The XP POWER ISU0248S05 is a compact SMD isolated DC-DC converter. With an 18–75VDC input range and 5VDC/400mA output (2W), it features 1.5kV isolation for safety and noise reduction. Operating from -40°C to +95°C (with derating), it suits harsh industrial environments. Its low EMI design meets EN55032 Class A, while remote on/off control enhances system management. Ideal for industrial automation, communication equipment, and railway systems, its rugged design and efficient power conversion ensure reliability in space-constrained setups.
XP POWER ISU0248S05's Features
- Wide Input Voltage Range: It can work with an input voltage ranging from 18V to 75V, which makes it suitable for various industrial power supply systems with different voltage levels.
- Stable Output: It provides a stable 5V output voltage with a maximum output current of 400mA, offering a power output of 2W. This stable output is crucial for ensuring the normal operation of small - power electronic devices.
- High Isolation Voltage: With an isolation voltage of 1.5kV, it can effectively isolate the input and output circuits, preventing electrical noise and interference from being transmitted between the two sides. This is particularly important in industrial environments with high electromagnetic interference.
- Compact SMD Package: Housed in a 14 - pin SMD package with dimensions of 19mm in length, 17mm in width, and 8.7mm in height, it has a small volume and is easy to install on the PCB, which helps to save space on the circuit board.
- Low EMI: It has low electromagnetic interference characteristics, which complies with relevant industrial standards and reduces the impact on the surrounding electronic devices.
- Wide Operating Temperature Range: It can operate in the temperature range from - 40°C to + 95°C, which enables it to work stably in harsh industrial environments with extreme temperatures.
- Moisture - Sensitive: The device is moisture - sensitive, so proper handling and storage are required to avoid performance degradation due to moisture absorption.
- Remote On/Off Control: It supports remote on/off control. The "ON" state is an open circuit, and the "OFF" state is achieved by injecting 2 - 4mA current through a 1kΩ resistor into Pin 2 (relative to Pin 1), providing convenience for remote control of the power supply in industrial automation systems.
XP POWER ISU0248S05's Applications
The XP POWER ISU0248S05 is a compact surface-mount DC-DC converter suitable for industrial applications with high requirements for size, reliability, and environmental adaptability. Its specific application scenarios are as follows:
Industrial Automation and Control Systems
Scenario: Provides stable power for low-power electronic components in industrial automation equipment (e.g., PLC controllers, sensor nodes, actuators).
Advantages:
- Wide input range: Supports 18–75VDC input, adapting to various industrial power voltages (e.g., 48V battery systems or industrial bus power supplies).
- High reliability: Features short-circuit, overload, and undervoltage protection, as well as 1500VDC isolation, effectively resisting electrical interference and faults in industrial environments.
- Compact size: Only 19.0×17.0×8.7mm, suitable for integration into space-constrained control cabinets or distributed control systems.
Communication and Networking Equipment
Scenario: Used as an auxiliary power module for communication base stations, switches, routers, or power conversion in remote terminal units (RTUs).
Advantages:
- Remote control function: Supports Remote On/Off for system-level power management and energy-saving control.
- Efficient heat dissipation: Operates over a temperature range of -40°C to +95°C (derating curves apply), adapting to complex indoor/outdoor temperature environments in communication equipment.
- EMC compliance: Meets EN55032 Class A radiation standards, reducing interference with communication signals.
Medical and Instrumentation Equipment
Scenario: Serves as a power module for medical instruments (e.g., portable diagnostic devices, laboratory analyzers) or precision measurement equipment.
Advantages:
- Safety certifications: Complies with UL/cUL62368-1, EN62368-1, and other ITE (Information Technology Equipment) safety standards, meeting the electrical safety requirements for medical devices.
- Low noise characteristics: Ripple and noise ≤50mV pk-pk (20MHz bandwidth), avoiding interference with precision signal acquisition.
- No minimum load requirement: Suitable for medical devices with intermittent operation or light loads.
Railway and Transportation Systems
Scenario: Powers railway signaling equipment and vehicle-mounted electronic systems (e.g., surveillance cameras, communication modules).
Advantages:
- Wide temperature operation: -40°C to +95°C operating range, meeting the extreme temperature challenges of vehicle-mounted environments.
- Anti-interference capability: Passes EN61000-4 series immunity tests (e.g., ESD, surge, EFT), adapting to electromagnetic compatibility requirements in transportation.
