Overview
The STTH4R02 is a high-efficiency ultrafast recovery diode manufactured by STMicroelectronics. This device utilizes ST's new 200 V planar Pt doping technology and is specifically designed for use in switching mode base drive and transistor circuits. It is available in DPAK, SMB, and SMC packages, making it suitable for various applications including low voltage, high frequency inverters, freewheeling, and polarity protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | 200 | V |
| IF(AV) (Average Forward Current) | 4 | A |
| IF(RMS) (Forward RMS Current) - DPAK | 10 | A |
| IF(RMS) (Forward RMS Current) - SMB/SMC | 7 | A |
| IFSM (Surge Non-Repetitive Forward Current) | 70 | A |
| Tj (Maximum Operating Junction Temperature) | 175 | °C |
| VF (Forward Voltage Drop) - Typ @ IF = 4 A | 0.76 | V |
| trr (Reverse Recovery Time) - Typ @ IF = 1 A | 16 | ns |
| Rth(j-c) (Junction to Case Thermal Resistance) - DPAK | 3.5 | °C/W |
Key Features
- Negligible switching losses
- High junction temperature (up to 175 °C)
- Very low conduction losses
- Low forward and reverse recovery times
- ECOPACK®2 compliant component for environmental compliance
Applications
The STTH4R02 is designed for use in various industrial applications, including:
- Low voltage, high frequency inverters
- Freewheeling circuits
- Polarity protection circuits
Q & A
- What is the maximum repetitive peak reverse voltage of the STTH4R02?
200 V
- What is the average forward current rating for the DPAK package?
4 A
- What are the typical forward and reverse recovery times of the STTH4R02?
Typical forward recovery time is around 80 ns, and typical reverse recovery time is around 16 ns.
- What are the available package types for the STTH4R02?
DPAK, SMB, and SMC
- What is the maximum operating junction temperature of the STTH4R02?
175 °C
- Is the STTH4R02 compliant with environmental standards?
- What is the typical forward voltage drop at 4 A?
0.76 V
- What is the surge non-repetitive forward current rating?
70 A for 10 ms sinusoidal pulse
- What are the common applications of the STTH4R02?
Low voltage, high frequency inverters, freewheeling circuits, and polarity protection circuits
- Where can I find the SPICE models and other design resources for the STTH4R02?
These resources are available on the STMicroelectronics website.
