WPN201612HR47MT: High-Performance 470nH Shielded Fixed Inductor for Demanding SMT Applications

In today's rapidly evolving electronics landscape, the WPN201612HR47MT from Shenzhen Sunlord Electronics stands out as a premium solution for engineers requiring reliable, high-performance inductance in compact surface-mount packages. This comprehensive guide explores every aspect of this exceptional component, helping designers make informed decisions for their next project.

Why Choose the WPN201612HR47MT Inductor?

The WPN201612HR47MT represents the perfect balance of size, performance, and reliability. With its 470nH inductance and impressive 3.4A current rating, this shielded wirewound inductor delivers exceptional performance in power conversion, filtering, and noise suppression applications.

Detailed Technical Specifications

Core Construction and Materials

The inductor features a ferrite drum core with precision wirewound construction. Ferrite's high magnetic permeability and low conductivity make it ideal for high-frequency applications, minimizing eddy current losses while maintaining stable inductance across temperature variations.

Electrical Characteristics

• Inductance: 470nH 20%
• DC Resistance: 41m (max)
• Current Rating: 3.4A continuous
• Saturation Current: 3.95A
• Self-Resonant Frequency: 84MHz

Physical Dimensions

• Package: 0806 (2016 metric)
• Dimensions: 2.00mm 1.60mm 1.20mm
• Mounting: Surface mount (SMT)

Environmental Ratings

• Temperature Range: -40 C to +125 C
• Shielding: Fully shielded construction

Key Advantages Over Competing Inductors

1. Superior Current Handling

With 3.4A continuous current rating and 3.95A saturation current, the WPN201612HR47MT outperforms many inductors in its class, making it ideal for:

• DC-DC buck/boost converters
• Voltage regulator modules (VRMs)
• Power management ICs

2. Optimized High-Frequency Performance

The 84MHz self-resonant frequency and low DCR (41m max) ensure excellent performance in:

• RF circuits
• Switch-mode power supplies (500kHz-3MHz)
• EMI filtering applications

3. Space-Saving Design

The compact 0806 footprint (2.0mm 1.6mm) with just 1.2mm profile enables:

• High-density PCB layouts
• Miniaturized wearable devices
• IoT and mobile applications

Typical Applications

Power Electronics

• POL (Point-of-Load) converters
• Laptop/desktop VRMs
• LED driver circuits

Signal Integrity

• High-speed digital decoupling
• Differential mode noise filters
• Impedance matching networks

Wireless Systems

• RF front-end modules
• Antenna matching circuits
• Bluetooth/WiFi devices

Design Considerations

PCB Layout Recommendations

For optimal performance with the WPN201612HR47MT:

1. Maintain adequate clearance ( 0.5mm) from heat sources
2. Use thermal relief patterns for solder pads
3. Place ground vias near the inductor for best EMI performance

Thermal Management

While the shielded design minimizes radiation losses, designers should:

• Monitor temperature rise at maximum current
• Consider airflow in enclosed designs
• Use thermal imaging for critical applications

Comparative Analysis

Parameter	WPN201612HR47MT	Typical 0806 Inductor
Current Rating	3.4A	2.0-2.5A
DCR	41m	50-80m
SRF	84MHz	50-60MHz

Conclusion

The WPN201612HR47MT from Shenzhen Sunlord Electronics represents a best-in-class solution for engineers demanding high current capacity, stable inductance, and compact dimensions. Its combination of 470nH inductance, 3.4A current handling, and shielded construction makes it particularly valuable for:

• Space-constrained power applications
• High-frequency signal processing
• Noise-sensitive electronic systems

For designers working on advanced power electronics, telecommunications equipment, or precision measurement devices, the WPN201612HR47MT offers an optimal balance of performance and reliability. Its robust construction and consistent parameters across temperature variations ensure dependable operation in even the most demanding environments.

When selecting inductors for your next design, consider how the WPN201612HR47MT's superior specifications can enhance your circuit's efficiency, reduce footprint, and improve overall system reliability. Contact Shenzhen Sunlord Electronics or authorized distributors for samples and detailed application notes to maximize this component's potential in your designs.