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Home > Products > Capacitors > Film Capacitors > MKP386M518100JT6
Vishay Beyschlag/Draloric/BC Components
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MKP386M518100JT6

In Stock 3452 pcs Reference Price(In US Dollars)
1+
$24.7461
210+
$9.8742
504+
$9.544
1008+
$9.3818
Manufacturer Part Number:
MKP386M518100JT6
Manufacturer / Brand
Vishay Beyschlag/Draloric/BC Components
Part of Description:
CAP FILM 1.8UF 5% 1KVDC SCREW
Datasheets:
MKP386M518100JT6.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 3452 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MKP386M518100JT6
Manufacturer / Brand Vishay Beyschlag/Draloric/BC Components
Stock Quantity 3452 pcs Stock
Category Capacitors > Film Capacitors
Description CAP FILM 1.8UF 5% 1KVDC SCREW
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating - DC 1000V (1kV)
Voltage Rating - AC 500V
Tolerance ±5%
Termination Screw Terminals
Size / Dimension 1.732' L x 0.866' W (44.00mm x 22.00mm)
Series MKP386M
Ratings -
Package / Case Rectangular Box
Package Bulk
Operating Temperature -55°C ~ 105°C
Mounting Type Chassis Mount
Lead Spacing 0.433' (11.00mm)
Height - Seated (Max) 1.496' (38.00mm)
Features Low ESR
ESR (Equivalent Series Resistance) 6.5 mOhms
Dielectric Material Polypropylene (PP), Metallized
Capacitance 1.8 µF
Applications Snubber

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.

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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

Why is the screw terminal design of the MKP386M518100JT6 preferred over traditional radial leaded capacitors in high-current IGBT snubbering applications?
The MKP386M518100JT6 utilizes screw terminals specifically to minimize stray inductance (Ls) and provide a low-resistance path for high-peak current pulses. In high-power IGBT modules, traditional radial leads often introduce excessive parasitic inductance that can lead to voltage overshoots during switching; the chassis-mount screw interface of the MKP386M518100JT6 allows for a direct, robust connection to the busbar, effectively clamping transient voltages and reducing electromagnetic interference (EMI).
How does the 6.5 mOhm ESR of the MKP386M518100JT6 affect thermal management in 20kHz switching power converters?
At a switching frequency of 20kHz, the 6.5 mOhm Equivalent Series Resistance (ESR) of the MKP386M518100JT6 determines the internal self-heating caused by ripple currents. Because the MKP386M518100JT6 is designed with metallized polypropylene film, it maintains low dielectric losses, but engineers must still calculate the total power dissipation ($I^2 \times ESR$) to ensure the internal temperature does not exceed the 105°C operating limit. Excessive self-heating can accelerate the self-healing process of the dielectric, eventually leading to a reduction in capacitance over time.
Can the MKP386M518100JT6 be used as a direct replacement for EPCOS B32656S series capacitors in existing motor drive designs?
While the MKP386M518100JT6 shares similar 1.8 µF capacitance and high-voltage characteristics, a direct replacement depends on the mechanical footprint and terminal spacing. The MKP386M518100JT6 features a 44mm length and 11mm lead spacing for its screw terminals; designers must verify that the busbar mounting holes align with these dimensions. Electrically, the MKP386M518100JT6 provides a 1000VDC rating, so it is compatible if the original component's voltage and peak current requirements fall within these specifications.
What are the performance trade-offs when operating the MKP386M518100JT6 in a continuous AC resonant circuit instead of a pulse snubber application?
Although the MKP386M518100JT6 is optimized for snubber duty, using it in a continuous AC resonant circuit requires strictly adhering to its 500VAC rating. In continuous AC operation, the polypropylene dielectric in the MKP386M518100JT6 is subject to constant polarization reversals, which generates more heat than intermittent pulse applications. Engineers must ensure that the combined ambient temperature and the temperature rise from AC losses do not push the MKP386M518100JT6 beyond its thermal derating curve to avoid premature dielectric breakdown.
How does the metallized polypropylene construction of the MKP386M518100JT6 handle transient overvoltage events compared to foil-based capacitors?
The MKP386M518100JT6 utilizes metallized film, which provides "self-healing" properties. If a localized dielectric breakdown occurs due to a transient overvoltage, the thin metal layer around the fault evaporates, isolating the short and allowing the MKP386M518100JT6 to remain functional with a negligible loss of capacitance. Foil-based capacitors do not possess this self-healing mechanism and are more prone to catastrophic short-circuit failure under similar overvoltage conditions.
What mechanical considerations are necessary when mounting the MKP386M518100JT6 in high-vibration industrial environments?
For applications involving significant vibration, such as heavy-duty industrial drives, the MKP386M518100JT6 should be securely fixed to the chassis using its rectangular box housing as a secondary support. While the screw terminals provide electrical connectivity, relying solely on them for mechanical stability can lead to fatigue at the terminal-to-internal-busbar interface. Utilizing the chassis-mount capability of the MKP386M518100JT6 ensures that mechanical resonance does not compromise the electrical integrity of the snubber circuit.
In a DC-link application, would the 1.8 µF MKP386M518100JT6 provide sufficient decoupling for a high-frequency SiC MOSFET bridge?
The MKP386M518100JT6 is generally too small to serve as the primary bulk DC-link capacitance, but it is highly effective as a local high-frequency bypass capacitor. Because SiC MOSFETs switch significantly faster than Si IGBTs, the low ESR and low inductance of the MKP386M518100JT6 help suppress high-frequency ringing that larger electrolytic or standard film capacitors cannot filter. Placing the MKP386M518100JT6 as close as possible to the MOSFET power pins reduces the commutation loop area.
How does the capacitance stability of the MKP386M518100JT6 behave across its -55°C to 105°C operating temperature range?
The MKP386M518100JT6 exhibits a negative temperature coefficient of capacitance, typical of polypropylene dielectrics, usually around -200 ppm/°C. In precision timing or resonant applications, designers must account for this slight decrease in capacitance as the MKP386M518100JT6 warms up. However, for its primary role as a snubber, this minor shift does not significantly impact the transient clamping performance of the MKP386M518100JT6.

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CAP FILM 1.8UF 5% 1KVDC SCREW

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