UWT1H221MNL1GS
Manufacturer
Model
UWT1H221MNL1GS
Category
The Nichicon UWT1H221MNL1GS is a 220uF, 50V SMD aluminum electrolytic capacitor designed for power supply filtering and energy storage. Key features include a 220mA ripple current rating, ±20% tolerance, and operation from -55°C to +105°C. It is optimized for industrial and consumer electronics requiring stable power delivery, with applications in motor drives, inverters, and medical devices. Proper thermal management and polarity awareness are critical for reliable performance.
Reference Pricing
Reference Stock
Specifications
| Capacity | 220μF |
| Dimensions | 6.3x5.4mm |
| ESR | 0.20Ω |
| Frequency Response | 50Hz~10kHz |
| Leakage Current | 3μA |
| Life | 2000 hours |
| Operating Temperature Range | -55~+105℃ |
| Package Type | SMD,D10xL10mm |
| Rated Voltage | 16V |
| Temperature Coefficient | ±100ppm/°C |
Function And Role
Core Function
Filtering and stabilizing voltage in power supplies, providing energy storage and decoupling.
Key Characteristics
- 220uF capacitance
- 50V voltage rating
- 220mA ripple current at 120Hz
- ±20% tolerance
- Operating temperature range: -55°C to +105°C
- 10mm diameter and 10mm height (SMD package)
Application Domains
Basic Scenarios
- Consumer electronics (power supplies, audio equipment)
- Industrial motor drives and inverters
- Telecommunications infrastructure
Extended Scenarios
- Renewable energy systems (solar inverters)
- Automotive electronic control units
- Medical devices requiring stable power
Precautions
| Soldering | Use reflow soldering with peak temperatures ≤250°C; avoid prolonged exposure to heat. |
| Current Limit | Max ripple current: 220mA (exceeding causes thermal failure) |
| Voltage Limit | Max working voltage: 50V (reverse polarity or overvoltage leads to blistering/rupture) |
| Thermal Management | Thermal resistance: 50°C/W; ensure proper heat dissipation in high-power circuits |
| Storage | Store in <30% relative humidity, <40°C environment; avoid mechanical stress |
| Risk Warnings |
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Alternative Model Params
- Capacitance (180-240uF range)
- Voltage rating (45-55V range)
- Ripple current (200-250mA range)
- Operating temperature (-40°C to +105°C)
Design Recommendations
| Layout | Place close to power entry points; maintain 5mm trace width for high current paths |
| Thermal | Use copper pours >100mm² for heat sinking; consider thermal vias in multilayer boards |
| Compatibility | Verify with ESR requirements in switching regulator circuits |
| Testing | Perform 100-hour life test at 105°C to validate reliability |
Market Positioning
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| Weaknesses |
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