150 kV Rotating Anode X-Ray Tube Assembly for Diagnostic Radiography
The LQ16-XD57-20.50/150 is a rotating anode X-ray tube assembly designed for general diagnostic X-ray procedures. It provides a maximum radiographic tube voltage of 150 kV and a fluoroscopic rating of 125 kV, with dual focal spots of 0.6 mm and 1.2 mm.
The tube assembly uses a 73 mm rhenium-tungsten faced molybdenum target with a 12° target angle. Nominal anode input power is rated at 20 kW for the small focal spot and 50 kW for the large focal spot at 50 Hz, increasing to 22 kW and 54 kW respectively at 60 Hz.
This configuration is compatible with Canon E7876X and Varex RAD-12 replacement applications. Final compatibility should still be confirmed according to the X-ray generator, tube housing interface, high-voltage connection, stator configuration and installation dimensions of the existing system.
Key Features
150 kV Radiographic Rating
The tube assembly supports radiographic operation up to 150 kV and fluoroscopic operation up to 125 kV for general diagnostic X-ray applications.
0.6 / 1.2 mm Dual Focal Spots
Dual focal spots provide a 0.6 mm small-focus configuration and a 1.2 mm large-focus configuration for different exposure requirements.
20 / 50 kW Anode Input
At 50 Hz, nominal anode input power is 20 kW for the small focal spot and 50 kW for the large focal spot.
73 mm Rotating Anode
The target uses a 73 mm rhenium-tungsten faced molybdenum construction with a 12° target angle.
300 kHU Anode Heat Capacity
The rotating anode provides an anode heat content of 212 kJ, equivalent to approximately 300 kHU.
IEC 60526 HV Receptacles
The high-voltage receptacle configuration is designed to meet IEC 60526 interface requirements.
Air Cooling Options
The housing can be operated with natural or forced-air cooling according to the final system installation.
Replacement Compatibility
Suitable for replacement applications requiring compatibility with Canon E7876X and Varex RAD-12 type X-ray tube configurations.
Compatibility Reference
The LQ16-XD57-20.50/150 can be supplied for replacement applications compatible with the following X-ray tube configurations:
- Canon E7876X.
- Varex RAD-12.
- Diagnostic X-ray systems using matching 150 kV rotating anode tube specifications.
Compatibility should be confirmed before ordering. Please provide the existing X-ray tube model, equipment model, tube label photo and connector or mounting information whenever possible.
Typical Applications
This rotating anode tube assembly is designed for general diagnostic radiography equipment and related X-ray imaging systems using a compatible tube and generator configuration.
- General diagnostic X-ray systems.
- Digital radiography systems.
- Fixed radiography equipment.
- General hospital X-ray rooms.
- Diagnostic imaging centers.
- Replacement of compatible rotating anode X-ray tube assemblies.
Electrical Specifications
| Model | LQ16-XD57-20.50/150 |
|---|---|
| Tube Type | Rotating Anode X-Ray Tube Assembly |
| High-Voltage Generator | Constant Potential High-Voltage Generator |
| Grounding | Center-Grounded |
| Maximum Radiographic Voltage | 150 kV |
| Maximum Fluoroscopic Voltage | 125 kV |
| Minimum Tube Voltage | 40 kV |
| Small Focal Spot | 0.6 mm |
| Large Focal Spot | 1.2 mm |
| Small Focus Input Power | 20 kW @ 50 Hz / 22 kW @ 60 Hz |
| Large Focus Input Power | 50 kW @ 50 Hz / 54 kW @ 60 Hz |
| Maximum Filament Current | 5.3 A |
| Filament Frequency | 0–25 kHz |
Rotating Anode Specifications
| Target Diameter | 73 mm |
|---|---|
| Target Angle | 12° |
| Target Construction | Rhenium-Tungsten Faced Molybdenum |
| Anode Speed at 50 Hz | Approx. 2800 rpm |
| Anode Speed at 60 Hz | Approx. 3200 rpm |
| Anode Heat Content | 212 kJ / 300 kHU |
| Maximum Anode Heat Dissipation | 750 W / 1056 HU/s |
| Continuous Anode Input Power | 145 W / 200 HU/s |
Tube Housing and Thermal Performance
| X-Ray Tube Assembly Heat Content | 1000 kJ / 1410 kHU |
|---|---|
| Continuous Input Without Air Circulator | 275 W |
| Continuous Input With Air Circulator | 450 W |
| Normal Housing Temperature Range | 16–75°C |
| Cooling Method | Natural or Forced Air |
| Safety Protection | Housing Thermal Switch |
Mechanical Specifications
