Overview
The STTH3R04U is an ultrafast recovery diode produced by STMicroelectronics. This device is part of the STTH3R04 series, which utilizes ST's advanced 400 V planar Pt doping technology. The STTH3R04U is specifically designed for use in switching mode base drive and transistor circuits, making it ideal for applications requiring low switching losses and high efficiency.
The device is packaged in an SMB (Surface Mount Bridge) package, which is suitable for surface mount assembly. It is intended for use in low voltage, high frequency inverters, free-wheeling diodes, and polarity protection circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | 400 | V |
| IF(AV) (Average Forward Current) | 3.0 | A |
| IFSM (Surge Non-Repetitive Forward Current) | 60 | A |
| Tj (Maximum Operating Junction Temperature) | 175 | °C |
| VF (Typical Forward Voltage Drop) | 0.9 | V |
| trr (Typical Reverse Recovery Time) | 18 ns | ns |
| IR (Reverse Leakage Current) | 5 µA | µA |
| Tstg (Storage Temperature Range) | -65 to +175 | °C |
| Rth(j-l) (Junction to Lead Thermal Resistance) | 25 °C/W | °C/W |
Key Features
- Negligible switching losses due to ultrafast recovery characteristics.
- Low forward and reverse recovery times, enhancing high-frequency performance.
- High junction temperature capability of up to 175 °C.
- Available in various packages including DO-15, DO-201AD, SMB, and SMC, facilitating different mounting requirements.
- ECOPACK® packages with lead-free second level interconnect, meeting environmental standards.
Applications
- Switching mode base drive and transistor circuits.
- Low voltage, high frequency inverters.
- Free-wheeling diodes.
- Polarity protection circuits.
Q & A
- What is the repetitive peak reverse voltage of the STTH3R04U?
The repetitive peak reverse voltage (VRRM) is 400 V.
- What is the average forward current rating for the STTH3R04U?
The average forward current (IF(AV)) is 3.0 A.
- What is the maximum operating junction temperature for the STTH3R04U?
The maximum operating junction temperature (Tj) is 175 °C.
- What is the typical forward voltage drop for the STTH3R04U?
The typical forward voltage drop (VF) is 0.9 V.
- What is the typical reverse recovery time for the STTH3R04U?
The typical reverse recovery time (trr) is 18 ns.
- What are the storage temperature range and reverse leakage current for the STTH3R04U?
The storage temperature range (Tstg) is -65 to +175 °C, and the reverse leakage current (IR) is 5 µA at 25 °C.
- In what packages is the STTH3R04U available?
The STTH3R04U is available in SMB (Surface Mount Bridge) package, among others like DO-15, DO-201AD, and SMC.
- What are some common applications for the STTH3R04U?
Common applications include switching mode base drive and transistor circuits, low voltage high frequency inverters, free-wheeling diodes, and polarity protection circuits.
- Does the STTH3R04U meet environmental standards?
Yes, the STTH3R04U is available in ECOPACK® packages, which have lead-free second level interconnects and meet environmental requirements.
- How does the thermal resistance of the STTH3R04U vary?
The thermal resistance (Rth(j-l)) is 25 °C/W for the SMB package, and it varies based on the lead length and copper surface area under the leads.
