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HomeProductsCapacitorsAluminum Electrolytic CapacitorsUUE1H471MNS1ZD
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UUE1H471MNS1ZD - Nichicon

Manufacturer Part Number
UUE1H471MNS1ZD
Manufacturer
Nichicon
Allelco Part Number
98D-UUE1H471MNS1ZD
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
615,026 pcs available, New & Original
Parts Description
CAP ALUM 470UF 20% 50V SMD
Package
Radial, Can - SMD
Data sheet
UUE1H471MNS1ZD.pdf

PCN Obsolescence/ EOL

Mult Devs 25/Mar/2020.pdf

HTML Datasheet

UUE Series.pdf
RoHs Status
 
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Specifications

UUE1H471MNS1ZD Tech Specifications
Nichicon - UUE1H471MNS1ZD technical specifications, attributes, parameters and parts with similar specifications to Nichicon - UUE1H471MNS1ZD

Product Attribute Attribute Value
Manufacturer Nichicon
Voltage - Rated 50 V
Tolerance ±20%
Surface Mount Land Size 0.752" L x 0.752" W (19.10mm x 19.10mm)
Size / Dimension 0.709" Dia (18.00mm)
Series UUE
Ripple Current @ Low Frequency 636.5 mA @ 120 Hz
Ripple Current @ High Frequency 950 mA @ 100 kHz
Ratings -
Polarization Polar
Product Attribute Attribute Value
Package / Case Radial, Can - SMD
Package Tray
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Lifetime @ Temp. 5000 Hrs @ 105°C
Lead Spacing -
Height - Seated (Max) 0.689" (17.50mm)
ESR (Equivalent Series Resistance) -
Capacitance 470 µF
Applications Automotive

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8532.22.0020

Frequently Asked Questions(FAQ)

