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DC-DC Buck Converter
DC Voltage Buck Converter, 36V to 12V
● 36V to 12V DC voltage buck converter, selectable 5-60A output current with up to 95% conversion efficiency.
● Output power from 60W-120W, input voltage range of 50A buck converter is 30-50V.
● The buck converter has short circuit, over current, waterproof IP68, over temperature, and over voltage protection.
● Used to step down 36V to 12V, suitable for applications in automotive systems, LED lighting, and industrial equipment.
$83.44
DC-DC Buck Converter, 12V/24V to 3.3V/5V
● 12V/24V to 3.3V/5V DC-DC buck converter, 100% full power, high stability output.
● 1-60A current available, power from 15W-300W, conversion efficiency up to 95%.
● DC-DC step-down converter with aluminum housing, IP68 sealing, pure copper inductor, and quality SMT components.
● Suitable for a wide range of DC-DC buck converter applications including automotive, industrial, and LED power systems.
$44.29
24V DC to 12V DC Converter, 1.5A/5A/30A-100A
● Supports 18-36V input and 12V output with 96% efficiency at 24V rated voltage. Available from 1.5A-100A.
● Built-in protections include short circuit, overcurrent, overvoltage, overtemperature, and waterproof design.
● IP68 waterproofing, high-reliability NCC/NICHICON capacitors, non-isolated design, 100% burn-in testing.
● Ideal for powering 12V devices in industrial systems, vehicles, solar setups, and communication equipment using a 24V power source.
$102.58
Buck Converter 48V to 12V, 5A/10A/20A-60A
● Buck converter 48V to 12V can choose the current 5A/10A/20A-60A, and the power can be selected from 60W-720W.
● 100% full-load aging tested, compact aluminum case, easy to install, wide voltage input with up to 95% efficiency.
● DC DC step down converter has short circuit, overcurrent, overvoltage, overtemperature protection, and waterproof function.
● Suitable for EVs, telecom, industrial control, solar systems, and DIY embedded power supply.
$82.17
Buck Converter DC to DC, 72V to 12V
● Buck converter DC to DC 72V to 12V with output current 5A/10A, output power 60W/120W.
● 5A/60W output with ±1% voltage regulation, 2% load regulation, 70mA no-load loss, and 120mV ripple & noise.
● Has short circuit, overcurrent, overvoltage, overtemperature protection, and IP67 waterproof rating.
● Suitable for electric vehicles, forklifts, communication systems, industrial control, and battery-powered devices requiring 12V output from a 72V DC source.
$56.99
DC Converter Step Down, 60V to 12V
● DC converter step down 60V to 12V offers selectable output currents of 5A/10A/15A/20A and output power from 60W-240W.
● 15A/180W output with ±1% voltage regulation, 2% load regulation, 70mA no-load loss, and 120mV ripple & noise.
● Includes short circuit, overcurrent, overvoltage, overtemperature protection, and IP68 waterproof capability.
● Widely used in EVs, industrial control, communication equipment, solar systems.
$82.29
DC DC Step Down Converter, 48V to 24V
● DC DC buck converter can step down the voltage from 48V to 24V and supports 3A/5A/10A-63A current output.
● Input voltage range is 32-60V, with 96% efficiency at 48V input, delivering up to 5A current and 120W rated power.
● Includes short circuit, overcurrent, overvoltage, overtemperature protection, and IP68 waterproof capability.
● Ideal for EV systems, industrial automation, telecom devices, solar power setups, and 24V equipment powered from 48V sources.
$72.14
DC Voltage Step Down Converter, 24V to 13.8V/15V/19V
● DC voltage step down converter provides output voltage 13.8V/15V/19V, output current 5A-100A, output power 69W-1380W.
● Has comprehensive protection with short circuit, over current, over voltage, and over temperature protection, and is built with an IP68 waterproof rating.
● 5A DC buck converter offers ±1% voltage regulation, 2% load regulation, low no-load loss of 70mA, ripple and noise of 120mV.
● Suitable for automotive power conversion, communication equipment, power tools, surveillance systems, and industrial automation.
$41.19
DC to DC Buck Converter, 48V to 13.8V/36V
● DC to DC buck converter can choose output voltage 13.8V or 36V, output current 5A-60A.
● 5A converter outputs 13.8V with a maximum current of 5A and power of 69W, ±1% voltage regulation, 2% load regulation, 70mA no-load loss, and 120mV ripple and noise.
● DC step down converter has short circuit, over-current, over-temperature, and over-voltage protection, along with a waterproof design for enhanced safety and reliability.
● Ideal for use in electric vehicles, solar power systems, industrial equipment, and communication devices requiring stable low-voltage output.
$55.39
Step Down Buck Converter, 72VDC to 24VDC
● Step down buck converter 72VDC to 24VDC can choose output current 5A/10A/20A, output power 120W/240W480W, conversion efficiency in 93%-96%.
● Maximum rated current of 5A, maximum power of 120W, ±1% voltage regulation, 2% load regulation, 70mA no-load loss, and 120mV ripple and noise.
● The DC buck converter operates in temperatures from -40℃ to +80℃, with 10%–90%RH humidity, and can be stored in temperatures ranging from -40℃ to +100℃.
● Used in industrial systems, alternative energy, golf carts, cars and forklifts, electromotors, telecommunications, boats and yachts, medical devices, LED marketplaces.
$58.59
20V-90V to 12V Step Down DC Converter, 5A/10A/15A-40A
● Wide 20‑90V DC input converts to stable 12V DC output.
● Available in multiple current options from 5A up to 40A to match different load demands.
● Delivers up to 95% working efficiency for step‑down voltage conversion.
● Built‑in overcurrent, short‑circuit and overtemperature protection for safe operation.
$61.85
18V-75V to 12V DC-DC Buck Converter, 20A 240W
● DC‑DC converter accepts wide 18‑75VDC input and delivers stable 12V output.
● Adopts natural cooling design with working efficiency reaching above 95%.
● Rated at 240W output power and supports hole mounting for easy installation.
● Built-in fuse and multiple protection functions provide reliable operation against short circuit, over voltage and over current.
$66.85
What Size DC-DC Converter Do I Need for 24V to 12V?
To size a 24V to 12V DC-DC converter, first determine the maximum current or power required by all 12V loads that may operate at the same time. At 12V output, divide the total load power in watts by 12 to estimate the required output current. Choose a converter with a continuous output rating above the calculated load, and allow additional capacity for motors, pumps, compressors, or other devices with startup current.
Output Current (A) = Total 12V Load Power (W) รท 12V
For example, a 120W 12V load requires approximately 10A. Instead of selecting a converter that will continuously operate at its maximum 10A rating, a higher-current model may be more suitable when operating margin or startup current is required.
24V to 12V Converter Sizing Examples
| 12V Load | Calculated Current | Converter to Consider |
|---|---|---|
| 30W | 2.5A | 5A / 60W |
| 60W | 5A | 10A / 120W if additional capacity is desired |
| 100W | 8.3A | 10A / 120W or larger |
| 150W | 12.5A | 15A / 180W or larger |
| 250W | 20.8A | 30A / 360W |
| 400W | 33.3A | 40A / 480W or larger |
PowerHome 24V to 12V DC-DC converters are available in multiple output ratings, allowing the converter to be matched to low-current electronics as well as higher-power 12V loads. When selecting a model, also confirm that the converter input range covers the actual voltage of your 24V source and check whether the application requires features such as waterproofing, electrical isolation, or additional startup capacity.
Min:
$41.00
Max:
$103.00
$41
$103
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