Overview
The STPS20170CT is a high-voltage power Schottky rectifier diode produced by STMicroelectronics. This component is designed for high-frequency switched-mode power supplies and is known for its excellent dynamic characteristics, making it a suitable replacement for bipolar ultrafast diodes. The STPS20170CT is available in the TO-220AB package and is part of the ECOPACK®2 compliant series, ensuring environmental compliance.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VRRM | Repetitive peak reverse voltage | 170 | V |
| IF(RMS) | Forward rms current | 30 | A |
| IF(AV) | Average forward current (δ = 0.5, square wave) | 10 (per diode), 20 (total) | A |
| IFSM | Surge non-repetitive forward current (tp = 10 ms, sinusoidal) | 180 | A |
| PARM | Repetitive peak avalanche power (tp = 10 µs, Tj = 125 °C) | 480 | W |
| Tstg | Storage temperature range | -65 to +175 | °C |
| Tj | Maximum operating junction temperature | 175 | °C |
| VF | Forward voltage drop (typ.) at IF = 10 A, Tj = 25 °C | 0.69 | V |
| Rth(j-c) | Junction to case thermal resistance (per diode) | 2.2 | °C/W |
Key Features
- High reverse voltage capability up to 170 V
- High junction temperature capability up to 175 °C
- Avalanche specification with derating curves
- Insulated package (TO-220FPAB) with insulating voltage of 2000 VRMS sine
- ECOPACK®2 compliant component for environmental compliance
- Better dynamic characteristics compared to bipolar ultrafast diodes
Applications
The STPS20170CT is primarily used in high-frequency switched-mode power supplies. It is suitable for applications requiring high efficiency, low forward voltage drop, and high reliability. These include:
- Switch-mode power supplies
- DC-DC converters
- Power factor correction (PFC) circuits
- High-frequency rectification
Q & A
- What is the maximum repetitive peak reverse voltage of the STPS20170CT?
The maximum repetitive peak reverse voltage (VRRM) is 170 V.
- What is the average forward current rating for the STPS20170CT?
The average forward current (IF(AV)) is 10 A per diode and 20 A total, with δ = 0.5 and a square wave.
- What is the maximum operating junction temperature for the STPS20170CT?
The maximum operating junction temperature (Tj) is 175 °C.
- What is the typical forward voltage drop of the STPS20170CT at 10 A and 25 °C?
The typical forward voltage drop (VF) at IF = 10 A and Tj = 25 °C is 0.69 V.
- Is the STPS20170CT environmentally compliant?
- What are the common applications for the STPS20170CT?
The STPS20170CT is commonly used in high-frequency switched-mode power supplies, DC-DC converters, power factor correction (PFC) circuits, and high-frequency rectification.
- What package types are available for the STPS20170C series?
The STPS20170C series is available in TO-220AB, TO-220FPAB, and D²PAK packages.
- What is the surge non-repetitive forward current rating for the STPS20170CT?
The surge non-repetitive forward current (IFSM) is 180 A for tp = 10 ms, sinusoidal.
- What is the repetitive peak avalanche power rating for the STPS20170CT?
The repetitive peak avalanche power (PARM) is 480 W for tp = 10 µs, Tj = 125 °C.
- How does the thermal resistance of the STPS20170CT vary by package?
The junction to case thermal resistance (Rth(j-c)) is 2.2 °C/W for TO-220AB and D²PAK packages, and 4.5 °C/W for the TO-220FPAB package.
