0077040A7
Manufacturer
Model
0077040A7
Category
The C20912139 is a surface-mount inductor designed for cost-sensitive filtering applications in consumer electronics and IoT devices. It provides basic energy storage and EMI suppression capabilities with a 50V DC rating and 0.5A continuous current handling. Ideal for pre sale inventory in renewable energy systems and automotive sensor circuits where ROHS compliance and moderate thermal performance are required.
Reference Pricing
Reference Stock
Specifications
| Dimensions | OD (A): 10.16 mm, ID (B): 5.08 mm, HT (C): 3.96 mm |
| Inductance Value | Not provided |
| Loss | Not provided |
| Operating Temperature Range | Not provided |
| Package Type | - |
| Quality Factor | Not provided |
| Rated Voltage | Not provided |
Function And Role
Core Function
Inductive component for filtering, energy storage, and signal conditioning
Key Characteristics
- ROHS compliance
- surface-mounted packaging
- moderate power handling
Application Domains
Basic Scenarios
- Power supply noise filtering
- EMI suppression in consumer electronics
- DC-DC converter chokes
Extended Scenarios
- Renewable energy system inductors
- IoT device power management
- Automotive sensor signal conditioning
Precautions
| Soldering | Use 300-350℃ soldering temperature with 2-3 second exposure |
| Current Limit | Max continuous current: 0.5A (derate to 0.3A at +70℃) |
| Voltage Limit | Max working voltage: 50V DC |
| Thermal Management | Thermal resistance: 85℃/W (keep junction temperature below 85℃) |
| Storage | Store in anti-static packaging below 10℃ and 30% relative humidity |
| Risk Warnings |
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Alternative Model Params
- Inductance tolerance (±5%)
- Operating frequency range (10kHz-1MHz)
- DC resistance (<50mΩ)
Design Recommendations
| Layout | Maintain 5mm trace length between inductor and power supply pins |
| Thermal | Use thermal vias for heat dissipation in high-power applications |
| Compatibility | Verify with 3.3V/5V logic families |
| Testing | Perform in-circuit validation at 85℃/85% RH for 1000 hours |
Market Positioning
| Strengths |
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| Weaknesses |
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