TD251N20 Infineon - SCR

TD251N20 Description

Rated at 2000 V and 250 A, the Infineon Technologies (formerly Eupec) TD251N20 is a thyristor module. You'll find thyristors like this in soft starters, static switches, DC motor controllers and heater controls.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the TD251N20, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Infineon TD251N20 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

TD251N20 is an eupec (Infineon) PowerBLOCK thyristor/diode module. Source: eupec Power Semiconductors Shortform Catalog 2003 (catalog page available on this page as PDF).

Parameter	Value
Manufacturer	eupec (Infineon Technologies)
Product type	PowerBLOCK thyristor/diode module
Repetitive peak off-state / reverse voltage (VDRM / VRRM), series range	1000 to 1800 V
Average on-state current (ITAVM), 180° el sin	250 A at Tc = 85 °C
RMS current (ITRMSM)	410 A
Surge current (ITSM), 10 ms, Tvj max	8000 A
I²t, 10 ms, Tvj max	320 × 10³ A²s
Threshold voltage V(T0)	0.80 V
Slope resistance rT	0.70 mΩ
Critical rate of rise of on-state current (di/dt)cr	250 A/µs
Turn-off time tq, typ.	250 µs
Critical rate of rise of off-state voltage (dv/dt)cr	1000 V/µs
Thermal resistance RthJC	0.13 °C/W
Thermal resistance RthCK	0.04 °C/W
Max. junction temperature Tvj max	125 °C
Package (outline)	TP50

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