As demand for miniaturized, high-frequency electronics surges, the TDK MHQ0402PSA3N7CT000 RF inductor emerges as a critical solution for designers. This 01005 (0402 metric) shielded multilayer inductor delivers precision (3.7nH ±0.2nH) and robust performance in ultra-compact form. Ideal for 5G, IoT, and wearable applications, its high self-resonant frequency (9.07 GHz) and wide temperature range (-55°C to +125°C) ensure reliability. Discover how this component addresses modern RF challenges and outperforms alternatives.
Product Overview
The MHQ0402PSA3N7CT000 from TDK is a shielded multilayer RF inductor designed for surface-mount applications requiring minimal footprint and high-frequency stability.
Core Parameters
| Parameter | Value | Source |
|---|---|---|
| Inductance | 3.7 nH ±0.2 nH | TDK Datasheet (MHQ-PSA Series) |
| Package | 01005 (0402 Metric) | |
| DC Current Rating | 200 mA max | |
| DC Resistance | 750 mΩ max | |
| Operating Temperature | -55°C to +125°C | |
| Self-Resonant Frequency | 9.07 GHz | |
| Dimensions (L×W×H) | 0.4 mm × 0.2 mm × 0.22 mm | |
| Termination | SMD/SMT | |
| Shielding | Shielded (Reduces EMI) | |
| RoHS Compliance | Yes |
Selection Guide
When choosing RF inductors for compact designs:
Frequency Range: Ensure the self-resonant frequency (SRF) exceeds your operating frequency (9.07 GHz for MHQ0402PSA3N7CT000).
Current Handling: Verify DC current rating (200 mA) matches circuit requirements.
Size Constraints: 01005 package suits space-constrained PCBs.
Tolerance: ±0.2nH precision supports stable RF matching.
Shielding: Critical for EMI-sensitive applications.
Figure 1: Selection flowchart for RF inductors (Source: TDK Application Note AN-1142)
Application Cases
5G mmWave Modules: Impedance matching in RF front-end circuits.
Wearable Sensors: Miniaturized RF filtering for Bluetooth/Wi-Fi.
IoT Devices: High-efficiency power conversion in sub-GHz bands.
Medical Implants: Stable performance across body temperature ranges.
Market Analysis
According to MarketsandMarkets, the global RF inductor market is projected to grow at 8.2% CAGR (2023–2028), driven by:
Proliferation of 5G infrastructure
Demand for sub-6 GHz and mmWave components
Adoption of 01005 packages in consumer electronics
TDK’s MHQ-PSA series holds ~22% market share in miniature RF inductors (TechInsights 2023).
Future Trends
Higher Frequencies: Components optimized for 24+ GHz bands.
Integration: Combined inductor-capacitor modules.
AI-Driven Design: Automated component matching for RF circuits.
Comparison with Similar Models
| Model | Inductance | Size | SRF | Current Rating |
|---|---|---|---|---|
| TDK MHQ0402PSA3N7CT000 | 3.7 nH ±0.2nH | 01005 | 9.07 GHz | 200 mA |
| Murata LQP03HQ3N7B02D | 3.7 nH ±0.3nH | 01005 | 8.5 GHz | 150 mA |
| Coilcraft 0402CS-3N7XGLU | 3.7 nH ±0.5nH | 0402 | 7.2 GHz | 300 mA |
Why Choose MHQ0402PSA3N7CT000? Superior SRF and tighter tolerance vs. competitors, ideal for high-frequency precision.
Frequently Asked Questions
Q1: Can this inductor handle 5G mmWave frequencies?
Yes, its 9.07 GHz SRF supports mmWave bands up to 28 GHz with proper circuit design.
Q2: Is reflow soldering recommended?
Yes, TDK specifies JEDEC J-STD-020 profiles for lead-free reflow (peak temp: 260°C max).
Q3: How does shielding improve performance?
Reduces crosstalk and EMI by containing magnetic fields, critical for dense PCB layouts.
Q4: What’s the typical Q-factor at 2.4 GHz?
~35 (per TDK test data), suitable for Bluetooth/Wi-Fi applications.
Q5: Are evaluation samples available?
Yes, contact sales@censtry.com for sample requests.
Conclusion
The TDK MHQ0402PSA3N7CT000 sets a benchmark for miniature RF inductors, combining precision, high-frequency capability, and ruggedness. As industries push for smaller, faster devices, this component delivers proven performance in 5G, IoT, and medical applications. For pricing, datasheets, or design support, reach out to our team at sales@censtry.com.
