SNMPF052508LD2MSSD datasheet, PDF

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SNMPF052508LD2MSSD: DescriptionFilm Capacitors Snubber MKP 25.0 F 250 VDC 37x54x56 PCM49.5; CategoryPassive components; File Size1MB，13 Pages; ManufacturerWIMA; Websitehttps://www.wima.de/

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Film Capacitors Snubber MKP 25.0 F 250 VDC 37x54x56 PCM49.5

SNMPF052508LD2MSSD Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	WIMA
Product Category	Film Capacitors
Termination Style	Radial
Product	Snubber Film Capacitors
Dielectric	Polypropylene (PP)
Capacitance	25 uF
Voltage Rating AC	180 VAC
Voltage Rating DC	250 VDC
Tolerance	20 %
Lead Spacing	48.5 mm
Lead Style	Straight
Minimum Operating Temperature	- 55 C
Maximum Operating Temperature	+ 100 C
Length	56 mm
Width	37 mm
Height	54 mm
Type	Double Sided Metallized Plastic Film Snubber Capacitor
Number of Pins	2
Lead Diameter	1 mm
Unit Weight	4.268149 oz

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WIMA Snubber MKP

Snubber MKP Capacitors for Pulse Applications with

Double-Sided Metallized Electrodes, Schoopage Contacts

and Internal Series Connection

Special Features

Pulse duty construction

Self-healing

Particularly reliable contact-

configurations: 4-pin versions and

screwable plate connections

Internal series connection from

400 VAC

Very low dissipation factor

Negative capacitance change

versus temperature

According to RoHS 2011/65/EC

Electrical Data

Capacitance range:

0.047

F to 25

Rated voltages:

250 VDC, 400 VDC, 630 VDC, 1000 VDC,

1600 VDC, 2000 VDC, 3000 VDC

Capacitance tolerances:

±20%, ±10%, ±5% (other tolerances are

available subject to special enquiry)

Operating temperature range:

–55) C to +100) C

Insulation resistance

at +20+ C:

0.33

mF:



1 x 10

M¸

(mean value: 5 x 10

M¸)



0.33

mF:



30 000 sec (M¸ x

mF)

(mean value: 100 000 sec)

Measuring voltage: 100 V/1 min.

Test voltage:

2 sec



41.5

at f

1 kHz

10 kHz

100 kHz

Capacitance

0.047

0.33

1.0

2.5

7.0

...

0.22

0.68

2.2

6.8

2000 VDC

1.6 U

1.4 U

1.2 U

3000 VDC

1.2 U

0.1

3 x 10

-4

4 x 10

-4

15 x 10

-4

Climatic test category:

55/100/56 in accordance with IEC

Voltage derating:

A voltage derating factor of 1.35 % per K

must be applied from +85+ C for DC

voltages and from +75+ C for AC

voltages

Reliability:

Operational life



300 000 hours

Failure rate



1 fit (0.5 x U

and 40) C)

Specific dissipation:

Box size*

Specific dissipation in Watts per K

W x H x L in mm above the ambient temperature

19 x 31 x 56

23 x 34 x 56

27 x 37.5 x 56

33 x 48 x 56

37 x 54 x 56

* other box sizes see page 10.

Typical Applications

For high pulse and high frequency

applications requiring extremely

reliable contacts e.g.

IGBT-applications

0.068

0.079

0.092

0.122

0.142

Construction

Dielectric:

Polypropylene (PP) film

Capacitor electrodes:

Double-sided metallized plastic film

Internal construction:

Snubber MKP: 180 VAC, 250 VAC

Plastic film

Electrode carrier

plastic film metallized

on both sides

Metal contact layer

(schoopage)

Terminating plate

Dissipation factors

at + 20) C: tan

0.1

< C

1.0

3 x 10

-4

6 x 10

-4

–

C > 1.0

3 x 10

-4

–

Maximum pulse rise time:

max. pulse rise time V/msec at T

< 40) C

250 VDC 400 VDC 630 VDC 1000 VDC 1600 VDC 2000 VDC 3000 VDC

500

300

200

500

400

200

100

900

700

400

150

–

1400

900

400

300

–

1400

900

500

400

–

1400

900

500

–

1400

900

500

–

Snubber MKP: 400 VAC to 700 VAC

Plastic film

Electrode carrier

plastic film metallized

on both sides

Plastic film metallized

on one side

Metal contact layer

(schoopage)

Terminating plate

for pulses equal to the rated voltage

Mounting Recommendation

Excessive mechanical strain, e.g. pressure

or shock onto the capacitor body, is to be

avoided during mounting and usage of

the capacitors. When fixing the plates the

screw torque is to be limited to max. 5 Nm.

For further details and graphs please

refer to Technical Information.

Packing

Packing units at the end of the catalogue.

Encapsulation:

Solvent-resistant, flame-retardant plastic

case with epoxy resin seal, UL 94 V-0

Terminations:

Tinned wire or plates.

Marking:

Colour: Red. Marking: Black.

Epoxy resin seal: Red

Packing quantities may vary depending on

the plate version.

11.12

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