Waveguide Isolator & Circulator 0.82–328GHz 

Description

Shenzhen Huashi Waveguide Isolator & Circulator 0.82–328GHz 

Product Overview

Waveguide Isolator & Circulator (波导隔离器 / 波导环形器) is a high-performance microwave component product from HS Microwave. This manual compiles technical specifications for all models in the series, for engineering design, system integration, and procurement reference. All data is from original factory test reports, unmodified.

Key Features

• Unidirectional transmission, protects Tx from reflections
• Insertion loss as low as 0.25 dB
• Isolation ≥20 dB
• Excellent VSWR ≤1.2
• Aluminum alloy housing, lightweight
• Forward / reverse power protection
• Circulator supports 3-port cyclic transmission
• Ideal for radar & SatCom

Typical Applications

1. Radar Tx protection
2. SatCom uplink
3. PA output stage
4. Antenna diplexer
5. Microwave relay
6. EW transmitters

Models & Specifications

Type	Model	Freq(GHz)	IL(dB)	VSWR	Isol.(dB)	WG/Flange	Material	Power(W)	Rotation
隔离器	HS-SFMWI8R2G12R4G	0.82-1.24	0.25-0.3	1.15-1.2	20-21	WR-90/UG-39/U	铝合金	Fwd:100/Rvs:20	–
隔离器	HS-SFMWI18G26R5G	1.8-2.65	0.25-0.4	1.2-1.5	20-21	WR-42/UG595/U	铝合金	Fwd:25/Rvs:5	–
环形器	HS-SFMWC8G12R4G	8-12.4	0.25-0.3	1.15-1.18	20-21	WR-90/UBR100	铝合金	250	逆时针
环形器	HS-SFMWC18G26R5G	18-26.5	0.25-0.4	1.2-1.25	20-21	WR-42/UG595/U	铝合金	25	顺时针

 

General Specifications

Parameter	Specification
Impedance	Standard waveguide impedance
Operating Temp.	-40°C ~ +85°C
Storage Temp.	-55°C ~ +105°C
Rel. Humidity	≤95% (non-condensing)
Material	Aluminum alloy
Finish	Conductive oxidation / nickel
Mounting	Flange mount
Magnetic Circuit	Permanent magnet bias
Forward Power (typ.)	25–250 W (CW)
Reverse Protect Power	5–20 W (CW)

 

Model Naming Convention

HS – SFMW – X – f1 – f2

│     │      │    │     └─ f2 = End frequency

│     │      │    └─────── f1 = Start frequency

│     │      └──────── Port config (I=Isolator, C=Circulator)

│     └───────── SFMW = Waveguide Iso/Circ

└────────────── HS = Brand prefix