Overview
The STTH30R03CW is an ultra high performance diode from STMicroelectronics, part of the TURBOSWITCH "R" family. This diode is designed for high frequency applications and is particularly suited for HF OFF-Line SMPS (Switch-Mode Power Supplies) and DC/DC converters. It is known for drastically cutting losses in associated MOSFETs when operated at high dI/dt, making it an efficient choice for high-frequency power conversion systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 300 | V |
| IF(RMS) (RMS forward current) | 30 | A |
| IF(AV) (Average forward current) at Tc = 120°C, δ = 0.5 | 15 (per diode), 30 (per device) | A |
| IFSM (Surge non repetitive forward current) tp = 10 ms sinusoidal | 120 | A |
| Tstg (Storage temperature range) | -65 to +175 | °C |
| Tj (Maximum operating junction temperature) | +175 | °C |
| VF (Forward voltage drop) at IF = 15 A, Tj = 25°C | 1.4 | V |
| trr (Reverse recovery time) at IF = 15 A, dIF/dt = -200 A/µs, Tj = 125°C | 35 ns | ns |
| Rth (j-c) (Junction to case thermal resistance) | 2.0 °C/W (per diode), 1.2 °C/W (total) | °C/W |
Key Features
- Designed for high frequency applications, making it ideal for HF OFF-Line SMPS and DC/DC converters.
- Hyperfast recovery time, competing with GaAs devices, which reduces switching losses.
- Allows for the size decrease of snubbers and heatsinks due to its high performance characteristics.
- Available in TO-247 and D2PAK packages, offering flexibility in design and application.
Applications
- High Frequency OFF-Line Switch-Mode Power Supplies (SMPS).
- DC/DC converters.
- Other high-frequency power conversion systems where efficient and fast recovery diodes are required.
Q & A
- What is the repetitive peak reverse voltage (VRRM) of the STTH30R03CW?
The VRRM of the STTH30R03CW is 300 V.
- What is the maximum RMS forward current (IF(RMS)) of the STTH30R03CW?
The maximum RMS forward current is 30 A.
- What is the maximum surge non-repetitive forward current (IFSM) of the STTH30R03CW?
The maximum surge non-repetitive forward current is 120 A for a 10 ms sinusoidal pulse.
- What is the maximum operating junction temperature (Tj) of the STTH30R03CW?
The maximum operating junction temperature is +175°C.
- What is the forward voltage drop (VF) of the STTH30R03CW at 15 A and 25°C?
The forward voltage drop is 1.4 V at 15 A and 25°C.
- What is the reverse recovery time (trr) of the STTH30R03CW?
The reverse recovery time is 35 ns at IF = 15 A, dIF/dt = -200 A/µs, and Tj = 125°C.
- In what packages is the STTH30R03CW available?
The STTH30R03CW is available in TO-247 and D2PAK packages.
- What are the typical applications of the STTH30R03CW?
Typical applications include high frequency OFF-Line SMPS, DC/DC converters, and other high-frequency power conversion systems.
- How does the STTH30R03CW reduce losses in associated MOSFETs?
The STTH30R03CW reduces losses in associated MOSFETs by its hyperfast recovery time, which minimizes switching losses at high dI/dt.
- What is the junction to case thermal resistance (Rth(j-c)) of the STTH30R03CW?
The junction to case thermal resistance is 2.0 °C/W per diode and 1.2 °C/W total.
