Product Description

Microwave Ferrite Technology, Inc.

Microwave Ferrite Technology, Inc. is a leading manufacturer of microwave ferrite materials for the wireless industry in China. We provide a wide range of products, from high-volume garnets for wireless infrastructure to specialized materials for radar applications.

Applications

Our materials are designed for:

• Above-resonance devices (100 MHz to ~3 GHz)
• Below-resonance devices (1 GHz to 40 GHz or higher)
• High-power and phase-shifting applications

Our Ferrites & Magnetic Materials

We offer a diverse range of advanced ferrite and magnetic materials, including:

• Narrow Linewidth Ferrites: Optimized for high-frequency applications with minimal resonance absorption.
• Aluminum & Aluminum-Gadolinium Substituted Garnets: Enhanced thermal stability for specialized microwave systems.
• Gadolinium-Substituted Garnets: Superior magnetic properties for advanced signal processing.
• Cobalt & Holmium-Doped Garnets: Performance-boosting materials for high-power microwave applications.
• Magnesium Spinels: Low-loss materials ideal for reduced magnetic interference in devices.
• Nickel Spinels: High magnetization and excellent thermal stability.
• Lithium Spinels: Ideal for discrete phase shifters with wide saturation magnetization properties.
• Permanent Magnets: Including ferrite and rare-earth magnets for industrial and scientific applications.

Key Characteristics

Our ferrites are engineered for high-frequency performance:

1. High specific electrical resistivity ( > 10 cm), ensuring low dielectric losses (tg: 10 to 10).
2. Dielectric permittivity ( 1015).
3. Excellent thermal stability across a wide temperature range.
4. High activity with minimal bias for optimal nominal parameters.
5. Saturation magnetization (4Ms: 4005000 G).
6. Narrow resonance linewidth (2H: 0.30.5 Oe for yttrium-iron monocrystals; 31000 Oe for polycrystalline ferrites).

Configurations

Our microwave ferrites and ceramics are available in various shapes and compositions, with precision manufacturing to meet custom requirements.

Shape	Dimensions	Details
Disc	Diameter: 1100 mm	Suitable for compact microwave components.
Plate	Max: 50.8 x 50.8 mm	Thickness: 0.53 mm, ideal for planar devices.
Triangle	Max Diameter: 50 mm	Used in specialized microwave applications.
Rod	Max Length: 200 mm	Designed for elongated magnetic components.
Composition	Ferrites & Dielectric Materials	Custom compositions available per request.
Precision	Tolerance: 0.02 mm	Custom sizes and drawings supported.

Microwave Ferrite Materials

1. Yttrium Iron Garnets (YIG):
   • Ideal for high-frequency devices in the lower microwave band.
   • Features: Narrow ferromagnetic resonance linewidth, low magnetic losses, high magnetization, and excellent thermal stability.
   • Enhanced with Cobalt or Rare-earth ions (Dy, Gd) for improved power stability.
2. Spinel-Based Materials:
   • Magnesium Spinels: Low coercive field strength, minimal magnetic and dielectric losses, suitable for non-resonance applications.
   • Nickel Spinels: Wide magnetization range, high thermal stability, ideal for resonance applications.
   • Lithium Spinels: Used in discrete phase shifters, offering low coercive field strength and a wide range of saturation magnetization.

Microwave Ferrite Datasheet

Ferrite Material Specifications

The table below provides detailed specifications for our microwave ferrite materials, categorized by series. All materials are engineered for high-frequency applications with low losses and excellent thermal stability.

