Samlex Converter DC-DC Step-Down In 20-32VDC Out 13.8VDC 23A SDC-23
MPN No: SDC-23
Expected ship date Feb 01 - 08
In Stock
$107.13
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SDC-23
MPN No: SDC-23
Expected ship date Feb 01 - 08
In Stock
$107.13
The Samlex SDC-23 is a rugged, high-current DC-DC step-down converter designed to power 12V equipment from 24–35V DC systems. Utilizing an advanced switch-mode design, it delivers a tightly regulated 13.8 VDC output at up to 20A continuous (23A peak), making it ideal for heavy vehicles, marine platforms, and industrial electronics where dependable voltage reduction is required.
20A Continuous / 23A Peak Output
Supports higher-demand 12V loads with current limiting at 24 ±0.5A for device protection.
High-Efficiency Switch-Mode Design
Delivers >88% efficiency at maximum output to minimize heat and energy loss.
Precision Voltage Regulation
Stable 13.8 VDC ±0.1 V output with excellent load regulation for sensitive electronics.
Comprehensive Protection Circuitry
Includes reverse polarity, over-voltage, cycle-by-cycle current limiting, overload, and short-circuit protection.
Compact, Heavy-Duty Construction
Compact and lightweight enclosure allows mounting in tight or remote locations.
Earth-Moving Equipment & Heavy Trucks
Power 12V accessories from higher-voltage vehicle systems.
Buses & Marine Vehicles
Reliable DC power for radios, lighting, and onboard electronics.
Industrial & Fleet Electronics
Stable voltage reduction for auxiliary control and communication devices.
Audio & Communication Systems
Supports CB radios, AM/FM sound systems, and 12V lighting.
CAUTION: There is no isolation between the input and the output. Input and output share a common negative.
Manufacturer Warranty: 2 years
| Specification | Details |
|---|---|
| Model | SDC-23 |
| Converter Type | DC-DC Step-Down (Non-Isolated) |
| Input Voltage | 20 – 35 VDC |
| Output Voltage | 13.8 VDC ±0.1 V |
| Continuous Output Current | 20 A |
| Peak Output Current | 23 A |
| Current Limit | 24 ±0.5 A |
| Efficiency | > 88% (at maximum output) |
| Ripple | < 50 mV p-p @ 20 A |
| Noise | < 120 mV p-p @ 20 A |
| Input Current (No Load) | < 150 mA |
| Operating Temperature | 0°C to 40°C |
| External Input Fuse | 32 V, 10 A |
| External Output Fuse | 32 V, 15 A |
| Input Wire Size | #10 AWG |
| Output Wire Size | #8 AWG |
| Dimensions | 2.4 × 7.8 × 4.8 in |
| Weight | 2.2 lbs |
| Warranty | 2 years |
Samlex is a global manufacturer of power conversion products founded in 1991 and based in Burnaby, Canada. They make inverters, battery chargers, converters, power supplies, solar charge controllers and related accessories for mobile, industrial, off‑grid, RV, marine and telecom uses. Samlex products are known for reliability, quality and broad international distribution.
The Samlex SDC-23 delivers stable, efficient 12V power at higher current levels—making it a dependable solution for professional vehicle, marine, and industrial installations requiring robust DC step-down conversion.
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