Skip to main content

We use cookies to understand how you use our site and improve your experience. See our Privacy Policy.

STTA1206DI

Ultra-Fast High Voltage Diode

The STTA1206DI is a ultra-fast high voltage diode from STMicroelectronics. View the full STTA1206DI datasheet below including key specifications.

STTA1206DI shares its datasheet with STTA1206D, whose page lists every part number it covers.

Official STTA1206DI datasheet (PDF) — the source this page was extracted from.

Manufacturer

STMicroelectronics

Category

Diodes

STTA1206DI Key Specifications

ParameterValue
Insulation Voltage2500VRMS
Insulation Capacitance<7pF
Storage Temperature Range-65°C to 150°C
Average Forward Current (IF(AV))12A
Reverse Recovery Time (Trr, Max)55ns
Reverse Recovery Time (Trr, Typ)28ns
Operating Junction Temperature (Max)150°C
Repetitive Peak Reverse Voltage (VRRM)600V
Forward Voltage Drop (VF, Max, Tj=25°C)1.75V
Forward Voltage Drop (VF, Max, Tj=125°C)1.5V
Surge Non-Repetitive Forward Current (IFSM)110A
Reverse Leakage Current (IR, Max, Tj=125°C)5mA
RMS Forward Current (IF(RMS), Insulated TO-220AC)20A
Junction To Case Thermal Resistance (Insulated TO-220AC)3.0°C/W

STTA1206DI Overview

Part: STTA1206D/DI/G — STMicroelectronics

Type: TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE

Description: 12 A average forward current, 600 V repetitive peak reverse voltage, 28 ns typical reverse recovery time, and 1.5 V maximum forward voltage.

Operating Conditions:

  • Max operating junction temperature: 150 °C
  • Storage temperature: -65 to 150 °C
  • Repetitive peak reverse voltage: 600 V

Absolute Maximum Ratings:

  • Max reverse voltage: 600 V (V RRM)
  • Max RMS forward current: 30 A (TO-220AC / D2PAK)
  • Max junction temperature: 150 °C
  • Max storage temperature: 150 °C

Key Specs:

  • Repetitive peak reverse voltage (V RRM): 600 V
  • Average forward current (I F(AV)): 12 A
  • RMS forward current (I F(RMS)): 30 A (TO-220AC / D2PAK)
  • Forward voltage drop (V F): 1.5 V (max, Tj = 125°C, I F =12A)
  • Reverse recovery time (t rr): 28 ns (typ, Tj = 25°C, I F = 0.5 A, I R = 1A, Irr = 0.25A, I F = 1 A dI F /dt =-50A/μs V R =30V)
  • Reverse leakage current (I R): 5 mA (max, V R =0.8 x V RRM, Tj = 125°C)
  • Dynamic resistance (rd): 29 mΩ
  • Junction to case thermal resistance (R th(j-c)): 1.9 °C/W (TO-220AC / D 2 PAK)

Features:

  • Specific to 'freewheel mode' operations: freewheel or booster diode.
  • Ultra-fast and soft recovery.
  • Very low overall power losses in both the diode and the companion transistor.
  • High frequency operations.
  • Insulated package: TO-220AC (Electrical insulation: 2500VRMS, Capacitance < 7 pF).

Applications:

  • Motor control freewheel applications.
  • Booster diode applications in power factor control circuitries.
  • Use on 240V domestic mains.

Package:

  • TO-220AC
  • TO-220AC Ins.
  • D2PAK

STTA1206DI Thermal Information

SymbolParameterTest conditionsTest conditionsValueUnit
R th(j-c)Junction to case thermal resistanceTO-220AC / D 2 PAK TO-220AC ins.1.9 3.0°C/W
P 1Conduction power dissipation I F(AV) = 12A d =0.5TO-220AC / D 2 PAK TO-220AC ins.Tc= 108°C Tc= 84°C22W
P maxTotal power dissipation Pmax = P1 + P3 (P3 = 10% P1)TO-220AC /D 2 PAK TO-220AC ins.Tc= 104°C Tc= 78°C24W
SymbolParameterTest conditionsTest conditionsMinTypMaxUnit
V F *Forward voltage dropI F =12ATj = 25°C Tj = 125°C1.251.75 1.5V V
I R **Reverse leakage currentV R =0.8 x V RRMTj = 25°C Tj = 125°C2100 5m A mA
V toThreshold voltageIp < 3.I AVTj = 125°C1.15V
rdDynamic resistance29m W
SymbolParameterTest conditionsMinTypMaxUnit
t rrReverse recovery timeTj = 25°C I F = 0.5 A I R = 1A Irr = 0.25A I F = 1 A dI F /dt =-50A/ m s V R =30V2855ns
I RMMaximum reverse recovery currentTj = 125°C VR = 400V I F =12A dI F /dt = -96 A/ m s dI F /dt = -500 A/ m s167.5A
S factorSoftness factorTj = 125°C V R = 400V I F =12A dI F /dt = -500 A/ m s0.45-

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
STTA1206DSTMicroelectronicsTO-220AC
STTA1206GSTMicroelectronicsD2PAK

Other Diodes

  • CDSOT23-SM712 – Bourns Inc., Surface Mount TVS Diode
  • SS34HE – Vishay Intertechnology, Schottky Barrier Rectifier
  • BSD3A311V – Brightking, ESD Protection Diode
  • CH213K – WCH, Low Dropout Ideal Diode Chip
  • VMNN110CMS-TR – Stanley Electric, Infrared Emitting Diode
  • ESD5Z2.5T1G – onsemi, ESD Protection TVS Diode
  • PMEG4010CEJ – Nexperia, Schottky Barrier Rectifier
  • USBLC6-2SC6 – STMicroelectronics, ESD Protection Device

All Diodes datasheetsAll STMicroelectronics datasheets (808)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the STTA1206DI

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the STTA1206DI run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.