
Product Name: SIEMENS SDR 150/30/50-1 Radiography X-ray Tube Assembly Product Type: Rotating Anode Diagnostic X-Ray Tube Manufacturer: SIEMENS Healthineers Model Specification: SDR 150/30/50-1 I. Model Code Explanation 150: Maximum radiographic tube voltage 150 kV 30: Maximum fluoroscopic power 30 kW 50: Maximum radiographic power 50 kW -1: Version number (other versions such as -3 are available for different generators) II. Core Specifications (Actual Measured / Tender Version) Focal Spot Size: Small focal spot 0.6 mm, Large focal spot 1.0 mm Target Angle: 12° Anode Heat Storage Capacity: 244 kJ (342 kHU) Anode Cooling Rate: 94 kJ/min (126.9 kHU/min) Housing Heat Storage Capacity: 1000 kJ (1400 kHU) Inherent Filtration: 1.0 mmAl; Total Filtration: 2.5 mmAl Filament Current: Small focal spot 5.4 A, Large focal spot 5.5 A Maximum Tube Current: Fluoroscopy 300 mA, Radiography 500 mA III. Structure & Components Rotating Anode X-ray Tube (Cathode + Anode Target + Rotor + Glass Envelope) Tube Housing (Lead Shielding + Insulating Oil) Stator Coil High Voltage Socket, X-ray Exit Window IV. Applicable Equipment Models Baorun: MobileApex 65A/B/C/E Mobile DR Aikrui: AKHX–55H-RAD Vehicle-mounted DR Domestic Fluoroscopy Systems, C-arms and General DR units (equipped with 50 kW generators)