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LDD-300HS MEAN WELL Power Supply | HTD Electronics
Manufacturer MEAN WELL

LDD-300HS

Availability: Out of stock
15.6 W52 V0.3 A9V–56V in

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LDD-300HS
Quantity Prices (CAD)
Quantity
Unit Price (CAD)
1+
$7.28 CAD
10+
$6.92 CAD
20+
$6.77 CAD
50+
$6.62 CAD
100+
$6.48 CAD
200+
$6.33 CAD
All prices are displayed in CAD. *Import tariff is included in the listed price. You pay exactly what you see—no surprise fees at checkout. Discounts are applied automatically based on the total quantity added to your cart.
Quick Specs
Input Voltage
9V~56V
Output Voltage
52V
Rated Current
0.3A
Power Rating
15.6W
Waterproof
Non-waterproof
Dimensions & Weight
1.25 x 0.79 x 0.44 in0.04 lbs

Datasheet (PDF)

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Features

DC/DC step-down converter
Constant current output: 300mA to 1500mA
Wide input voltage: 9~56VDC
Wide output LED string voltage: 2~52VDC
High efficiency up to 97%
Built-in EMI filter, comply with BS EN/EN55015 and FCC part15 without additional input filter and capacitors
Build-in PWM and remote ON/OFF control
Protections: Short circuit/Over temperature
Cooling by free air convection
Fully encapsulated with IP67 level for pin and wire style
Non-potted, optional conformal coating for SMD style(HSC type)
Compact size
Low cost, high reliability
Suitable for driving illumination LED
3 years warranty

General Specification 

Current accuracy ±3% at 24VDC input ; ±4% at 48VDC input for LDD-H/HW ; ±5% for LDD-HS
Over temperature protection Protection type : Shut down, recovers automatically after temperature goes down
Efficiency 97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS(typical)
Short circuit protection Regulated at rated output current
Working temperature -40°C to +85°C
EMC Compliance to EN55015 class B, EN61000-4-2,3,4,6,8, EAC TP TC 020
Temp. Coefficient ±0.03% / °C
Dimension (LxWxH) (mm) 31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch for LDD-HS
Potting material Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS

Similar Models

Same product family and output voltage, with the closest available power ratings.

Environmental Documents
📄 E6) COC-REACH (2026/01/28) 📄 E9) CMRT (2025/04/25) 📄 E14) COC-ROHS 2 (2015/863/EU) (2024/10/04) 📄 REACH Certificate (PDF) (2020/12/03) 📄 ROHS Certificate (PDF) (2020/05/29) 📄 E12) COC-ROHS 2 (2011/65/EU) (2016/10/01)
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