Model No: LQG15WH3N3C02D
Murata Electronics LQG15WH3N3C02D
Manufacturer: Murata Electronics
SEMICON NO.: LQG15WH3N3C02D
Package: 0402 (1005 Metric)
Stock: In stock
Description: Multilayer Inductor 900 mA 80mOhm
SEMICON NO.: LQG15WH3N3C02D
Package: 0402 (1005 Metric)
Stock: In stock
Description: Multilayer Inductor 900 mA 80mOhm
Quantity :
| Mfr | Murata Electronics |
| Device Type | Multilayer Chip Inductor (Air Coil Type) |
| Series | LQG15WH_02 Series |
| Inductance | 3.3 nH |
| Inductance Tolerance | ±0.2 nH |
| DC Resistance (DCR) | 80 mΩ (Max) |
| Rated Current (Max) | 900 mA |
| Self-Resonant Frequency (SRF) | 6 GHz (Min) |
| ESD Rank | 1C (1 kV) |
| Shielding | Unshielded |
| Test Frequency | 100 MHz |
| Operating Temperature | -55°C to +125°C |
| Package | 0402 (1005 Metric) |
| Mounting Type | Surface Mount |
| Compliance | RoHS Compliant |
The LQG15WH3N3C02D is a high-precision multilayer chip inductor manufactured by Murata Electronics, featuring an inductance of 3.3nH with an exceptionally tight tolerance of ±0.2nH in a compact 0402 (1005 metric) surface-mount package. This device belongs to the automotive-grade LQG15WH series qualified to AEC-Q200 standards, ensuring reliable operation across an extended temperature range of -55°C to +125°C for demanding vehicle applications. The component achieves a Q factor of 23 minimum at 250MHz with a self-resonant frequency of 6GHz, while maintaining a maximum DC resistance of 80mΩ and supporting a rated current of 900mA. The multilayer construction employs thin-film patterning technology that delivers superior inductance accuracy and consistency compared to traditional wirewound alternatives, making this inductor optimal for impedance matching and RF circuit applications requiring precise component values.
Feature Highlights
● Ultra-Tight Tolerance: The ±0.2nH tolerance specification ensures precise inductance control critical for RF matching networks and filter circuits where component value variations directly impact frequency response and impedance characteristics.
● High-Frequency Performance: Self-resonant frequency of 6GHz enables effective operation in RF circuits up to several gigahertz, supporting modern wireless communication standards and high-speed digital applications.
● Low DC Resistance: Maximum DCR of 80mΩ minimizes power losses and heat generation, preserving battery life in portable devices and maintaining signal integrity in precision circuits.
● Current Handling Capability: Rated current of 900mA accommodates power applications while maintaining stable inductance characteristics, providing design flexibility across both signal and power circuit implementations.
Applications
The LQG15WH3N3C02D serves critical functions in RF and high-frequency circuit applications across multiple industries. In smartphone and mobile device RF front-end modules, it provides impedance matching between power amplifiers and antennas, ensuring maximum power transfer and signal efficiency. Wireless communication systems including WiFi, Bluetooth, and cellular applications utilize this inductor for filter networks, matching circuits, and frequency-selective components. Automotive telematics and infotainment systems leverage its AEC-Q200 qualification for reliable RF performance in vehicle environments. Additionally, GPS receivers, IoT devices, and wireless sensor networks employ this component for resonance circuits and impedance transformation where precision inductance values directly influence system performance and regulatory compliance.
● Ultra-Tight Tolerance: The ±0.2nH tolerance specification ensures precise inductance control critical for RF matching networks and filter circuits where component value variations directly impact frequency response and impedance characteristics.
● High-Frequency Performance: Self-resonant frequency of 6GHz enables effective operation in RF circuits up to several gigahertz, supporting modern wireless communication standards and high-speed digital applications.
● Low DC Resistance: Maximum DCR of 80mΩ minimizes power losses and heat generation, preserving battery life in portable devices and maintaining signal integrity in precision circuits.
● Current Handling Capability: Rated current of 900mA accommodates power applications while maintaining stable inductance characteristics, providing design flexibility across both signal and power circuit implementations.
Applications
The LQG15WH3N3C02D serves critical functions in RF and high-frequency circuit applications across multiple industries. In smartphone and mobile device RF front-end modules, it provides impedance matching between power amplifiers and antennas, ensuring maximum power transfer and signal efficiency. Wireless communication systems including WiFi, Bluetooth, and cellular applications utilize this inductor for filter networks, matching circuits, and frequency-selective components. Automotive telematics and infotainment systems leverage its AEC-Q200 qualification for reliable RF performance in vehicle environments. Additionally, GPS receivers, IoT devices, and wireless sensor networks employ this component for resonance circuits and impedance transformation where precision inductance values directly influence system performance and regulatory compliance.
FAQ
Q: What distinguishes the LQG multilayer series from Murata's LQW wirewound and LQP film series?
A: The LQG multilayer series balances cost-effectiveness with reliable performance, offering tight tolerances and automotive qualification, while LQW wirewound provides higher Q values and current capacity, and LQP film delivers the highest precision in miniature packages.
Q:How does the 6GHz self-resonant frequency impact circuit design considerations?
A: Designers should operate this inductor well below 6GHz to ensure inductive behavior, as operation near the SRF causes the component to exhibit capacitive characteristics, fundamentally altering circuit impedance and potentially degrading performance in matching and filtering applications.
Q: What distinguishes the LQG multilayer series from Murata's LQW wirewound and LQP film series?
A: The LQG multilayer series balances cost-effectiveness with reliable performance, offering tight tolerances and automotive qualification, while LQW wirewound provides higher Q values and current capacity, and LQP film delivers the highest precision in miniature packages.
Q:How does the 6GHz self-resonant frequency impact circuit design considerations?
A: Designers should operate this inductor well below 6GHz to ensure inductive behavior, as operation near the SRF causes the component to exhibit capacitive characteristics, fundamentally altering circuit impedance and potentially degrading performance in matching and filtering applications.
Alternative Multilayer Inductor Models
1. TDK MHQ1005P3N3ST000: This 3.3nH multilayer inductor offers identical electrical specifications in the same 0402 package with ±0.3nH tolerance, providing a direct cross-platform alternative for RF matching applications.
2. Coilcraft 0402DC-3N3: This ceramic core chip inductor features wirewound construction with exceptionally high Q values up to 160 at 2.4GHz and AEC-Q200 Grade 1 qualification, delivering superior performance for demanding RF applications.
3. Wurth Elektronik WE-KI 744765020A: This wirewound ceramic inductor provides equivalent 3.3nH inductance in 0402 format with robust construction and comprehensive design support including S-parameter models for simulation accuracy.
1. TDK MHQ1005P3N3ST000: This 3.3nH multilayer inductor offers identical electrical specifications in the same 0402 package with ±0.3nH tolerance, providing a direct cross-platform alternative for RF matching applications.
2. Coilcraft 0402DC-3N3: This ceramic core chip inductor features wirewound construction with exceptionally high Q values up to 160 at 2.4GHz and AEC-Q200 Grade 1 qualification, delivering superior performance for demanding RF applications.
3. Wurth Elektronik WE-KI 744765020A: This wirewound ceramic inductor provides equivalent 3.3nH inductance in 0402 format with robust construction and comprehensive design support including S-parameter models for simulation accuracy.
