Product Overview
Waveguide Isolator & Circulator
0.82–328GHz 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
- Radar Tx protection
- SatCom uplink
- PA output stage
- Antenna diplexer
- Microwave relay
- 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
