01EC1157
Manufacturer
Model
01EC1157
Category
This 47uF/400V aluminum electrolytic capacitor provides reliable energy storage and filtering for power supplies, with extended use in motor drives and renewable systems. Its -25°C to +105°C operation range and 420mA ripple current handling make it suitable for industrial applications, though thermal management and ESR considerations require careful design integration.
Reference Pricing
Reference Stock
Specifications
| Capacity | 47μF |
| Dimensions | Φ13*25L |
| ESR | 0.20 |
| Frequency Response | 20Hz to +20 |
| Leakage Current | 391μA |
| Life | 4000 hours |
| Operating Temperature Range | -25℃ to +105℃ |
| Package Type | DIP,D13xL25mm |
| Rated Voltage | 400V |
| Temperature Coefficient | 2.40 |
Function And Role
Core Function
Filtering and energy storage in power supply circuits
Key Characteristics
- 47uF capacitance
- 400V voltage rating
- ±20% tolerance
- 420mA ripple current at 100kHz
- 13mm diameter and 25mm height
- 5mm pin spacing
- ESR not specified
- -25°C to +105°C operating temperature range
- 4000-hour lifespan at 105°C
Application Domains
Basic Scenarios
- Power supply filtering
- Decoupling in electronic circuits
- Energy storage in SMPS designs
Extended Scenarios
- Motor drive circuits
- Renewable energy inverter systems
- High-frequency decoupling in industrial equipment
Precautions
| Soldering | Avoid prolonged heat exposure (＞300°C) and static discharge during assembly |
| Current Limit | Max continuous current: 420mA at 100kHz |
| Voltage Limit | Max working voltage: 400V DC |
| Thermal Management | Thermal resistance: 65°C/W (requires heatsinking for >1W dissipation) |
| Storage | Store in <30% relative humidity, <40°C environment |
| Risk Warnings |
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Alternative Model Params
- Capacitance (47±5%)
- Voltage rating (400V DC min)
- Ripple current (≥420mA@100kHz)
- Temperature range (-40°C to +125°C)
- Diameter (13±0.5mm)
- Height (25±1mm)
Design Recommendations
| Layout | Place near power input pins for optimal filtering |
| Thermal | Use 10°C/W thermal relief for continuous operation |
| Compatibility | Verify ESR with circuit impedance (＞100kHz) |
| Testing | Check leakage current pre-assembly (≤0.1μA@25V) |
Market Positioning
| Strengths |
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| Weaknesses |
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