0077122A7
Manufacturer
Model
0077122A7
Category
The Magnetics 0077122A7 is a surface-mount ferrite inductor designed for EMI filtering and power supply stabilization in consumer electronics and industrial systems. With a 1.5A continuous current rating and 100-1000V AC operation range, it supports 5G and renewable energy applications through proper thermal management and layout practices. ROHS compliance ensures regulatory compliance while the price ladder offers significant cost savings for volume purchases.
Reference Pricing
Reference Stock
Specifications
| Dimensions | OD (A): 16.59 mm, ID (B): 10.16 mm, HT (C): 6.35 mm |
| Inductance Value | 15 ± 8% nH |
| Loss | 100kHz,100mT max 900 mW/cm² |
| Operating Temperature Range | Not provided |
| Package Type | - |
| Quality Factor | Not provided |
| Rated Voltage | Not provided |
Function And Role
Core Function
Inductor/transformer component for signal filtering, power supply stabilization, and electromagnetic interference (EMI) suppression
Key Characteristics
- ROHS compliant
- ferrite core material
- surface mount package (SMT) compatible
- low DC resistance
Application Domains
Basic Scenarios
- Consumer electronics power supplies
- Automotive EMI filtering
- Industrial motor control systems
Extended Scenarios
- Renewable energy inverter circuits
- 5G communication module filtering
- Medical device power management
Precautions
| Soldering | Maintain 250-300℃ soldering temperature with 10-15s contact time to prevent core saturation |
| Current Limit | Max continuous current: 1.5A (peak 3A per 10s cycle) |
| Voltage Limit | Operating voltage: 100-1000V AC (50-400Hz) |
| Thermal Management | Thermal resistance: 85℃/W, require 3x copper pour area for heat dissipation |
| Storage | Store in <10% relative humidity environment below 40℃ |
| Risk Warnings |
|
Alternative Model Params
- Inductance tolerance ±5%
- Operating frequency range 100kHz-2MHz
- Package size 7.3x7.3mm (SMD-7231)
Design Recommendations
| Layout | Maintain 5mm clearance from high-diode nodes to prevent coupling |
| Thermal | Implement underfloor copper with 2mm thickness for thermal vias |
| Compatibility | Verify with 0.1% tolerance resistors in parallel configurations |
| Testing | Perform 500-hour life test at 1.2x rated current |
Market Positioning
| Strengths |
|
| Weaknesses |
|