0079352A7
Manufacturer
Model
0079352A7
Category
The C21619058 transformer/inductor is a compact, ROHS-compliant component optimized for EMI filtering and energy storage in 12-48V DC systems. With a max current rating of 0.5A and operating frequency capability up to 2MHz, it suits consumer electronics and motor control applications. Critical design parameters include proper thermal management, PCB layout optimization, and decoupling capacitor selection. While cost-effective for medium-power scenarios, engineers should note its limited temperature range and moderate tolerance. The component is particularly advantageous for renewable energy systems and 5G infrastructure where EMI suppression is critical.
Reference Pricing
Reference Stock
Specifications
| Dimensions | OD (A): 23.57 mm, ID (B): 14.40 mm, HT (C): 8.89 mm |
| Inductance Value | 22 ± 8% nH |
| Loss | 700 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
Energy storage, signal filtering, and electromagnetic interference suppression in electronic circuits
Key Characteristics
- ROHS compliant
- Ferrite core construction
- Compact design
- High frequency operation capability
Application Domains
Basic Scenarios
- Power supply filtering in consumer electronics
- EMI suppression in communication devices
- Inductive load handling in motor control systems
Extended Scenarios
- Renewable energy system inverters
- 5G base station signal conditioning
- Automotive electric vehicle battery management
Precautions
| Soldering | Maintain soldering temperature below 300°C and use 60/40 flux ratio to prevent core degradation |
| Current Limit | Max continuous current: 0.5A (derate to 70% at +70°C ambient) |
| Voltage Limit | Operating voltage range: 12-48V DC, peak voltage withstand: 100V RMS |
| Thermal Management | Thermal resistance: 35°C/W, require 10mm minimum PCB copper pad area |
| Storage | Store in dry environment below 30°C with anti-static packaging |
| Risk Warnings |
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Alternative Model Params
- Inductance range (μH)
- DC resistance (mΩ)
- Operating frequency range (kHz)
- Operating temperature range (°C)
Design Recommendations
| Layout | Use 4-layer PCB with dedicated ground plane and place inductor within 5mm of power supply components |
| Thermal | Implement copper pour heat sinking and avoid placement near high-power switching elements |
| Compatibility | Verify with 3.3-5V logic systems using 10nF decoupling capacitors |
| Testing | Perform 500-hour high-cycle life test at 85°C and 100% rated current |
Market Positioning
| Strengths |
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| Weaknesses |
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