The KEMET PEH200VO415AQU2 is an aluminum electrolytic capacitor designed for high-reliability power filtering and energy storage applications where screw terminal mounting and extended temperature operation are required. This component addresses the need for secure mechanical connection in industrial control systems, power supplies, and motor drive circuits where vibration resistance and field serviceability influence long-term system uptime.
Built on aluminum electrolytic chemistry, this capacitor delivers bulk capacitance suited to smoothing DC bus voltages, decoupling low-frequency ripple, and supporting hold-up energy reserves in switched-mode power converters. The screw terminal configuration provides a gas-tight, low-impedance connection that withstands mechanical stress in rack-mount equipment, renewable energy inverters, and transportation electronics. Field replacement is straightforward, reducing maintenance downtime compared to soldered or snap-in alternatives.
Rated for operation at 85 °C, the PEH200VO415AQU2 maintains stable capacitance and leakage characteristics across the industrial temperature range. This thermal ceiling supports continuous duty in moderate-ambient installations such as HVAC controllers, lighting ballasts, and benchtop power equipment where forced-air cooling or heat-sinking keeps junction temperatures within the rated envelope. Engineers selecting capacitors for filtering stages in linear and switching regulators will find the 85 °C rating adequate for consumer, commercial, and light-industrial duty cycles.
KEMET manufactures this part to active production status, ensuring consistent availability for new designs and service stock. The component is RoHS 3 compliant and classified as REACH unaffected, meeting current environmental directives for lead-free assembly and substance restriction. With an ECCN code of EAR99, the part carries no special export controls under U.S. regulations. Moisture sensitivity is not applicable, simplifying storage and handling protocols in assembly environments.
The screw terminal format suits chassis-mount layouts where the capacitor is anchored directly to a panel or busbar, distributing mechanical load away from the PCB. This construction is common in power entry modules, motor starter banks, and distributed power architectures where field wiring and terminal-block interfaces are preferred over board-level soldering. The package also accommodates higher voltage and capacitance grades that exceed the footprint constraints of surface-mount or radial-lead types.
When specifying aluminum electrolytics for ripple filtering in offline power supplies, the PEH200VO415AQU2 offers a balance of volumetric efficiency, cost, and electrical performance. Its screw terminal interface integrates readily into legacy designs and retrofit projects where existing mounting hardware and terminal spacing are already defined. For procurement teams managing inventory across multiple product lines, KEMET's active production and wide distribution network support reliable lead times and traceability.
Finding a Compatible Replacement for KEMET PEH200VO415AQU2 Screw-Terminal Aluminum Electrolytic Capacitors
When a KEMET PEH200VO415AQU2 capacitor becomes difficult to source, reaches end-of-life in installed equipment, or needs qualification for a second source, the replacement decision cannot rely on capacitance and voltage rating alone. Screw-terminal aluminum electrolytic capacitors affect DC-link stability, ripple-current handling, inrush stress, thermal rise, lifetime, mounting fit, and service reliability.
Potential replacement options to evaluate include KEMET ALS30/ALS31 matching-value variants, Cornell Dubilier 500C series equivalents, TDK EPCOS B43564 series parts, Vishay 101 PHR-ST alternatives, and Nichicon LNT series capacitors. These are not automatic drop-in substitutes unless the selected variant matches the original electrical rating, terminal style, case size, mounting hardware, ripple-current capability, ESR, and lifetime expectations.
What the KEMET PEH200VO415AQU2 Defines in the Original Design
The KEMET PEH200VO415AQU2 is an aluminum electrolytic capacitor with screw terminals, supplied in box packaging, rated for 85°C operation, and listed as RoHS3 compliant. It is an active product with REACH unaffected status and ECCN EAR99 classification. The device belongs to the general class of large-can electrolytic capacitors commonly used where bulk energy storage, DC filtering, or power-rail smoothing is required.
