company blog about In Stock: Full Range of LTCC High-Pass, Band-Pass, and Low-Pass Filters for 5G and RF/Microwave Applications

Mingjiada Offers In-Stock Supply: High-Performance LTCC Filter Series, Empowering 5G and RF/Microwave Applications

Introduction: With the rapid development of 5G communications, the Internet of Things (IoT), and high-frequency RF systems, market demand for miniaturized, high-performance components is growing steadily. Low-Temperature Co-fired Ceramic (LTCC) filters have become a core component of RF front-end design due to their exceptional high-frequency characteristics and high integration. Leveraging its extensive supply chain resources, Shenzhen Mingjiada Electronics Co., Ltd. (hereinafter referred to as “Mingjiada”) has long supplied a comprehensive range of LTCC filter products in large quantities, covering various types such as high-pass, band-pass, low-pass, and pass-line filters, helping engineers overcome high-frequency design challenges.

I. LTCC Technology: The Ideal Choice for RF and Microwave Applications

LTCC (Low-Temperature Co-fired Ceramic) technology is key to achieving miniaturization and high-frequency performance in RF components. Filters based on the LTCC process achieve complex circuit functionality within an extremely small package by co-firing multiple layers of ceramic dielectric with metal conductors. Compared to traditional filters, LTCC filters offer significant performance advantages: they are compact in size, support SMD surface-mount technology, and are suitable for high-density PCB integration; they deliver excellent high-frequency performance, maintaining low insertion loss and high suppression even in the millimeter-wave band (e.g., above 30 GHz); high reliability, featuring excellent temperature stability and resistance to moisture and corrosion, making them suitable for harsh operating conditions such as base stations and automotive applications.

II. Mingjiada LTCC Filter Product Matrix

Mingjiada offers a comprehensive line of LTCC filters in stock, covering a wide frequency range from DC to 58 GHz to meet the filtering requirements of various application scenarios. The following is an introduction to the core product categories and typical models:

1. LTCC High-Pass Filters

Mingjiada offers multiple high-performance LTCC high-pass filters covering the millimeter-wave band, making them an ideal choice for high-frequency signal extraction and low-frequency interference suppression. Typical models include:

18.3 GHz to 34 GHz Series: This series of LTCC SMT high-pass filters supports a passband range of 18.3 GHz to 34 GHz. Featuring standard SMD packaging, they are suitable for high-frequency front-ends such as satellite communications and point-to-point microwave transmission.

17.3 GHz to 33 GHz Series: Covering the 17.3 GHz to 33 GHz frequency range, these filters offer balanced insertion loss and return loss performance, making them suitable for 5G millimeter-wave base stations and test and measurement equipment.

25 GHz to 58 GHz Wideband Series: Utilizing a 1206 package, this series provides an ultra-wide high-frequency passband ranging from 25 GHz to 57 GHz (and 26.5 GHz to 58 GHz), offering a low-loss signal path for radar and aerospace applications.

30.5 GHz to 56.2 GHz Series: Optimized for E-band communications, this series provides precise high-pass cutoff characteristics.

4500 MHz to 18000 MHz General-Purpose Series: Covers 4.5 GHz to 18 GHz, suitable for microwave transceivers and instrumentation.

2. LTCC Bandpass Filters

Bandpass filters are used to pass signals within a specific frequency band while suppressing out-of-band spurious emissions. Mingjiada supplies the following models:

3.1 GHz to 3.5 GHz Thin-Film SMT Bandpass Filters: Optimized specifically for the 3.5 GHz band (such as certain 5G frequency bands), these filters combine thin-film technology with LTCC to provide high selectivity and low loss.

10.7 GHz to 14.2 GHz LTCC SMT Bandpass Filters: Covering key frequencies in the Ku-band, these are suitable for satellite downconverters and radar receivers.

2300 MHz – 2690 MHz Miniature Ceramic RF Balanced Filters: Designed for the 2.4 GHz to 2.69 GHz frequency band, these support balanced-to-unbalanced conversion and are commonly used in Wi-Fi and Bluetooth front-ends.

3. LTCC Low-Pass Filters

Low-pass filters are used to suppress high-frequency harmonics and ensure signal purity. Although not all models are shown here, Mingjiada can provide a variety of LTCC low-pass filters ranging from DC to high frequencies based on specific requirements, covering applications such as base stations and the Internet of Things (IoT).

4. LTCC SMT Thru-Line

Series such as DC to 23 GHz, DC to 18 GHz, and DC to 14 GHz: These 50Ω impedance LTCC thru-lines are not traditional filters, but as transmission line components manufactured using the LTCC process, they can be used for signal coupling or as test and calibration components. Mingjiada offers 0603 and SMD packages, with frequency coverage ranging from DC to 23 GHz.

III. Application Scenarios

The LTCC filters provided by Mingjiada are widely used in:

5G communication base stations and terminals: Signal filtering and interference suppression in high-frequency bands (e.g., 28 GHz, 39 GHz).

Satellite navigation and radar: Signal processing in the millimeter-wave band (>30 GHz).

Internet of Things (IoT) and Vehicle-to-Everything (V2X): Miniaturized surface-mount designs suitable for modular integration.

Test and Measurement Instruments: Ensuring signal purity for excitation and analysis.

IV. Supply Advantages

As a professional electronic component supplier, Mingjiada maintains a large stock of LTCC filters in stock at all times, supporting bulk orders in various package types, including SMD, 0603, and 1206. We are committed to supplying only genuine, original products and providing timely stock availability.

About Mingjiada

Shenzhen Mingjiada Electronics Co., Ltd. is committed to providing high-quality electronic component supply chain services to customers worldwide. Through a rigorous quality control system, the company ensures that all products are sourced from official channels of the original manufacturers. Our long-term expertise in fields such as LTCC filters and RF/microwave components has equipped us with a deep understanding of high-frequency product characteristics and the ability to respond quickly.