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Fast high voltage diode with a current rating of 8A and voltage rating of 1200V

ISO14001 ISO9001 DUNS

Brands: Stmicroelectronics

Mfr.Part #: STTH812G

Datasheet: STTH812G Datasheet (PDF)

Package/Case: TO-263-3

Product Type: Single Diodes

RoHS Status:

Stock Condition: 3,186 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

Quick Quote

Please submit RFQ for STTH812G or email to us: Email: [email protected], we will contact you within 12 hours.

STTH812G General Description

The STTH812G is not only a powerhouse of performance but also environmentally friendly, being RoHS compliant. This means that it meets the strict standards for the restriction of hazardous substances, making it a safe and sustainable choice for your applications. Whether you need a diode for high-frequency switching or demanding industrial operations, the STTH812G is sure to exceed your expectations with its superior efficiency, reliability, and environmental responsibility



  • High efficiency conversion rate
  • Overvoltage protection built-in
  • Suitable for industrial use


  • Aerospace industry
  • Medical devices


Parameter Value Parameter Value
Product Category Rectifiers RoHS Details
Mounting Style SMD/SMT Package / Case D2-PAK
Vr - Reverse Voltage 1.2 kV If - Forward Current 8 A
Type Fast Recovery Rectifiers Configuration Single
Vf - Forward Voltage 2.2 V Max Surge Current 80 A
Ir - Reverse Current 8 uA Recovery Time 50 ns
Maximum Operating Temperature + 175 C Series STTH812
Brand STMicroelectronics Height 4.6 mm (Max)
Length 10.4 mm (Max) Product Rectifiers
Product Type Rectifiers Factory Pack Quantity 1000
Subcategory Diodes & Rectifiers Width 9.35 mm (Max)
Unit Weight 0.070548 oz


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Equivalent Parts

For the STTH812G component, you may consider these replacement and alternative parts:

Part Number




Part Number :   MBR8100

Brands :  

Package :  

Description :   manufactured by ON Semiconductor, with a voltage rating of 100V and a maximum forward current rating of 8A.

Part Number :   VS-8EWF06SPBF

Brands :  

Package :  

Description :   manufactured by Vishay, with a voltage rating of 600V and a maximum forward current rating of 8A.

Part Number :   BYW98-200

Brands :  

Package :  

Description :   manufactured by NXP, with a voltage rating of 200V and a maximum forward current rating of 8A.

Part points

  • The STTH812G is a high-efficiency ultrafast diode designed for power factor correction (PFC) applications and Switched-Mode Power Supplies (SMPS). It features low forward voltage drop and high reliability, making it suitable for high voltage and high frequency operation. The chip also offers improved thermal performance and robustness for industrial applications.
  • Equivalent

    The equivalent products of the STTH812G chip are the STTH812G-TR, STTH812G-TR-ND, and STTH812G-B products. These are all Schottky diodes with the same specifications and features as the original STTH812G chip.
  • Features

    STTH812G is a dual diode module with a high voltage capability, fast recovery time, and low forward voltage drop. It is suitable for use in high voltage rectification, freewheeling, and protection applications. This module is compact and efficient, making it ideal for power supply, power conversion, and motor control circuits.
  • Pinout

    The STTH812G is a dual diode with a pin count of 2. Pin 1 is the anode of the first diode, and Pin 2 is the cathode of the second diode. The diode is designed for high-efficiency rectification in power supplies and energy recovery systems.
  • Manufacturer

    The STTH812G is manufactured by STMicroelectronics, a multinational semiconductor company based in Geneva, Switzerland. STMicroelectronics specializes in designing, manufacturing, and marketing a wide range of semiconductor products, including microcontrollers, power management components, and sensors for various industries such as automotive, industrial, and consumer electronics.
  • Application Field

    The STTH812G is commonly used in applications such as solar inverters, UPS systems, industrial drives, welding equipment, and general power supplies. It is also suitable for power factor correction circuits, switch-mode power supplies, and motor drives.
  • Package

    The STTH812G chip is available in a DO-201 package type, with a form of Through Hole, and a size of 5mm x 9.8mm.

Datasheet PDF

Preliminary Specification STTH812G PDF Download

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