Overview
The STTH812FP is an ultrafast recovery diode produced by STMicroelectronics. This device is designed with high quality to ensure low leakage current, reproducible characteristics, and intrinsic ruggedness. It is ideal for heavy-duty applications that demand long-term reliability, such as industrial power supplies, motor control, and other mission-critical systems requiring rectification and freewheeling.
Key Specifications
| Symbol | Parameter | Value | Unit |
|---|---|---|---|
| VRRM | Repetitive peak reverse voltage | 1200 | V |
| IF(RMS) | RMS forward current | 30 A (TO-220AC / D2PAK / TO-220FPAC), 20 A (TO-220AC Ins) | A |
| IF(AV) | Average forward current, δ = 0.5 | 8 A (TO-220AC / D2PAK, Tc = 140° C), 8 A (TO-220FPAC, Tc = 75° C), 8 A (TO-220AC Ins, Tc = 115° C) | A |
| IFRM | Repetitive peak forward current | 100 A (tp = 5 µs, F = 5 kHz square) | A |
| IFSM | Surge non-repetitive forward current | 80 A (tp = 10 ms Sinusoidal) | A |
| Tstg | Storage temperature range | -65 to +175 | °C |
| Tj | Maximum operating junction temperature | 175 | °C |
| VF (typ) | Forward voltage drop | 1.25 V (Tj = 25° C, IF = 8 A) | V |
| trr (typ) | Reverse recovery time | 50 ns (IF = 1 A, dIF/dt = -50 A/µs, VR = 30 V, Tj = 25° C) | ns |
| Rth(j-c) | Junction to case thermal resistance | 5.4 °C/W (TO-220FPAC) | °C/W |
Key Features
- Ultrafast, soft recovery characteristics.
- Very low conduction and switching losses.
- High frequency and/or high pulsed current operation.
- High reverse voltage capability.
- High junction temperature tolerance.
- Insulated packages: TO-220FPAC with electrical insulation of 2000 VRMS and capacitance of 12 pF.
Applications
The STTH812FP is suitable for a variety of demanding applications, including:
- Industrial power supplies.
- Motor control systems.
- Rectification and freewheeling in mission-critical systems.
- Auxiliary functions such as snubber, bootstrap, and demagnetization applications.
Q & A
- What is the repetitive peak reverse voltage of the STTH812FP?
The repetitive peak reverse voltage (VRRM) is 1200 V.
- What is the RMS forward current rating for the TO-220FPAC package?
The RMS forward current (IF(RMS)) for the TO-220FPAC package is 30 A.
- What is the typical forward voltage drop at 25°C and 8 A forward current?
The typical forward voltage drop (VF) at 25°C and 8 A forward current is 1.25 V.
- What is the reverse recovery time for the STTH812FP?
The reverse recovery time (trr) is typically 50 ns at IF = 1 A, dIF/dt = -50 A/µs, VR = 30 V, and Tj = 25° C.
- What is the maximum operating junction temperature for this diode?
The maximum operating junction temperature (Tj) is 175°C.
- What types of packages are available for the STTH812FP?
The STTH812FP is available in TO-220FPAC, TO-220AC, TO-220AC Ins, and D2PAK packages.
- What is the thermal resistance from junction to case for the TO-220FPAC package?
The thermal resistance from junction to case (Rth(j-c)) for the TO-220FPAC package is 5.4 °C/W.
- What are some typical applications for the STTH812FP?
Typical applications include industrial power supplies, motor control systems, and auxiliary functions like snubber, bootstrap, and demagnetization.
- Does the STTH812FP come in environmentally friendly packaging?
Yes, the STTH812FP is available in ECOPACK® packages, which are lead-free and comply with JEDEC Standard JESD97.
- What is the storage temperature range for the STTH812FP?
The storage temperature range (Tstg) is -65 to +175°C.
