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Home > Products > Capacitors > Ceramic Capacitors > 1210Y5000393MXT
Knowles Syfer
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1210Y5000393MXT

In Stock 217639 pcs Reference Price(In US Dollars)
1+
$0.2869
200+
$0.1111
500+
$0.1072
1000+
$0.1052
Manufacturer Part Number:
1210Y5000393MXT
Manufacturer / Brand
Knowles Syfer
Part of Description:
CAP CER 0.039UF 500V X7R 1210
Datasheets:
1210Y5000393MXT(1).pdf1210Y5000393MXT(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 217639 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number 1210Y5000393MXT
Manufacturer / Brand Knowles Syfer
Stock Quantity 217639 pcs Stock
Category Capacitors > Ceramic Capacitors
Description CAP CER 0.039UF 500V X7R 1210
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Rated 500V
Tolerance ±20%
Thickness (Max) 0.079' (2.00mm)
Temperature Coefficient X7R
Size / Dimension 0.126' L x 0.098' W (3.20mm x 2.50mm)
Series FlexiCap™
Ratings -
Package / Case 1210 (3225 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount, MLCC
Lead Style -
Lead Spacing -
Height - Seated (Max) -
Features Soft Termination
Failure Rate -
Capacitance 0.039 µF
Base Product Number 1210Y
Applications 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.



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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

Can I use 1210Y5000393MXT as a DC-link or snubber capacitor in a 500 V power stage, or is it better suited for filtering?
1210Y5000393MXT is a 0.039 µF X7R MLCC rated at 500 V, so it can be used in high-voltage decoupling, EMI suppression, or small snubber networks where the circuit sees limited energy per pulse. For DC-link applications, the available capacitance is relatively small compared with film or electrolytic options, so designers typically use 1210Y5000393MXT for high-frequency bypassing rather than bulk energy storage. When used in snubbers, check pulse current, dv/dt, and expected self-heating to confirm the capacitor remains within a safe operating margin.
What design checks should I do before replacing a through-hole capacitor with 1210Y5000393MXT on a compact PCB?
When replacing a through-hole part with 1210Y5000393MXT, confirm that the layout can support an MLCC footprint with short, low-inductance current paths. Also verify the board’s mechanical stress profile, because MLCCs can crack if the PCB flexes excessively or if the capacitor is placed near mounting holes, connectors, or panel break lines. The FlexiCap™ soft termination in 1210Y5000393MXT helps reduce boardflex-related failure risk, but it does not eliminate the need for a strain-aware layout.
Is 1210Y5000393MXT a good choice for high-frequency decoupling on an inverter, motor drive, or GaN/SiC board?
1210Y5000393MXT can work well for high-frequency decoupling because its X7R dielectric and MLCC construction provide low parasitic inductance compared with leaded capacitors. In fast-switching power stages, the practical limit is often not the nominal capacitance but the combination of effective capacitance under DC bias, ripple current, and placement inductance. If the circuit experiences large current spikes, place 1210Y5000393MXT very close to the switching device or power pin and validate the effective capacitance at the operating DC voltage.
How much capacitance loss should I expect from 1210Y5000393MXT under DC bias, and how does it affect circuit tuning?
Like many X7R MLCCs, 1210Y5000393MXT can show noticeable capacitance reduction as DC bias increases, especially near its rated voltage range. That means the in-circuit capacitance may be lower than the nominal 0.039 µF value, which can shift filter corner frequency, affect hold-up timing, or reduce snubber effectiveness. In design-in work, it is common to characterize the part at the actual applied voltage rather than relying only on the nameplate capacitance.
Can 1210Y5000393MXT be used in industrial environments with vibration and board flex?
1210Y5000393MXT is built with FlexiCap™ soft termination, which helps improve robustness against mechanical stress caused by board flex, vibration, and solder-joint strain. This makes it a practical choice for equipment such as industrial controls, drives, and transportation electronics where PCB bending or thermal cycling can occur. Placement still matters: keeping the capacitor away from flex points and using proper solder-land symmetry helps preserve field reliability.
What are the main trade-offs if I substitute 1210Y5000393MXT for a film capacitor in the same circuit?
Compared with a film capacitor, 1210Y5000393MXT usually offers smaller size, lower ESL, and easier SMT assembly, but it also has more voltage-dependent capacitance variation and less tolerance for large energy pulses. If the circuit depends on stable capacitance over voltage, low dissipation, or strong pulse-handling margin, a film capacitor may behave more predictably. If the goal is compact high-frequency bypassing or EMI suppression, 1210Y5000393MXT is often a more practical fit.
What should I verify when using 1210Y5000393MXT in an AC-coupled or ripple-heavy application?
For ripple-heavy use, confirm both the RMS current and the frequency content of the waveform. 1210Y5000393MXT can be effective in AC-coupling and filter paths, but self-heating from ripple current can become the limiting factor before the rated voltage is reached. It is also useful to check how much the effective capacitance changes under the actual bias and temperature profile so the filter response does not drift outside target values.
Is 1210Y5000393MXT suitable for long-life equipment that operates from -55°C to 125°C?
1210Y5000393MXT is specified for -55°C to 125°C, which aligns well with many industrial and harsh-environment designs. In long-life equipment, the operating temperature range is only part of the picture; voltage derating, thermal cycling, and mechanical stress also influence field performance. If the capacitor is used near hot components, it is useful to account for local board temperature rather than only ambient temperature.
Can I use 1210Y5000393MXT as a replacement for other 1210 500 V X7R capacitors from Murata, TDK, or KEMET?
1210Y5000393MXT can be a functional substitute for other 1210, 500 V, X7R MLCCs, but cross-brand replacement should be checked against footprint, termination style, DC-bias behavior, and mechanical robustness. Even when nominal capacitance and voltage match, the effective capacitance, ESR/ESL, and crack resistance can differ enough to affect filter tuning or surge behavior. A pad-compatibility review and a brief bench test at operating voltage are usually enough to confirm the swap.
Does 1210Y5000393MXT need any special storage, handling, or reflow precautions before assembly?
1210Y5000393MXT is MSL 1, so it does not require moisture-sensitive floor-life control in the same way as some other components. Standard SMT handling still applies: avoid excessive mechanical shock, keep the reel dry and clean, and use a reflow profile compatible with MLCC solderability and PCB assembly rules. If the board is prone to bending during depanelization, reviewing the mechanical process can help preserve the benefits of the soft-termination design.

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1210Y5000393MXT

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Knowles Syfer

CAP CER 0.039UF 500V X7R 1210

In Stock: 217639

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