Choose your country or region.

EnglishFrançaispolskiSlovenija한국의DeutschSvenskaSlovenskáMagyarországItaliaहिंदीрусскийTiếng ViệtSuomiespañolKongeriketPortuguêsภาษาไทยБългарски езикromânescČeštinaGaeilgeעִבְרִיתالعربيةPilipinoDanskMelayuIndonesiaHrvatskaفارسیNederlandTürk diliΕλλάδαRepublika e ShqipërisëአማርኛAzərbaycanEesti VabariikEuskeraБеларусьíslenskaBosnaAfrikaansIsiXhosaisiZuluCambodiaსაქართველოҚазақшаAyitiHausaКыргыз тилиGalegoCatalàCorsaKurdîLatviešuພາສາລາວlietuviųLëtzebuergeschmalaɡasʲМакедонскиMaoriМонголулсবাংলা ভাষারမြန်မာनेपालीپښتوChicheŵaCрпскиSesothoසිංහලKiswahiliТоҷикӣاردوУкраїнаO'zbekગુજરાતીಕನ್ನಡkannaḍaதமிழ் மொழி繁体中文
Home > Products > Capacitors > Tantalum Capacitors > CWR09DK685MM
Image may be representation.
See specs for product details.

CWR09DK685MM

In Stock 3147 pcs Reference Price(In US Dollars)
500+
$11.29
Manufacturer Part Number:
CWR09DK685MM
Manufacturer / Brand
KYOCERA AVX
Part of Description:
CAP TANT
Datasheets:
CWR09DK685MM.pdf
Lead Free Status / RoHS Status:
RoHS non-compliant
Stock Condition:
New original, 3147 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 CWR09DK685MM
Manufacturer / Brand KYOCERA AVX
Stock Quantity 3147 pcs Stock
Category Capacitors > Tantalum Capacitors
Description CAP TANT
Lead Free Status / RoHS Status: RoHS non-compliant
Series *
Package Bulk
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

When integrating the CWR09DK685MM tantalum capacitor into a 5V power rail, what are the specific voltage derating protocols required to ensure long-term circuit reliability?
The CWR09DK685MM features a rated voltage of 6VDC. According to standard engineering practices for solid manganese dioxide (MnO2) tantalum capacitors, a minimum steady-state voltage derating of 50% is typically required. Using the CWR09DK685MM on a 5V rail provides less than 20% margin, which increases the risk of dielectric breakdown during power-on surges or transient spikes. For high-reliability designs, this component is best suited for 3.3V or lower voltage rails where the operating voltage does not exceed 3V.
How does the RoHS non-compliant status of the CWR09DK685MM impact the reflow soldering profile and assembly process in a modern manufacturing line?
Because the CWR09DK685MM is RoHS non-compliant, it typically features a leaded (Sn/Pb) termination finish. When assembling this part, the reflow profile must be calibrated for Sn/Pb eutectic solder, which has a lower melting point (approximately 183°C) compared to lead-free alloys like SAC305 (approximately 217°C). If the CWR09DK685MM is subjected to a standard lead-free reflow profile reaching 260°C, the internal construction may experience excessive thermal stress, potentially compromising the hermetic-style seal or increasing DC leakage current.
Can the CWR09DK685MM be used as a direct substitute for a 6.8uF ceramic MLCC in a high-frequency switching regulator output filter?
Substituting a ceramic capacitor with the CWR09DK685MM requires careful analysis of the Equivalent Series Resistance (ESR). Tantalum capacitors like the CWR09DK685MM have significantly higher ESR than MLCCs. While this higher ESR can actually provide beneficial damping in certain Low-Dropout (LDO) regulator circuits to prevent oscillation, in high-frequency switching applications, it may lead to higher output ripple and localized heating due to I^2R losses. Designers must verify that the loop stability and ripple requirements are met when transitioning to the CWR09DK685MM.
What are the failure mode implications of using the CWR09DK685MM in high-impedance vs. low-impedance circuits?
The CWR09DK685MM utilizes MnO2 technology, which has a known "short-circuit" failure mode. In low-impedance applications, such as direct connection to a high-current battery or power bus, a dielectric failure in the CWR09DK685MM can lead to a thermal runaway event. In high-impedance circuits where the current is limited to 10mA or less, the capacitor can often "self-heal" as the localized heat at the fault site converts the conductive MnO2 into an insulating oxide. For low-impedance paths, adding a series resistor or using a fuse is a standard design-in precaution for the CWR09DK685MM.
Is the CWR09DK685MM suitable for aerospace or defense applications requiring MIL-PRF-55365 qualification?
The CWR09DK685MM is part of the KYOCERA AVX CWR09 series, which is designed to meet MIL-PRF-55365/4 specifications. The "M" reliability level in the part number indicates a failure rate of 1.0% per 1000 hours at rated voltage. This makes the CWR09DK685MM appropriate for mission-critical systems where established reliability (ER) components are mandated. However, engineers must confirm that the specific "M" exponential failure rate meets the MTBF (Mean Time Between Failures) targets of the overall system architecture.
What mechanical footprint considerations must be addressed when replacing a standard EIA 7343-31 (D Case) capacitor with the CWR09DK685MM?
The CWR09DK685MM utilizes a specialized molded case with metal end caps (Style 09), which differs from standard commercial EIA 7343 (D case) or 6032 (C case) footprints. The termination structure of the CWR09DK685MM provides high resistance to shock and vibration but may require a specific PCB land pattern to ensure proper solder fillet formation. Before migrating a design to the CWR09DK685MM, the CAD library must be updated to match the specific dimensions of the AVX "D" case code within the CWR09 series.
How does the Moisture Sensitivity Level (MSL 1) of the CWR09DK685MM influence long-term storage and production handling?
The CWR09DK685MM is rated as MSL 1, meaning it has an unlimited floor life when stored at ≤30°C/85% RH. Unlike some plastic-encapsulated components that require dry-packing and baking to prevent "popcorning" during reflow, the CWR09DK685MM is robust against moisture absorption. This simplifies the logistics for the CWR09DK685MM in small-batch industrial production, as the components do not need to be resealed in moisture barrier bags after the bulk packaging is opened.
When migrating from the CWR09DK685MM to a polymer tantalum alternative, what are the primary trade-offs in terms of environmental limits?
If an engineer considers replacing the CWR09DK685MM with a polymer tantalum capacitor to achieve lower ESR and a safer failure mode, they must account for environmental constraints. While the CWR09DK685MM is highly stable over a wide temperature range and resistant to humidity-induced degradation due to its high-rel construction, polymer equivalents can be more sensitive to high temperature and high humidity (THB) conditions. For applications involving extreme environments, the MnO2-based CWR09DK685MM often remains the preferred choice due to its proven track record in harsh conditions.

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:


CWR09DK685MM

KYOCERA AVX

CAP TANT

In Stock: 3147

SUBMIT RFQ