Nihon Kohden TEC-5521C TEC-5531C Defibrillator High-Voltage Board UR-0311
High-voltage circuit board assembly for compatible Nihon Kohden TEC-5521C and TEC-5531C defibrillators. The pictured board is marked UR-0311 and includes the attached wiring and mounting holder shown.
Product Overview
This board assembly is intended for use within compatible TEC-5521C and TEC-5531C defibrillators as part of the internal high-voltage system. The defibrillator, high-voltage capacitor, and other internal assemblies are not included unless specifically confirmed.
Application and Ordering Notes
Before ordering, compare the original board’s UR-0311 designation, PCB number, component layout, connectors, pin positions, attached wiring, mounting holder, and revision markings with the photograph. TEC-5521C and TEC-5531C hardware revisions may use different boards. Defibrillator high-voltage circuits can retain hazardous energy; installation and testing must be performed only by trained service personnel using appropriate discharge and safety procedures.
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Quality and Compatibility Notice
Compatibility information is provided for reference. Please verify the exact connector, model, and clinical application before ordering.