- Long-life design: Mean time between failures (MTBF) of 64,000 hours (MIL-HDBK-217F standard), reducing maintenance needs.
Renewable Energy and Distributed Power
Scenario: Enables distributed power conversion in solar inverters, small wind power systems, or power management for off-grid devices (e.g., weather stations, environmental monitoring sensors).
Advantages:
- High efficiency: Typical efficiency of 78% reduces energy loss in renewable energy systems.
- Capacitive load support: Handles up to 1680μF capacitive load, adapting to dynamic charging/discharging requirements of energy storage capacitors or battery packs.
- Flexible packaging: Tape-and-reel packaging (-TR suffix) supports automated surface-mount production for large-scale deployment.
Other Application Scenarios
- Aerospace auxiliary equipment: Suitable for airborne electronic devices with stringent environmental requirements (customization needs confirmation).
- Test and measurement equipment: Integrates as a modular power supply in testing platforms to provide stable DC voltage output.
Selection Considerations
- Derating: Reduce load according to derating curves when ambient temperature exceeds 70°C (e.g., 70% rated load at 95°C).
- Peripheral configuration: Recommended to use external input capacitors (e.g., CHEMI-CON KY 220μF/100V) to optimize surge and interference resistance.
- Customization needs: For washable functionality, select models with the “-P” suffix (e.g., ISU0248S05-P).
With its compact design, wide input range, and multiple protection features, this module serves as a versatile solution for low-to-medium power conversion in industrial applications.
XP POWER ISU0248S05's Attributes
| Product Category |
Isolated DC/DC Converters - SMD |
RoHS |
True |
| Mounting Style |
SMD/SMT |
Number of Outputs |
1 Output |
| Output Power |
2 W |
Input Voltage, Min |
18 V |
| Input Voltage, Max |
75 V |
Output Voltage-Channel 1 |
5 V |
| Output Current-Channel 1 |
400 mA |
Isolation Voltage |
1.5 kV |
| Minimum Operating Temperature |
- 40 C |
Maximum Operating Temperature |
+ 95 C |
| Length |
19 mm |
Width |
17 mm |
| Height |
8.7 mm |
Industry |
Industrial |
| Product |
Isolated |
Series |
ISU02 |
| Input Voltage |
18 V to 75 V |
Moisture Sensitive |
Yes |
| Product Type |
Isolated DC-DC Converters |
Factory Pack Quantity |
10 |
| Subcategory |
DC-DC Converter |
Unit Weight |
0.158733 oz |
XP POWER ISU0248S05's Category-DC/DC Converter
DC/DC converters are critical components in modern electronic systems, core functions of which are to convert DC voltage from one level to another. They are widely applied in industrial automation, communication equipment, medical instruments and other fields. Such devices achieve energy conversion through high-frequency switching technology, featuring high efficiency, small size and strong isolation, thus meeting the strict power demands of different scenarios.
In industrial scenarios, DC/DC converters need to cope with challenges like wide voltage input, high electromagnetic interference (EMI) environments and extreme temperatures. For example, in automated production lines, equipment may face complex power supply networks of 18–75VDC. At this time, converters with a wide input range can avoid additional voltage adaptation circuits and improve system stability. Meanwhile, isolated DC/DC converters, through electrical isolation designs (such as 1500VDC isolation voltage), can effectively block noise conduction and protect precision electronic components from power grid fluctuations. This is crucial for the signal purity of medical devices and the reliability of industrial control systems.
In addition, efficiency and heat dissipation design are the core competitiveness of DC/DC converters. Converters with typical efficiency of over 78% can reduce energy loss. Combined with a compact surface-mount device (SMD) package (e.g., 19×17×8.7mm size), they can be integrated into miniaturized devices with high density. The wide temperature operating range of -40°C to +95°C ensures stable operation in extreme environments such as outdoor industrial control and vehicle-mounted electronics.
XP Power's ISU0248S05 represents this kind of high-performance DC/DC converter. As a member of the ISU02 series, it perfectly adapts to industrial automation, communication base stations and railway signal systems with its 18–75VDC wide input, 5VDC/400mA stable output and 1500VDC isolation characteristics. The compact SMD-14 package and remote switch control function further enhance its flexibility in distributed power management. Whether in industrial fields requiring surge resistance or medical devices sensitive to noise, ISU0248S05 serves as an ideal choice for medium and low-power conversion scenarios with its high reliability and environmental adaptability.
