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1808JA250560JKRU2X

In Stock 62810 pcs Reference Price(In US Dollars)
12000+
$0.3489
Manufacturer Part Number:
1808JA250560JKRU2X
Manufacturer / Brand
Knowles Syfer
Part of Description:
CAP CER AUTOMOTIVE
Datasheets:
1808JA250560JKRU2X.pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 62810 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number 1808JA250560JKRU2X
Manufacturer / Brand Knowles Syfer
Stock Quantity 62810 pcs Stock
Category Capacitors > Ceramic Capacitors
Description CAP CER AUTOMOTIVE
Lead Free Status / RoHS Status: RoHS Compliant
Series *
Package Tape & Reel (TR)
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

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

Does the 1808JA250560JKRU2X meet international creepage and clearance requirements for 250VAC isolation in space-constrained IoT power supplies?
The 1808JA250560JKRU2X utilizes an 1808 (4520 metric) surface-mount footprint, which provides a significantly longer physical path for creepage compared to smaller 0805 or 1206 packages. This specific geometry allows the 1808JA250560JKRU2X to satisfy safety standards for primary-to-secondary isolation or line-to-ground filtering in compact AC-DC converters where PCB real estate is limited but high-voltage safety margins are mandatory.
Can the Knowles Syfer 1808JA250560JKRU2X be effectively used as a Y2 safety capacitor in automotive On-Board Charger (OBC) EMI filtering?
Yes, the 1808JA250560JKRU2X is AEC-Q200: qualified and features DC Annex H and Humidity 3B Annex I ratings, making it suitable for automotive Y2 safety applications. The C0G dielectric in the 1808JA250560JKRU2X ensures that the 56 pF capacitance remains stable even under high-voltage AC stress and fluctuating thermal conditions within an engine bay or charging system, preventing the drift of EMI filter resonance frequencies.
What are the technical trade-offs when migrating from a through-hole safety capacitor to the SMD 1808JA250560JKRU2X in high-vibration industrial environments?
Replacing leaded components with the 1808JA250560JKRU2X reduces parasitic inductance, which enhances high-frequency noise suppression above 100MHz. However, because the 1808JA250560JKRU2X is a relatively large ceramic chip, designers must account for PCB flexure; implementing a soft termination or placing the 1808JA250560JKRU2X parallel to the board's long axis can mitigate the risk of mechanical cracking under heavy industrial vibration.
Why is the C0G/NP0 temperature coefficient in the 1808JA250560JKRU2X preferred over X7R alternatives for precision high-voltage sensing?
The 1808JA250560JKRU2X uses C0G (NP0) material, which offers a near-zero voltage coefficient of capacitance (VCC) and a flat temperature response of 0 ±30 ppm/°C. Unlike X7R capacitors that lose significant capacitance when biased at 250VAC, the 1808JA250560JKRU2X maintains its 56 pF value across the entire operating range, ensuring accurate voltage division and timing in safety-critical monitoring circuits.
How does the Humidity 3B Annex I rating of the 1808JA250560JKRU2X impact the design life of outdoor solar inverter electronics?
The Humidity 3B Annex I qualification indicates that the 1808JA250560JKRU2X has passed accelerated life testing at 85% relative humidity and 85°C under high-voltage bias. This ensures the 1808JA250560JKRU2X is resistant to electrochemical migration and insulation resistance failure, which are common failure modes for standard MLCCs operating in non-hermetic outdoor enclosures or high-condensation environments.
Is the 1808JA250560JKRU2X suitable for high-speed transient suppression in bridge rectifier protection circuits?
While the 1808JA250560JKRU2X is rated for 250VAC, its high-voltage internal construction and Safety/High Voltage series designation allow it to handle rapid dV/dt transients effectively. The low equivalent series resistance (ESR) of the 56 pF 1808JA250560JKRU2X allows it to shunt high-frequency spikes to ground before they damage sensitive downstream silicon components in the power stage.
What considerations should be taken for the solder reflow profile when integrating the 1808JA250560JKRU2X into a heavy-copper PCB design?
Due to the 1808JA250560JKRU2X being a high-voltage ceramic component, thermal shock must be avoided. When using the 1808JA250560JKRU2X on boards with high thermal mass, such as those with thick copper planes for power handling, a controlled preheat phase and a gradual cooling rate are necessary to prevent internal micro-cracking that could compromise the 250VAC safety insulation.

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