Overview
The STTH1R04A is an ultrafast recovery diode produced by STMicroelectronics, designed to meet the demands of high-frequency and low-voltage applications. This diode utilizes ST's advanced 400 V planar Pt doping technology, making it particularly suitable for switching mode base drive and transistor circuits. It is packaged in SMA, SMB, and DO-15 formats, ensuring versatility in various automotive and industrial applications. The STTH1R04A is AEC-Q101 qualified and ECOPACK®2 compliant, highlighting its environmental sustainability and reliability in harsh environments.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| IF(AV) | Average forward current | 1 A | A |
| VRRM | Repetitive peak reverse voltage | 400 V | V |
| Tj (max.) | Operating junction temperature | 175 °C | °C |
| VF (typ.) | Forward voltage drop | 0.9 V | V |
| trr (typ.) | Reverse recovery time | 14 ns | ns |
| IFSM | Surge non-repetitive forward current | 30 A (tp = 10 ms sinusoidal) | A |
| Tstg | Storage temperature range | -65 to +175 °C | °C |
| Rth(j-l) | Junction to lead thermal resistance | SMA: 35 °C/W, SMB: 25 °C/W | °C/W |
Key Features
- AEC-Q101 Qualified: Ensures the diode meets stringent automotive standards.
- Negligible Switching Losses: Minimizes energy losses during switching operations.
- Low Forward and Reverse Recovery Times: Enhances performance in high-frequency applications.
- High Junction Temperature: Operates reliably up to 175 °C.
- ECOPACK®2 Compliant: Environmentally friendly packaging.
Applications
- Switching Mode Base Drive and Transistor Circuits: Ideal for use in switching mode power supplies and transistor base drive circuits.
- Low Voltage, High Frequency Inverters: Suitable for inverters requiring fast recovery times.
- Free Wheeling and Polarity Protection: Used in automotive and industrial applications for protection and free-wheeling diode functions.
- Telecom Power: Applicable in telecom power systems where high efficiency and fast recovery are critical.
Q & A
- What is the maximum operating junction temperature of the STTH1R04A?
The maximum operating junction temperature is 175 °C.
- What is the repetitive peak reverse voltage (VRRM) of the STTH1R04A?
The VRRM is 400 V.
- What are the typical forward voltage drop (VF) and reverse recovery time (trr) of the STTH1R04A?
The typical forward voltage drop is 0.9 V, and the typical reverse recovery time is 14 ns.
- Is the STTH1R04A AEC-Q101 qualified?
- What are the package options available for the STTH1R04A?
The STTH1R04A is available in SMA, SMB, and DO-15 packages.
- What is the surge non-repetitive forward current (IFSM) of the STTH1R04A?
The surge non-repetitive forward current is 30 A for a 10 ms sinusoidal pulse.
- What is the storage temperature range for the STTH1R04A?
The storage temperature range is -65 to +175 °C.
- Is the STTH1R04A ECOPACK®2 compliant?
- What are some common applications of the STTH1R04A?
- What is the thermal resistance junction to lead (Rth(j-l)) for the SMA and SMB packages?
