Type 953B, Metallized Polypropylene Film Capacitors
AC Rated, Radial Leaded Box, UL 810 Fail Safe, Rated 10,000 AFC
Type 953B radial leaded metallized polypropyene capacitors
are designed for UPS systems and other AC output filtering
applications. With an integrated fused metallization pattern,
this product features UL 810 recognition for fail-safe operation
at temperatures up to 85 ºC.
Highlights
Y
– Fuse protection
– UL 810 recognized
– Low dissipation factor
– Self healing
AR
Specifications
Capacitance Range
2.5 µF to 50 µF
Capacitance Tolerance
±10 % (±5% optional)
Rated Voltage
160 Vac, 250 Vac, 275 Vac
Operating Temperature Range
–40 ºC to 85 ºC
IEC Climatic Category
40/85/56 (test conditions 40 ºC, 93% RH, rated voltage, 1000 hours)
Sevice Life Objective
10,000 h at rated voltage and 85 ºC
Protection
IN
UL 810 file number E71645
RoHS Compliant
Dimensions
IM
Construction Details
EL
H ±1
Case Material
Plastic UL 94V-0
Resin Material
Dry Resin UL 94V-0
Terminal Material
Tin Plated Copper
+0
6-2
1.20
p ±0.4
p1 ±0.4
PR
L ±1
W±1
p1
p
CDE Cornell Dubilier • 1605 East Rodney French Blvd • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
Type 953B, Metallized Polypropylene Film Capacitors
AC Rated, Radial Leaded Box, UL 810 Fail Safe, Rated 10,000 AFC
Part Numbering System
953B
X
W
2P5
K
SF
-F
Series
Voltage Code
Cap Decimal
Cap Rating in µF
2P5 = 2.5 µF
8 = 8 µF
25 = 25 µF
Tolerance
K = ±10%
J = ±5%
Metallization
Type
RoHs Compliant
I = 160 Vdc
Q = 250 Vdc
X = 275 Vdc
P = 0.
W = No Decimal
SF = Segmented
Fused
W
H
L
p
p1
A
20
40
41.5
37.5
10.2
B
28
37
41.5
C
24
44
41.5
D
30
45
41.5
E
30
45
57.5
F
35
50
57.5
Cap
1 kHz
(µF)
Typ.
ESL
(nH)
Ipeak
(A)
IM
Part Number
Typ.
ESR
10 kHz
(mΩ)
1.2
37.5
10.2
1.2
37.5
10.2
1.2
37.5
20.3
1.2
52.5
20.3
1.2
52.5
20.3
1.2
IN
Ratings
d
AR
Case Code
Y
Point
Irms
dV/dt
(V/µs)
Rth
(°C/W)
10 kHz 85°C
(A)
Case
Code
29
16
8.0
A
160 VAC
953BIW10KSF-F
953BIW16KSF-F
10
9
30
285
16
7
30
475
30
14
9.3
B
17.5
7
30
570
33
13
9.6
C
953BIW25KSF-F
25
6
30
760
30
12
10.4
D
953BIW38KSF-F
38
7
38
760
20
9
11.3
E
953BIW50KSF-F
50
6
38
1045
21
8
12.2
F
42
16
7.1
A
EL
953BIW17P5KSF-F
953BQW4P5KSF-F
4.5
12
250 VAC
30
190
7
9
30
285
41
14
8.3
B
7.5
9
30
380
51
13
8.7
C
953BQW10KSF-F
10
8
30
475
48
12
9.0
D
953BQW16P5KSF-F
16.5
8
38
475
29
9
10.3
E
953BQW22KSF-F
22
7
38
665
30
8
11.3
F
PR
953BQW7KSF-F
953BQW7P5KSF-F
275 VAC
953BXW2P5KSF-F
2.5
14
30
190
76
16
6.4
A
953BXW3P5KSF-F
3.5
11
30
190
54
14
7.4
B
953BXW4KSF-F
4
11
30
285
71
13
7.9
C
953BXW6KSF-F
6
8
30
380
63
12
9.0
D
953BXW9KSF-F
9
10
38
380
42
9
9.5
E
953BXW12KSF-F
12
8
38
475
40
8
10.5
F
CDE Cornell Dubilier • 1605 East Rodney French Blvd • New Bedford, MA 02744 • Phone: (508)996-8561 • Fax: (508)996-3830
PR
EL
IM
IN
AR
Y
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 contained 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 guarantee, 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 representation 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 indicated in such warnings, cautions and notes, or that other safety measures may not be required.
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