Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Plastic Film Capacitors
1 2 3 4 5 6 7 8 9 11 12
E C W FE
Product code Dielectric &
construction
SuffixCap. Tol.Rated voltage Capacitance
10
J ±5 %
K ±10 %
2W 450 V.DC
2J 630 V.DC
Code
Blank
A
Lead Form
Straight
Cut lead
1 2 3 4 5 6 7 8 9 11 12
E C W FE2W
Product code Dielectric &
construction
SuffixCap. Tol.Rated voltage Capacitance
10
P ±5 %
Q ±10 %
2W 450 V.DC
Code
1
A
Lead Form
Straight
Cut lead
● Small size
● Excellent frequency characteristics
● Low loss
● Flame retardant plastic case and non-combustible resin
● Low Hum Sound Noise
● RoHS directive compliant
● Active fi lter circuit
● High frequency circuit
● Standard
● Short lead space product (0.47 F)
Features
Metallized Polypropylene
Film Capacitor
Type : ECWFE
✽ In case of applying voltage in alternating current (50 Hz or 60 Hz sine wave) to a capacitor with DC rated voltage,
please refer to the page of “Permissible voltage (R.M.S) in alternating current corresponding to DC rated voltage”.
Non-inductive construction using metalized Polypropylene
fi lm with fl ame retardant plastic case.
Category temp. range
(Including temperature-rise on unit surface)
– 40 °C to +105 °C
Rated voltage
450 V.DC (Derating of rated voltage by 1.25 %/°C at more than 85 °C)
Peak to peak voltage applied on the capacitor should be less than 240 Vp-p ,and
zero to peak voltage should be less than 450 Vo-p.
630 V.DC ( Derating of rated voltage by 1.0%/
°C
at more than 85
°C
)
Peak to peak voltage applied on the capacitor should be less than
400 Vp-p ,and zero to peak voltage should be less than 630 Vo-p.
Capacitance range 450 V.DC 0.1 F to 4.7 F
630 V.DC 0.1 F to 2.2 F
Capacitance tolerance ±5 %(J), ±10 %(K)
Dissipation factor (tan d) tan d < 0.1 % (20 °C, 1 kHz)
Withstand voltage Between terminals : Rated voltage (V.DC)×150 % 60 s
Insulation resistance (IR)
450 V.DC C < 0.33 F : IR > 30000 MΩ (20 °C, 100 V.DC, 60 s)
C > 0.33 F : IR > 10000 MΩ  µF
630 V.DC C < 0.33 F : IR > 9000 MΩ (20 °C, 500 V.DC, 60 s)
C > 0.33 F : IR > 3000 MΩ  µF
Recommended applications
Speci cations
Explanation of part number
Sep. 201702
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Plastic Film Capacitors
4.0±0.5
Cut lead
(Suffix A)
Marking
Tin-plated
copper-clad steel wire
0d±0.05
L±0.5 T±0.5
H±0.5
F±0.4
20 min.
Q+1.4
–0.6
P
(Lead location limits from center)
Marking example
WFE2W
105J
Note : Date code.
Unit : mm
● Rated voltage : 450 V.DC, Capacitance tolerance : ±5 %(J), ± 10 %(K),
● Rated voltage : 630 V.DC, Capacitance tolerance : ±5 %(J), ± 10 %(K),
Part No. Cap.
(µF)
Dimensions (mm) Min. order Q'ty
LT
HF
fdP Q Straight Cut lead
ECWFE2W104◻( ) 0.10 13.0 5.0 10.5 10.0 0.6 0±0.8 1.5
1000
1000
ECWFE2W154◻( ) 0.15 13.0 5.0 10.5 10.0 0.6 0±0.8 1.5
ECWFE2W224◻( ) 0.22 13.0 6.0 12.0 10.0 0.6 0±0.8 1.5
ECWFE2W334◻( ) 0.33 13.0 6.0 12.0 10.0 0.6 0±0.8 1.5
ECWFE2W474P( )
ECWFE2W474Q( ) 0.47 13.0 7.0 12.5 10.0 0.6 0±0.8 1.5
ECWFE2W474◻( ) 0.47 17.5 6.0 11.5 15.0 0.8 0±0.8 1.3
ECWFE2W684◻( ) 0.68 17.5 7.0 12.5 15.0 0.8 0±0.8 1.3
ECWFE2W105◻( ) 1.0 17.5 7.0 12.5 15.0 0.8 0±0.8 1.3
ECWFE2W155◻( ) 1.5 17.5 10.0 15.5 15.0 0.8 0±0.8 1.3 600
ECWFE2W225◻( ) 2.2 17.5 10.0 15.5 15.0 0.8 0±0.8 1.3
ECWFE2W335◻( ) 3.3 26.0 10.0 17.0 22.5 0.8 0±0.8 1.8 500 300
ECWFE2W475◻( ) 4.7 26.0 12.0 19.0 22.5 0.8 0±0.8 1.8 300 200
Part No. Cap.
(µF)
Dimensions (mm) Min. order Q'ty
LT
HF
fdP Q Straight Cut lead
ECWFE2J104◻( ) 0.10 17.5 5.0 10.5 15.0 0.6 0±0.8 1.3
1000
1000ECWFE2J154◻( ) 0.15 17.5 6.0 11.5 15.0 0.6 0±0.8 1.3
ECWFE2J224◻( ) 0.22 17.5 7.0 12.5 15.0 0.6 0±0.8 1.3
ECWFE2J334◻( ) 0.33 17.5 8.5 14.5 15.0 0.6 0±0.8 1.3 800
ECWFE2J474◻( ) 0.47 17.5 10.0 15.5 15.0 0.6 0±0.8 1.3 600
ECWFE2J684◻( ) 0.68 17.5 11.0 17.5 15.0 0.6 0±0.8 1.3 600
ECWFE2J105◻( ) 1.0 26.0 10.0 17.0 22.5 0.8 0±0.8 1.8 500 300
ECWFE2J155◻( ) 1.5 26.0 12.0 19.0 22.5 0.8 0±0.8 1.8 300 200
ECWFE2J225◻( ) 2.2 26.0 16.0 23.0 22.5 0.8 0±0.8 1.8 200
✽ ◻ : Capacitance tolerance code
( ) : Suffi x for lead crimped
✽ ◻ : Capacitance tolerance code
( ) : Suffi x for lead crimped
Note) Part Number marked with is Short Lead Space Product.
Dimensions
Rating · Dimensions · Quantity
Sep. 201702