STTH4R02B-TR Overview
The STTH4R02B-TR is a high-speed ultrafast recovery rectifier diode designed for efficient power conversion in industrial and automotive applications. Featuring a maximum repetitive peak reverse voltage of 200 V and a forward current rating of 4 A, it offers excellent switching performance with low reverse recovery time. This device supports high-frequency switching circuits by minimizing switching losses and improving overall system efficiency. Packaged in a compact DO-201AD format, it ensures ease of integration in space-constrained designs. Sourcing specialists and engineers benefit from its robust electrical characteristics and reliability, making it an ideal choice for power supplies, inverters, and motor drives. More details are available via IC Manufacturer.
STTH4R02B-TR Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 200 V |
| Average Forward Current (IF(AV)) | 4 A |
| Non-Repetitive Peak Forward Surge Current (IFSM) | 50 A |
| Maximum Forward Voltage Drop (VF) at IF=4A | 1.7 V (typical) |
| Reverse Recovery Time (trr) | 50 ns (typical) |
| Junction Temperature Range (Tj) | -65 ??C to +150 ??C |
| Thermal Resistance Junction to Ambient (RthJA) | 45 ??C/W |
| Package Type | DO-201AD (Axial Leaded) |
STTH4R02B-TR Key Features
- Ultrafast Recovery Time: With a typical reverse recovery time of 50 ns, the device reduces switching losses and electromagnetic interference in high-frequency applications.
- High Forward Current Capability: Supports continuous forward currents up to 4 A, ensuring robust performance in demanding power circuits.
- Low Forward Voltage Drop: Minimizes conduction losses, improving overall system efficiency and thermal management.
- Compact DO-201AD Package: Enables easy PCB mounting and space-saving design, suitable for dense industrial assemblies.
Typical Applications
- High-frequency switching power supplies, where fast recovery diodes reduce switching losses and improve efficiency in DC-DC converters and inverters.
- Automotive electronic circuits requiring reliable rectification and high surge current capability for transient conditions.
- Motor drive circuits that benefit from ultrafast switching diodes to maximize performance and reduce heat dissipation.
- Industrial power rectification systems including UPS and battery chargers, where durability and fast recovery improve reliability.
STTH4R02B-TR Advantages vs Typical Alternatives
This ultrafast recovery diode offers superior switching speed and lower forward voltage drop compared to standard rectifiers, resulting in reduced switching and conduction losses. Its high surge current capability and temperature rating enhance reliability under transient and harsh industrial conditions. The compact axial DO-201AD package supports easy integration into existing designs, making it a preferred choice for engineers aiming to optimize power efficiency and device longevity in demanding applications.
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STTH4R02B-TR Brand Info
The STTH4R02B-TR is manufactured by STMicroelectronics, a global leader in semiconductor solutions for industrial and automotive markets. STMicroelectronics specializes in high-performance discrete components and power devices designed to increase efficiency and reliability across a wide range of applications. This ultrafast diode is part of ST??s extensive portfolio of rectifiers, renowned for robust design, proven quality, and comprehensive technical support, making it a trusted component for engineers and sourcing professionals worldwide.
FAQ
What is the maximum repetitive peak reverse voltage of this diode?
The maximum repetitive peak reverse voltage (VRRM) is rated at 200 V, which means the device can safely block voltages up to 200 volts in the reverse direction during operation without breakdown.
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How does the reverse recovery time affect circuit performance?
The reverse recovery time of approximately 50 ns enables faster switching speeds by minimizing the time the diode takes to transition from conducting to blocking state. This reduces switching losses and electromagnetic interference, improving overall circuit efficiency.
What are the thermal limits of this diode?
The diode operates reliably over a junction temperature range from -65 ??
