STTH4R02S Overview
The STTH4R02S is a high-performance ultrafast recovery diode designed for industrial power applications requiring efficient switching and low losses. Featuring a maximum repetitive peak reverse voltage of 200 V and a forward current rating of 4 A, this device enables rapid switching with minimal reverse recovery time, enhancing overall system efficiency. Its robust avalanche capability and low leakage current make it suitable for demanding environments. Engineered for reliability and optimized for power conversion circuits, the STTH4R02S is an excellent choice for engineers and sourcing specialists seeking quality and performance from a trusted IC Manufacturer.
STTH4R02S Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 200 | V |
| Average Forward Current (IF(AV)) | 4 | A |
| Surge Non-Repetitive Forward Current (IFSM) | 50 | A |
| Forward Voltage Drop (VF) at IF = 4 A | 1.4 | V (typical) |
| Reverse Recovery Time (trr) | 75 | ns (typical) |
| Junction Temperature Range (Tj) | -65 to +175 | ??C |
| Storage Temperature Range (Tstg) | -65 to +175 | ??C |
| Power Dissipation (PTOT) | 30 | W |
STTH4R02S Key Features
- Ultrafast Recovery Time: The diode offers a typical reverse recovery time of 75 ns, which minimizes switching losses and electromagnetic interference in high-frequency applications.
- High Surge Current Capability: Supports up to 50 A surge current, ensuring robustness in transient conditions and improving circuit reliability.
- Low Forward Voltage Drop: With a forward voltage drop of approximately 1.4 V at rated current, it enhances efficiency by reducing conduction losses.
- Wide Operating Temperature Range: The device operates reliably from -65 ??C up to 175 ??C, suitable for harsh industrial environments.
Typical Applications
- Switching power supplies where fast recovery diodes reduce switching losses and improve efficiency in DC-DC converters and power factor correction circuits.
- Inverters for renewable energy systems, providing rapid switching for reliable power conversion.
- Motor drives requiring efficient freewheeling diodes to handle high surge currents and fast switching.
- Snubber circuits and commutation circuits in industrial electronics benefiting from ultrafast switching characteristics.
STTH4R02S Advantages vs Typical Alternatives
This ultrafast diode delivers superior switching speed and low forward voltage compared to general-purpose diodes, reducing power dissipation and thermal stress. Its high surge current tolerance and wide temperature range enhance reliability in demanding industrial environments. The optimized reverse recovery time minimizes electromagnetic interference, making it a preferred choice over slower recovery diodes in power conversion and motor control applications.
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STTH4R02S Brand Info
The STTH4R02S is manufactured by STMicroelectronics, a leading global semiconductor company specializing in power and discrete devices for industrial and consumer applications. STMicroelectronics is recognized for delivering reliable, high-quality components that meet rigorous performance standards. This diode is part of ST??s extensive portfolio of ultrafast recovery diodes designed to improve energy efficiency and system reliability in power electronics.
FAQ
What is the maximum reverse voltage rating of the STTH4R02S?
The device features a maximum repetitive peak reverse voltage (VRRM) of 200 V, allowing it to block voltages up to this level without breakdown. This rating is critical for ensuring safe operation in circuits exposed to high voltage stress.
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How does the reverse recovery time affect circuit performance?
The reverse recovery time of about 75 ns enables fast switching transitions, which reduces switching losses and electromagnetic interference. This improves overall efficiency and reliability in high-frequency power electronics.
Can the STTH4R02S handle surge currents?
Yes, it supports a surge non-repetitive forward current of
