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MEAN WELL NLDD500H Constant Current Step-Down LED Driver

The MEAN WELL NLDD-H series is a 60W DC-DC LED driver featuring constant current output. Operating from 10-56VDC, it offers models with different rated current ranging between 350mA and 1400mA. With high efficiency up to 96%, the NLDD-H series is suitable for driving illumination LEDs and fits for class III or DC bus lighting applications. It includes built-in PWM and remote ON/OFF control, short circuit and over temperature protection, and is fully encapsulated with silicone for enhanced heat dissipation.

Authorized Distributors
Source:Newark
Part No:NLDD-500H
Stock:80
Inv Date:06-16-2026
Price: Unit price: $6.08
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Source:DigiKey
Part No:NLDD-500H
Stock:101
Inv Date:06-16-2026
Price: Unit price: $5.41
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Part No:NLDD-500H
Stock:12
Inv Date:06-17-2026
Price: Unit price: $4.57
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Part No:NLDD-500H
Stock:0
Inv Date:06-16-2026
Price: Unit price: $5.41
Buy/RFQ:
Part No:NLDD-500H
Stock:190
Inv Date:06-16-2026
Price: Unit price: $4.1869
Buy/RFQ:
Part No:NLDD-500H
Stock:190
Inv Date:06-16-2026
Price: Unit price: $4.1869
Buy/RFQ:

MEAN WELL NLDD500H Constant Current Step-Down LED Driver Specifications:

  • input_voltage: 10 ~ 56VDC (59VDC Max.)
  • output_current: 350mA to 1400mA
  • output_voltage: 6 ~ 52VDC (NLDD-500H)
  • output_current_accuracy: ±5% at 48VDC input
  • ripple_and_noise: 150mVp-p (NLDD-500H)
  • switching_frequency: 200KHz
  • input_efficiency: Up to 96% at full load and 36VDC/48VDC input
  • full_load_current: 490mA (NLDD-500H)
  • no_load_current: 5mA
  • pwm_frequency: 100 ~ 1KHz
  • quiescent_input_current: 2mA at PWM dimming OFF at 48VDC input
  • short_circuit_protection: Regulated at rated current
  • over_temperature_protection: Shut down, recovers automatically
  • working_temperature: -40 ~ +50℃
  • working_humidity: 20% ~ 90% RH non-condensing
  • storage_temperature_humidity: -40 ~ +85℃, 10 ~ 95% RH
  • temp_coefficient: ±0.03% /℃
  • vibration: 10 ~ 500Hz, 2G
  • operating_case_temp: 90℃ (max.)
  • soldering_temperature: Wave soldering: 265℃,5s; Manual soldering: 390℃,3s
  • safety_standards: LVD BS EN/EN61347-1, BS EN/EN61347-2-13; IEC61347 and EAC TP TC 004 approved
  • emc_emission: Compliance to BS EN/EN55015, BS EN/EN61547
  • emc_immunity: Compliance to BS EN/EN61000-4-2,3,4,6,8
  • mtbf: 29984.3K hrs min.

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Frequently Asked Questions

Where can I buy MEAN WELL NLDD500H?

You can click on the BUY or RFQ button to purchase NLDD500H from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part NLDD500H?

You can download the NLDD500H datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of NLDD500H?

MEAN WELL

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