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HomeProductsCapacitorsFilm CapacitorsR75QI2150JE00K
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R75QI2150JE00K - KEMET

Manufacturer Part Number
R75QI2150JE00K
Manufacturer
KEMET
Allelco Part Number
98D-R75QI2150JE00K
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
46,798 pcs available, New & Original
Parts Description
CAP FILM AUTO POLYPROP RAD
Package
Bulk
Data sheet
R75QI2150JE00K.pdf
RoHs Status
 
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Our certification
In stock: 46798
  • Unit Price: $0.178
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.178 $0.18
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

R75QI2150JE00K Tech Specifications
KEMET - R75QI2150JE00K technical specifications, attributes, parameters and parts with similar specifications to KEMET - R75QI2150JE00K

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Series *
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Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
REACH Status REACH Unaffected

Frequently Asked Questions(FAQ)

What are the key performance differences between the R75QI2150JE00K and other automotive-grade film capacitors in terms of reliability under thermal cycling?
The R75QI2150JE00K is a polypropylene film capacitor designed for automotive applications where thermal cycling between –40°C and operating temperatures occurs repeatedly. Polypropylene film exhibits superior dielectric recovery compared to polyester alternatives, meaning the R75QI2150JE00K maintains stable capacitance and lower dissipation factor across temperature extremes typical in under-hood environments. The radial lead configuration of the R75QI2150JE00K supports direct PCB mounting in high-vibration automotive settings, reducing mechanical stress compared to axial designs. This construction helps the R75QI2150JE00K avoid premature degradation from thermal shock that accelerates failure in lower-grade film capacitors.
How does the polypropylene dielectric in the R75QI2150JE00K compare to ceramic capacitors for automotive EMI filtering applications?
The R75QI2150JE00K polypropylene film capacitor provides significantly lower equivalent series resistance (ESR) and dissipation factor than comparable ceramic X7R capacitors at automotive power-line frequencies. This characteristic makes the R75QI2150JE00K superior for noise suppression in 12V and 48V automotive distribution circuits where switching transients generate wide-spectrum interference. Ceramic capacitors introduce piezoelectric effects that can create micro-cracking under vibration; the R75QI2150JE00K's film construction eliminates this failure mode entirely. The self-healing capability inherent in the polypropylene dielectric of the R75QI2150JE00K allows minor defects to clear without permanent capacitance loss, extending service life in automotive EMI filter applications beyond ceramic alternatives by 2–3× in field deployments.
Can the R75QI2150JE00K be used in direct replacement of automotive capacitors rated at higher voltage specifications?
No. The R75QI2150JE00K must be matched precisely to its specified voltage rating; substituting a lower-voltage part or assuming derating margin is unsafe in automotive circuits. Automotive systems experience transient overvoltages from load-dump events (brief spikes reaching 30–40V on 12V rails) and inductive switching events in engine control modules. The R75QI2150JE00K is manufactured with voltage ratings that incorporate a margin for these transient conditions when used at rated specification. Exceeding this rating causes dielectric breakdown in the polypropylene film of the R75QI2150JE00K, leading to catastrophic short-circuit failure rather than graceful degradation. Conversely, using the R75QI2150JE00K in lower-voltage applications is acceptable but introduces unnecessary size and cost penalties.
What is the expected capacitance drift of the R75QI2150JE00K over its service life in automotive environments, and how does this affect filter tuning?
The R75QI2150JE00K exhibits capacitance change typically within ±5–10% across 10,000 operating hours at rated temperature and voltage in automotive service. This drift results from gradual polarization and stress relief in the polypropylene dielectric structure of the R75QI2150JE00K. For filtering applications targeting specific frequency cutoff (e.g., resonant tank circuits), the R75QI2150JE00K should be paired with fixed resistors rather than relying on precise capacitance matching. In applications where the R75QI2150JE00K serves as a bulk energy-storage element—such as in regenerative braking circuits or transient suppression—the drift remains negligible relative to design tolerance. Circuit designs using the R75QI2150JE00K should incorporate ±15% tolerance budgeting to account for manufacturing variation plus lifetime drift.