| Overall Length | Approx. 480 mm |
|---|---|
| Maximum Diameter | 152.4 mm |
| Weight | Approx. 17 kg |
| X-Ray Coverage | Approx. 420 × 420 mm at SID 1000 mm |
| Inherent Filtration | 1.0 mm Al |
| Additional Filtration | 1.5 mm Al |
| High-Voltage Receptacle | IEC 60526 Type |
Motor and Stator Configuration
| Motor Frequency | 50 / 60 Hz |
|---|---|
| Starting Voltage | 160 V |
| Running Voltage | 60 V |
| Starting Current | Approx. 3.5–5.5 A |
| Running Current | Approx. 1.0–1.5 A |
| Speed-Up Time | Approx. 1–1.2 s |
| Capacitor | 43 μF @ 50 Hz / 30 μF @ 60 Hz |
Operating Conditions
| Operating Temperature | +10°C to +40°C |
|---|---|
| Operating Relative Humidity | ≤75% |
| Operating Atmospheric Pressure | 70–106 kPa |
| Storage / Transport Temperature | -20°C to +55°C |
| Storage Relative Humidity | 0–93% |
| Storage Atmospheric Pressure | 50–106 kPa |
Replacement and Compatibility Check
An X-ray tube assembly is a replaceable service component, but replacement must be based on system compatibility rather than tube appearance alone.
Before ordering, the following items should be confirmed against the existing system:
- Existing X-ray tube model and manufacturer.
- Radiographic and fluoroscopic tube voltage.
- Small and large focal spot sizes.
- Tube input power.
- Target angle and target diameter.
- High-voltage connector type.
- Stator and motor requirements.
- Tube housing and mounting dimensions.
- Cooling configuration.
- X-ray generator compatibility.
Installation and Service Notes
X-ray tube installation should only be carried out by qualified technical personnel familiar with high-voltage diagnostic X-ray systems.
- Confirm the X-ray generator provides appropriate input protection.
- Connect the housing ground terminal correctly.
- Inspect and clean high-voltage plugs before installation.
- Use appropriate insulating compound according to the high-voltage connector requirements.
- Confirm beam-limiting and radiation-protection components before operation.
- Do not operate the tube assembly in flammable or corrosive atmospheres.
- Allow adequate cooling between exposures according to the loading conditions.
Before Ordering
To confirm replacement compatibility and prepare an accurate quotation, please provide the following information:
- Existing X-ray tube model.
- X-ray equipment brand and model.
- Clear photo of the existing tube nameplate.
- Photos of high-voltage connectors and mounting interface if available.
- Required quantity.
- Destination country.
- Generator model or electrical specifications if available.
- Required technical documentation or tender specification.
Request an X-Ray Tube Quotation
Need a replacement rotating anode X-ray tube for an existing diagnostic X-ray system? Send us the tube model, equipment model and nameplate photo so our team can review compatibility before quotation.
Send the Existing Tube Information
For the fastest compatibility check, please provide the current tube model, X-ray machine brand and model, tube nameplate photo, required quantity and destination country.
Frequently Asked Questions
Is the LQ16-XD57-20.50/150 compatible with Canon E7876X?
Yes. This configuration can be supplied for replacement applications compatible with Canon E7876X. Final equipment and interface compatibility should be confirmed before ordering.
Is it compatible with Varex RAD-12?
Yes. It is suitable for Varex RAD-12 compatible replacement applications, subject to confirmation of the installed X-ray system configuration.
What are the focal spot sizes?
The tube provides a 0.6 mm small focal spot and a 1.2 mm large focal spot.
What is the maximum tube voltage?
Maximum radiographic tube voltage is 150 kV, while the listed fluoroscopic maximum is 125 kV.
Can an X-ray tube be replaced without replacing the complete X-ray machine?
In many diagnostic X-ray systems, the X-ray tube assembly is a replaceable service component. The replacement tube must match the generator, electrical interface, mechanical mounting, stator, cooling and other system requirements.
What information should I provide for a compatibility check?
Please provide the existing tube model, X-ray machine model, tube nameplate photo and any available connector or mounting information.
