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Isolated DC to DC 48V 60V 72V 84V 96V to 12V 5A 60W Step Down Converter
Product Description
Main Characteristics
1. Main Circuit Board
Constructed with high-quality fireproof board for enhanced operating safety.
2. Enclosure & Shell
The aluminum casing with shielding function significantly reduces conduction and radiation interference to peripheral equipment while optimizing heat dissipation.
3. Advanced Technology
Utilizes high-frequency inverter technology and an ISOLATED circuit design. The isolated converter provides superior stability and reliability compared to non-isolated designs.
4. Wide Input Range
Supports a broad voltage range of 40~135V DC, easily accommodating multiple battery voltage levels on electric vehicles, such as 48V, 60V, 72V, 84V, and 96V DC battery banks.
Product Applications
- Ideal for power conversion across diverse electric vehicles, including forklifts, electric handling vehicles, electric tour buses, golf carts, and mobility scooters.
- Functions as a reliable power supply unit for onboard instruments, accelerators, lighting systems, and ancillary vehicle electronics.
- Engineered for harsh operating environments, featuring strong resistance to extreme low/high temperatures, dust, and continuous vibration. Highly suitable for applications requiring superior electrical safety and ultra-low interference.
Key Advantages
- High Performance: High inverter frequency, fast dynamic response, compact footprint, lightweight construction, low energy consumption, and high operational efficiency.
- Enhanced Durability: Delivers significantly higher stability and operational reliability than standard non-isolated units.
- Precision Control: Broad resistance to wide voltage fluctuations with high control accuracy.
- Short Circuit Protection: Output automatically stops upon short circuit and resumes normal operation once the fault is cleared.
- Over Current Protection: Automatically cuts off operation when output current exceeds safe threshold limits.
Customized Range
| Model | Input | Output | |||
|---|---|---|---|---|---|
| Rate Voltage | Range Voltage | Voltage | Current | Power | |
| 12Vdc Series | |||||
| YK-DD40-135S1205 | 48/60/72/84/96Vdc | 40-135Vdc | 12V | 5A | 60W |
| YK-DD40-135S1210 | 48/60/72/84/96Vdc | 40-135Vdc | 12V | 10A | 120W |
| YK-DD42-90S1220 | 48/60/72Vdc | 42-90V | 12V | 20A | 240W |
| YK-DD42-90S1225 | 48/60/72Vdc | 42-90V | 12V | 25A | 300W |
| YK-DD42-90S1242 | 48/60/72Vdc | 42-90V | 12V | 42A | 500W |
| 24Vdc Series | |||||
| YK-DD40-135S242.5 | 48/60/72/84/96Vdc | 40-135Vdc | 24V | 2.5A | 60W |
| YK-DD40-135S2405 | 48/60/72/84/96Vdc | 40-135Vdc | 24V | 5A | 120W |
| YK-DD42-90S2410 | 48/60/72Vdc | 42-90V | 24V | 10A | 240W |
| YK-DD42-90S2412.5 | 48/60/72Vdc | 42-90V | 24V | 12.5A | 300W |
| YK-DD42-90S2421 | 48/60/72Vdc | 42-90V | 24V | 21A | 500W |
Technical Specifications
| Brand | YUCOO |
| Model / Name | YK-DD40-135S1205 40-135VDC Input to 12VDC 5A Isolated DC-DC Converter |
| Input Voltage | 40~135V DC |
| Input Current | ≤ 1.5A (Full load) |
| Working Frequency | 50KHz |
| Output Voltage | 12.2 ± 0.3V |
| Output Current | 0~5A |
| Long-term Load Range | 0-3A / 0-36W |
| Maximum Power | 60W |
| Efficiency | 86% |
| Voltage Stability | ≤ 1% |
| Load Stability | ≤ 1.5% |
| Insulation Resistance |
> 50MΩ between input and output > 50MΩ between input and housing > 50MΩ between output and case |
| Dimension |
126 * 53 * 36 mm 152 * 53 * 36 mm (with installation holes) |
| Weight | 200g |
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Frequently Asked Questions (FAQ)
What battery systems are compatible with this isolated DC-DC converter?
The converter features an ultra-wide input voltage range of 40V to 135V DC, making it fully compatible with 48V, 60V, 72V, 84V, and 96V DC electric vehicle battery configurations.
Why choose an isolated circuit design over a non-isolated one?
Isolated topology prevents direct electrical connection between input and output, protecting sensitive auxiliary electronics from high-voltage surges, eliminating ground loops, and providing superior noise suppression and long-term reliability.
What protection features are built into this converter?
The unit is equipped with automatic short circuit protection (recovering immediately after the short is resolved) and over-current protection to prevent damage under overloaded conditions.
Can this converter withstand harsh industrial conditions?
Yes. It features a solid shielded aluminum shell for optimal heat dissipation and EMI shielding, a fireproof circuit board, and high resistance to shock, vibration, dust, and temperature variations.
What output options and power ratings are available?
The series provides both 12V DC (5A to 42A) and 24V DC (2.5A to 21A) output options, covering power capacities ranging from 60W up to 500W to fit various electric vehicle accessories.
