Nanjing Airfly Electronic Technology Co., Ltd.
Nanjing Airfly Electronic Technology Co., Ltd.
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1-AF-400S50-3K-en
The AF-400S50-3K is a rugged, high-density DC-DC power supply engineered for demanding applications such as tethered drone brushless motor systems. With a compact footprint (167×99×53 mm) and IP67 protection, it delivers reliable performance in harsh environments.
Key Specifications:
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Input: 360–410Vdc (max 415Vdc)
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Output: 44–51.2Vdc / 65A (3000W continuous, 3400W peak)
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Peak Efficiency: Up to 98%
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Cooling: Forced air cooling
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Protections: Output overcurrent, short-circuit, overvoltage, and overtemperature protection
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Parallel Capability: Supports current sharing and redundant operation
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Weight: ≤0.95kg
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Operating Temperature: -40°C to +55°C
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MTBF: ≥100,000 hours
The module features seamless battery transition with no voltage transients, low ripple (<280mVp-p), and fast dynamic response. Its modular design ensures high reliability and ease of integration.
Perfect for industrial power systems requiring compact size, high efficiency, and robust environmental performance.