All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
  • Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C
  • Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C
  • Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C
  • Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C
  • Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C
  • Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C
Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C
Ready to Ship
In stock Fast dispatch

Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C

  • 50 - 999 Pieces
    $0.20
  • >= 1000 Pieces
    $0.10

Customization:

Customized packaging(Min.Order: 10000 pieces)

Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Energy Storage & Voltage Regulation: Designed to store electrical energy and stabilize voltage in DC converter systems, enabling efficient power conversion from 400V to 12V.
  • High-Temperature Operation: Built with a 105°C temperature rating, ensuring reliability in harsh environments such as automotive systems, industrial equipment, and high-power electronics.

Key features

  • 1. Corrosion-Resistant Anodized Aluminum Construction

  • With an anodized aluminum body, resist corrosion and maintain electrical conductivity in harsh environments. This material outperforms non-anodized capacitors in durability and longevity.

  • 2. High Voltage & Temperature Tolerance

  • With a 400V rating and 105°C operating temperature, handle extreme conditions in industrial and automotive applications. This surpasses capacitors rated for lower voltages or temperatures (e.g., 85°C models).

  • 3. Versatile Scenario Solutions for Power Systems

  • Designed for power conversion (e.g., 400V to 12V DC converters), it meets the demands of automotive electronics and industrial equipment. Outperforms general-purpose capacitors in high-power scenarios.

  • 4. User-Friendly DIP Mounting & Solderable Terminals

  • With dual-in-line package (DIP) and solderable terminals, integrate seamlessly into circuit boards for easy assembly. This design reduces installation complexity compared to non-solderable alternatives.

  • 5. Compliance with Industry Standards

  • Certified for power and general-purpose applications, ensuring adherence to safety and performance benchmarks. Meets requirements for commercial and industrial use cases.

Product details

Electric Capacitor 120uf 400v DC DC Converter 400v to 12v Chong Aluminum Electrolytic Capacitors 18x30mm -55C to +105C

The electric capacitor 120μF 400V is a high-performance aluminum electrolytic capacitor designed for power conversion and general-purpose applications. With a radial lead configuration and DIP mounting, it offers robust energy storage in compact form factors. Its 105°C temperature rating ensures reliability in harsh environments, while the anodized aluminum body provides corrosion resistance and durability.

Technical specifications

FeatureSpecificationBenefit
MaterialAnodized aluminum body, copper terminalsCorrosion resistance and solder-friendly terminals
Capacitance120 μFHigh energy storage for power circuits
Voltage Rating400 V DCSafe operation in high-voltage systems
Temperature Rating105°CWithstands extreme thermal conditions
Mounting TypeDIP (radial leads)Easy PCB integration and assembly
PackagingStandard radial leadsSpace-saving design for tight spaces

Customization guide

Adjust capacitance (10–220 μF) or voltage (25V–630V) to meet specific power density or voltage tolerance needs. Opt for low-ESR variants for high-frequency applications or high-temperature coatings for extreme environments.

Get inspired

Ideal for DC-DC converters, automotive electronics, and industrial power supplies, this capacitor combines rugged durability with compact efficiency. Its radial leads simplify assembly, while the 400V rating ensures safety in high-stress circuits.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Capacitance Range100–150 μF150–200 μF200–220 μF
Max Voltage400 V450 V630 V
ESR (Typical)120 mΩ85 mΩ (-30%)50 mΩ (-58%)
Temperature Rating105°C125°C (+20%)150°C (+43%)
ESD Resistance2 kV4 kV (+100%)8 kV (+300%)

Supplier's note

  1. Technical Breakthroughs:

    • High-Temperature Coating: The 105°C rating enables use in automotive systems and industrial equipment.
    • Low-ESR Design: The Pro Model’s 50 mΩ ESR reduces heat dissipation by 40%, ideal for high-frequency circuits.
    • Extended Voltage Range: The Pro Model’s 630 V rating exceeds industry standards, ensuring safety in harsh power environments.
  2. Version Selection Guide:

    • Base Model: Suitable for standard power supplies (e.g., consumer electronics) requiring 400V operation.
    • Advanced Model: Choose for industrial applications (e.g., inverters) needing higher voltage (450V) and moderate thermal resistance.
    • Pro Model: Best for extreme scenarios like aerospace or oil drilling, where 630V, 150°C, and ultra-low ESR are critical.

With its 105°C rating, you can ensure reliability in high-temperature automotive systems. The Pro Model’s 8 kV ESD resistance safeguards against voltage spikes in industrial machinery. Pair its low-ESR design with high-frequency inverters to reduce energy loss by 30%.

Frequently asked questions

  • Which electrolytic capacitor is best for high-temperature applications like automotive systems?

  • How to properly handle and store 400V electrolytic capacitors to prevent leakage?

  • Why is aluminum chosen for the body of 120μF 400V electrolytic capacitors?

  • Can the voltage and capacitance of 400V electrolytic capacitors be customized for specific applications?

  • Is the 400V rating of this electrolytic capacitor suitable for DC-DC converters?

  • Does the 105°C rating ensure safety in high-temperature electronics?

  • Which electrolytic capacitor is ideal for compact DC-DC converter designs?

  • What electrolyte material is used in 120μF 400V capacitors for longevity?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Capacitance & VoltageHigh-power DC-DC convertersIndustry: 100µF @350VBase: 120µF @400V (▲)Advanced: 150µF @450V (▲)
Temperature ToleranceIndustrial equipment in hot environmentsIndustry: 85°CBase: 105°C (▲)Advanced: 125°C (▲)
Mounting & IntegrationPCB assembly requiring through-holeIndustry: Through-HoleBase: DIP (▲)Advanced: SMD (▲▲)
Chemical ResistanceHarsh chemical environmentsIndustry: UnratedBase: Anodized aluminum (ASTM D543) (▲)Advanced: Enhanced epoxy coating (▲)
Noise & EMI PerformanceSensitive electronic systemsIndustry: 50 dBABase: 43 dBA (▲)Advanced: 38 dBA (▲)
Packaging EfficiencyCompact device manufacturingIndustry: Axial leadsBase: Radial leads (▲)Advanced: SMD (▲▲)

Related searches

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.