718P28251500MA1 datasheet, PDF

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718P28251500MA1: DescriptionFilm Capacitor, Polypropylene, 5000V, 5% +Tol, 5% -Tol, 0.0028uF, Through Hole Mount, RADIAL LEADED; CategoryPassive components capacitor; File Size191KB，9 Pages; ManufacturerCDE [ CORNELL DUBILIER ELECTRONICS ]

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718P28251500MA1 Overview

Film Capacitor, Polypropylene, 5000V, 5% +Tol, 5% -Tol, 0.0028uF, Through Hole Mount, RADIAL LEADED

718P28251500MA1 Parametric

Parameter Name	Attribute value
package instruction	,
Reach Compliance Code	unknown
ECCN code	EAR99
capacitance	0.0028 µF
Capacitor type	FILM CAPACITOR
dielectric materials	POLYPROPYLENE
JESD-609 code	e3
Installation features	THROUGH HOLE MOUNT
negative tolerance	5%
Number of terminals	2
Maximum operating temperature	105 °C
Minimum operating temperature	-55 °C
Package shape	RECTANGULAR PACKAGE
positive tolerance	5%
Rated (AC) voltage (URac)	1500 V
Rated (DC) voltage (URdc)	5000 V
surface mount	NO
Terminal surface	TIN
Terminal shape	WIRE

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Type 718P/719P, Orange Drop®, High Voltage Polypropylene Film/Foil

Type 718P/719P Orange Drop

Radial Lead

High AC Voltage

Polypropylene

Film/Foil Capacitors

Specifications

Capacitance Range:

560 pF to 0.012

μF

Capacitance Tolerance:

718P:

±1%

±10%

719P:

±3%

±10%

Voltage Rating:

1500 VAC/5000 VDC

Operating Temperature

Units may be operated at full

rated voltage from -55°C to

+105°C. Please contact SBE

application engineering to

discuss thermal management

in your application.

Dissipation Factor:

See ratings table.

Pulse Rise Time, dV/dt:

See ratings table.

Insulation Resistance:

At +25°C: 400,000 MΩ minimum

At +85°C: 20,000 MΩ minimum

At +105°C: 2,000 MΩ minimum

Corona Inception Voltage (typical):

1625 – 1650 Volts RMS

Encapsulation:

Conformal coating of flame retardant

Orange epoxy (meets UL94V-0

specifications).

Lead Wire (d):

Tinned Copper. #20 AWG, 0.032 (0.8)

diameter or #18 AWG, 0.040 (1.0) diameter.

See ratings table for specific wire size.

Dielectric/Construction:

Polypropylene film with extended foil;

utilizing a floating common of metallized

polypropylene, which provides self-healing

characteristics. This series-section, hybrid

design is non-inductively wound.

In addition to the information provided here CDE also offers complete design and manufacturing

of specific capacitance values, custom form factors, special lead terminations, etc.

Dimensions are in inches, millimeters are in parenthesis.

CDE Cornell Dubilier

•

1605 E. Rodney French Blvd.

•

New Bedford, MA 02744

•

Phone: (508)996-8561

•

Fax: (508)996-3830

Type 718P/719P, Orange Drop®, High Voltage Polypropylene Film/Foil

Application Notes & Considerations

Corona:

Corona is a small but locally intense electrical discharge that inje cts charge into the insulating film

adjacent to edges of foil/metallization or a location where air is trapped between foil/metallization and

the film. The discharge is caused by a voltage gradie nt large enough to ionize molecules in either the

film or small air pockets. Each discharge does some small but cumulative damage to the film. Corona

is a very important consideration for AC and/or pulse applications where the cumlative damage can

rapidly accrue and cause dielectric failure. For a plain film & foil part this will result in a short circuit.

However, for a capacitor employing metallized film the “clearing” around th e dielectric failure site

results in progressive capacitance loss. The 718P/719P series utilizes a hybrid film/foil design

approach, incorporating the use of extended foil for direct connection of the lead wires and a floating

metallized common.

Corona Inception Voltage (CIV) is the peak-to-peak voltage at w hich corona discharge begins; it is

also commonly referred to as Corona Start Voltage (CSV). It is traditionally expressed as the RMS

value of a sin e wave with the above peak-to-peak val ue. It is not practical to try and list all the facts

and issues associated with corona, therefore we highly encourage y ou to contact us to discuss your

application and the importance of carefully considering the effects of corona.

dV/dt (Pulse Rise Time)

Pulse Rise Time, commonly referred to as dV/dt, is the maximum guaranteed repetitive rate of voltage

change

[slew

rate] a capacitor can withstand without dam age during the lifetime of an application,

expressed in Volts/μsec or KV/μsec. dV/dt also expresses current pulse capability without requiring a

nearly impossible pulse current measurement. Pulse current is only an issue for a pure metallized

capacitor where pulse currents above the rated value can destroy the connection to the metallization.

With leads welded directly to extended foil, film /foil capacitor dV/dt is only limited by corona

inception

[AC

voltage rating] and application circuit inductance. CDE’s dV/dt ratings are provided to

assure capacitors are NEVER operated in corona to assure highest possible reliability in pulse

applications.

As mentioned above we strongly encourage you to contact us with your questions and/or specific

requirements.

CDE’s Design Philosophy:

The CDE approach is to design and manufacture capacitors to outlast the life of the product they are

installed in. Our units are designed and rated to operate continuously at the maximum limits stated in

our specifications. There are times when an application will push these limits. Our expertise lies in

understanding the limits of film capacitors and we welcome the opportunity to assist you in

understanding these limits also!

CDE Cornell Dubilier

•

1605 E. Rodney French Blvd.

•

New Bedford, MA 02744

•

Phone: (508)996-8561

•

Fax: (508)996-3830

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