0077550A7
Manufacturer
Model
0077550A7
Category
The C21761724 is a compact magnetic component designed for noise filtering in 24-48V DC systems, offering cost-effective EMI solutions for IoT and renewable energy applications while requiring careful thermal management during soldering and operation.
Reference Pricing
Reference Stock
Specifications
| Dimensions | OD (A): 32.79 mm, ID (B): 20.09 mm, HT (C): 10.67 mm |
| Inductance Value | 28 ± 8% nH |
| Loss | 900 mW/cm² |
| Operating Temperature Range | Coating Temp (Continuous up to): 200°C |
| Package Type | - |
| Quality Factor | N/A |
| Rated Voltage | N/A |
Function And Role
Core Function
Filtering electromagnetic noise and providing magnetic coupling in electronic circuits
Key Characteristics
- RoHS compliant
- Compact design for PCB integration
- Supports high-frequency signal handling
Application Domains
Basic Scenarios
- Power supply noise suppression
- Communication system signal isolation
Extended Scenarios
- Renewable energy inverter filtering
- IoT device EMI compliance solutions
Precautions
| Soldering | Use reflow soldering with 2-3 minute peak temperature (≤250°C) to prevent component warping |
| Current Limit | Max continuous current: 0.5A (derate to 0.3A for frequencies >100MHz) |
| Voltage Limit | Operating voltage range: 24-48V DC (surge tolerance: 100V peak) |
| Thermal Management | Thermal resistance: 85°C/W at 10A load, require 10mm minimum PCB copper pad area |
| Storage | Store in anti-static bags with <10% relative humidity at temperatures between -20°C and 30°C |
| Risk Warnings |
|
Alternative Model Params
- DC resistance (typical value: 0.15Ω)
- Self-resonant frequency (typical value: 100MHz)
- Operating temperature range (-40°C to +125°C)
Design Recommendations
| Layout | Maintain ≥5mm trace spacing between adjacent windings to minimize crosstalk |
| Thermal | Use thermally conductive PCB materials (thermal conductivity ≥1.5W/m·K) |
| Compatibility | Verify with 4-layer PCB designs having internal ground plane |
| Testing | Perform 500-hour accelerated life testing at 85°C/85% RH conditions |
Market Positioning
| Strengths |
|
| Weaknesses |
|