22uF 350V Electrolytic Capacitor
| Specification | Details |
| Voltage Rating | 350V DC |
| Tolerance | ±20% |
| Lead Spacing | ~5.0 mm |
| Polarity | Polarized (Negative Stripe) |
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| Specification | Details |
| Voltage Rating | 350V DC |
| Tolerance | ±20% |
| Lead Spacing | ~5.0 mm |
| Polarity | Polarized (Negative Stripe) |
Barcode:
9324310
The 22uF 350V Electrolytic Capacitor is a high-voltage passive component specifically engineered for power electronics and AC-to-DC rectification stages. With a robust 350V rating, it is a critical element in the primary filtering section of Switch Mode Power Supplies (SMPS), LED drivers, and industrial motor controllers. This capacitor provides the necessary energy storage to smooth out the rectified high-voltage DC bus, reducing ripple and ensuring stable operation of downstream components. Its 105°C temperature rating ensures long-term reliability even when housed in the compact, heat-intensive environments typical of modern power adapters and electronic ballasts.
High Voltage Handling: Capable of safely operating on DC buses up to 350V, making it ideal for 110V/220V AC rectification applications.
Stable Electrolytic Dielectric: Features high-purity aluminum foil and stable electrolyte fluid to maintain capacitance value over thousands of operational hours.
105°C Thermal Tolerance: Designed to resist the "drying out" effect caused by heat, significantly extending the life of the power supply.
Standard Radial Leads: Features tinned copper leads with standard spacing for easy through-hole mounting on professional PCBs.
Safety Venting: Includes an integrated top-side safety vent to prevent the casing from rupturing in the event of an electrical overload or reverse polarity.
Mounting Type: Through-hole (Radial).
Insulation: High-temp PVC sleeve with white polarity marking.
Body Style: Aluminum cylindrical can.
The "350V" Safety Margin: In a standard 230V AC mains system, the rectified DC voltage reaches approximately 325V DC (230V×1.414). This 350V capacitor is the industry standard for these applications, but ensure your circuit does not have high-voltage "ringing" that might exceed the 350V limit.
Discharge Before Handling: CRITICAL: High-voltage capacitors can hold a lethal charge long after the power is disconnected. Always use a high-wattage resistor (e.g., 1kΩ 5W) to safely discharge the capacitor before touching the leads. Never short the leads with a screwdriver, as the resulting spark can damage the capacitor's internal foils.
Polarity Verification: CRITICAL: Always connect the lead marked with the white stripe to the negative (-) rail of your DC bus. Given the high voltage involved, reverse installation will result in a violent failure (popping) of the capacitor.
ESR and Ripple Current: In SMPS designs, this capacitor handles significant ripple current. If the capacitor feels hot to the touch during operation, check your ripple current calculations. High heat will rapidly degrade the electrolyte, leading to a loss of capacitance and eventual circuit failure.
Series Connection: If your project requires a 700V rating, you can connect two of these in series. However, you must use "balancing resistors" in parallel with each capacitor to ensure the voltage is divided equally between them.
1 x 22uF 350V Electrolytic Capacitor
Disclaimer: This is a high-voltage component. Working with 350V DC is extremely dangerous and can be fatal. Ensure you have the necessary safety equipment and knowledge before integrating this into a project. Not intended for use by minors without professional supervision. Always verify the polarity before powering the circuit.
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My go-to site for electronic components and recently 3D prints. Hope they restock more drone components soon.
Service is so good that I can't explain 😍😃
Nice customer support. Genuine products and quick response from the RoboGears team.
Excellent range of robotics components. Very useful for student projects and DIY electronics.
Great STEM kits and electronics products. Perfect place for students and beginners.
Good product selection and excellent customer support. Highly recommended.
Shopping for innovative components is always a pleasure here. Staff is knowledgeable and helpful.
Best place I discovered recently. Got all my components and the staff is very polite.
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