Summary

Metallized Polypropylene Film Capacitor
ECWFD DC450 V series
Safety test
Applications・Features
Safety at the life-end
Film capacitor for PFC power supply, Lighting apparatus
Safety test :AC step up voltage test
②Low hum noise ③High reliability/Open failure mode
④Halogen free
⑤RoHS directive compliant
Application example （ＰＦＣ circuit）
PFC capacitor (WFD)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
200
Capacitance
容 量 change
残 存 率 rate
①Small size
Competitor
Cpmpetitor:short
Safety
Competitor:short
ECWFD
400
600
800
1000
印加電圧[Vrms]
Voltage
[Vrms]
Construction/Specifications
(comparison data)
Contributing to the miniaturization
and the decrease hum noise of the appliance
T max
Lmax
Dimensions
Fuse function works
and finally comes to
open circuit.
Hmax
Hmax
φd ±0.05
J max
Miniaturize
Standard
Dielectric film
Metallized polypropylene film
Metallized polypropylene film
Type
ECWFD 1.0μF
ECWF(A) 1.0μF
Cap.／Size
Lmax
Tmax
Hmax
F （S）
Φd（diameter）
Categorytemp. range
-40 to +110℃
-40 to +105℃
104
12.6
4.5
8.9
S
10.0
0.6
154
12.6
4.6
9.1
S
10.0
0.6
224
12.6
5.0
9.6
S
10.0
0.6
334
12.6
5.6
10.4
S
10.0
0.6
12.6
6.5
11.2
10.0
0.6
17.5
5.8
9.0
15.0
0.8
12.6
7.7
12.4
10.0
0.6
17.5
6.7
9.9
15.0
0.8
12.6
9.2
13.9
10.0
0.6
17.5
7.8
11.0
15.0
0.8
155
17.5
9.3
12.5
15.0
0.8
225
17.5
11.1
14.3
15.0
0.8
335
25.3
9.8
14.6
22.5
0.8
475
25.3
11.7
16.4
22.5
0.8
Appearance
Size index
Ripple current
17.5 x 7.8x 11.0
( 73 )
24.3Ao-p／3.1Arms
Hum noise
24.3Ao-p／3.4Arms
at 100kHz
Hum frequency 【kHz】
（Pulse／rms）
18.1 x 9.3 x 12.6
( 100 )
Input wave frequency
【kHz】
63dB (at 15.75kHz)
Type
474
684
at 100kHz
Hum frequency 【kHz】
L x T x H (mm)
105
Input wave frequency
【kHz】
63dB (at 15.75kHz)
S±0.8
F±1.0
Miniaturize ECWFD （E12 series）