Choose your country or region.

EnglishFrançaispolskiSlovenija한국의DeutschSvenskaSlovenskáMagyarországItaliaहिंदीрусскийTiếng ViệtSuomiespañolKongeriketPortuguêsภาษาไทยБългарски езикromânescČeštinaGaeilgeעִבְרִיתالعربيةPilipinoDanskMelayuIndonesiaHrvatskaفارسیNederlandTürk diliΕλλάδαRepublika e ShqipërisëአማርኛAzərbaycanEesti VabariikEuskeraБеларусьíslenskaBosnaAfrikaansIsiXhosaisiZuluCambodiaსაქართველოҚазақшаAyitiHausaКыргыз тилиGalegoCatalàCorsaKurdîLatviešuພາສາລາວlietuviųLëtzebuergeschmalaɡasʲМакедонскиMaoriМонголулсবাংলা ভাষারမြန်မာनेपालीپښتوChicheŵaCрпскиSesothoසිංහලKiswahiliТоҷикӣاردوУкраїнаO'zbekગુજરાતીಕನ್ನಡkannaḍaதமிழ் மொழி繁体中文
Home > Products > Capacitors > Ceramic Capacitors > 1111Y5008P20HQT
Knowles Syfer
1608 1111-(2828-Metric)-1,79-mm-Tan.jpg ImageView larger image
Image may be representation.
See specs for product details.

1111Y5008P20HQT

Manufacturer Part Number:
1111Y5008P20HQT
Manufacturer / Brand
Knowles Syfer
Part of Description:
CAP CER 8.2PF 500V C0G/NP0 1111
Datasheets:
1111Y5008P20HQT(1).pdf1111Y5008P20HQT(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 665379 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

Inquiry Online

Please complete all required fields with your contact information.Click "SUBMIT REQUEST" we will contact you shortly by email. Or Email us: Info@IC-Components.com
Part Number
Manufacturer
Require Quantity
Target Price(USD)
Company Name
Contact Name
E-mail
Phone
Message
Please enter Verify Code and click "Submit"
Part Number 1111Y5008P20HQT
Manufacturer / Brand Knowles Syfer
Stock Quantity 665379 pcs Stock
Category Capacitors > Ceramic Capacitors
Description CAP CER 8.2PF 500V C0G/NP0 1111
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Rated 500V
Tolerance ±0.05pF
Thickness (Max) 0.070' (1.78mm)
Temperature Coefficient C0G, NP0 (1B)
Size / Dimension 0.110' L x 0.110' W (2.79mm x 2.79mm)
Series FlexiCap™
Ratings -
Package / Case 1111 (2828 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount, MLCC
Lead Style -
Lead Spacing -
Height - Seated (Max) -
Features High Q, Low Loss, Soft Termination
Failure Rate -
Capacitance 8.2 pF
Base Product Number 1111Y
Applications RF, Microwave, High Frequency, Boardflex Sensitive

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

How does the FlexiCap termination on the 1111Y5008P20HQT mitigate failure risks in high-vibration RF environments?
The 1111Y5008P20HQT utilizes Knowles Syfer’s proprietary FlexiCap technology, which employs a flexible epoxy polymer termination layer beneath the outer tin finish. This design allows the 1111Y5008P20HQT to absorb significantly more mechanical strain than standard rigid terminations, effectively preventing ceramic cracking caused by PCB board flex, vibration, or rapid thermal cycling in industrial or aerospace applications.
What layout precautions are necessary when operating the 1111Y5008P20HQT at its full 500V rating in compact RF power amplifiers?
While the 1111Y5008P20HQT is rated for 500V DC, engineers must ensure that PCB creepage and clearance distances between the 1111 (2828 Metric) pads are sufficient to prevent surface arcing. In high-power RF designs, it is recommended to keep the area around the 1111Y5008P20HQT free of solder mask or to use specific coating materials to maintain dielectric integrity, especially in environments prone to moisture or dust accumulation.
Does the ±0.05pF tolerance of the 1111Y5008P20HQT significantly improve production yield in automated RF filter tuning?
Yes, the ultra-tight ±0.05pF tolerance of the 1111Y5008P20HQT ensures extreme consistency in the center frequency of RF filters and matching networks. By specifying the 1111Y5008P20HQT, designers can reduce the statistical variance in circuit performance, which often eliminates the need for costly and time-consuming manual post-assembly tuning of high-frequency stages.
At what frequency range should the parasitic inductance of the 1111Y5008P20HQT be modeled for series DC-blocking applications?
Although the 1111Y5008P20HQT is designed for High Q and low loss in the microwave spectrum, its 1111 case size introduces measurable mounting inductance. For applications exceeding 1 GHz, engineers should include the 1111Y5008P20HQT in a full EM simulation to account for the self-resonant frequency (SRF), ensuring the component remains in its capacitive region for the intended signal bandwidth.
How does the C0G dielectric in the 1111Y5008P20HQT affect capacitance drift during high-power continuous transmission?
The 1111Y5008P20HQT utilizes a C0G (NP0) dielectric, which provides a near-zero temperature coefficient of 0 ±30ppm/°C. This ensures that the 8.2pF nominal capacitance of the 1111Y5008P20HQT remains stable even when internal power dissipation from high RF currents causes the component temperature to rise, preventing detuning in power amplifier output stages.
Can the 1111Y5008P20HQT replace a Murata GQM series capacitor in a legacy RF design without changing the footprint?
The 1111Y5008P20HQT uses a standard 1111 (2828 Metric) footprint, making it physically compatible with most Murata GQM or KEMET HiQ capacitors of the same size. However, the 1111Y5008P20HQT offers the additional benefit of FlexiCap soft termination, which may provide superior reliability in applications where the legacy part suffered from mechanical stress-related failures.
What are the application boundaries for using the 1111Y5008P20HQT in high-speed digital decoupling?
While the 1111Y5008P20HQT is an excellent choice for RF and microwave filtering, it is generally over-engineered for standard low-voltage digital decoupling. The 8.2pF value and 500V rating of the 1111Y5008P20HQT are specifically optimized for impedance matching and resonant circuits; using it for bulk decoupling would be inefficient compared to higher-capacitance, lower-voltage X7R components.
How does the High Q characteristic of the 1111Y5008P20HQT impact the efficiency of a portable RF transmitter?
The High Q and low Equivalent Series Resistance (ESR) of the 1111Y5008P20HQT minimize I²R power losses within the capacitor. In a portable transmitter, using the 1111Y5008P20HQT in the antenna matching network reduces energy wasted as heat, thereby extending battery life and improving the overall radiated power efficiency of the device.

Recent Reviews

Leave Comment
Hello, you have not logged in, please log in
User Login

Forgot password?

No account yet? Register now

Tips
Please speak legally
Your email will be hidden
Please complete all required fields ( denoted with* )
Mark
5.0

You May Also Be Interested In:


1111Y5008P20HQT

1111Y5008P20HQT

Knowles Syfer

CAP CER 8.2PF 500V C0G/NP0 1111

In Stock: 665379

SUBMIT RFQ