| Specification Area | KEMET PEH200VO415AQU2 Engineering Relevance | |
|---|---|---|
| Manufacturer | KEMET | Establishes original source, material system, and mechanical construction reference |
| Capacitor Type | Aluminum electrolytic capacitor | Polarized device; replacement polarity, surge voltage, and ripple current must be verified |
| Termination | Screw terminal | Mechanical drop-in suitability depends on terminal spacing, thread size, and busbar/cable lug compatibility |
| Temperature Rating | 85°C | Replacement lifetime must be evaluated at actual hot-spot temperature, not only ambient temperature |
| Compliance | RoHS3 compliant, REACH unaffected | Supports use in regulated industrial and commercial assemblies |
| Packaging | Box | Relevant for handling, logistics, and production receiving processes |
| Product Status | Active | Reduces obsolescence risk, but second-source planning may still be needed |
| Moisture Sensitivity | Not applicable | Normal for large aluminum electrolytic capacitors |
| Typical Use Class | Bulk DC-link, filtering, hold-up, energy storage | Candidate alternatives must tolerate ripple current, charge/discharge stress, and mechanical mounting loads |
The replacement evaluation should begin by confirming the complete KEMET datasheet values for PEH200VO415AQU2, including capacitance, rated voltage, surge voltage, tolerance, ESR or impedance, rated ripple current, leakage current, lifetime, case diameter, case length, terminal pitch, mounting base, safety vent clearance, and torque limits. In many power assemblies, the mechanical envelope and ripple-current rating become the limiting factors, even when capacitance and voltage appear compatible.
Typical applications include industrial power supplies, motor drives, UPS equipment, DC-link capacitor banks, welding equipment, renewable-energy converters, and high-power rectifier systems. In these circuits, a lower ESR replacement may reduce heating, but it can also alter inrush behavior or current sharing in capacitor banks. A higher capacitance substitute may improve hold-up time, but it may increase charging current and stress rectifiers, relays, or pre-charge resistors.
Candidate Replacement Parts for KEMET PEH200VO415AQU2 Evaluation
The following alternatives should be treated as candidate replacement platforms. The exact ordering code must be selected to match the original PEH200VO415AQU2 capacitance, voltage, terminal configuration, and case size.
| Manufacturer | Part Number / Series | Key Specifications | Product Features | Typical Applications | Why It Can Replace the Original Part | Main Differences or Limitations | Recommended Usage |
|---|---|---|---|---|---|---|---|
| KEMET | ALS30 matching-value variant | Aluminum electrolytic, screw terminal, industrial-grade bulk capacitor family | High ripple-current capability, long-life options, established KEMET platform | DC-link capacitors, industrial drives, power supplies, UPS systems | Same manufacturer ecosystem can simplify qualification and documentation review | Exact case size, capacitance, voltage, and terminal code must be matched; not every ALS30 variant is mechanically equivalent | Strong first-choice alternative when maintaining KEMET sourcing and similar application behavior is preferred |
| KEMET | ALS31 matching-value variant | Aluminum electrolytic, screw terminal, often used for higher-reliability industrial applications | Extended lifetime options, robust screw-terminal construction | Power conversion, energy storage, converter DC buses | Provides a KEMET alternative path where longer service life or broader availability is desired | May differ in can dimensions, ESR, ripple rating, and lifetime model compared with PEH200VO415AQU2 | Suitable when redesign approval allows mechanical and thermal verification |
| Cornell Dubilier | 500C matching-value variant | Large-can aluminum electrolytic, screw terminal, high-ripple DC filtering series | Broad capacitance and voltage coverage, strong industrial availability | UPS, welders, inverters, motor drives, rectifier filters | Common second-source candidate for screw-terminal electrolytic replacement | ESR, ripple-current rating, terminal pitch, and mounting hardware can differ from KEMET parts | Good option for maintenance, repair, and second-source qualification after thermal testing |
| TDK EPCOS | B43564 matching-value variant | Screw-terminal aluminum electrolytic capacitor family for power electronics | High ripple-current capability, industrial DC-link use, recognized EPCOS construction | Frequency converters, industrial power supplies, renewable-energy converters | Suitable electrical class for replacing large KEMET screw-terminal electrolytics | Some variants may have different can height, terminal layout, or endurance rating | Recommended where EPCOS/TDF sourcing is preferred and mechanical fit is confirmed |
| Vishay BCcomponents | 101 PHR-ST matching-value variant | Power high-ripple screw-terminal aluminum electrolytic capacitor series | Designed for high ripple current and long operational life | Drives, traction-related equipment, telecom power, UPS systems | Can meet or exceed original ripple and lifetime requirements in demanding DC-link positions | Higher-performance variants may be larger or more expensive; capacitance tolerance and ESR must be checked | Useful where thermal margin, ripple capability, or service life is the main selection driver |
| Nichicon | LNT matching-value variant | Screw-terminal aluminum electrolytic capacitor family for large-capacity power circuits | Industrial-grade construction, broad value range, established Japanese source | Power supplies, inverters, energy-storage banks, industrial equipment | Provides another qualified manufacturer option for multi-source BOM strategies | Case dimensions, terminal spacing, and ripple-current data must be compared carefully | Suitable for multi-vendor qualification when procurement flexibility is needed |
Among these candidates, the closest engineering route is usually a same-manufacturer KEMET ALS30 or ALS31 matching-value variant, because documentation structure and application positioning are easier to compare. Cornell Dubilier 500C, TDK EPCOS B43564, Vishay 101 PHR-ST, and Nichicon LNT are practical alternatives when the design can tolerate a controlled requalification process.
