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Home > Products > Capacitors > Film Capacitors > ECQ-E6274KFW
Panasonic Electronic Components
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ECQ-E6274KFW

In Stock 53919 pcs Reference Price(In US Dollars)
1000+
$0.3618
Manufacturer Part Number:
ECQ-E6274KFW
Manufacturer / Brand
Panasonic Electronic Components
Part of Description:
CAP FILM 0.27UF 10% 630VDC RAD
Datasheets:
ECQ-E6274KFW.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 53919 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number ECQ-E6274KFW
Manufacturer / Brand Panasonic Electronic Components
Stock Quantity 53919 pcs Stock
Category Capacitors > Film Capacitors
Description CAP FILM 0.27UF 10% 630VDC RAD
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating - DC 630V
Voltage Rating - AC -
Tolerance ±10%
Termination PC Pins
Size / Dimension 1.024" L x 0.276" W (26.00mm x 7.00mm)
Series ECQ-E(F)
Ratings -
Package / Case Radial
Package Bulk
Operating Temperature -40°C ~ 105°C
Mounting Type Through Hole
Lead Spacing 0.591" (15.00mm)
Height - Seated (Max) 0.846" (21.50mm)
Features -
Dielectric Material Polyester, Metallized
Capacitance 0.27 µF
Base Product Number ECQ-E6274
Applications General Purpose

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

What are the AC voltage limitations for the ECQ-E6274KFW when utilized in power supply filtering or across-the-line applications?
While the ECQ-E6274KFW is rated for 630VDC, its polyester film dielectric exhibits higher internal heating as frequency increases. In 50/60Hz AC applications, the permissible RMS voltage is significantly lower than the DC rating to prevent thermal runaway. Because the ECQ-E6274KFW is not safety-rated as an X or Y capacitor, it should not be used for direct mains filtering where transient surges could exceed its dielectric strength.
How does the dV/dt rating of the ECQ-E6274KFW influence its performance in high-speed pulse or snubber circuits?
The ECQ-E6274KFW is constructed with metallized polyester film, which typically offers a lower dV/dt capability than polypropylene alternatives. In high-frequency switching or snubber applications, exceeding the specified voltage rate of rise can cause localized overheating at the lead-to-film contact point. For designs requiring rapid discharge cycles, the ECQ-E6274KFW should be evaluated to ensure the peak pulse current does not degrade the metallized layer over the product's operational lifespan.
When replacing the ECQ-E6274KFW with a polypropylene (PP) film capacitor, what mechanical and electrical trade-offs must be addressed?
Substituting the ECQ-E6274KFW with a PP capacitor, such as the Panasonic ECW-F series or a WIMA MKP series, usually requires a larger PCB footprint for the same 0.27uF 630V rating. While the PP alternative provides lower dissipation factors and better high-frequency stability, the ECQ-E6274KFW is specifically chosen for space-constrained layouts where the higher dielectric constant of polyester allows for a more compact 26.00mm length and 15.00mm lead spacing.
Can the ECQ-E6274KFW be operated at its maximum 105°C temperature limit without a reduction in the applied DC voltage?
The 630VDC rating for the ECQ-E6274KFW is generally valid up to 85°C. When the operating environment approaches the 105°C maximum, a linear voltage derating is required to maintain dielectric integrity. Operating the ECQ-E6274KFW at elevated temperatures without appropriate voltage reduction increases the likelihood of dielectric breakdown and reduces the effectiveness of the metallized layer's self-healing properties.
What are the implications of using the ECQ-E6274KFW in high-impedance timing or audio signal paths compared to other film dielectrics?
In sensitive signal paths, the ECQ-E6274KFW may exhibit higher dielectric absorption and a slight increase in dissipation factor relative to polypropylene capacitors. For general-purpose DC blocking or bypass applications, the ECQ-E6274KFW offers a reliable and cost-effective solution, but for precision timing or high-fidelity audio, the specific phase shift and non-linearities associated with its polyester construction should be modeled against the system's performance requirements.
How does the 15.00mm lead spacing and physical volume of the ECQ-E6274KFW affect its suitability for high-vibration industrial environments?
The ECQ-E6274KFW has a seated height of 21.50mm, which creates a relatively high center of gravity when mounted on a PCB. In industrial applications subject to mechanical shock or vibration, the ECQ-E6274KFW may require additional mechanical support, such as RTV silicone or adhesive, to prevent fatigue on the PC pin terminations and ensure long-term solder joint reliability.
Under what conditions might the self-healing mechanism of the ECQ-E6274KFW fail to prevent a permanent short circuit?
The ECQ-E6274KFW is designed to self-heal by vaporizing the metallization around a dielectric puncture. However, if the ECQ-E6274KFW is subjected to an overvoltage event with very low source impedance, the energy delivered to the fault site can exceed the self-healing capacity. This results in carbonization rather than isolation, potentially leading to a permanent short or thermal damage to the surrounding PCB area.
Is the ECQ-E6274KFW a suitable replacement for older oil-filled or paper capacitors in vintage electronics restoration?
The ECQ-E6274KFW is an excellent functional replacement for 0.27uF paper or oil-filled capacitors due to its superior moisture resistance and stable metallized polyester dielectric. When integrating the ECQ-E6274KFW into older point-to-point wired chassis, the 15.00mm radial lead configuration may require lead extensions or specific insulation sleeving to match the original axial mounting points while maintaining the 630VDC isolation requirements.

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ECQ-E6274KFW

ECQ-E6274KFW

Panasonic Electronic Components

CAP FILM 0.27UF 10% 630VDC RAD

In Stock: 53919

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