SKKD212/18 Semikron - Diode Module

SKKD212/18 Description

SKKD212/18 is a 1800 V / 212 A SEMIPACK 2 dual rectifier diode module from Semikron. Typical applications: non-controllable rectifiers for AC/AC converters, line rectifiers for transistorized AC motor controllers and field supplies for DC motors.

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Summary of Features

Target Applications

Semikron SKKD212/18 is used for Non-controllable rectifiers for AC/AC converters, line rectifiers for transistorized AC motor controllers and field supplies for DC motors.

Key Specifications

SKKD212/18 is a 1800 V / 212 A SEMIPACK 2 dual rectifier diode module from Semikron. Source: manufacturer datasheet.

Parameter	Value
Manufacturer	Semikron
Configuration	Two rectifier diodes in series (SKKD)
Package	SEMIPACK 2 (case A 23)
Repetitive peak reverse voltage (VRRM)	1800 V
Non-repetitive peak reverse voltage (VRSM)	1900 V
Average forward current (IFAV)	212 A (sin. 180, Tc = 85 °C); 165 A at Tc = 100 °C
RMS forward current (IFRMS)	340 A
Surge current (IFSM)	6600 A (25 °C, 10 ms); 5500 A (125 °C, 10 ms)
I²t	217800 A²s (25 °C)
Forward voltage (VF)	1.4 V max. at IF = 500 A
Thermal resistance Rth(j-c)	0.18 K/W per diode; 0.09 K/W per module
Isolation voltage (Visol)	3600 V~ (1 s); 3000 V~ (1 min)
Junction temperature	-40 to +135 °C
Mass	165 g approx.
Datasheet	Available on this page (PDF)

Note: data taken from the Semikron datasheet of SKKD 212/12, /16, /18, which covers SKKD212/18.