The MINGZINC MDA100-110S12 is a 100W isolated DC-DC converter designed to provide reliable 12VDC auxiliary power for railway signaling systems, railway communication cabinets, trackside equipment, monitoring systems and railway electronic controllers.
Featuring a wide 66–154VDC input, regulated 12VDC output, galvanic isolation, EMI-resistant design, and comprehensive industrial protection, it delivers stable power for railway equipment operating under voltage fluctuations, electrical transients, vibration, dust, humidity and extreme temperature conditions.
As a professional DC-DC converter manufacturer, MINGZINC supplies high-reliability industrial power modules for railway equipment manufacturers, railway system integrators and power distributors worldwide. We provide OEM power supply, ODM power supply and custom power supply solutions tailored to railway signaling, rail transit communication and intelligent transportation applications.
Product Highlights
100W Railway Isolated DC-DC Converter
Wide 66–154VDC Input Voltage
Stable Regulated 12VDC Output
Galvanic Isolation Design
High EMI Immunity
Fully Potted Construction
Excellent Moisture, Dust & Vibration Resistance
UVP / OVP / OCP / SCP / OTP Protection
High Reliability for Continuous Railway Operation
OEM & ODM Customization Available
Recommended Applications
Ideal for:
Railway Signaling Systems
Trackside Equipment
Railway Communication Cabinets
Railway Monitoring Systems
Railway Signal Controllers
Railway Electronics
Rail Transit Control Systems
Railway Communication Equipment
Intelligent Transportation Systems (ITS)
Railway Power Distribution Cabinets
Rail Infrastructure Monitoring Devices
I. model
Single-path
model | Input voltage (VDC) | Input voltage range (VDC) | Output voltage (VDC) | Output current (A) | Ripple (MV) | Efficiency (Typ) |
MDA100-110S12 | 110VDC | 66-154VDC | 12VDC | 8.33A | 120 | 84% |
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) |
110VDC | 66-154VDC |
IVOutput characteristics
power | 100W |
Output voltage | 12VDC |
Output current | 8.33A |
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

MINGZINC is a professional DC-DC converter manufacturer specializing in industrial power modules for railway transportation, industrial automation, communication systems, renewable energy and intelligent control applications.
We work closely with power distributors, power supply distributors, railway equipment manufacturers and system integrators, providing reliable OEM power supply, ODM power supply and custom power supply solutions for railway signaling and industrial infrastructure projects worldwide.
Whether you are looking for a DC-DC converter supplier, a trusted industrial power solution partner or a reliable railway power solution provider, MINGZINC offers flexible engineering support, stable manufacturing capacity and fast customization services for mission-critical applications.
Why Choose MINGZINC?
Professional DC-DC Converter Manufacturer
Trusted Power Distributor & OEM Partner Support
30W–20KW Custom Power Solutions
Wide Input & Output Voltage Customization
Galvanic Isolation for Railway Safety
Fully Potted Design for Harsh Railway Environments
EMI/EMC Optimized Engineering
Industrial-Grade Quality & Long-Term Reliability
Fast OEM & ODM Development
Long-Term Supply Capability
Global Technical Support