Type MPF, AC Motor Run Capacitors
Oval and Round, Oil Filled, 70 ºC, Metallized Polypropylene Capacitors
Type MPF AC metallized polypropylene film dielectric capacitors
offer a reliable option for alternating current applications. All
devices are oil filled in metal cases with 4-prong quick disconnect
terminals for easy assembly. These capacitors pack high
capacitance and voltage capabilities into a small, light-weight
package. The MPF is internally protected for fail-safe operation.
These capacitors have extremely low DF that is ideal for AC motor-
run applications.
Highlights
- Low DF
- Protected with a pressure sensitive interrupter
- Small size and light weight
- UL E71645
- CSA 219950
- Air conditioning and refrigeration applications
- Power factor correction
- Motors
1 µF to 80 µF
± 10%
330 Vac, 370 Vac and 440 Vac
–40 ºC to +70 ºC
50 Hz and 60 Hz
0.1% max @ 60 Hz
RoHS Compliant
Click here to view hardware
Specifications
Capacitance Range
Capacitance Tolerance
Rated Voltage
Operating Temperature Range with Ripple
Rated Frequency
Dissipation Factor
The service life objective for this series is 60,000 hours of
operating life with a 94% survival rate when operated at
full voltage, 60 Hz, and rated ambient temperature. AC ca-
pacitors are frequently used at voltages and ambient tem-
peratures other than rated conditions. Service life may be
estimated under specific conditions of temperature and
voltage by using the curves as shown below and to the
right.
Service Life Objective
Capacitance vs. Temperature
The Capacitance vs. Temperature curve may be used to determine
the capacitance change as a function of temperature. Capacitance
varies by no more than ±3% over the operating temperature range.
Capacitance vs. Temperature
Capacitance vs. Temperature
Life vs. Temperature
10000
% of Rated Life
1000
100
10
25
50
75
100
125
–20
0
20
40
60
80
Life vs. Voltage
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
Type MPF, AC Motor Run Capacitors
Oval Case Style
Oval and Round, Oil Filled, 70 ºC, Metallized Polypropylene Capacitors
See Ratings Table for “H” dimension
Oval
Style 32, 37,38
D
B
±.030”
Style
32
37
38
A
1 5/16"
1 29/32"
1 31/32"
B
2 5/32"
2 29/32"
3 21/32"
D
13/16"
13/16"
13/16"
Industry Type
1¼" Flat Oval
1¾" Flat Oval
2.0" Flat Oval
H ±.250”
.5”
A ±.030”
Construction Details
Case Material
Encapsulation
Terminal Material
Aluminum
Enviromentally Safe Dielectric Fluid
Tin Plated Steel
Oval Ratings
Cap.
(µF)
1.0
2.0
3.0
4.0
5.0
6.0
7.5
10.0
12.5
12.5
15.0
17.5
20.0
22.5
25.0
27.5
30.0
30.0
35.0
35.0
40.0
40.0
45.0
45.0
50.0
70.0
Case Aluminum Catalog
H
Code
Part Number
(inches)
370V
32
32
32
32
32
32
32
32
32
37
37
37
37
37
37
38
37
38
37
38
37
38
37
38
38
38
32FD3701A-F
32FD3702A-F
32FD3703A-F
32FD3704A-F
32FD3705A-F
32FD3706A-F
32FD37075A-F
32FD3710A-F
32FD37125A-F
37FD37125A-F
37FD3715A-F
37FD37175A-F
37FD3720A-F
37FD37225A-F
37FD3725A-F
38FD37275A-F
37FD3730A-F
38FD3730A-F
37FD3735A-F
38FD3735A-F
37FD3740A-F
38FD3740A-F
37FD3745A-F
38FD3745A-F
38FD3750A-F
38FD3770A-F
2.19
2.19
2.19
2.19
2.19
2.19
2.19
2.88
2.88
2.38
2.38
2.38
2.38
2.38
2.91
2.91
2.91
2.91
3.91
2.91
3.91
2.91
3.91
2.91
2.91
3.91
1.0
2.0
3.0
4.0
5.0
6.0
7.5
7.5
10.0
10.0
12.5
15.0
17.5
20.0
20.0
25.0
25.0
30.0
35.0
35.0
40.0
40.0
45.0
50.0
55.0
60.0
32
32
32
32
32
32
32
37
32
37
37
37
37
37
38
37
38
38
37
38
37
38
38
38
38
38
Cap.
