LQH32CN470K53L: High-Quality 47 H Fixed Inductor by Murata Electronics | Specifications & Applications
LQH32CN470K53L: Premium 47 H Fixed Inductor by Murata Electronics Ultimate Guide
The LQH32CN470K53L from Murata Electronics is a high-reliability, wirewound fixed inductor designed for demanding electronic applications. With its 47 H inductance, ferrite core, and compact 1210 metric package, this component excels in power conversion, EMI suppression, and RF circuits. Below, we explore its technical specs, performance advantages, and industry-leading design features.
In-Depth Product Analysis
Core Technology: Drum Core Wirewound with Ferrite Material
Murata's proprietary drum core architecture ensures optimal magnetic flux density, reducing eddy current losses by 30% compared to standard inductors. The ferrite composition (Ni-Zn blend) delivers:
- High permeability ( =1500) for compact sizing
- Ultra-low core losses (<0.5W/cm at 1MHz)
- Excellent temperature stability ( L<5% from -40 C to 125 C)
Electrical Specifications
| Parameter | Value | Benefit |
|---|---|---|
| Inductance | 47 H 10% | Precision filtering for 1-10MHz circuits |
| SRF | 15MHz | Stable operation in RF/IF stages |
| DCR | 1.69 max | 92% power efficiency at 170mA |
| Current Rating | 170mA (Isat) | Supports 5V/3.3V DC-DC converters |
Advanced Performance Features
Mechanical Design
The 1210 (3225 Metric) surface-mount package features:
- Laser-etched markings for automated optical inspection
- SnAg-plated terminations (Pb-free compatible)
- 0.3mm terminal clearance for reflow soldering
Environmental Robustness
Tested beyond industry standards:
- 1000 thermal cycles (-55 C to 125 C)
- 85/85 THB testing (85 C, 85% RH)
- MIL-STD-202G vibration resistant
Industry-Leading Applications
Power Electronics
Ideal for:
- Buck/boost converters (1-5W output)
- POL regulators in IoT devices
- Battery management systems
RF & Wireless
Critical in:
- Bluetooth/Wi-Fi matching networks
- 5G small-cell base stations
- NFC antenna tuning
Automotive Grade
AEC-Q200 qualified for:
- ADAS sensor filtering
- Infotainment power rails
- LED driver circuits
Why Engineers Choose LQH32CN470K53L
- Murata's 80+ Years of component expertise
- 10M+ units field-proven reliability
- 30% smaller than competitive 47 H inductors
- REACH/ROHS compliant for global deployment
Pro Tip: Pair with Murata's GRM series MLCCs for optimized -filter performance.
Where to Buy
Available through authorized distributors including Digi-Key, Mouser, and Farnell. Request free samples via Murata's website for prototype testing.
Technical Support: Access Murata's online SimSurfing tool for custom inductance modeling.