STTH812DI STTH812DI is a 1200V, 8A fast recovery rectifier diode from STMicroelectronics. It features a 100ns reverse recovery time and is packaged in a TO-220AC insulated through-hole package.
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STTH812DI

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
STTH812DI is a 1200V, 8A fast recovery rectifier diode from STMicroelectronics. It features a 100ns reverse recovery time and is packaged in a TO-220AC insulated through-hole package.
Total Stock: 12,264 pcs
$ Price Range: $0.64 - $2.24

STTH812DI Available from 3 distributors

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7,764 pcs
7764 pcs On Request 1 On Request On Request 17+ On Request On Request
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4,000 pcs
4000 pcs On Request 1 On Request On Request On Request On Request On Request
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500 pcs
500 pcs On Request 1 On Request On Request On Request On Request On Request

STTH812DI Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Operating Temperature
Reverse Recovery Time (trr)
Speed
Supplier Device Package
Tape & Reel
Technology
Voltage
Voltage - DC Reverse (Vr) (Max)

STTH812DI Description

Short technical summary and product information.

The STTH812DI is a fast recovery rectifier diode designed for high-voltage applications. It offers a maximum reverse voltage of 1200V and an average rectified current of 8A. The diode has a typical reverse recovery time of 100ns, making it suitable for high-frequency switching circuits. The forward voltage is typically 2.2V at 8A. The device is housed in a TO-220-2 insulated package (TO-220AC) with through-hole mounting, providing good thermal performance. The junction temperature rating is up to 175°C. This diode is ideal for applications requiring fast switching and high efficiency, such as power supplies and converters.

STTH812DI Quick Information

Product Type: Fast Recovery Rectifier Diode
Series: STTH812
Canonical Name: STTH812DI - 1200V, 8A Fast Recovery Rectifier Diode, TO-220AC Insulated
Subcategory: Fast Recovery Rectifier

STTH812DI Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

STTH812DI Estimated Pricing

Qty Low High
1+ $2.24 $2.24
10+ $1.09 $1.09
100+ $0.95 $0.95
500+ $0.76 $0.76
1,000+ $0.65 $0.65
2,000+ $0.64 $0.64

Estimated market price range - modelled values for guidance only, not live distributor offers.

STTH812DI Features

  • Fast recovery time of 100 nanoseconds.
  • Rated reverse voltage of 1200 volts.
  • Average forward current of 8 amperes.
  • Max forward voltage of 2.2V at 8A.
  • TO-220AC insulated through-hole package.

STTH812DI Applications

  • Used in high-voltage power supply rectification.
  • Suitable for switch-mode power supplies.
  • Ideal for freewheeling and snubber diodes.
  • Applied in industrial motor drives.
  • Used in high-frequency inverters.

STTH812DI FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage of the STTH812DI?

1200V.

What is the average rectified current rating?

8A.

What is the forward voltage drop?

2.2V maximum at 8A.

What is the reverse recovery time?

100ns typical.

What is the package type?

TO-220-2 Insulated, also known as TO-220AC.

What is the maximum operating junction temperature?

175°C.

Is this a fast recovery diode?

Yes, it is classified as Fast Recovery =< 500ns, > 200mA (Io).

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