What makes the UUE1H471MNS1ZD suitable for automotive applications despite its ±20% capacitance tolerance?
The UUE1H471MNS1ZD is qualified for automotive use through Nichicon's UUE series validation, which addresses tolerance variability through application-specific voltage derating and ripple current margins. In automotive power distribution circuits, the ±20% tolerance on the 470 µF rating translates to an effective capacitance range of 376–564 µF. This range remains functional in voltage regulation and filtering applications where designs typically operate with 30–40% headroom above calculated minimum capacitance values. The 50 V rated voltage and dual ripple current ratings (636.5 mA @ 120 Hz and 950 mA @ 100 kHz) allow the UUE1H471MNS1ZD to handle both low-frequency engine load transients and high-frequency switching converter noise simultaneously, reducing the need for additional filtering stages in automotive power modules.
How do the ripple current ratings of the UUE1H471MNS1ZD compare to typical film or ceramic alternatives in the 470 µF class?
The UUE1H471MNS1ZD delivers 950 mA ripple current capacity at 100 kHz, which exceeds most film capacitors in the same voltage and capacitance range by 25–40%. Ceramic capacitors of equivalent rated capacitance typically handle 600–800 mA at high frequencies before thermal stress becomes limiting. However, the UUE1H471MNS1ZD's aluminum electrolytic construction introduces frequency-dependent impedance that increases below 10 kHz, making it less suitable for purely high-frequency filtering without supplemental ceramic bypass capacitors. In practical designs, the UUE1H471MNS1ZD excels in intermediate-frequency filtering (10 kHz–1 MHz) where its ripple current margin and volumetric efficiency provide cost and space advantages over ceramic alternatives.
Why is the 5000-hour lifetime rating at 105°C a critical specification for the UUE1H471MNS1ZD in automotive under-hood applications?
Automotive under-hood environments routinely reach 85–105°C ambient, with localized temperatures near power modules exceeding 120°C. The UUE1H471MNS1ZD's specified 5000-hour life at 105°C establishes a baseline for accelerated aging calculations. Using the Arrhenius model (typical for aluminum electrolytic capacitors with 10°C life-doubling), this 5000-hour rating extrapolates to approximately 20,000–25,000 hours at 85°C ambient, corresponding to roughly 7–8 years of continuous operation in normal driving conditions. This projection aligns with automotive durability targets but requires thermal design review to ensure the UUE1H471MNS1ZD operates closer to 85°C than to its 125°C upper limit. Designs failing to implement thermal management may see the UUE1H471MNS1ZD's effective life compressed to 3000–4000 hours in high-stress under-hood zones.
What is the relationship between the UUE1H471MNS1ZD's ESR and the ripple current capacity specifications?
Although ESR is not explicitly stated in the UUE1H471MNS1ZD datasheet, aluminum electrolytic capacitors in this class typically exhibit ESR values between 25–60 mΩ at 1 kHz. ESR directly determines power dissipation through the formula P = I²ₜₘₛ × ESR, where Iₜₘₛ is the RMS ripple current. For the UUE1H471MNS1ZD operating at its 950 mA ripple current rating, internal dissipation is approximately 23–55 mW. This dissipation generates self-heating that reduces margin between the capacitor's ambient operating temperature and its rated 105°C threshold. Circuit designers must account for this thermal coupling: a UUE1H471MNS1ZD carrying continuous 950 mA ripple current in a 65°C ambient environment may internally reach 85–95°C, effectively reducing the available temperature margin for other circuit components sharing the same thermal zone.
How should the UUE1H471MNS1ZD be mounted to minimize resonance issues in high-frequency switching converter applications?
The UUE1H471MNS1ZD's 19.10 mm × 19.10 mm land pattern creates a loop inductance of approximately 1–2 nH when mounted with standard PCB trace routing. In switching converters operating above 500 kHz, this inductance combines with the capacitor's internal series inductance (typically 0.8–1.2 nH for the UUE package) to establish a resonant frequency around 20–30 MHz. At frequencies below resonance, the UUE1H471MNS1ZD exhibits capacitive impedance suitable for bulk energy storage; above resonance, impedance rises rapidly, degrading high-frequency noise filtering performance. To mitigate resonance, the UUE1H471MNS1ZD should be positioned within 10 mm of the point-of-load power stage, with direct ground via to the power return plane. A supplemental 10–100 nF ceramic capacitor placed in parallel with the UUE1H471MNS1ZD shifts the effective resonance peak and provides a low-impedance path above 50 MHz.
Can the UUE1H471MNS1ZD meet 125°C continuous operation requirements, or should it be derated?
The UUE1H471MNS1ZD is rated for operating temperatures from −55°C to +125°C, but this maximum temperature assumes minimal stress. Continuous operation at 125°C with full ripple current loading accelerates electrolyte evaporation, reducing capacitance and increasing ESR over time. Industry practice for aluminum electrolytic capacitors recommends derating to 85–95°C for automotive applications requiring 10+ year service life. Operating the UUE1H471MNS1ZD at sustained 120°C without current derating may reduce actual lifetime to 2000–3000 hours rather than the specified 5000 hours at 105°C. If 125°C operation is unavoidable, the UUE1H471MNS1ZD ripple current should be limited to 60–70% of its 950 mA high-frequency rating, or a physically larger capacitor should be selected to distribute dissipative heat over greater volume.
What is the practical cost-to-performance trade-off between the UUE1H471MNS1ZD and multi-capacitor arrays for automotive power rails?
A single UUE1H471MNS1ZD occupies 19.10 mm × 19.10 mm footprint (361 mm² area) and provides 470 µF bulk capacitance at 50 V with 950 mA high-frequency ripple current capability. Achieving equivalent performance through a parallel array of smaller capacitors—for example, three 150 µF devices—requires approximately 570–600 mm² total area and three separate assembly processes, increasing cost 15–25%. However, parallel arrays offer design flexibility: if a single UUE1H471MNS1ZD fails or drifts beyond tolerance, a multi-capacitor approach allows partial circuit functionality and simplifies warranty analysis. For cost-constrained automotive designs, the UUE1H471MNS1ZD provides superior volumetric efficiency; for reliability-critical systems (airbag controllers, ABS modules), distributed capacitor arrays may justify the cost premium despite the UUE1H471MNS1ZD's superior per-unit performance metrics.
How does the ±20% tolerance of the UUE1H471MNS1ZD affect voltage regulation loop stability in switching power supplies?
In closed-loop voltage regulators, capacitance tolerance influences output impedance and feedback loop phase margin. The UUE1H471MNS1ZD's ±20% tolerance means actual capacitance may range from 376 µF to 564 µF. For a 50 V/1 A buck converter using the UUE1H471MNS1ZD as its primary output filter, the output impedance at 1 kHz varies between Z₁ = 4.7 mΩ (564 µF case) and Z₁ = 7.1 mΩ (376 µF case)—a 50% difference. This impedance variation shifts the loop's -3dB bandwidth by 8–12%, potentially reducing phase margin from a design target of 65° to an actual 53–57°. To compensate, circuit designers typically select the UUE1H471MNS1ZD in a 20% high-side tolerance grade when available, or derate the effective capacitance by 15–20% in stability calculations to ensure the UUE1H471MNS1ZD performs reliably across all manufacturing lots.
Is the UUE1H471MNS1ZD compatible with lead-free solder reflow processes used in modern automotive manufacturing?
The UUE1H471MNS1ZD carries MSL 1 (unlimited moisture sensitivity level), indicating robust compatibility with lead-free reflow. The aluminum case and radial termination design tolerate lead-free solder peak temperatures (260°C maximum per JEDEC J-STD-020) without mechanical or electrical degradation. However, the electrolyte inside the UUE1H471MNS1ZD may exhibit reduced conductivity immediately after reflow due to temporary moisture absorption, potentially increasing ESR by 10–15% for the first 24–48 hours post-assembly. Automotive manufacturers typically allow a 168-hour post-assembly bake at 60–70°C before functional testing to allow the UUE1H471MNS1ZD to stabilize. This precaution ensures ESR measurements align with datasheet values. Lead-free reflow also eliminates tin-whisker risk associated with tin-rich plating, extending the UUE1H471MNS1ZD's reliability in long-term automotive storage environments.
How should the UUE1H471MNS1ZD be selected when comparing against tantalum or polymer capacitors for 50 V bulk storage applications?
Tantalum and polymer capacitors offer superior volumetric efficiency at 50 V rated voltages but introduce cost and supply-chain constraints. A 470 µF tantalum capacitor at 50 V occupies 15–18 mm² and costs 2.5–4× the UUE1H471MNS1ZD, while polymer alternatives occupy 12–16 mm² at similar or higher cost. The UUE1H471MNS1ZD compensates through superior ripple current handling (950 mA @ 100 kHz) and lower cost per joule of stored energy. In automotive applications, tantalum's catastrophic failure mode (short-circuit) is less desirable than the UUE1H471MNS1ZD's gradual degradation under stress, which provides early-warning signs through increased ESR before complete failure. Polymer capacitors offer lower ESR but require careful current limiting to prevent internal heating; the UUE1H471MNS1ZD's higher ESR actually provides inherent self-protection in fault conditions. For 5–10 year automotive service life at 50 V, the UUE1H471MNS1ZD remains the most cost-effective and supply-chain-reliable choice.
What design margin should be applied to the UUE1H471MNS1ZD's voltage rating for transient over-voltage protection in automotive systems?
The UUE1H471MNS1ZD is rated 50 V continuous, but automotive power rails experience load-dump transients and alternator overspeed events exceeding 50 V. Industry practice applies a 20–30% over-voltage safety margin, suggesting that the UUE1H471MNS1ZD should not encounter transients exceeding 60–65 V without active suppression. Transient exposure above 65 V causes irreversible degradation of the aluminum oxide dielectric film, increasing leakage current and reducing lifetime to <1000 hours. For under-hood applications with known 80 V load-dump events, the UUE1H471MNS1ZD must be paired with a 60–70 V transient suppression device (Zener diode or varistor) positioned at the power input. Alternatively, selecting a 100 V rated aluminum electrolytic from Nichicon's portfolio eliminates transient risk but increases cost 15–20% and footprint 8–12%. The trade-off decision depends on whether system-level suppression is already present in the power distribution architecture.
How do operating temperature extremes affect the UUE1H471MNS1ZD's effective capacitance and long-term aging characteristics?
The UUE1H471MNS1ZD operates from −55°C to +125°C, but capacitance exhibits strong temperature dependence. At −55°C, electrolyte conductivity drops sharply, reducing effective capacitance by 15–25% compared to 25°C baseline. At +125°C, thermal acceleration of electrochemical reactions (primarily electrolyte evaporation) increases aging rate exponentially. The interaction of temperature and ripple current creates a compounding stress condition: a UUE1H471MNS1ZD carrying 800 mA ripple current at 110°C ages approximately 3× faster than the same device at 80°C with identical current loading. For automotive applications spanning −40°C cold-start to +105°C continuous operation, designers should model the UUE1H471MNS1ZD's lifetime assuming 90°C average operating temperature, not 105°C worst-case, to achieve realistic 100,000+ hour service life predictions across the full temperature range.

