TT251N18 Infineon - DUAL-SCR

Category: Thyristor & SCR Modules

Specifications: 1800V, 250A

TT251N18, Eupec Infineon power module

Representative image – actual product may differ

Availability and lead time are confirmed in our quote.

  • ✓ Quote within 24 hours
  • ✓ Original manufacturer parts, inspected before shipping
  • ✓ Credit cards and NET terms accepted

Or email sales@uscomponent.com or call 1-281-968-0718.

TT251N18 Description

Rated at 1800 V and 250 A, the Infineon Technologies (formerly Eupec) TT251N18 is a thyristor module. Common uses are AC switches, soft starters, DC drives and controlled rectifiers in industrial power equipment. If you are repairing older equipment, we can usually find this exact part, including date codes that are no longer in production.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the TT251N18, and please confirm ratings against the datasheet before ordering.

Target Applications

Infineon TT251N18 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

TT251N18 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)1800 V (series 1000 to 1800 V)
Average on-state current (ITAVM), 180° el sin250 A at Tc = 85 °C
RMS current (ITRMSM)410 A
Surge current (ITSM), 10 ms, Tvj max8000 A
I²t, 10 ms, Tvj max320 × 10³ A²s
Threshold voltage V(T0)0.80 V
Slope resistance rT0.70 mΩ
Critical rate of rise of on-state current (di/dt)cr250 A/µs
Turn-off time tq, typ.250 µs
Critical rate of rise of off-state voltage (dv/dt)cr1000 V/µs
Thermal resistance RthJC0.13 °C/W
Thermal resistance RthCK0.04 °C/W
Max. junction temperature Tvj max125 °C
Package (outline)TP50

Technical document (PDF)  |  Request a quote for TT251N18 (reply within 24 hours)

Related Part Numbers

TT250N18
1800V, 250A		TT251N20
270A/2000V		TT251N16
1600V, 250A		TT251N12
1200V, 250A
TT400N18
1800V, 400A		TT151N18
250A/1800V		TT425N18
1800V, 800A		TT500N18
1800V, 500A
TT251N18KOF
1800V, 251A		TT251N16KOF-K
1600V		TT251N16KOF-A
1600V		TT251N16KOF
1600V, 410A
TT251N14KOF
1400V, 250A		TT251N12KOF
1200V, 250A		TT251N1200KOF
250A/1200V		TT251N08KOF
410A / 800V
  • Young & New Century, LLC BBB Business Review

Why buy from USComponent

  • In business since 2001
  • Quote within 24 hours
  • Discontinued & hard-to-find parts
  • Quality-checked before shipping
  • Overnight delivery available
  • BBB A+ rated