(µF)
Case
Code
Aluminum Catalog
H
Part Number
(inches)
440V
32FB4401A-F
32FB4402A-F
32FB4403A-F
32FB4404A-F
32FB4405A-F
32FB4406A-F
32FB44075A-F
37FB44075A-F
32FB4410A-F
37FB4410A-F
37FB44125A-F
37FB4415A-F
37FB44175A-F
37FB4420A-F
38FB4420A-F
37FB4425A-F
38FB4425A-F
38FB4430A-F
37FB4435A-F
38FB4435A-F
37FB4440A-F
38FB4440A-F
38FB4445A-F
38FB4450A-F
38FB4455A-F
38FB4460A-F
2.19
2.19
2.19
2.19
2.19
2.19
2.88
2.38
2.88
2.38
2.38
2.38
2.91
2.91
2.91
3.91
3.91
3.91
4.75
3.91
4.75
3.91
3.91
3.91
4.75
4.75
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
Type MPF, AC Motor Run Capacitors
Round Case Style
Oval and Round, Oil Filled, 70 ºC, Metallized Polypropylene Capacitors
See Ratings Table for “H” dimension
Round
A
±.030”
Style
Style 21, 23, 24
A
1¾"
2.0"
2½"
B
1⅞"
2⅛"
2⅝"
D
13/16"
13/16"
13/16"
Industry Type
1¾" Round
2.0" Round
2½" Round
D
B
±.030”
21
23
24
H ±.250”
.5”
Construction Details
Case Material
Encapsulation
Terminal Material
Aluminum
Enviromentally Safe Dielectric Fluid
Tin Plated Steel
Round Ratings
Cap.
(µF)
Case Aluminum Catalog
H
Code
Part Number
(inches)
330 V
3.0
4.0
5.0
6.0
7.0
8.0
10.0
3.0
4.0
5.0
6.0
7.0
8.0
10.0
12.5
15.0
17.5
20.0
25.0
25.0
30.0
30.0
35.0
35.0
40.0
40.0
45.0
45.0
23
23
23
23
23
23
23
21
21
21
21
21
21
21
21
21
21
21
21
23
21
23
21
23
21
23
23
24
23FD3303A-F
23FD3304A-F
23FD3305A-F
23FD3306A-F
23FD3307A-F
23FD3308A-F
23FD3310A-F
370V
21FD3703A-F
21FD3704A-F
21FD3705A-F
21FD3706A-F
21FD3707A-F
21FD3708A-F
21FD3710A-F
21FD37125A-F
21FD3715A-F
21FD37175A-F
21FD3720A-F
21FD3725A-F
23FD3725A-F
21FD3730A-F
23FD3730A-F
21FD3735A-F
23FD3735A-F
21FD3740A-F
23FD3740A-F
23FD3745A-F
24FD3745A-F
2.38
2.38
2.38
2.38
2.38
2.38
2.38
2.38
2.38
2.38
2.38
2.84
2.91
2.84
2.91
3.84
2.91
3.84
2.91
3.84
2.91
15.0
20.0
20.0
22.5
22.5
25.0
25.0
30.0
30.0
35.0
35.0
40.0
40.0
45.0
50.0
55.0
60.0
70.0
21
21
23
21
23
21
23
23
24
23
24
23
24
24
24
24
24
24
2.38
2.38
2.38
2.38
2.38
2.38
2.38
50.0
50.0
55.0
55.0
60.0
60.0
65.0
70.0
80.0
23
24
23
24
23
24
24
24
24
Cap. Case Aluminum Catalog
(µF) Code Part Number
370V
23FD3750A-F
24FD3750A-F
23FD3755A-F
24FD3755A-F
23FD3760A-F
24FD3760A-F
24FD3765A-F
24FD3770A-F
24FD3780A-F
440V
21FB4415A-F
21FB4420A-F
23FB4420A-F
21FB44225A-F
23FB44225A-F
21FB4425A-F
23FB4425A-F
23FB4430A-F
24FB4430A-F
23FB4435A-F
24FB4435A-F
23FB4440A-F
24FB4440A-F
24FB4445A-F
24FB4450A-F
24FB4455A-F
24FB4460A-F
24FB4470A-F
2.38
2.84
2.91
2.84
2.91
3.84
2.91
3.84
2.91
3.84
2.91
3.84
3.91
3.91
3.91
3.91
4.75
4.75
3.84
2.91
3.84
2.91
3.84
2.91
3.91
3.91
4.75
H
(inches)
CDE Cornell Dubilier • 1605 E. Rodney French Blvd. • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
Type MPF, AC Motor Run Capacitors
Oval and Round, Oil Filled, 70 ºC, Metallized Polypropylene Capacitors
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.
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