Overview
The STPS1045B-Y, produced by STMicroelectronics, is a high-performance automotive power Schottky rectifier. This device is designed for use in high-frequency circuits, particularly in switch-mode power supplies and other power converters. It is packaged in a DPAK (TO-252AA) case, which is suitable for applications requiring low switching losses and high efficiency. The STPS1045B-Y is AEC-Q101 qualified, ensuring its reliability and performance in automotive environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| IF(AV) - Average Forward Current | 10 | A |
| VRRM - Repetitive Peak Reverse Voltage | 45 | V |
| Tj - Operating Junction Temperature Range | -40 to +175 | °C |
| VF(max) - Maximum Forward Voltage Drop | 0.57 | V |
| IFSM - Surge Non-Repetitive Forward Current | 75 | A (tp = 10 ms sinusoidal) |
| IRRM - Repetitive Peak Reverse Current | 1 | A (tp = 2 µs, F = 1 kHz) |
| PARM - Repetitive Peak Avalanche Power | 4000 | W (tp = 1 µs, Tj = 25 °C) |
| Rth(j-c) - Junction to Case Thermal Resistance | 3 | °C/W |
Key Features
- Negligible switching losses
- Low forward voltage drop (VF(max) = 0.57 V)
- Low capacitance
- High reverse avalanche surge capability
- Avalanche specification
- AEC-Q101 qualified for automotive applications
- Lead-free package, epoxy meets UL94, V0
Applications
The STPS1045B-Y is suitable for various high-frequency applications, including:
- Switch-mode power supplies
- Power converters
- Disk drives
- Battery charging
- Reverse battery protection
- Freewheeling diodes
Q & A
- What is the maximum average forward current of the STPS1045B-Y?
The maximum average forward current (IF(AV)) is 10 A.
- What is the repetitive peak reverse voltage of the STPS1045B-Y?
The repetitive peak reverse voltage (VRRM) is 45 V.
- What is the maximum operating junction temperature of the STPS1045B-Y?
The operating junction temperature range (Tj) is -40 to +175 °C.
- What is the maximum forward voltage drop of the STPS1045B-Y?
The maximum forward voltage drop (VF(max)) is 0.57 V.
- What is the surge non-repetitive forward current of the STPS1045B-Y?
The surge non-repetitive forward current (IFSM) is 75 A for a 10 ms sinusoidal pulse.
- Is the STPS1045B-Y AEC-Q101 qualified?
- What is the junction to case thermal resistance of the STPS1045B-Y?
The junction to case thermal resistance (Rth(j-c)) is 3 °C/W.
- What are the typical applications of the STPS1045B-Y?
Typical applications include switch-mode power supplies, power converters, disk drives, battery charging, reverse battery protection, and freewheeling diodes.
- What is the package type of the STPS1045B-Y?
The STPS1045B-Y is packaged in a DPAK (TO-252AA) case.
- Is the STPS1045B-Y lead-free and environmentally compliant?
