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HomeProductsCapacitorsFilm CapacitorsF881AG272K300L
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F881AG272K300L - KEMET

Manufacturer Part Number
F881AG272K300L
Manufacturer
KEMET
Allelco Part Number
98D-F881AG272K300L
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
28,517 pcs available, New & Original
Parts Description
CAP FILM POLYPROP RAD Y2
Package
Tape & Box (TB)
Data sheet
F881AG272K300L.pdf
RoHs Status
 
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Our certification
In stock: 28517
  • Unit Price: $0.194
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.194 $0.19
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

F881AG272K300L Tech Specifications
KEMET - F881AG272K300L technical specifications, attributes, parameters and parts with similar specifications to KEMET - F881AG272K300L

Product Attribute Attribute Value
Manufacturer KEMET
Series *
Product Attribute Attribute Value
Package Tape & Box (TB)

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
REACH Status REACH Unaffected

Frequently Asked Questions(FAQ)

What are the key differences between the F881AG272K300L and other polypropylene film capacitors in terms of Y2 safety certification?
The F881AG272K300L is certified as a Y2-class capacitor, which means it's designed for AC mains application where the capacitor is connected in series with the mains supply. Y2 classification indicates the F881AG272K300L has undergone rigorous safety testing to ensure it will not create a hazard if it fails during operation. Unlike Y1-rated capacitors that are used in parallel with the mains, the F881AG272K300L's Y2 rating reflects KEMET's design approach for series-connected circuits, making it suitable for specific EMI filtering topologies and surge suppression applications where a failure mode must not result in a direct short circuit to ground.
How does the polypropylene dielectric material in the F881AG272K300L affect its performance in high-temperature switching applications?
Polypropylene film used in the F881AG272K300L exhibits lower dielectric loss compared to other film materials, which reduces heat generation during high-frequency switching. However, polypropylene has a lower temperature coefficient than polyester or polycarbonate alternatives. The F881AG272K300L's polypropylene construction means its capacitance remains relatively stable across operating temperature ranges typical in industrial switching supplies, though designers should verify the specific temperature derating curve provided in KEMET's datasheet to ensure the F881AG272K300L meets drift specifications for precision applications below approximately 85°C.
Why would the F881AG272K300L be selected for EMI suppression instead of ceramic or electrolytic alternatives in mains-voltage circuits?
The F881AG272K300L combines the self-healing properties of polypropylene film with the safety characteristics of Y2 certification, making it inherently safer for mains-connected applications. Unlike ceramic capacitors, which can fail catastrophically, the F881AG272K300L's polypropylene film self-heals minor defects, reducing infant mortality. Electrolytic capacitors cannot be used in series AC mains circuits due to their polarization requirement. The F881AG272K300L's film construction also provides superior performance in high-voltage transient suppression, as polypropylene maintains electrical properties better than ceramics under repetitive surge stress.
What design constraints should be considered when using the F881AG272K300L in printed circuit board layout for AC applications?
The F881AG272K300L, as a radial-leaded device in tape and box packaging, requires board layout that minimizes lead length to reduce parasitic inductance, particularly important for mains filtering where switching transients are severe. Designers should avoid routing the F881AG272K300L in close proximity to high-current switching traces to prevent capacitive coupling. The Y2 safety rating of the F881AG272K300L means the capacitor is designed to be accessible and visible on the PCB for inspection and replacement without requiring potting or encapsulation. Additionally, the radial lead configuration of the F881AG272K300L should be soldered with adequate mechanical support to withstand vibration in industrial environments, and thermal management around the F881AG272K300L should allow airflow to prevent localized heating.
How does the F881AG272K300L's RoHS3 compliance affect its long-term reliability in harsh industrial environments?
The F881AG272K300L's RoHS3 compliance eliminates lead-based solder and regulated heavy metals from its construction, which reduces corrosion pathways in humid or chemically aggressive environments. The lead-free solder used in the F881AG272K300L requires higher reflow temperatures but results in mechanically stronger solder joints with better creep resistance over decades of operation. While RoHS3 compliance of the F881AG272K300L does not directly improve capacitor dielectric performance, the elimination of lead and cadmium from internal connections and external plating reduces failure modes related to dendrite formation and corrosion-induced shorts. For the F881AG272K300L in applications spanning 10+ years, RoHS3 compliance supports predictable aging characteristics without the accelerated degradation sometimes associated with lead-based plating systems.
What is the practical difference in circuit behavior between the F881AG272K300L and a comparable polyester film capacitor when subjected to repeated mains surge events?
The F881AG272K300L's polypropylene dielectric exhibits lower dissipation factor (tan delta) than polyester alternatives, meaning less energy is converted to heat during repetitive surge events. Over hundreds of surge cycles, the F881AG272K300L maintains more stable capacitance and lower ESR compared to polyester equivalents, which accumulate thermal stress more rapidly. The F881AG272K300L's self-healing mechanism in polypropylene also means minor punctures from surge transients are automatically isolated, whereas polyester capacitors with the same voltage rating would experience permanent capacitance loss or eventual failure. In practical terms, a polyester film capacitor rated for the same voltage as the F881AG272K300L would typically require a higher voltage derating to achieve equivalent surge cycle life.
Can the F881AG272K300L be used as a direct replacement for older non-RoHS capacitors in legacy industrial equipment?
