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Home > Products > Capacitors > Film Capacitors > MKP385418085JKI2B0
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MKP385418085JKI2B0

In Stock 23540 pcs Reference Price(In US Dollars)
1+
$2.2726
200+
$0.8802
500+
$0.8495
1000+
$0.8334
Manufacturer Part Number:
MKP385418085JKI2B0
Manufacturer / Brand
Vishay Beyschlag/Draloric/BC Components
Part of Description:
CAP FILM 0.18UF 5% 850VDC RADIAL
Datasheets:
MKP385418085JKI2B0(1).pdfMKP385418085JKI2B0(2).pdfMKP385418085JKI2B0(3).pdfMKP385418085JKI2B0(4).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 23540 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MKP385418085JKI2B0
Manufacturer / Brand Vishay Beyschlag/Draloric/BC Components
Stock Quantity 23540 pcs Stock
Category Capacitors > Film Capacitors
Description CAP FILM 0.18UF 5% 850VDC RADIAL
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating - DC 850V
Voltage Rating - AC 300V
Tolerance ±5%
Termination PC Pins
Size / Dimension 1.240' L x 0.354' W (31.50mm x 9.00mm)
Series MKP385
Ratings -
Package / Case Radial
Package Bulk
Operating Temperature -55°C ~ 110°C
Mounting Type Through Hole
Lead Spacing 1.083' (27.50mm)
Height - Seated (Max) 0.748' (19.00mm)
Features -
Dielectric Material Polypropylene (PP), Metallized
Capacitance 0.18 µF
Applications DC Link, DC Filtering; High Frequency, Switching; High Pulse, DV/DT

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 name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
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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

What are the key design considerations when integrating the MKP385418085JKI2B0 into a DC link or DC filtering circuit regarding its voltage ratings and lead spacing?
The MKP385418085JKI2B0 is rated for 300V AC and 850V DC with a lead spacing of 27.50mm. In DC link applications, engineers typically derate the DC voltage based on expected ripple, temperature rise, and lifetime requirements, while ensuring the physical layout accommodates the 31.50mm x 9.00mm x 19.00mm (max seated height) radial package and PC pin termination for through-hole mounting.
How does the dV/dt capability of the MKP385418085JKI2B0 affect its suitability for high pulse and high frequency switching applications?
For the MKP385 series with 27.5mm pitch, the rated pulse slope (dU/dt)R is approximately 80 V/µs. In high pulse, DV/DT scenarios such as snubbers or SMPS, the actual circuit dV/dt must remain within this limit to prevent localized heating or degradation of the metallized polypropylene film; exceeding it over extended operation can reduce effective lifetime even if peak voltages stay below 850V DC.
Can the MKP385418085JKI2B0 be used in motor control circuits or electronic ballasts, and what boundary conditions apply?
The MKP385418085JKI2B0 is commonly applied in motor control and high frequency switching where its low-loss polypropylene dielectric supports steep pulses. Suitability depends on keeping the operating temperature between -55°C and 110°C, ensuring the AC component does not continuously exceed the 300V rating, and verifying that the 0.18 µF capacitance value meets the required energy storage or filtering needs without pushing the component beyond its thermal limits.
What power supply and I/O voltage constraints should be evaluated when selecting the MKP385418085JKI2B0 for a new design?
Designers should confirm that the maximum DC bus voltage, including transients, stays safely below 850V, while any superimposed AC voltage remains within the 300V rating. The radial through-hole mounting and 1.083" lead spacing require adequate PCB clearance and consideration of soldering thermal profiles to avoid stress on the potted construction.
When migrating from older Vishay or competitor film capacitors to the MKP385418085JKI2B0, what practical differences in dimensions and performance need attention?
The MKP385418085JKI2B0 features a 31.50mm length, 9.00mm width, and 27.50mm lead spacing, which may require PCB layout adjustments compared to parts with smaller pitch or different case sizes. Its ±5% tolerance and metallized PP construction provide consistent behavior in high frequency applications, but engineers should re-verify ripple current handling and self-resonance characteristics in the target circuit.
Is the MKP385418085JKI2B0 a suitable replacement for similar 0.18µF 850VDC film capacitors from other manufacturers in industrial equipment?
As a direct radial metallized polypropylene capacitor in the MKP385 series, it offers RoHS3 compliance and MSL 1 rating. Replacement involves checking mechanical fit (height max 19.00mm), confirming equivalent dV/dt and temperature ratings, and validating long-term stability under the application's specific pulse and temperature profiles, as slight variations in internal series resistance or construction can influence high-frequency losses.
What operating condition factors influence the long-term reliability of the MKP385418085JKI2B0 in industrial environments with elevated ambient temperatures?
The MKP385418085JKI2B0 is rated for -55°C to 110°C, with performance behavior shifting as temperatures approach the upper limit. In continuous industrial use, factors such as ripple current, voltage derating, and thermal cycling determine capacitance stability and insulation resistance over time; the polypropylene dielectric maintains low losses, but prolonged exposure near 110°C accelerates aging mechanisms typical of metallized film capacitors.
How should configuration and mounting be approached when using multiple MKP385418085JKI2B0 units in parallel for increased capacitance in DC filtering?
Parallel combinations of the MKP385418085JKI2B0 increase total capacitance while distributing current; however, equal lead lengths, symmetric layout, and attention to the 27.50mm spacing help minimize parasitic inductance. Engineers typically calculate the combined dV/dt stress and ensure the assembly stays within the individual unit's 850V DC and temperature ratings to maintain predictable filtering behavior.
What are the considerations for using the MKP385418085JKI2B0 in applications with high humidity or condensation risks over extended periods?
The MKP385418085JKI2B0 has an MSL 1 (unlimited) rating and potted radial construction, providing baseline moisture resistance. In long-term industrial scenarios, engineers often evaluate additional conformal coating or enclosure protection when frequent temperature cycling could lead to condensation, as prolonged humidity exposure can gradually affect metallization integrity and leakage characteristics despite the polypropylene film's inherent properties.
When evaluating alternatives to the MKP385418085JKI2B0 for high pulse DV/DT applications, what trade-offs arise with parts having different lead spacing or voltage ratings?
Parts with smaller lead spacing may offer higher dV/dt ratings but different package dimensions, while higher voltage-rated equivalents could have larger cases or altered loss factors. For the MKP385418085JKI2B0, its 27.50mm pitch and 850V DC rating balance size and performance for many DC link and switching designs; any migration requires re-checking pulse handling, ESR contribution at the operating frequency, and mechanical compatibility.

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MKP385418085JKI2B0

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CAP FILM 0.18UF 5% 850VDC RADIAL

In Stock: 23540

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