TZ400N26KOF Infineon - SCR

TZ400N26KOF Description

TZ400N26KOF is a 2600 V, 400 A thyristor module made by Infineon Technologies. Typical applications include soft starters, AC power controllers, controlled rectifiers, DC motor drives and heating control. Production of many older modules has ended, but we keep sourcing them for repair and maintenance customers.

We help engineers and repair technicians find parts like the TZ400N26KOF, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Summary of Features

Target Applications

Infineon TZ400N26KOF 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

TZ400N26KOF is a 2600 V / 400 A thyristor module from Infineon Technologies (eupec). Source: manufacturer datasheet (detailed).

Parameter	Value
Manufacturer	Infineon Technologies (eupec)
Product type	Thyristor module (phase control)
Configuration	Single thyristor (TZ)
Repetitive peak voltage (VDRM, VRRM)	2600 V (VRSM 2700 V)
Average on-state current (ITAVM)	400 A (TC = 85 °C); 670 A (TC = 46 °C)
Maximum RMS on-state current (ITRMSM)	1050 A
Surge current (ITSM)	13000 A (Tvj = 25 °C, tP = 10 ms); 11000 A (Tvj = Tvj max, tP = 10 ms)
I²t	845000 A²s (Tvj = 25 °C, tP = 10 ms)
On-state voltage (vT)	max. 1.88 V (Tvj = Tvj max, iT = 1500 A)
Gate trigger current / voltage (IGT / VGT)	max. 250 mA / max. 2.2 V (Tvj = 25 °C, vD = 6 V)
Insulation test voltage (VISOL)	3.0 kV (RMS, 50 Hz, 1 min); 3.6 kV (1 s)
Maximum junction temperature (Tvj max)	125 °C
Datasheet	Available on this page (PDF)

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