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Home > Products > Capacitors > Aluminum Electrolytic Capacitors > ESMH800VNN122MP25T
United Chemi-Con
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ESMH800VNN122MP25T

Manufacturer Part Number:
ESMH800VNN122MP25T
Manufacturer / Brand
United Chemi-Con
Part of Description:
CAP ALUM 1200UF 20% 80V SNAP
Datasheets:
ESMH800VNN122MP25T(1).pdfESMH800VNN122MP25T(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 685627 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number ESMH800VNN122MP25T
Manufacturer / Brand United Chemi-Con
Stock Quantity 685627 pcs Stock
Category Capacitors > Aluminum Electrolytic Capacitors
Description CAP ALUM 1200UF 20% 80V SNAP
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Rated 80 V
Tolerance ±20%
Surface Mount Land Size -
Size / Dimension 0.866' Dia (22.00mm)
Series SMH
Ripple Current @ Low Frequency 1.69 A @ 120 Hz
Ripple Current @ High Frequency 2.028 A @ 100 kHz
Ratings -
Polarization Polar
Package / Case Radial, Can - Snap-In
Package Bulk
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Lifetime @ Temp. 2000 Hrs @ 85°C
Lead Spacing 0.394' (10.00mm)
Height - Seated (Max) 1.063' (27.00mm)
ESR (Equivalent Series Resistance) 207mOhm @ 120Hz
Capacitance 1200 µF
Applications General Purpose

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

How does the ESR of the ESMH800VNN122MP25T impact its performance in high-frequency switching power supply output stages?
While the ESMH800VNN122MP25T specifies an ESR of 207mOhm at 120Hz, its ripple current capacity increases from 1.69A at low frequency to 2.028A at 100kHz. In high-frequency designs, the internal heating is dominated by the high-frequency ripple component. Engineers must ensure the total power dissipation (I²R) does not exceed the thermal dissipation limits of the 22mm x 25mm chassis to prevent electrolyte dry-out, especially since this SMH series part is optimized for bulk DC filtering rather than ultra-low ESR high-speed switching.
Can the ESMH800VNN122MP25T be used in a 72V DC bus system, or does it lack sufficient voltage derating headroom?
Using the ESMH800VNN122MP25T in a 72V system provides a voltage margin of only 10%. Standard industrial design-in guidelines typically suggest a derating of 20% or more to account for line transients and regenerative braking spikes in motor applications. If the DC bus is subject to fluctuations exceeding 80V, selecting a 100V rated capacitor from the same SMH series would provide a more robust safety buffer against dielectric breakdown.
What are the physical integration risks when substituting the ESMH800VNN122MP25T with a Nichicon LLS1K122MELZ?
The ESMH800VNN122MP25T has a seated height of 27mm and a diameter of 22mm. While the Nichicon LLS1K122MELZ is a functional equivalent, the terminal lead spacing of 10mm must be strictly matched. Engineers should verify the specific "can" dimensions of the substitute, as variations in height can interfere with top-side enclosure clearances or airflow paths in densely packed power modules where the 25mm nominal length of the Chemi-Con part was originally specified.
How do I calculate the estimated operational life of the ESMH800VNN122MP25T in a 45°C ambient industrial environment?
The ESMH800VNN122MP25T is rated for 2,000 hours at 85°C. Following the Arrhenius law for aluminum electrolytic capacitors, every 10°C decrease in operating temperature approximately doubles the lifespan. Operating at 45°C (a 40°C reduction) theoretically extends the service life to approximately 32,000 hours, provided the ripple current remains within the 1.69A limit to prevent excessive internal self-heating beyond the ambient temperature.
Is the ESMH800VNN122MP25T suitable for vibration-heavy applications like off-road vehicle power electronics?
The ESMH800VNN122MP25T features a standard snap-in terminal design (2-pin), which provides basic mechanical stability for stationary equipment. However, in high-vibration environments, the 22mm diameter can of the ESMH800VNN122MP25T may experience stress at the solder joints. For such applications, engineers often apply supplemental RTV silicone bonding or specify a multi-pin (4-pin or 5-pin) snap-in variant to ensure the mechanical resonance of the capacitor does not lead to lead fatigue or PCB trace delamination.
When migrating from the ESMH800VNN122MP25T to the Rubycon 80MXG1200MEFCSN22X25, are there significant differences in thermal ripple current handling?
Both the ESMH800VNN122MP25T and the Rubycon 80MXG1200MEFCSN22X25 are rated for 85°C and 1200µF at 80V. The SMH series is a standard 85°C larger-sized snap-in, and the MXG series offers similar volumetric efficiency. Designers should compare the 100kHz ripple current multipliers in the respective datasheets; if the Rubycon alternative has a lower high-frequency multiplier, it may run hotter than the ESMH800VNN122MP25T in the same circuit, potentially shortening the MTBF of the power supply.
Does the ESMH800VNN122MP25T require specialized soldering profiles to avoid damaging the internal electrolyte seal?
The ESMH800VNN122MP25T is a through-hole snap-in component designed for wave soldering. The primary risk is excessive heat soak during the soldering process which can compromise the rubber seal at the base. It is recommended to maintain a solder bath temperature of 260°C or less with a dwell time not exceeding 10 seconds. Since the ESMH800VNN122MP25T uses a radial snap-in configuration, ensuring the PCB holes are correctly sized at 2.0mm (+/- 0.1mm) is necessary to allow the snap-in mechanism to function without applying excessive insertion force on the internal foils.

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ESMH800VNN122MP25T

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United Chemi-Con

CAP ALUM 1200UF 20% 80V SNAP

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