75W 9-36VDC to 12VDC Isolated DC-DC Converter for Solar Monitoring & Industrial Control | MDA75-18S12
The MINGZINC MDA75-18S12 is a 75W isolated DC-DC converter designed to provide reliable 12VDC auxiliary power for solar monitoring systems, industrial automation equipment, RTUs, data loggers, and renewable energy communication devices.
Featuring a wide 9-36VDC input, regulated 12VDC output, 1500VDC galvanic isolation, and comprehensive industrial protection, it delivers stable power even in environments with voltage fluctuations, electrical noise, vibration, and harsh outdoor conditions.
With OEM and ODM customization available, the MDA75-18S12 is an ideal solution for system integrators, equipment manufacturers, and power distributors seeking dependable DC-DC power conversion solutions.
I. model
Single-path
model | Input voltage (VDC) | Input voltage range (VDC) | Output voltage (VDC) | Output current (A) | Ripple (MV) | Efficiency (Typ) |
MDA75-18S12 | 18VDC | 9-36VDC | 12VDC | 6.25A | 120 | 83% |
II.characteristic
1 | Input π-type filter |
2 | High power density |
3 | High reliability and long lifespan design |
4 | Easy to install, dual-ended cable output |
5 | Beautiful appearance design |
Conditions: Unless otherwise specified, all parameters are tested under the following conditions: ambient temperature 25°C, nominal input voltage, and purely resistive nominal load.
IIIInput characteristics
Rated Value (VDC) | Voltage range (VDC) |
18VDC | 9-36VDC |
IVOutput characteristics
power | 100W |
Output voltage | 12VDC |
Output current | 6.25A |
Voltage regulation (main circuit) | ±0.5% |
Load regulation (main route) | ±0.5% |
voltage accuracy | ±2% |
Current limiting point | 120%(Typ) |
V. Protective characteristics
1 | Input undervoltage protection |
2 | Input overvoltage protection |
3 | Over-temperature protection |
4 | Output overcurrent protection |
5 | Output short circuit protection |
General characteristics
Operating frequency | 100-200KHz |
Insulation resistance | 200MΩ |
Isolation voltage value
Input-Output | >1500VDC |
Input - Shell | >1050VDC |
Output - Housing | >500VDC |
Environmental characteristics
Operating case temperature | (Industrial products) | -25 – +85℃ |
(Army I) | -40 – +85℃ | |
Storage temperature | (Industrial products) | -45 – +105℃ |
(Army I) | -55 – +105℃ |
Mechanical dimensions and pin definitions
Product Highlights
75W Industrial Isolated DC-DC Converter
Wide 9-36VDC Input Voltage
Stable Regulated 12VDC Output
1500VDC Galvanic Isolation
High EMI Immunity
Fully Potted for Moisture & Vibration Resistance
UVP / OVP / OCP / SCP / OTP Protection
High Reliability for Continuous Industrial Operation
OEM & ODM Customization Available
Recommended Applications
Solar Remote Monitoring Systems
PV Monitoring Cabinets
Remote Terminal Units (RTU)
Solar Data Loggers
Renewable Energy Communication Equipment
Industrial Automation Systems
Environmental Monitoring Stations
Remote Control Equipment
MINGZINC supports OEM & ODM customization, flexible voltage configurations, and long-term supply for power distributors, equipment manufacturers, and industrial automation projects worldwide.