Power Supply NIHON KOHDEN Cardiolife TEC-5521C Defibrillator UR-0262 6190-021599C52

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Here are the key characteristics of the NIHON KOHDEN Cardiolife TEC-5521C defibrillator power supply, described in English bullet points:

Core Functional Characteristics

• Dual-Input Power Design: It is designed to accept power from two primary sources: standard AC mains power (e.g., 100-240V) and a rechargeable internal DC battery pack. This ensures continuous operation during patient transport or in case of a power outage.

• Automatic and Seamless Switching: The power supply features intelligent circuitry that automatically and instantaneously switches between AC power and battery power without interrupting the device's operation. When AC power is connected, it powers the unit and simultaneously charges the battery.

• High-Voltage Generation: A fundamental and critical role of this power supply is to generate the high voltage required for defibrillation. It contains a specialized circuit (e.g., a flyback converter) that steps up the low DC voltage from the battery or AC adapter to the high voltages (often thousands of volts) needed to charge the internal capacitor for delivering a therapeutic shock.

• Multiple Output Voltages: It provides stable, regulated, and isolated low-voltage DC outputs (e.g., +5V, +12V, -12V, +3.3V) to power all other subsystems within the defibrillator, including the motherboard, CPU, display, amplifiers, and sensors. Each rail is precisely controlled to ensure reliable operation of sensitive electronics.

• Battery Management System (BMS): It incorporates sophisticated charging circuitry that manages the charging cycle (trickle charge, constant current, constant voltage) of the sealed lead-acid or lithium-ion battery to maximize battery life and prevent overcharging or deep discharge, which can damage the battery.

Safety and Reliability Features

• Robust Over-Current and Over-Voltage Protection: The unit is built with multiple protection circuits to safeguard both the defibrillator and the patient. It will automatically shut down or current-limit its outputs in case of a short circuit or voltage surge, preventing damage to critical components.

• High Degree of Electrical Isolation: The section responsible for generating the high-voltage shock is heavily isolated from the low-voltage control circuits. This isolation is crucial for patient and operator safety, preventing any leakage currents and ensuring the high-energy shock is delivered only through the patient cables.

• Thermal Management: It is designed with heat dissipation in mind, often using heat sinks and being strategically placed within the device's chassis to promote cooling. It may also include thermal shutdown protection to prevent overheating.

• Power Quality Monitoring: The power supply constantly monitors the quality of the incoming AC power and the status of the battery. It provides real-time data on battery level (e.g., "Fully Charged," "Replace Battery") and can trigger alarms for power faults or a depleted battery.

• Designed for Critical Care: As a component of a life-support device, it is engineered with high-reliability components and is built to much stricter tolerances than a consumer-grade power supply. It must perform flawlessly under the demanding conditions of an emergency medical situation.

Flat rate repair pricing available

Selling and replacing for Electrocardiogram Monitoring / Defibrillator / EGG / Fetal Monitor Repair and parts.

Inspection Judgment / Chip / Mainboard, Power Supply, ECG PCB, SPO2 PCB, NIBP PCB, Display, Keyboat Plate, Specification PCB, Rotary Knob Maintenrance.

Selling and replacing all kinds of PCB, Power Supply, ECG PCB, SPO2 PCB, NIBP PCB, Display, Keyboat Plate, Specification PCB, Rotary Knob.

Monitor / Electrocardiograph for renting, maintenance, guarantee repairing and training.

Included brands: GE, HeartStart MRX, Spacelabs, Siemens, Mindray, ZOLL, Medtronic, Tyco, NIHON KOHDEN, Masimo, Promeco etc.