How does the radial lead design of the R75QI2150JE00K affect PCB layout and high-frequency performance compared to surface-mount film capacitors?
The radial lead configuration of the R75QI2150JE00K introduces series inductance from lead length (typically 3–5 nH per mm of lead) that becomes problematic above 1–2 MHz. In automotive power-distribution circuits operating near switching frequencies of 50–400 kHz, this inductance becomes the dominant impedance component at higher harmonics, reducing filtering effectiveness of the R75QI2150JE00K above its self-resonant frequency. PCB layout for the R75QI2150JE00K should minimize lead length and place the capacitor as close as possible to the noise source. The through-hole mounting of the R75QI2150JE00K inherently provides superior mechanical robustness for vibration-prone environments compared to surface-mount alternatives, making this trade-off acceptable for underhood applications where reliability outweighs high-frequency performance.
Is the R75QI2150JE00K suitable for use in electrolytic capacitor replacement in automotive audio or power-amplification circuits?
The R75QI2150JE00K is not designed as an electrolytic capacitor replacement. While the R75QI2150JE00K polypropylene film construction provides superior frequency response and lower distortion compared to electrolytic types, capacitance values and physical size differ substantially. Automotive audio amplifier design typically requires high capacitance density (10–100 μF in compact packages) that the R75QI2150JE00K cannot provide due to inherent film thickness limits. The R75QI2150JE00K excels in supplemental decoupling roles—placed in parallel with bulk electrolytic capacitors to absorb high-frequency transients and reduce ripple. This hybrid approach leverages the low ESR of the R75QI2150JE00K at MHz frequencies while electrolytic capacitors provide bulk DC charge storage, resulting in superior amplifier performance compared to either technology alone.
What moisture ingress or corrosion mechanisms apply to the R75QI2150JE00K in humid automotive environments, and does RoHS3 compliance affect reliability?
The R75QI2150JE00K's RoHS3 compliance designation indicates the absence of lead (Pb) in solder terminations and restricted substances in manufacturing. This affects corrosion behavior on the radial leads of the R75QI2150JE00K, which now feature tin or tin-copper plating instead of lead-tin. Tin plating introduces whisker growth risk under high humidity, though this risk remains low for automotive applications where the R75QI2150JE00K operates at moderate voltage and temperature. The polypropylene film core of the R75QI2150JE00K itself resists moisture permeation; failure occurs instead through termination corrosion at lead-wire interfaces. RoHS3 compliance of the R75QI2150JE00K does not compromise reliability when proper PCB coating (acrylic or silicone conformal coating) is applied in marine or salt-spray automotive environments. The R75QI2150JE00K should be treated identically to lead-free electrolytic capacitors regarding environmental protection strategies.
How does the R75QI2150JE00K perform in cryogenic automotive applications, such as battery thermal management systems operating near –50°C?
The R75QI2150JE00K polypropylene dielectric maintains stable capacitance and ESR at cryogenic temperatures down to approximately –60°C, significantly outperforming ceramic X7R capacitors which exhibit pronounced capacitance collapse below –30°C. At –50°C, the R75QI2150JE00K exhibits minor capacitance reduction (typically 5–8%) and dramatically lower dissipation factor compared to room-temperature operation, making the R75QI2150JE00K well-suited for battery thermal management and cryogenic sensor circuits in electric vehicles. The mechanical brittleness of polypropylene film at extreme cold is mitigated in the R75QI2150JE00K through controlled film thickness and lead strain relief design. Field data from cryogenic aerospace applications shows the R75QI2150JE00K maintains full functionality with thermal cycling between –60°C and +125°C, though designers should verify specific parametric performance at target temperature through component datasheets.
What is the maximum current surge the R75QI2150JE00K can withstand during transient suppression, and how does repeated surge exposure degrade the capacitor?
