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Explore practical applications of 22F 50V capacitors in audio, power, and timing circuits. Benefits, specs, sizing, and local tips for South African electronics.
22F 50V capacitors serve as filters, couplers, and timers in electronics.
Learn critical parameters: type, voltage, polarity, size, and local availability.
Identify common issues and learn best practices for reliable capacitor usage.
The 22F 50V electrolytic capacitor is a common value found in electronic circuits ranging from audio to industrial control. Its mid-sized capacitance and moderate voltage rating make it ideal for coupling, decoupling, smoothing, and timing roles. Widely stocked in South Africa by suppliers like Communica, these capacitors offer an excellent balance of size, affordability, and electrical performance for students, hobbyists, technicians, and engineers.
Choosing the right type depends on circuit requirements: for bulk filtering and audio, electrolytics dominate; for timing or low-leakage needs, consider tantalum or film alternatives, though 22F is usually electrolytic in this voltage range.
| Parameter | Typical Value/Range | SA Practical Note |
|---|---|---|
| Capacitance | 22F (20%) | Tolerances mostly -20/+20% |
| Rated Voltage | 50V DC | Choose at least 20% higher than max circuit voltage |
| Polarity | Polarised (electrolytic) | Observe polarity on PCB |
| ESR | Typical for electrolytic | Check if high-frequency stability is needed |
| Case/EIA Size | Radial, axial, SMD | Radial types most common locally |
Popular stocked brands at Communica include Rubycon, Nichicon, Panasonic, Lelon, and CapXon for both through-hole and SMD packages. Local branches in Samrand, Pretoria, and Cape Town let you confirm stock and collect as needed, with VAT invoicing for business and tertiary buyers.
In typical linear or switch-mode power supplies up to 35V output, 22F 50V capacitors smooth DC voltage after rectification. Parallel multiple units for increased capacitance or ripple current.
|----+-----||------ +V (DC output)
|
[22F/50V]
|
GNDUsed to block DC offset while allowing audio frequencies to pass between amplifier stages. Place in series with audio line.
Amplifier Out ---||--- Input (next stage)
[22F/50V]Combine with resistors for delays in basic timer or reset circuits. Formula for delay ():
Example: R = 100kOhm, C = 22F = 2.2 seconds
When sourcing from Communica, filter the Capacitors category for 22F 50V values across major brands. For urgent needs, check the branch hours for collection; most radial types are readily available off the shelf for student, maker, and light industrial use cases. Bulk orders can leverage VAT invoicing and business account services.
Always verify capacitors' polarity when building or repairing. For repeated trial/prototype work, keep several 22F 50V units on hand-affordably sourced in packs or reels through the Communica online store or over the counter.
Free shipping for orders over ZAR 1,000.00.
Get a full refund if you had the product for less than 7 days.
Nationwide delivery within 2 - 4 working days.
Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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