Engineering Comparison of PEH200VO415AQU2 Replacement Options
| Replacement Option | Electrical Compatibility | Mechanical Compatibility | Performance Differences | Reliability Considerations | Package Availability | Cost Considerations | Best-Fit Scenario | Advantages | Limitations |
|---|---|---|---|---|---|---|---|---|---|
| KEMET ALS30 matching-value variant | Usually strong if capacitance, voltage, ripple current, ESR, and surge rating are matched | Must verify case diameter, height, terminal pitch, thread, and mounting base | May offer improved ripple capability or lifetime depending on selected code | Familiar KEMET reliability data may simplify qualification | Generally suitable for industrial sourcing | May be moderate to high depending on value and availability | Replacement where original KEMET behavior should be preserved | Same-brand alternative, easier documentation comparison | Not automatically drop-in; exact mechanical code matters |
| KEMET ALS31 matching-value variant | Strong when selected for same or higher voltage and adequate ripple current | May differ from PEH200VO415AQU2 envelope | Often selected for longer-life requirements | Good choice where operating temperature or duty cycle is demanding | Availability depends on capacitance and voltage combination | May cost more than standard 85°C options | Lifetime-driven redesign or refurbishment | Potential reliability margin | Requires rechecking thermal model and mounting fit |
| Cornell Dubilier 500C matching-value variant | Good if ripple current and ESR are equal or better | Mechanical compatibility must be verified carefully | May show different ESR and ripple-current behavior | Proven industrial capacitor series | Broad distribution in many markets | Often competitive for maintenance sourcing | Second-source replacement for power converters and UPS equipment | Wide value range, established alternative | Parameter naming and lifetime conditions may differ from KEMET |
| TDK EPCOS B43564 matching-value variant | Good for DC-link and filtering applications when ratings match | Can size and terminal geometry may vary | Strong ripple-current capability in many variants | Suitable for industrial power electronics | Often available through global channels | Cost depends on voltage and can size | Industrial inverter or converter replacement | Strong power-electronics pedigree | Requires close dimensional and ripple-current comparison |
| Vishay 101 PHR-ST matching-value variant | Often strong for high-ripple applications | Larger cans may be required for higher ripple margin | Can improve thermal performance if properly selected | Long-life/high-ripple variants can improve service margin | Availability varies by exact ordering code | May be higher cost for premium ratings | High-stress DC-link capacitor replacement | Good ripple and lifetime potential | May not fit existing clamps or busbars |
| Nichicon LNT matching-value variant | Suitable when capacitance, voltage, ripple, and ESR align | Must confirm screw terminal and mounting dimensions | Balanced industrial performance | Reliable source for qualified multi-vendor BOMs | Depends on region and value | Can be cost-effective in multi-source purchasing | Procurement diversification and approved vendor expansion | Established manufacturer, broad application range | Needs full qualification against original KEMET data |
For a practical replacement decision, start with electrical limits: rated voltage should be equal to or higher than the KEMET PEH200VO415AQU2 requirement, capacitance should remain within the circuit’s allowable tolerance, and ripple-current rating should be checked at the actual operating frequency and temperature. ESR should not be treated only as “lower is better”; it influences heating, current sharing, and transient response.
Next, confirm mechanical fit. Screw-terminal capacitors are often constrained by clamp diameter, can height, terminal spacing, busbar hole pattern, vent clearance, and torque specification. A capacitor with excellent electrical ratings can still be unsuitable if it changes creepage distance, interferes with covers, or misaligns with rigid busbars.
For long-term operation, compare lifetime using the same temperature and ripple-current assumptions. An 85°C replacement may be adequate in a cooled cabinet, while a higher-endurance alternative such as a suitable KEMET ALS31 or Vishay 101 PHR-ST variant may be justified in hotter inverter or UPS environments.
For quotations and availability checks on KEMET PEH200VO415AQU2 replacement parts, including KEMET ALS30, KEMET ALS31, Cornell Dubilier 500C, TDK EPCOS B43564, Vishay 101 PHR-ST, and Nichicon LNT alternatives, request pricing through IC-Components.com or email Info@IC-Components.com.




