90W 19V 4.74A Medical Grade Power Adapter

The 90W 19V 4.74A Medical Grade Power Adapter is designed to deliver stable DC power for medical equipment requiring a regulated 19V input. With a maximum output of 90W, it is well suited for portable ultrasound systems, medical imaging displays, diagnostic workstations, and other healthcare devices that demand reliable performance during continuous operation.

Portable ultrasound equipment is widely used in emergency medicine, bedside examinations, outpatient clinics, and mobile healthcare services. These applications require a power adapter capable of delivering consistent voltage, low electrical noise, and dependable operation to support imaging accuracy and uninterrupted clinical workflows.

Built with medical-grade electrical isolation and comprehensive protection features, this adapter helps ensure safe and stable operation in medical environments. Its compact desktop enclosure offers efficient thermal performance while remaining easy to integrate into OEM medical equipment.

XJK POWER also provides customization services including output specifications, DC connector types, cable lengths, AC inlet options, product labeling, and certification support, helping medical device manufacturers accelerate product development and meet regional market requirements.

IEC/EN 60601 Medical Safety

Low Leakage Current

Compact & Lightweight

High Effficiency

120w power adapter
The 90W 19V 4.74A Medical Grade Power Adapter is engineered to provide reliable and efficient power for portable ultrasound systems, medical imaging displays, and diagnostic equipment. Designed with medical-grade safety, stable voltage regulation, and comprehensive protection features, it supports dependable operation in hospitals, clinics, and mobile healthcare environments. OEM customization is available for connectors, cables, labeling, and regional AC plugs.

Technical Specification

Input Connector/Plug Type

C14

Output Connector

BARREL CONNECTOR

Rated Power

90W

Output Voltage

19V

Output Current

3.75A

Model

XJKAD90W1900474-5525

Safety Standards

IEC/EN 60601

Typical Applications

Portable Ultrasound Diagnostic System

Portable ultrasound diagnostic systems have become increasingly important in modern healthcare. Compared with traditional cart-based ultrasound equipment, portable systems offer greater flexibility for point-of-care diagnostics, emergency medicine, rural healthcare, and veterinary applications.

Medical Display Systems

Designed for medical-grade LCD displays and diagnostic monitors used in operating rooms, imaging workstations, and clinical environments. High efficiency reduces heat generation during extended operation.

Handheld Diagnostic Equipment

From portable screening devices to compact clinical diagnostic instruments, space-saving embedded power design plays an important role in system stability and long-term usability.

Radiofrequency Electrosurgical Devices

Radiofrequency (RF) electrosurgical devices are widely used in general surgery, dermatology, gynecology, dental procedures, ENT, and veterinary applications. These systems generate high-frequency electrical energy to cut tissue and achieve precise coagulation while minimizing bleeding.

Key Engineering Features

Optimized for Portable Ultrasound Systems

Designed to provide stable 19V DC power for portable ultrasound scanners and other diagnostic imaging equipment requiring reliable external power.


Medical-Grade Safety Design

Designed to meet medical electrical safety requirements with reinforced insulation, low leakage current, and support for IEC 60601-1 compliance.


Stable Voltage for Sensitive Medical Electronics

Maintains regulated 19V output under varying load conditions, helping ensure consistent performance for imaging systems and embedded medical electronics.


Comprehensive Circuit Protection

Integrated protection features include:

  • Over Voltage Protection (OVP)
  • Over Current Protection (OCP)
  • Short Circuit Protection (SCP)
  • Over Temperature Protection (OTP)

These protections help improve system reliability and reduce downtime.

Electrical Performance

Parameter Specification
Product Type Medical Grade AC-DC Power Adapter
Rated Power 90W
Input Voltage 100–240VAC
Input Frequency 50/60Hz
Output Voltage 19V DC
Output Current 4.74A
Maximum Output Power 90W
Efficiency High Efficiency Design
Leakage Current Medical Grade Design
Protection OVP / OCP / SCP / OTP
Operating Temperature 0°C to +40°C
Storage Temperature -20°C to +70°C
Safety Standard IEC 60601-1 (Available)
EMC Standard IEC 60601-1-2 (Available)
DC Connector Customizable
AC Inlet IEC C8 / C14 (Optional)
MTBF Available upon request
Warranty Customizable according to project

Why This Adapter Fits Medical Devices

Low Leakage Current Design

Designed to keep patient leakage current within IEC 60601-1 safety limits for medical applications.

Stable Output Performance

Provides tightly regulated DC output with minimal voltage fluctuation under varying load conditions.

Compact for Portable Devices

Compact enclosure design optimized for integration into portable and space-constrained medical equipment.

IEC 60601 Compliance

Complies with IEC/EN 60601-1 safety standards for medical electrical equipment, including 2×MOPP isolation requirements.

Certifications

  • IEC/EN 60601-1 & 60601-2
  • CE(Europe)/UL/CB/UKCA
  • RoHS Compliance 
  • DOE Level VI

Engineering Resources

FAQ

Q1. What medical devices typically require a 90W 19V medical power adapter?

A 90W 19V medical power adapter is commonly used with portable ultrasound systems, medical imaging displays, diagnostic workstations, laboratory instruments, and other healthcare equipment requiring a regulated 19V DC input. The final selection should always match the device’s voltage, current, and connector specifications.


Q2. Why is 19V a common voltage for portable ultrasound equipment?

Many portable ultrasound systems are designed around a 19V DC architecture because it provides an efficient balance between power delivery, thermal performance, and compact system design. A regulated 19V supply also supports stable operation of imaging processors, LCD displays, and embedded electronics.


Q3. Can this medical power adapter be customized for OEM projects?

Yes. XJK POWER offers OEM and ODM customization, including output specifications, DC connectors, cable assemblies, AC plug types, labeling, enclosure modifications, and certification support to meet specific medical device requirements.


Q4. What certifications are available for this medical-grade power adapter?

Depending on the project requirements, the adapter can be supplied with compliance for IEC 60601-1 medical safety standards, along with supporting certifications such as CE, CB, UKCA, UL, and RoHS for different target markets.

Need a Custom Solutions?

We provide OEM&ODM customization for output voltage, current , connector, cable length, labeling and packaging .

Have a project in Mind?

Our engineering team is ready to support your medical power supply requirements.

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