TT400N18 Infineon - DUAL-SCR

Category: Thyristor & SCR Modules

Specifications: 1800V, 400A

TT400N18, Eupec Infineon power module

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TT400N18 Description

TT400N18 is a 1800 V, 400 A thyristor module made by Infineon Technologies (formerly Eupec). Typical applications include soft starters, AC power controllers, controlled rectifiers, DC motor drives and heating control.

We help engineers and repair technicians find parts like the TT400N18, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Target Applications

Infineon TT400N18 is used for AC/DC power conversion and control: controlled and uncontrolled rectifiers, DC motor drives, soft starters, battery chargers, welding equipment, heater and temperature control, and AC power controllers.

Key Specifications

TT400N18 is an eupec (Infineon) PowerBLOCK thyristor module (thyristor/thyristor). Source: eupec Power Semiconductors Shortform Catalog 2003 (catalog page available on this page as PDF).

ParameterValue
Manufacturereupec (Infineon Technologies)
Product typePowerBLOCK thyristor module (thyristor/thyristor)
Repetitive peak off-state / reverse voltage (VDRM / VRRM), series range2000 to 2600 V
Average on-state current (ITAVM), 180° el sin400 A at Tc = 85 °C
RMS current (ITRMSM)800 A
Surge current (ITSM), 10 ms, Tvj max11000 A
I²t, 10 ms, Tvj max605 × 10³ A²s
Threshold voltage V(T0)1.00 V
Slope resistance rT0.50 mΩ
Critical rate of rise of on-state current (di/dt)cr150 A/µs
Turn-off time tq, typ.300 µs
Critical rate of rise of off-state voltage (dv/dt)cr1000 V/µs
Thermal resistance RthJC0.065 °C/W
Thermal resistance RthCK0.02 °C/W
Max. junction temperature Tvj max125 °C
Package (outline)TP60

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Related Part Numbers

TT425N18
1800V, 800A		TT400N20
2000V, 400A		TT400N16
400A/1600V		TT500N18
1800V, 500A
TT570N18
1800V, 570A		TT400N12
400A/1200V		TT251N18
1800V, 250A		TT250N18
1800V, 250A
TT400N18KOF
1800V, 400A		TT400N16KOF
1600V, 400A		TT400N24KOF
400A/2400V		TT400N14KOF
1400V, 400A
TT400N26KOF
400A/2600V		TT400N12KOF
1200V, 400A		TT400N08
800V, 400A		TT425N08
800V, 800A
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