Overview
The STTA112U is a high-voltage, ultrafast rectifier diode produced by STMicroelectronics. It is part of the TURBOSWITCH™ series, designed to provide extremely fast, soft, and noise-free switching characteristics. This diode is particularly suited for high-voltage operations in various power switching applications, including motor control circuits, SMPS (Switch-Mode Power Supplies), and other high-power systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | STTA112U | |
| Manufacturer | STMicroelectronics | |
| Description | DIODE GEN PURP 1.2KV 1A SMB | |
| Voltage - Forward (Vf) (Max) @ If | 1.65V @ 1A | V @ A |
| Voltage - DC Reverse (Vr) (Max) | 1200V | V |
| Current - Average Rectified (Io) | 1A | A |
| Reverse Recovery Time (trr) | 115ns | ns |
| Package / Case | DO-214AA, SMB | |
| Operating Temperature - Junction | 125°C (Max) | °C |
| Mounting Type | Surface Mount | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Current - Reverse Leakage @ Vr | 10µA @ 1200V | µA @ V |
Key Features
- Ultrafast Recovery Time: The STTA112U features a fast recovery time of 115ns, making it suitable for high-frequency applications.
- High Voltage Capability: It can handle a maximum DC reverse voltage of 1200V, making it ideal for high-voltage operations.
- Low Forward Voltage Drop: With a maximum forward voltage drop of 1.65V at 1A, it minimizes conduction losses.
- Soft Switching: The diode is designed for soft switching, reducing EMI disturbances and improving overall system reliability.
- High Surge Current Capability: It can handle high surge currents, enhancing its durability in demanding applications.
- Surface Mount Package: The SMB package facilitates easy integration into surface mount designs.
Applications
- Motor Control Circuits: Suitable for use in motor control circuitries as snubber, clamping, or demagnetizing diodes.
- SMPS (Switch-Mode Power Supplies): Used in both primary and secondary stages of SMPS as high-voltage rectifier diodes.
- Power Supplies: Ideal for free-wheeling, clamping, snubbering, and demagnetization in power supplies.
- High-Power Systems: Applicable in various high-power switching applications requiring fast and reliable diodes.
Q & A
- What is the maximum DC reverse voltage of the STTA112U diode?
The maximum DC reverse voltage of the STTA112U diode is 1200V.
- What is the average rectified current (Io) of the STTA112U?
The average rectified current (Io) of the STTA112U is 1A.
- What is the reverse recovery time (trr) of the STTA112U?
The reverse recovery time (trr) of the STTA112U is 115ns.
- What is the maximum forward voltage drop (Vf) of the STTA112U at 1A?
The maximum forward voltage drop (Vf) of the STTA112U at 1A is 1.65V.
- What is the operating junction temperature range of the STTA112U?
The operating junction temperature range of the STTA112U is up to 125°C.
- What type of package does the STTA112U come in?
The STTA112U comes in a DO-214AA, SMB package.
- Is the STTA112U RoHS compliant?
No, the STTA112U is not RoHS compliant and contains lead.
- What are some common applications of the STTA112U?
The STTA112U is commonly used in motor control circuits, SMPS, power supplies, and other high-power switching applications.
- What is the moisture sensitivity level (MSL) of the STTA112U?
The moisture sensitivity level (MSL) of the STTA112U is 1 (Unlimited).
- What is the reverse leakage current of the STTA112U at 1200V?
The reverse leakage current of the STTA112U at 1200V is 10µA.