Series	Name	Density (g/cm)	4Ms (Gauss)	' 5%	tg	H (Oe)	Hk (Oe)	Tc (C)
CVG	CY1900	5.16	1900 5%	14.8	210	10	2.0	230
CVG	CY1850	5.16	1870 5%	14.8	210	10	2.0	245
CVG	CY1800VT	5.16	1800 5%	14.8	210	10	2.0	260
CVG	CY1820	5.16	1820 5%	14.8	210	10	2.0	260
CVG	CY1800	5.05	1800 5%	14.7	210	35	4.0	210
YGD	CY1750G	5.20	1800 5%	15.4	210	35	4.0	270
YIG	CY1780	5.15	1780 5%	15.0	210	35	2.0	280
YIG	CY1760	5.15	1760 5%	15.0	210	35	20.0	280
CVG	CY1650	5.14	1650 5%	14.6	210	10	2.0	245
YGD	CY1600G	5.20	1600 5%	15.0	210	40	4.0	260
YGD	CY1500G	5.20	1500 5%	15.0	210	40	4.0	230
CVG	CY1400	5.15	1400 5%	14.5	210	10	2.0	230
YGD	CY1450G	5.20	1450 5%	15.1	210	50	5.5	275
YGD	CY1250G	5.20	1250 5%	15.0	210	50	5.0	265
CVG	CY1200-1	5.15	1200 5%	14.4	210	10	2.0	210
YAL	CY1200G	5.20	1200 5%	14.6	210	40	2.0	260
YGDAL	CY1100G	5.20	1100 5%	14.0	210	40	6.0	245
YAL	CY1000	5.20	1000 5%	14.0	210	25	2.0	210
CVG	CY1000-1	5.07	1000 5%	14.1	210	25	2.0	210
YGDAL	CY1000G	5.20	1000 5%	14.3	210	70	8.0	250
YAL	CY950	5.20	950 5%	14.3	210	25	2.0	200
YGDAL	CY850G-1	5.20	850900	14.3	210	50	8.0	225
YGDAL	CY750G	5.20	750 5%	14.3	210	40	8.0	225
YGDAL	CY800G	5.20	800 5%	14.3	210	40	8.0	225
YGDAL	CY500G	5.30	500 5%	14.0	210	45	8.0	200
YGDAL	CY700G	5.20	750 5%	14.5	210	45	8.0	210
YGDAL	CY600G	5.20	600 5%	14.5	210	55	6.0	225
YGDVAN	CY450G	5.20	450 5%	14.5	210	95	6.0	225
YGDVAN	CY500	5.15	500 5%	14.0	210	45	2.0	170
YGDAL	CY400G	5.20	400 5%	14.4	210	40	3.0	190
YAL	CY400	5.15	400 5%	14.4	210	50	2.0	160
LIZn	CY2600LI	4.35	2600 5%	16.0	510	300	3.0	390
LIZn	CY3400LI	4.35	3400 5%	16.0	510	300	3.0	390
LIZn	CY5000LI	4.35	5000 5%	16.0	510	300	3.0	390
NIZn	CY2000NI	5.20	2000 5%	13.0	510	500	10.0	500
NIZn	CY2200NI	5.20	2200 5%	13.0	510	500	10.0	500
NIZn	CY2300NI	5.20	2300 5%	13.0	510	500	10.0	500
NIZn	CY2500NI	5.20	2500 5%	13.0	510	500	10.0	500
NIZn	CY3000NI	5.20	3000 5%	13.0	510	500	10.0	500
NIZn	CY4000NI	5.20	4000 5%	13.0	510	375	13.0	500
NIZn	CY4500NI	5.20	4500 5%	13.0	510	400	10.0	470
NIZn	CY5000NI	5.20	5000 5%	13.0	510	400	10.0	470
Biev	CY1800H	5.35	1800 5%	21.0	210	200	9.0	195
Biev	CY1900H	5.95	1900 5%	21.0	210	45	2.0	235
Biev	CY1850H	5.95	1850 5%	21.0	210	45	2.0	265
Biev	CY1950H	5.95	1950 5%	21.0	210	80	15.0	285
Biev	CY1650H	5.95	1650 5%	21.0	210	80	15.0	285
Biev	CY1200H	5.95	1200 5%	20.7	210	45	2.0	195
Biev	CY800H	5.95	800 5%	29.0	210	60	4.0	195
MAGNESIUM	CY2000	4.60	2000 5%	13.0	2.510	600	15.0	290

Parameter Definitions

• Density (g/cm): Material density.
• 4Ms (Gauss): Saturation magnetization with 5% tolerance.
• ' 5%: Dielectric permittivity with 5% tolerance.
• tg: Dielectric loss tangent, indicating low dielectric losses.
• H (Oe): Ferromagnetic resonance linewidth, a key indicator of material performance in high-frequency bands.
• Hk (Oe): Anisotropy field linewidth, affecting material stability.
• Tc (C): Curie temperature, indicating the temperature stability range.

Material Series

• Li Ferrite Series: Low magnetic and dielectric losses, high temperature stability, high dielectric coefficient.
• Ni Ferrite Series: Excellent temperature stability, small ferromagnetic resonance linewidth, low dielectric loss.
• Ni Ferrite High-Power Series: Low losses, high surface density, excellent temperature stability.
• General Garnet Series: Low losses, good temperature stability, excellent compatibility.
• Narrow Linewidth Garnet Series: Small resonance linewidth, high stability, excellent surface quality.
• High-Power & Low-Temperature Coefficient Garnet Series: Low losses, high peak power tolerance, temperature stability.
• Microwave High-Q Ferrite Resonator Series: Small resonance linewidth, high-frequency performance, low temperature coefficient (<50 Hz/C), stable properties.

Advantages

• Quality Assurance: Our expert quality control team ensures each ferrite meets stringent standards.
• Versatility: Available in disc, triangular, or custom formats for isolators and circulators across radio-communication frequencies.
• Miniaturization: Ferrite-dielectric composites enable compact isolator/circulator designs with low deltaH (H) for reduced IMD.

Surface Treatment

Protective coatings include Ni-Cu-Ni, Zn, Au, Ag, Sn, Ti, TiN, Cr, and custom options per customer requirements.

Maintenance Guidelines

To maintain magnetic performance and prevent rusting, avoid exposure to:

• Acid or alkali liquids
• Organic solvents, electrolytes, water, or oil
• Hydrogen, chlorine, ammonia, or oxynitride gases
• Radiation or radioactive rays

Applications by Sector

• Garnet & Spinel Ferrites: Space, Defense, Telecommunications
• Ferrite-Dielectric Assemblies: Telecommunications

Contact Us

For more information, please reach out:
Microwave Ferrite Technology, Inc.

• E-mail: magnet886@gmail.com
• WhatsApp: +8615867408815
• Website: https://www.microwaveferrite.com

Optimal Ferrite Design for High-Power Isolators

Precision-engineered in China, this microwave ferrite enables high-efficiency isolation in 2.45GHz, 10kW industrial applications. Its composite structure and ceramic magnet are specifically developed for stability and reliability. Lightweight yet robust, the ferrites compact size simplifies integration while maintaining superior performance under rigorous conditions, making it ideal for critical use in MPCVD and similar systems.


Versatile Application and Reliable Power Handling

With a power tolerance of up to 10,000 watts and operating at 2450MHz, this ferrite is tailored for use in advanced microwave isolators. It provides effective electrical and magnetic isolation, ensuring consistent device operation and extended lifespan of sensitive equipment. Its application in ferrite isolators benefits a diverse range of industries, offering peace of mind through durable design and trusted supplier networks.