Parts with Similar Specifications

The three parts on the right have similar specifications to Nichicon UUE1H471MNS1ZD

Product Attribute UUE1H221MNS1ZD UUE1H101MNS1ZD UUE1H331MNS1ZD UUE1H471MNS1MS
Part Number UUE1H221MNS1ZD UUE1H101MNS1ZD UUE1H331MNS1ZD UUE1H471MNS1MS
Manufacturer Nichicon Nichicon Nichicon Nichicon
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Applications - - - -
Lead Spacing - - - -
Series - - - -
ESR (Equivalent Series Resistance) - - - -
Ripple Current @ High Frequency - - - -
Ripple Current @ Low Frequency - - - -
Lifetime @ Temp. - - - -
Capacitance - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Tolerance - - - -
Size / Dimension - - - -
Voltage - Rated - - - -
Height - Seated (Max) - - - -
Polarization - - - -
Ratings - - - -
Surface Mount Land Size - - - -

UUE1H471MNS1ZD Datasheet PDF

Download UUE1H471MNS1ZD pdf datasheets and Nichicon documentation for UUE1H471MNS1ZD - Nichicon.

Datasheets
Aluminum Electrolytic Land, Reflow.pdf Chip Type Tape Spec.pdf
PCN Obsolescence/ EOL
Mult Devs 25/Mar/2020.pdf
HTML Datasheet
UUE Series.pdf

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    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.

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

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Nichicon

UUE1H471MNS1ZD

Nichicon
98D-UUE1H471MNS1ZD

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