Overview
The STTH8R04G-TR is an ultrafast recovery diode produced by STMicroelectronics. This device utilizes ST's advanced 400 V planar Pt doping technology, making it highly suitable for applications in switching mode base drive and transistor circuits. It is available in various packages, including TO-220AC, TO-220AC Ins, and D²PAK, catering to different mounting and thermal management needs. The STTH8R04G-TR is designed to operate at high frequencies and handle high pulsed currents, making it an ideal choice for low voltage, high frequency inverters, freewheeling, and polarity protection circuits.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 400 | V |
| Average Forward Current | IF(AV) | 8 A (TO-220AC, D²PAK), 8 A (TO-220AC Ins) | A |
| Forward RMS Current | IF(RMS) | 30 A (TO-220AC, D²PAK), 20 A (TO-220AC Ins) | A |
| Repetitive Peak Forward Current | IFRM | 165 A | A |
| Surge Non-Repetitive Forward Current | IFSM | 120 A | A |
| Storage Temperature Range | Tstg | -65 to +175 °C | °C |
| Operating Junction Temperature Range | Tj | -40 to +175 °C | °C |
| Forward Voltage Drop | VF | 0.9 V (typ), 1.30 V (max) at Tj = 25 °C | V |
| Reverse Recovery Time | trr | 25 ns (typ), 50 ns (max) at Tj = 25 °C | ns |
| Junction to Case Thermal Resistance | Rth(j-c) | 2.5 °C/W (TO-220AC, D²PAK), 5.5 °C/W (TO-220AC Ins) | °C/W |
Key Features
- Very Low Switching Losses: Optimized for high-frequency operations, reducing energy losses.
- High Frequency and High Pulsed Current Operation: Suitable for applications requiring high current handling and fast switching times.
- High Junction Temperature: Can operate up to 175 °C, ensuring reliability in demanding environments.
- Insulated Package: Available in insulated packages (TO-220AC Ins) with an insulating voltage of 2500 VRMS sine.
- ECOPACK®2 Compliant: Meets environmental standards, making it an eco-friendly choice.
- Multiple Package Options: Available in TO-220AC, TO-220AC Ins, and D²PAK packages to suit various application needs.
Applications
- Switching Mode Base Drive and Transistor Circuits: Ideal for driving power transistors in switching mode applications.
- Low Voltage, High Frequency Inverters: Suitable for use in inverters that require fast switching and low losses.
- Freewheeling Diodes: Used in power conversion circuits to manage reverse currents during switching.
- Polarity Protection: Protects circuits from incorrect polarity by preventing reverse current flow.
Q & A
- What is the maximum repetitive peak reverse voltage of the STTH8R04G-TR?
The maximum repetitive peak reverse voltage is 400 V.
- What is the average forward current rating for the TO-220AC package?
The average forward current rating for the TO-220AC package is 8 A.
- What is the typical forward voltage drop at 25 °C?
The typical forward voltage drop at 25 °C is 0.9 V.
- What is the reverse recovery time at 25 °C?
The reverse recovery time at 25 °C is typically 25 ns and up to 50 ns maximum.
- Is the STTH8R04G-TR ECOPACK® compliant?
Yes, the STTH8R04G-TR is ECOPACK®2 compliant.
- What are the available package options for the STTH8R04G-TR?
The available package options are TO-220AC, TO-220AC Ins, and D²PAK.
- What is the maximum operating junction temperature?
The maximum operating junction temperature is 175 °C.
- What is the surge non-repetitive forward current rating?
The surge non-repetitive forward current rating is 120 A.
- What is the junction to case thermal resistance for the TO-220AC package?
The junction to case thermal resistance for the TO-220AC package is 2.5 °C/W.
- What are some common applications of the STTH8R04G-TR?
Common applications include switching mode base drive and transistor circuits, low voltage high frequency inverters, freewheeling, and polarity protection.
