220uF 16V SMD Aluminum Electrolytic Capacitor 6.3*7.7mm
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220uF 16V SMD Aluminum Electrolytic Capacitor | 6.3×7.7mm Compact Bulk Filter
The 220uF 16V SMD aluminum electrolytic capacitor is a compact surface-mount bulk filter cap used widely on PSU output stages, control board rails, and DC-DC converter outputs. It replaces failed solid-state caps in any 220µF / 16V SMD footprint.
Physical: 6.3×7.7mm SMD form factor. Electrical: ±20% tolerance at 120Hz / 20°C, working temperature -55°C to +105°C. Service life: 2000 hours at 85°C rated load.
When to Replace the 220uF 16V SMD Cap
- Visible bulging or leakage on the can top — replace immediately.
- ESR meter reads above 2× original spec — bulk filtering degraded.
- Output rail ripple elevated on scope after the cap position.
- Service-life refresh after 2000+ hours of high-temperature operation.
220uF 16V SMD Capacitor Specifications
| Feature | Specification |
|---|---|
| Type | Aluminum Electrolytic, SMD |
| Capacitance | 220µF |
| Voltage Rating | 16V |
| Tolerance | ±20% (120Hz, 20°C) |
| Form Factor | SMD (surface mount) |
| Dimensions | 6.3×7.7mm |
| Working Temperature | -55°C to +105°C |
| Rated Service Life | 2000 hours @ 85°C |
FAQ — 220uF 16V SMD Capacitor
Q: How do I tell when an SMD electrolytic cap has failed?
A: Visual: any swelling on the can top or rust spots = failed. Electrical: ESR doubled from original spec, or capacitance dropped below 80% nominal. Bench-test with an ESR meter for definitive diagnosis.
Q: Rework profile?
A: Hot air at 320°C with flux paste. SMD electrolytic caps have polarity — verify orientation matches the silk mark (negative-side bar) before reflow. Wrong orientation causes immediate failure under voltage.
Q: Can I substitute a higher-voltage variant?
A: Yes — upgrading to 25V or 35V rating is safe as long as the physical 6.3×7.7mm footprint still fits. Downgrading voltage is unsafe.
Q: Bulk pricing?
A: Yes — email contact@lys-sz.com for tape-and-reel quantities.
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Repair benches stocking 220µF 16V SMD caps in volume? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.
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