The STTH802SF is a high-speed silicon rectifier diode designed for efficient rectification in power electronic circuits. Featuring a high repetitive peak reverse voltage of 800 V and a forward current rating of 8 A, it offers robust performance in demanding industrial and consumer applications. Its soft recovery characteristics help reduce switching losses and electromagnetic interference, improving overall system efficiency. The device is housed in a compact and thermally efficient plastic package, making it suitable for use in power supplies, converters, and motor drives. For detailed technical support and sourcing, visit IC Manufacturer.
STTH802SF Technical Specifications
Parameter
Value
Unit
Maximum Repetitive Peak Reverse Voltage (VRRM)
800
V
Average Forward Current (IF(AV))
8
A
Surge Non-Repetitive Forward Current (IFSM)
150
A
Forward Voltage Drop (VF) at IF=8A
1.7
V (typical)
Reverse Recovery Time (trr)
75
ns
Junction Temperature Range (Tj)
-65 to +150
??C
Storage Temperature Range (Tstg)
-65 to +150
??C
Package
TO-220AC
–
STTH802SF Key Features
High Voltage Blocking Capability: Supports repetitive peak reverse voltages up to 800 V, ensuring reliable operation in high-voltage power circuits.
High Forward Current Rating: Handles continuous forward currents up to 8 A, enabling its use in medium-power rectification applications.
Fast Recovery Time: With a reverse recovery time of 75 ns, this diode minimizes switching losses and reduces electromagnetic interference, enhancing system efficiency.
Robust Surge Current Capability: The device withstands surge currents up to 150 A, providing enhanced reliability during transient conditions.
Thermally Efficient TO-220 Package: The plastic case ensures effective heat dissipation, simplifying thermal management in industrial environments.
Wide Operating Temperature Range: Suitable for harsh operating environments, supporting junction temperatures from -65 ??C to +150 ??C.
Low Forward Voltage Drop: Typical forward voltage of 1.7 V at 8 A reduces conduction losses, improving overall energy efficiency.
Typical Applications
Switch mode power supplies (SMPS) where fast switching and high voltage capabilities are critical for efficient power conversion.
Inverters and motor control circuits requiring reliable rectification with low switching losses.
Freewheeling diodes in industrial automation systems to protect power transistors from inductive load kickback.
Power factor correction (PFC) circuits enhancing efficiency and reducing harmonic distortion in electrical equipment.
STTH802SF Advantages vs Typical Alternatives
This device offers a superior combination of high voltage rating and fast recovery time compared to standard rectifiers, enabling lower switching losses and improved electromagnetic compatibility. Its robust surge current capability and low forward voltage drop enhance reliability and efficiency in demanding applications. The compact TO-220 package supports effective thermal management, making it a preferred choice over bulkier or slower alternatives in industrial electronics.
The STTH802SF diode is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in power devices designed to meet stringent industrial requirements, combining innovation with reliability. The STTH802SF is part of their extensive portfolio of fast recovery diodes engineered for high efficiency and rugged performance in power conversion and motor control applications.
FAQ
What is the maximum repetitive peak reverse voltage of this