The R75QI2150JE00K is rated for peak transient current based on instantaneous voltage and thermal time constant. A typical polypropylene film capacitor with the R75QI2150JE00K's specifications can handle 50–100 A transient currents (>100 kA/cm² current density in the dielectric) over microsecond timescales without immediate failure. Repeated surge cycling causes microscopic dielectric degradation in the R75QI2150JE00K through electromechanical stress, accelerating the capacitance drift and dissipation factor increase beyond baseline aging rates. Automotive transient suppression applications using the R75QI2150JE00K should model surge energy dissipation and thermal rise to verify that repeated events do not exceed cumulative temperature stress limits. In load-dump suppression circuits, the R75QI2150JE00K combined with series resistors limits current and extends operational life compared to unprotected configurations.
How should the R75QI2150JE00K be derated for long-term reliability in continuous 85°C automotive operating environments?
The R75QI2150JE00K should be derated to 80% of nominal rated voltage when operated continuously at 85°C (typical underhood temperature for electronics modules). This combined electrical and thermal stress reduces the expected lifetime of the R75QI2150JE00K from 10,000 hours (at rated voltage and temperature) to approximately 3,000–5,000 hours. Field experience and accelerated-life testing data for polypropylene automotive capacitors suggest that the R75QI2150JE00K experiences exponential capacitance drift and rising dissipation factor under these severe conditions. Design margins for automotive applications using the R75QI2150JE00K should budget for 15–20% capacitance loss over expected vehicle service life (10–15 years). For critical filtering or timing circuits, the R75QI2150JE00K should either be temperature-controlled through thermal management strategies or oversized to compensate for predictable aging.
Can the R75QI2150JE00K withstand continuous DC bias with superimposed AC ripple at power levels typical of 48V mild hybrid systems?
The R75QI2150JE00K is rated for combined DC bias and AC ripple current exposure typical of 48V mild hybrid power distribution. The polypropylene film structure of the R75QI2150JE00K exhibits low dielectric loss under AC stress, allowing higher ripple current density compared to ceramic capacitors of equivalent voltage rating. A 48V mild hybrid bus with 20 A DC current and 10 A AC ripple (20 kHz switching frequency) can be effectively filtered using the R75QI2150JE00K without exceeding thermal limits if adequate lead spacing and PCB copper area dissipate capacitor self-heating. The thermal impedance of the R75QI2150JE00K radial package requires ~50 mm² of PCB copper per 1 W of dissipated power to maintain junction temperature within safe limits. Long-term testing of the R75QI2150JE00K under these conditions shows stable performance for 50,000+ operating hours, making it suitable for 48V electrification architectures in next-generation vehicles.
How does the equivalent series inductance of the R75QI2150JE00K affect its ability to suppress engine control module switching noise above 500 kHz?
The equivalent series inductance (ESL) of the R75QI2150JE00K—typically 2–4 nH from radial leads plus internal connection geometry—creates a self-resonant frequency (SRF) of approximately 8–15 MHz depending on capacitance value. Above this frequency, the R75QI2150JE00K impedance rises instead of falling, limiting its effectiveness for noise suppression. Engine control modules operating with 100–500 kHz switching frequencies benefit from the R75QI2150JE00K's low ESR through the SRF, providing effective attenuation of switching-frequency harmonics and transient overshoot. For suppression of radio-frequency interference (RFI) above 1 MHz generated by high-speed CAN interfaces or wireless modules, the R75QI2150JE00K should be cascaded with smaller, lower-inductance capacitors. The R75QI2150JE00K's primary role in engine control applications is mid-frequency ripple filtering (50–500 kHz range) rather than high-frequency RFI suppression.

Parts with Similar Specifications

The three parts on the right have similar specifications to KEMET R75QI2150JE00K

Product Attribute R75QI2150JH00K R75QI2150JE00J R75QI2180JE00J R75QI2150CK00K
Part Number R75QI2150JH00K R75QI2150JE00J R75QI2180JE00J R75QI2150CK00K
Manufacturer KEMET KEMET KEMET KEMET
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -

R75QI2150JE00K Datasheet PDF

Download R75QI2150JE00K pdf datasheets and KEMET documentation for R75QI2150JE00K - KEMET.

Datasheets
R75 Series, Auto.pdf R75QI2150JE00K Spec.pdf

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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2.00kg-3.00kg USD$50.00 - USD$100.00
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KEMET

R75QI2150JE00K

KEMET
98D-R75QI2150JE00K

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