DFFHV11MR2637 Datasheet, PDF (4/13 Pages) AVX Corporation – Medium Power Film Capacitors

Medium Power Film Capacitors
FFHV/FTHV 1500Vdc to 3000Vdc
THERMAL RESISTANCES
Rth1 (°C/W): Thermal resistance
between hot spot and case
Rth1 (°C/W)
Height
Width (mm)
(mm)
125
175
230/240 0.40
0.41
295/305 0.33
0.36
370/380 0.27
0.30
450/460 0.22
0.26
530/540 0.19
0.22
610/620 0.17
0.19
R_th2 (°C/W): Thermal resistance between case and ambient air
under natural convection and forced air
Height
(mm)
230/240
295/305
370/380
450/460
530/540
610/620
Rth2 (°C)
Natural air cooling
Width (mm)
125
175
0.3
0.26
0.25
0.21
0.2
0.18
0.17
0.15
0.15
0.13
0.13
0.11
Forced air cooling >2m/s
Width (mm)
125
175
0.15
0.13
0.13
0.11
0.1
0.09
0.09
0.08
0.08
0.07
0.07
0.06
For confined area, capacitor working in a closed cabinet, a thermal test
under real conditions is necessary to evaluate the thermal resistance.
PARASITIC INDUCTANCE VS SIZE
Measurement @ 1MHz
Height
(mm)
230
295
370
450
530
610
Ls (nH) FFHV resin top
Width (mm)
2 Connections
4 Connections
125
175
125
175
70
73
27
30
72
77
29
34
75
82
32
39
79
86
36
43
82
91
39
48
85
96
42
53
Height
(mm)
240
305
380
460
540
620
Ls (nH) FTHV hermetic case
Width (mm)
2 Connections
4 Connections
125
175
125
175
73
76
28
31
75
80
30
35
78
85
33
40
82
89
37
44
85
94
40
49
88
99
43
54
58
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