STMicroelectronics

STC03DE170HP

STC03DE170HP Description

The STC03DE170HP is a high-performance Emitter Switched Bipolar Transistor (ESBT®) from STMicroelectronics, designed for demanding high-voltage switching applications. With a 1700V (1.7kV) voltage rating and 3A current capability, this device combines the advantages of bipolar transistors and MOSFETs, offering low conduction losses and fast switching speeds. Packaged in a TO-247-4LHP (Through Hole) configuration, it is optimized for high-power, high-efficiency systems. Although marked as Obsolete, it remains a robust choice for legacy designs requiring reliable high-voltage switching.

STC03DE170HP Features

• High Voltage Rating: 1700V withstand capability, ideal for industrial and power supply applications.
• Low Conduction Losses: ESBT® technology ensures efficient performance with minimal power dissipation.
• Fast Switching: Optimized for high-frequency operation, reducing switching losses.
• Robust Packaging: TO-247-4LHP ensures mechanical durability and effective heat dissipation.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.
• Moisture Resistance: MSL 1 (Unlimited) rating ensures reliability in humid conditions.

STC03DE170HP Applications

• Power Supplies: High-voltage DC-DC converters and offline SMPS.
• Industrial Systems: Motor drives, inverters, and welding equipment.
• Renewable Energy: Solar inverters and wind power systems requiring efficient high-voltage switching.
• Medical & Telecom: High-reliability power modules where low losses are critical.
• Legacy Upgrades: Suitable for maintaining or upgrading older high-voltage designs.

Conclusion of STC03DE170HP

The STC03DE170HP stands out for its high-voltage endurance, low-loss operation, and fast switching, making it a preferred choice for specialized power electronics. While obsolete, its ESBT® technology offers a unique blend of performance benefits, particularly in industrial and renewable energy applications. Engineers seeking a proven, high-efficiency solution for 1700V systems will find this device a reliable option despite its discontinued status.