ISU0248S05's Manufacturer-XP POWER
XP Power has firmly established itself as a leader in the DC/DC converter domain. Their products span a wide power spectrum, from minuscule 2.4mW modules to robust 750W ones, catering to diverse sectors like medical, industrial, and consumer electronics.
One of their remarkable feats is the development of converters with ultra-wide input voltage ranges. For example, certain models can gracefully handle inputs from as low as 14V to as high as 160V DC. This not only reduces inventory complexities for customers but also broadens the applicability across various power sources. In the industrial realm, such wide input capabilities are a boon, allowing seamless integration into systems with fluctuating power supplies.
XP Power also excels in power density. Their compact designs, like the 20W JCM20 and JTK20 series in a minuscule 1 x 1 x 0.39-inch package, achieve an industry-leading 51W per cubic inch. These space-saving converters are perfect for portable and space-constrained applications, replacing larger packages and slashing PCB space requirements.
Moreover, they prioritize safety and compliance. Their DC/DC converters often come with high isolation voltages, up to 3kV in some cases, and meet stringent international standards such as EN50155 and EN50121-3-2 for railway applications, and medical certifications like IEC60601-1. This ensures their products are reliable and safe across different critical applications.
ISU0205S12 vs ISU0248S05 vs ISU0205S05
| Pictures |
 |
 |
 |
| Part Number |
ISU0205S12 +BOM |
ISU0248S05 +BOM |
ISU0205S05 +BOM |
| Manufacturer |
XP Power |
XP Power |
XP Power |
| Package |
SMD-14 |
SMD-14 |
SMD-14 |
| Description |
Efficient power conversion solution
with low EMI and high reliability
or use in industrial automation. |
SMD package reduces
PCB space requirement |
Compact and efficient, this SMD DC-DC
converter provides stable power for small projects. |
| Stock |
2195 |
3847 |
2835 |
| Product Category |
Isolated DC/DC Converters - SMD |
Isolated DC/DC Converters - SMD |
Isolated DC/DC Converters - SMD |
| RoHS |
True |
True |
True |
| Mounting Style |
SMD/SMT |
SMD/SMT |
SMD/SMT |
| Number of Outputs |
1 Output |
1 Output |
1 Output |
| Output Power |
2 W |
2 W |
2 W |
| Input Voltage, Min |
4.5 V |
18 V |
4.5 V |
| Input Voltage, Max |
12 V |
75 V |
12 V |
| Output Voltage-Channel 1 |
12 V |
5 V |
5 V |
| Isolation Voltage |
1.5 kV |
1.5 kV |
1.5 kV |
| Minimum Operating Temperature |
-40°C |
-40°C |
-40°C |
| Maximum Operating Temperature |
+95°C |
+95°C |
+95°C |
| Length |
19 mm |
19 mm |
19 mm |
| Width |
15 mm |
17 mm |
15 mm |
| Height |
8.5 mm |
8.7 mm |
8.5 mm |
| Industry |
Industrial |
Industrial |
Industrial |
| Product |
Isolated |
Isolated |
Isolated |
| Series |
ISU02 |
ISU02 |
ISU02 |
| Input Voltage |
4.5 V to 12 V |
18 V to 75 V |
4.5 V to 12 V |
| Moisture Sensitive |
Yes |
Yes |
Yes |
| Product Type |
Isolated DC-DC Converters |
Isolated DC-DC Converters |
Isolated DC-DC Converters |
| Factory Pack Quantity |
10 |
10 |
10 |
| Subcategory |
DC-DC Converter |
DC-DC Converter |
DC-DC Converter |
| Unit Weight |
0.158733 oz |
0.158733 oz |
0.158733 oz |
| Output Current-Channel 1 |
- |
400 mA |
- |
WlS Electronic holds a large inventory of XP Power ISU0248S05. We assure you that these are genuine and brand-new components, directly sourced from XP Power. If needed, we can provide quality test reports for the ISU0248S05. To obtain a quotation, simply fill in the desired quantity, your contact name, and your email address in the quick quotation form on the right. Our sales representatives will get in touch with you within 12 hours. You can contact us online at any time, or send an email to: SALES@WLSCHIP.COM.
