Overview
The STPS3H100U is a 3 A, 100 V power Schottky rectifier produced by STMicroelectronics. This component is designed for use in switch-mode power supplies, 12 V rails, and high-frequency converters. It is packaged in SMB and SMB Flat formats, making it suitable for consumer and computer applications where low forward voltage drop is essential to reduce power dissipation.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VRRM | Repetitive peak reverse voltage | 100 | V |
| IF(AV) | Average forward current, δ = 0.5 square wave | 3 A (SMB at Tl = 115 °C), 3 A (SMB Flat at Tl = 140 °C) | A |
| IFSM | Surge non-repetitive forward current | 75 A (tp = 10 ms sinusoidal) | A |
| PARM | Repetitive peak avalanche power | 172 W (tp = 10 µs, Tj = 125 °C) | W |
| Tstg | Storage temperature range | -65 to +175 °C | °C |
| Tj | Maximum operating junction temperature | 175 °C | °C |
| VF | Forward voltage drop | 0.63 V (typical at Tj = 125 °C, IF = 3 A) | V |
| IR | Reverse leakage current | 1.00 µA (Tj = 25 °C, VR = VRRM), 1.00 mA (Tj = 125 °C, VR = VRRM) | µA/mA |
| Rth(j-l) | Junction to lead thermal resistance | 25 °C/W (SMB), 15 °C/W (SMB Flat) | °C/W |
Key Features
- Negligible switching losses
- High junction temperature capability
- Low leakage current
- Good trade-off between leakage current and forward voltage drop
- Avalanche capability specified
- ECOPACK2 compliant
- Lead-free package
- Epoxy meets UL94, V0
Applications
- Switching diode
- Switch Mode Power Supplies (SMPS)
- DC/DC converters
- LED lighting
- Reverse polarity protection
- Freewheeling diodes
Q & A
- What is the maximum repetitive peak reverse voltage of the STPS3H100U?
The maximum repetitive peak reverse voltage is 100 V.
- What is the average forward current rating of the STPS3H100U?
The average forward current rating is 3 A.
- What are the typical forward voltage drop values for the STPS3H100U?
The typical forward voltage drop is 0.63 V at Tj = 125 °C and IF = 3 A.
- What is the maximum operating junction temperature of the STPS3H100U?
The maximum operating junction temperature is 175 °C.
- What are the package options for the STPS3H100U?
The component is available in SMB and SMB Flat packages.
- Is the STPS3H100U compliant with environmental standards?
Yes, it is ECOPACK2 compliant.
- What are some common applications for the STPS3H100U?
Common applications include switching diodes, SMPS, DC/DC converters, and LED lighting.
- What is the reverse leakage current of the STPS3H100U at 25 °C?
The reverse leakage current is 1.00 µA at Tj = 25 °C and VR = VRRM.
- How does the thermal resistance vary between SMB and SMB Flat packages?
The junction to lead thermal resistance is 25 °C/W for SMB and 15 °C/W for SMB Flat.
- Is the STPS3H100U suitable for high-frequency applications?
Yes, it is designed for high-frequency miniature switched-mode power supplies.
