0077051A7
Manufacturer
Model
0077051A7
Category
The C21576742 ferrite component is a surface mount inductor designed for noise filtering in consumer electronics and power conversion systems. Its compact ferrite core enables efficient EMI suppression in switch-mode power supplies while operating up to 500MHz frequencies. Critical design parameters include maintaining 300°C soldering limits, 100VAC voltage tolerance, and 0.5A continuous current rating. Best suited for IoT devices and renewable energy systems where space efficiency and cost constraints intersect, but requires careful thermal management and ESD protection during assembly.
Reference Pricing
Reference Stock
Specifications
| Dimensions | OD (A): 12.70 mm, ID (B): 7.62 mm, HT (C): 4.75 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
Filtering and noise suppression in electronic circuits, energy storage in switching regulators, and magnetic coupling in transformer-based designs.
Key Characteristics
- ROHS compliant
- compact ferrite core
- surface mount package
- high frequency operation capability
Application Domains
Basic Scenarios
- Switching power supply filtering
- RF/microwave circuit chokes
- Motor drive noise suppression
Extended Scenarios
- Renewable energy inverter systems
- IoT device power management
- Medical device magnetic coupling
Precautions
| Soldering | Maximum soldering temperature 300°C with 20-30 seconds exposure to prevent core degradation |
| Current Limit | Continuous current 0.5A ( peaks 1A with 10s duration) |
| Voltage Limit | Max working voltage 100VAC/150VDC |
| Thermal Management | Thermal resistance 70°C/W requires proper copper pour and airflow |
| Storage | Store in <10% RH environment below 30°C |
| Risk Warnings |
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Alternative Model Params
- Inductance tolerance ±5%
- Operating frequency 100MHz-500MHz
- DC resistance <50mΩ
- Operating temperature -40°C to +85°C
Design Recommendations
| Layout | Maintain 5mm clearance from high current paths |
| Thermal | Use thermal vias under component for heat dissipation |
| Compatibility | Verify with 12-24VDC input designs |
| Testing | Perform 500-cycle thermal cycling test |
Market Positioning
| Strengths |
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| Weaknesses |
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