Type WMF Polyester Film Capacitors
Film/Foil, Axial Leads - Commercial, Industrial Applications
Type WMF axial-leaded, polyester film/foil capacitors, available in
a wide range of capacitance and voltage ratings, offer excellent
moisture resistance capability with extended foil, non-inductive
wound sections, epoxy sealed ends and a sealed outer wrapper. Like
the Type DMT, Type WMF is an ideal choice for most applications,
especially those with high peak currents.
Highlights
- Very high dV/dt
- Very high peak current
- Low inductance
Specifications
Capacitance Range
Capacitance Tolerance @ 1 kHz/25 ºC
Rated Voltage
Operating Temperature Range
Insulation Resistance
Dissipation Factor
Dielectric Strength
Life Test
.001 to 5 µF
±10% (K) Standard Tolerance, ±5% (J)/±20% (M) (Optional)
50 to 630 Vdc
–55 ºC to 125 ºC*
*Full rated voltage at 85 ºC - derated linearly to 50% rated at 125 ºC
30,000 MΩ x µF, 100,000 MΩ Min.
.75% Max. (25 °C, 1 kHz)
250%
500 Hours at 85 °C at 125% Rated Voltage
RoHS Compliant
Construction Details
Case Material
Resin Material
Terminal Material
UL510 Polyester Tape Wrap
UL94V-0 Epoxy Fill
Tin Plated Copper - Clad Steel
Dimensions
(38.1mm)
Min.
L MAX.
(38.1mm)
Min.
MAX.
D
d
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
Type WMF Polyester Film Capacitors
Film/Foil, Axial Leads
Cap.
µF
Catalog
Part Number
D
mm
25.1
25.3
5.0
5.1
5.1
5.1
5.5
5.5
5.8
6.1
6.6
6.9
7.4
7.4
7.4
7.5
8.0
L
mm
50.8
58.7
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
20.6
23.8
23.8
d
mm
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
dV/dt
V/μs
1300
1300
9000
9000
9000
9000
9000
9000
9000
9000
9000
9000
9000
9000
9000
5800
5800
Cap.
µF
Catalog
Part Number
D
mm
8.5
9.3
10.0
10.0
10.9
11.7
12.7
12.9
14.7
16.0
17.4
16.9
18.3
20.1
19.0
20.7
22.5
24.2
26.2
29.5
30.1
L
mm
23.8
23.8
25.4
25.4
25.4
25.4
25.4
34.9
34.9
34.9
34.9
41.3
41.3
41.3
50.8
50.8
50.8
50.8
50.8
50.8
65.1
d
mm
0.6
0.6
0.6
0.6
0.6
0.6
0.8
0.8
0.8
0.8
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
dV/dt
V/μs
5800
5800
5800
5800
5800
5800
5800
3700
3700
3700
3700
3700
3700
3700
1600
1600
1600
1600
1600
1600
1600
1.2500 WMF4W1P25K-F
1.5000 WMF4W1P5K-F
0.0010 WMF6D1K-F
0.0012 WMF6D12K-F
0.0015 WMF6D15K-F
0.0018 WMF6D18K-F
0.0022 WMF6D22K-F
0.0027 WMF6D27K-F
0.0033 WMF6D33K-F
0.0039 WMF6D39K-F
0.0047 WMF6D47K-F
0.0056 WMF6D56K-F
0.0068 WMF6D68K-F
0.0082 WMF6D82K-F
0.0100 WMF6S1K-F
0.0150 WMF6S15K-F
0.0180 WMF6S18K-F
0.0220 WMF6S22K-F
0.0270 WMF6S27K-F
0.0330 WMF6S33K-F
0.0390 WMF6S39K-F
0.0470 WMF6S47K-F
0.0560 WMF6S56K-F
0.0680 WMF6S68K-F
0.0820 WMF6S82K-F
0.1000 WMF6P1K-F
0.1200 WMF6P12K-F
0.1500 WMF6P15K-F
0.1800 WMF6P18K-F
0.2200 WMF6P22K-F
0.2700 WMF6P27K-F
0.3300 WMF6P33K-F
0.3900 WMF6P39K-F
0.4700 WMF6P47K-F
0.5600 WMF6P56K-F
0.6800 WMF6P68K-F
0.8200 WMF6P82K-F
1.0000 WMF6W1K-F
600/630 Vdc
Notice and Disclaimer:
All product drawings, descriptions, specifications, statements, information and
data (collectively, the “Information”) in this datasheet or other publication are subject to change. The
customer is responsible for checking, confirming and verifying the extent to which the Information con-
tained in this datasheet or other publication is applicable to an order at the time the order is placed. All
Information given herein is believed to be accurate and reliable, but it is presented without any guaran-
tee, warranty, representation or responsibility of any kind, expressed or implied. Statements of suitability
for certain applications are based on the knowledge that the Cornell Dubilier company providing such
statements (“Cornell Dubilier”) has of operating conditions that such Cornell Dubilier company regards
as typical for such applications, but are not intended to constitute any guarantee, warranty or representa-
tion regarding any such matter – and Cornell Dubilier specifically and expressly disclaims any guarantee,
warranty or representation concerning the suitability for a specific customer application, use, storage,
transportation, or operating environment. The Information is intended for use only by customers who
have the requisite experience and capability to determine the correct products for their application. Any
technical advice inferred from this Information or otherwise provided by Cornell Dubilier with reference
to the use of any Cornell Dubilier products is given gratis (unless otherwise specified by Cornell Dubilier),
and Cornell Dubilier assumes no obligation or liability for the advice given or results obtained. Although
Cornell Dubilier strives to apply the most stringent quality and safety standards regarding the design
and manufacturing of its products, in light of the current state of the art, isolated component failures may
still occur. Accordingly, customer applications which require a high degree of reliability or safety should
employ suitable designs or other safeguards (such as installation of protective circuitry or redundancies
or other appropriate protective measures) in order to ensure that the failure of an electrical component
does not result in a risk of personal injury or property damage. Although all product-related warnings,
cautions and notes must be observed, the customer should not assume that all safety measures are indi-
cated in such warnings, cautions and notes, or that other safety measures may not be required.
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
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