The F881AG272K300L can mechanically and electrically replace older film capacitors with equivalent voltage and capacitance ratings, but thermal management and circuit timing must be verified. RoHS3-compliant variants like the F881AG272K300L use lead-free soldering materials that create solder joints with different mechanical properties than lead-bearing predecessors. If the original equipment used a lead-based solder, the F881AG272K300L's lead-free construction may introduce slightly different thermal expansion stresses during thermal cycling, though this is typically negligible. The F881AG272K300L's polypropylene formulation and self-healing properties generally provide improved performance over older film capacitor generations, but designers should confirm that the F881AG272K300L's ESR and temperature coefficient specifications match the circuit's filtering or timing requirements.
What role does the F881AG272K300L's tape and box packaging play in manufacturing efficiency for large production volumes?
The F881AG272K300L's tape and box (TB) packaging enables automated pick-and-place machine integration on surface-mount assembly lines, reducing manual handling and placement errors during high-volume production. The standardized tape format for the F881AG272K300L allows consistent feed rates through automated equipment, improving throughput compared to bulk bin packaging. The box format for bulk quantities of the F881AG272K300L supports warehousing systems that track inventory electronically, reducing component mix-ups. For contract manufacturers assembling products with the F881AG272K300L, the TB packaging provides flexibility—individual tape reels can be used immediately for small-batch prototypes, while bulk boxes support sustained production runs without frequent replenishment.
How does the F881AG272K300L's Y2 classification compare to X2-rated capacitors in terms of failure mode safety when used across AC mains voltage?
The F881AG272K300L's Y2 rating is specifically designed for series-connected circuits where the capacitor is inserted between one mains conductor and ground, whereas X2-rated capacitors are designed for parallel connection across the mains supply. If the F881AG272K300L fails short-circuit internally, the Y2 design ensures the failure current is limited and does not create a direct short across the mains. Conversely, an X2-rated capacitor in a parallel configuration is designed to handle large short-circuit currents safely. The F881AG272K300L cannot be substituted for X2-rated capacitors without circuit topology changes, as the F881AG272K300L's Y2 rating assumes a series-current-limiting path. Using the F881AG272K300L in a parallel mains circuit would violate its safety certification and potentially create shock hazards.
What measurement techniques should be used to verify the F881AG272K300L's capacitance stability over its specified operating range?
The F881AG272K300L's capacitance can be measured using a precision LCR meter at 1 kHz and 1 V, which is the standard test frequency for film capacitors. To verify temperature stability of the F881AG272K300L, measurements should be taken at -10°C, +25°C (reference), and +70°C using a calibrated temperature chamber; KEMET provides derating curves showing how the F881AG272K300L's capacitance changes across this range. The F881AG272K300L should be soaked at temperature for at least 30 minutes before measurement to reach thermal equilibrium. For the F881AG272K300L, polypropylene's temperature coefficient typically results in a capacitance increase of 1–2% per 10°C rise. ESR measurements of the F881AG272K300L at operating temperature are more sensitive to dielectric condition than DC capacitance; rising ESR may indicate incipient failure before capacitance drift becomes visible.
Is the F881AG272K300L suitable for high-frequency filtering applications, and what are the frequency limitations?
The F881AG272K300L is designed for AC mains frequency applications (50–60 Hz) and low-frequency EMI filtering, not for high-frequency RF or switching supply filtering. While the F881AG272K300L's polypropylene dielectric maintains low dissipation at mains frequencies, its self-resonant frequency (typically in the megahertz range) and internal lead inductance make it unsuitable for high-frequency bypass applications where parasitic impedance dominates. The F881AG272K300L exhibits rising impedance above a few hundred kilohertz due to inductive behavior, which would reduce filtering effectiveness in switched-mode power supply output stages. For applications requiring the F881AG272K300L alongside high-frequency noise suppression, designers should use smaller ceramic or film capacitors in parallel to provide impedance control above mains harmonics.
What environmental factors should trigger replacement of the F881AG272K300L during preventive maintenance cycles?
The F881AG272K300L should be inspected visually for bulging of the plastic case, which indicates internal pressure buildup from dielectric degradation or seal failure. Discoloration or darkening of the F881AG272K300L's case suggests thermal stress or partial internal discharge events. If ESR measurements of the F881AG272K300L exceed 50% of the original baseline or capacitance drifts below 80% of the rated value, replacement is recommended. The F881AG272K300L operating continuously in environments above 70°C should be monitored more frequently, as thermal aging accelerates. In coastal or chemical processing environments, the F881AG272K300L should be inspected annually for corrosion of lead plating or solder connections. Audible crackling or clicking sounds from the F881AG272K300L during operation indicate active self-healing events; if frequency increases, the component should be scheduled for replacement.

Parts with Similar Specifications

The three parts on the right have similar specifications to KEMET F881AG272K300L

Product Attribute F881AG252K300L F881AG272K300A F881AG272K300C F881AG272K300R
Part Number F881AG252K300L F881AG272K300A F881AG272K300C F881AG272K300R
Manufacturer KEMET KEMET KEMET KEMET
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -

F881AG272K300L Datasheet PDF

Download F881AG272K300L pdf datasheets and KEMET documentation for F881AG272K300L - KEMET.

Datasheets
F881, Y2 Series.pdf F881AG272K300L Spec.pdf

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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KEMET

F881AG272K300L

KEMET
98D-F881AG272K300L

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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