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Part No STTH2003C
Manufacturer STMicroelectronics
Catalog Electronic Wholesale
Description Hight frequency secondary rectifier
Rohs State Need to verify

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Pricing & Ordering $0.6484 Historical reference price : is the price that a customer announces that it is willing to pay for this component in the previous period, only for reference.
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Availability: 280,000 pieces
MOQ: 60 pcs
Order Increment : 1 pcs
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Products specifications

RoHS State Request Verification
Manufacturer STMicroelectronics
Win Source Part Number 1262164-STTH2003C
Manufacturer Homepage
Popularity Medium
Fake Threat In the Open Market 41 pct.
Supply and Demand Status Limited


The STTH2003C, from STMicroelectronics, is a state-of-the-art ultrafast diode designed specifically for switching power supplies and other power conversion systems. This high-efficiency rectifier boasts a reverse voltage of 300V and forward current of 20A, making it an ideal choice for high-frequency applications.

Key Features

  • Low Forward Voltage Drop: The STTH2003C ensures minimal losses during conduction, thanks to its low forward voltage drop. This feature helps in improving the overall efficiency of the power conversion system.
  • Ultrafast Switching: With its ultrafast recovery time, the diode is capable of operating at high frequencies without the risk of increased losses, which is critical for modern power applications.
  • High Surge Current Capability: The device can handle high surge currents, which makes it robust and reliable for applications that may experience short-term overload conditions.
  • High Junction Temperature: A maximum operating junction temperature of 175°C allows for a wider temperature range, ensuring stability and reliability under various thermal conditions.


The STTH2003C is suitable for a variety of applications, including:

  • Switch-mode power supplies (SMPS)
  • Power factor correction circuits (PFC)
  • Freewheeling diodes in converters and motor control circuits
  • Snubber diodes
  • High-frequency rectifiers

Quality and Reliability

STMicroelectronics is known for its commitment to quality, and the STTH2003C is no exception. It is manufactured to the highest standards to ensure consistent performance and longevity. The device is RoHS compliant and adheres to international quality standards, making it a reliable choice for designers and engineers across the globe.


The STTH2003C ultrafast diode is an essential component for anyone looking to design efficient, high-speed power conversion systems. With its combination of low forward voltage drop, ultrafast switching capabilities, and high surge current endurance, it stands out as a superior choice for modern electronic applications.

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