?
Typical applications include notebook and LCD adaptors, desktop SMPS, and other high-frequency power conversion systems.
- What is the surge non-repetitive forward current (IFSM) rating of the STPS20120CR?
The IFSM is 150 A for a pulse duration of 10 ms sinusoidal.
- What is the thermal resistance from junction to case (Rth(j-c)) for the STPS20120CR?
The Rth(j-c) is 3 °C/W per diode and 1.8 °C/W total.
- What is the reverse leakage current (IR) of the STPS20120CR at typical conditions?
The reverse leakage current is typically 10 µA at VR = VRRM and Tj = 25 °C, and 1.5 mA at VR = VRRM and Tj = 125 °C.
