5SDD54N4000 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
R_th(j-c)A
R_th(j-c)C
Double-side cooled
F_m = 81...108 kN
Anode-side cooled
F_m = 81...108 kN
Cathode-side cooled
F_m = 81...108 kN
Thermal resistance case to R_th(c-h) Double-side cooled
heatsink
F_m = 81...108 kN
R_th(c-h) Single-side cooled
F_m = 81...108 kN
Analytical function for transient thermal
impedance:
5SDD 54N4000
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
∑ Zth(j-c)(t) = n R th i (1- e-t/τi )
i=1
i
1
2
3
4
R_{th i}(K/kW) 3.728
1.248
0.433 0.292
τ_i(s)
0.8115 0.1014 0.0089 0.0015
Fig. 1 Transient thermal impedance junction-to-
case.
ABB Switzerland Ltd, Semiconductors reserves the right to change specifications without notice.
Doc. No. 5SYA1171-00 Dec. 03
page 3 of 6