Overview
The STPS2545CT-Y is a dual center tab Schottky rectifier produced by STMicroelectronics. This device is specifically designed for use in switch mode power supplies and high frequency DC to DC converters. It is particularly suited for applications in low voltage, high frequency inverters, free-wheeling, and polarity protection, especially in automotive contexts. The STPS2545CT-Y is AEC-Q101 qualified, ensuring its reliability and performance in demanding automotive environments.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 45 | V |
| Forward RMS Current | IF(RMS) | 30 | A |
| Average Forward Current (per diode, δ = 0.5, Tc = 160 °C) | IF(AV) | 12.5 | A |
| Surge Non-Repetitive Forward Current (tp = 10 ms sinusoidal) | IFSM | 200 | A |
| Maximum Operating Junction Temperature | Tj(max) | 175 | °C |
| Forward Voltage Drop (Tj = 125 °C, IF = 12.5 A) | VF(max) | 0.57 | V |
| Junction to Case Thermal Resistance (per diode) | Rth(j-c) | 1.6 | °C/W |
Key Features
- Very small conduction losses
- Negligible switching losses
- Extremely fast switching
- Low thermal resistance
- Avalanche capability specified
- AEC-Q101 qualified for automotive applications
- Lead-free package, ECOPACK® compliant
- Epoxy meets UL94, V0 standards
Applications
The STPS2545CT-Y is designed for use in various high-frequency and low-voltage applications, including:
- Switch mode power supplies
- High frequency DC to DC converters
- Low voltage, high frequency inverters
- Free-wheeling and polarity protection in automotive systems
Q & A
- What is the repetitive peak reverse voltage of the STPS2545CT-Y?
The repetitive peak reverse voltage (VRRM) is 45 V.
- What is the average forward current rating for each diode?
The average forward current (IF(AV)) per diode is 12.5 A with δ = 0.5 and Tc = 160 °C.
- What is the maximum surge non-repetitive forward current?
The surge non-repetitive forward current (IFSM) is 200 A for a pulse duration of 10 ms sinusoidal.
- What is the maximum operating junction temperature?
The maximum operating junction temperature (Tj(max)) is 175 °C.
- What is the typical forward voltage drop at 125 °C and 12.5 A?
The typical forward voltage drop (VF) at 125 °C and 12.5 A is 0.57 V.
- Is the STPS2545CT-Y AEC-Q101 qualified?
- What is the junction to case thermal resistance?
The junction to case thermal resistance (Rth(j-c)) is 1.6 °C/W per diode.
- What are the storage temperature range and operating temperature range?
The storage temperature range is -65 to +175 °C, and the operating junction temperature range is -40 to +175 °C.
- Is the package lead-free and environmentally compliant?
- What are some typical applications of the STPS2545CT-Y?
Typical applications include switch mode power supplies, high frequency DC to DC converters, low voltage high frequency inverters, and free-wheeling and polarity protection in automotive systems.
