STTH1212D The STTH1212D is a standard fast recovery rectifier diode by STMicroelectronics, rated for 1.2 kV reverse voltage and 12 A average forward current. It features a maximum forward voltage of 2.2 V and a reverse recovery time of 100 ns, making it suitable for high-speed switching applications.
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STTH1212D

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STTH1212D is a standard fast recovery rectifier diode by STMicroelectronics, rated for 1.2 kV reverse voltage and 12 A average forward current. It features a maximum forward voltage of 2.2 V and a reverse recovery time of 100 ns, making it suitable for high-speed switching applications.
Total Stock: 61,620 pcs
$ Price Range: $0.51 - $1.92

STTH1212D Available from 3 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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55,170 pcs
55170 pcs On Request 1 On Request On Request On Request On Request On Request
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5,000 pcs
5000 pcs On Request 1 On Request On Request 15+18+ On Request On Request
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1,450 pcs
1450 pcs On Request 1 On Request On Request On Request On Request On Request

STTH1212D 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 - Reverse (Vr) (Max)

STTH1212D Description

Short technical summary and product information.

The STTH1212D is a fast recovery rectifier diode from STMicroelectronics, designed for high-voltage switching applications. It supports a maximum reverse voltage of 1.2 kV and an average rectified forward current of 12 A, with a reverse recovery time of only 100 ns.

 

The diode exhibits a forward voltage drop of 2.2 V at 12 A and can operate at a maximum junction temperature of 175 °C. It uses standard planar technology, ensuring reliable performance in power conversion circuits.

 

The device is offered in a through-hole TO-220-2 package (also specified as TO-220AC), which simplifies mounting on heatsinks and facilitates efficient thermal management in industrial and consumer power supplies.

STTH1212D Quick Information

Product Type: Fast Recovery Rectifier Diode
Canonical Name: STMicroelectronics STTH1212D Fast Recovery Rectifier 1.2 kV 12 A
Subcategory: Fast Recovery Rectifier

STTH1212D Compliance

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

STTH1212D Estimated Pricing

Qty Low High
1+ $1.92 $1.92
10+ $0.92 $0.92
100+ $0.74 $0.74
500+ $0.60 $0.60
1,000+ $0.55 $0.55
2,000+ $0.51 $0.51

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

STTH1212D Features

  • Rated for 1.2 kV reverse voltage.
  • Supports 12 A average rectified current.
  • Fast recovery time of 100 ns.
  • Low forward voltage drop of 2.2 V.
  • Through-hole TO-220AC package.

STTH1212D Applications

  • Ideal for high-frequency rectification in SMPS.
  • Used in freewheeling and snubber circuits.
  • Suitable for boost converters and inverters.
  • Common in output rectifier stages of power supplies.

STTH1212D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum reverse voltage of STTH1212D?

The maximum reverse voltage is 1.2 kV.

What is the average rectified current rating?

The average rectified current is 12 A.

What is the forward voltage drop?

The maximum forward voltage drop is 2.2 V at 12 A.

What is the reverse recovery time?

The reverse recovery time is 100 ns.

What package is the STTH1212D available in?

It is available in TO-220-2 (also called TO-220AC) through-hole package.

What is the maximum junction temperature?

The maximum junction temperature is 175 °C.

What type of diode is this?

This is a standard fast recovery rectifier diode.

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