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The STTH2R02A is a high-efficiency ultrafast diode manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features:

Specifications:

• Manufacturer: STMicroelectronics (ST)
• Type: Ultrafast Diode
• Voltage Rating (VRRM): 200 V
• Average Forward Current (IF(AV)): 2 A
• Peak Forward Surge Current (IFSM): 50 A (non-repetitive)
• Forward Voltage Drop (VF): 0.95 V (at 2 A)
• Reverse Recovery Time (trr): 35 ns (typical)
• Operating Junction Temperature (Tj): -40°C to +150°C
• Package: SMA (DO-214AC)

Descriptions:

• The STTH2R02A is an ultrafast recovery diode optimized for high-efficiency applications.
• It is designed for switching power supplies, freewheeling diodes, and high-frequency rectification.
• The diode features low reverse recovery time and low forward voltage drop, ensuring reduced switching losses.

Features:

• Ultrafast Recovery Time: Minimizes switching losses in high-frequency applications.
• Low Forward Voltage: Enhances efficiency in power conversion circuits.
• High Surge Current Capability: Ensures robustness in transient conditions.
• AEC-Q101 Qualified: Suitable for automotive applications.
• Halogen-Free & RoHS Compliant: Environmentally friendly.

This information is based on the manufacturer's datasheet and technical documentation.