RS-220uF-100V
Standard radial capacitor with 220uF capacitance and 100V rating for medium-voltage applications.
Product Overview
Description
The RS-220uF-100V is a standard radial aluminum electrolytic capacitor designed for medium-voltage applications. With 220uF capacitance and 100V rating, it provides reliable filtering for 48V and 72V power supply circuits.
This capacitor features a 10mm diameter case with standard 5mm lead spacing. The optimized electrode design provides good ripple current capability for its size.
Rated for 2000 hours at 85C, this capacitor is suitable for industrial and consumer applications. The standard form factor ensures compatibility with existing designs.
Product Series
RS
Primary Application
Industrial power supplies
Key Features
- Medium voltage 100V rating
- 220uF capacitance
- Standard 5mm lead spacing
- Compact 10mm diameter
- Cost-effective design
Specifications
| Capacitance | 220uF +/-20% |
|---|---|
| Voltage Rating | 100V DC |
| Ripple Current | 0.7A @ 85C, 120Hz |
| Temperature Range | -40C to +85C |
| Lifetime | 2,000 hours @ 85C |
| Lead Spacing | 5mm |
| Dimensions | 10mm dia x 20mm L |
Applications
Industrial power supplies
Industrial automation and control
48V DC circuits
Electronic system design
Motor drives
Motor drive and control systems
Control systems
Industrial automation and control
FAE Expert Insights
"The RS-220uF-100V is ideal for 48V industrial power supplies and motor drive applications. The 220uF value provides good filtering for medium-power applications. I often use this capacitor in PLC power supplies and industrial control systems. The 100V rating provides good margin for 48V and 72V systems. In my experience, this capacitor offers excellent reliability when properly derated. I recommend operating at 80V or less for optimal lifetime."
Ideal for 48V power supplies; good for PLC applications; 100V rating provides margin
— Michael Zhang, BeiLuo
Frequently Asked Questions
What is the maximum ripple current for the RS-220uF-100V?
The rated ripple current is 0.7A at 85C and 120Hz. This rating ensures reliable operation in power supply applications with moderate switching frequencies. At lower temperatures, the capacitor can handle higher ripple currents. For high-frequency applications above 100kHz, the effective ripple current capability may be reduced due to increased ESR.
For applications exceeding 0.7A ripple current, consider using multiple capacitors in parallel or upgrading to a higher capacitance model.
What is the expected lifetime of the RS-220uF-100V?
The rated lifetime is 2,000 hours at 85C. Using the Arrhenius equation, we can calculate the expected lifetime at different operating temperatures. At 65C, the expected lifetime extends to 8,000 hours. At 45C, lifetime increases to 32,000 hours. Every 10C reduction in operating temperature approximately doubles the capacitor lifetime.
For maximum capacitor lifetime, operate at the lowest practical temperature with 80% voltage derating.
What voltage derating is recommended?
Industry best practice recommends operating aluminum electrolytic capacitors at no more than 80% of their rated voltage. For this 100V rated capacitor, the maximum recommended operating voltage is 80V. This 20% derating significantly improves reliability and extends operational lifetime.
Design your circuit to operate the capacitor at 80% or less of rated voltage for optimal reliability.
What is the operating temperature range?
This capacitor is rated for operation from -40C to +85C. At the maximum rated temperature of 85C, the capacitor achieves its rated lifetime of 2,000 hours. As operating temperature decreases, capacitor lifetime increases exponentially following the Arrhenius relationship.
For extended capacitor lifetime, minimize operating temperature through proper thermal design and ventilation.
What applications is this suitable for?
This capacitor is ideal for 48V DC power supplies, industrial controls, motor drives, and PLC systems. The 100V rating provides good margin for 48V and 72V systems. The compact size makes it suitable for space-constrained designs.
Perfect for 48V industrial applications where reliability and cost-effectiveness are important.