5SDD50N5500 Datasheet, PDF (3/6 Pages) The ABB Group – Rectifier Diode

Thermal
Maximum rated values ¹⁾
Parameter
Symbol Conditions
Operating junction
T_vj
temperature range
Storage temperature range T_stg
Characteristic values
Parameter
Symbol Conditions
Thermal resistance junction R_th(j-c)
to case
Double-side cooled
F_m = 81...108 kN
R_th(j-c)A Anode-side cooled
F_m = 81...108 kN
R_th(j-c)C Cathode-side cooled
F_m = 81...108 kN
Thermal resistance case to R_th(c-h)
heatsink
R_th(c-h)
Double-side cooled
F_m = 81...108 kN
Single-side cooled
F_m = 81...108 kN
Analytical function for transient thermal
impedance:
5SDD 50N5500
min typ max Unit
0
150
°C
-40
150
°C
min typ max Unit
5.7 K/kW
11.4 K/kW
11.4 K/kW
1
K/kW
2
K/kW
n
Ã¥ Zth(j-c)(t) = R th i (1- e-t/ti )
i=1
i
1
2
3
4
R_{th i}(K/kW) 3.709
1.262
0.475 0.251
t_i(s)
0.8296 0.1107 0.0114 0.0024
Fig. 1 Transient thermal impedance junction-to-
case.
ABB Switzerland Ltd, Semiconductors reserves the right to change specifications without notice.
Doc. No. 5SYA1169-00 Sep. 04
page 3 of 6