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MEAN WELL SD-50A-12 DC/DC Converter, 12V Output, 18V Input, 4.2A, Chassis Mount, Regulated, 50.4W, 1.5kV Isolation, SD-50A-12
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Converters / DC-DC Converters MEAN WELL SD-50 DC/DC Converter, 12V dc/, 18V dc I |
| Brand | MEAN WELL |
| Efficiency | 72% |
| Length | 159mm |
| Model | SD-50A-12 |
| Depth | 38mm |
| Gross Weight | 430g |
| Width | 97mm |
| Mount Type | Chassis Mount |
| Series | SD-50 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -10°C |
| MTBF | 3293100h |
| Number of outputs | 1 |
| Ripple and Noise | 120mV Pk-Pk |
| Maximum Output Power | 50.4W |
| Maximum Input Voltage | 18V dc |
| Standards/Approvals | EN, EAC |
| Minimum Input Voltage | 9.2V |
| Output Voltage 1 | 12V dc |
| Output Current 1 | 4.2A |
| Output Voltage Adjustment Range | 21 V |
| Isolation Voltage | 1.5kV ac |
| Input Ratio | 2:1 |
| Input Ratio 2 | 1 |
| Wide 2 | 1 input voltage range |
Key Features
- Regulated 12V DC single output for stable performance.
- Wide input voltage range from 9.2V to 18V DC for industrial flexibility.
- Maximum output current of 4.2A with 50.4W power capacity.
- High isolation voltage of 1.5kV AC ensures safety and reliability.
- Chassis mount enclosure suited for secure installation and easy screw terminal connections.
- Ripple and noise limited to 120mV peak-to-peak for clean output.
- MTBF of over 3 million hours for dependable long-term operation.
- Operating temperature range from -10°C to 60°C meets various environmental demands.
Product Description
The MEAN WELL SD-50A-12 DC/DC Converter is an enclosed, isolated unit designed for industrial and electronic applications requiring regulated DC voltage conversion. This converter provides a single 12V DC output and supports a wide 2:1 input voltage ratio, accepting input voltages between 9.2V and 18V DC, making it highly versatile for various system requirements.
With a maximum output current of 4.2A and an output power of up to 50.4W, this converter can sustain demanding loads in power electronics, control panels, and automation circuits. Its regulated output ensures consistent voltage delivery, while ripple and noise are kept to a minimum at 120mV peak-to-peak, enhancing the reliability of sensitive electronic systems.
The SD-50A-12 model is designed for chassis mounting and utilizes screw terminal connections for practical installation. High safety is assured through a 1.5kV AC isolation voltage between input and output, protecting connected devices from electrical faults. Robust protections against short circuits, overloads, and overvoltage further enhance operational safety.
With an MTBF rating exceeding 3 million hours, the converter is engineered for long-term, reliable deployment in manufacturing, process control, HVAC, and other industrial environments. The operational temperature range from -10°C to 60°C allows usage in varied ambient conditions, supporting installations in demanding indoor and sheltered outdoor contexts.
Standard compliance includes EN and EAC approvals, and the unit features an adjustable output voltage range and EMC support for EN 55022 Class B. Applications include industrial control panels, automation, instrumentation, and power supplies for precision electronics.
The rugged enclosure, compact dimensions (159mm length, 97mm width, 38mm depth), and gross weight of 430g facilitate easy integration into equipment racks and enclosures. The LED power-on indicator provides immediate operational feedback. Designed specifically for reliability, this converter is suitable for commercial, industrial, laboratory, and process automation installations.
Discover more MEAN WELL converters and power electronics in DC-DC categories on EnvMart for broad industrial integration options.
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Frequently Asked Questions
The input voltage range for this model is from 9.2V to 18V DC.
The maximum output current is 4.2A, and it provides an output power of up to 50.4W.
This unit has dimensions of 159mm in length, 97mm in width, and 38mm in depth.
The isolation voltage between input and output is 1.5kV AC.
The operating temperature range is from -10°C to 60°C.
This converter is designed for chassis mounting, allowing for secure installation.
The ripple and noise is limited to 120mV peak-to-peak for the output.
This model has an efficiency rating of 72%.
It complies with EN and EAC standards.
The Mean Well SD-50A-12 has a mean time between failures (MTBF) rating exceeding 3 million hours.
The output voltage can be adjusted within a specified range to meet different application requirements.
This converter is suitable for applications in industrial control panels, automation, instrumentation, and power supplies for precision electronics.
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