LD (3-90W) – 3-90W AC-DC On-board Converter
AC-DC On-board Converter series, 18 Models. 4000VAC isolation voltage. CE certified, CB certified, UL certified, CQC certified, RoHS certified, REACH certified.
Key Features
- 305VAC input reliable under all conditions
- 3-90W output power
- 4000-4200VAC isolation voltage
- Ultra-compact DIP package
- Operating temperature -40°C to +70°C
- Meet IEC/EN/UL62368, EN60335 standards
LD (3-90W) Model Specifications
| Model | Power | Input | Output | Current | Efficiency | Isolation |
|---|---|---|---|---|---|---|
| LD03-23B03R2 | 3W | 85-305 VAC / 100-430 VDC | 3.3 VDC | 900mA | 78% | 4000VAC |
| LD05-23B03R2 | 5W | 85-305 VAC / 100-430 VDC | 3.3 VDC | 1515mA | 80% | 4000VAC |
| LD10-26B05 | 10W | 90-528 VAC / 100-745 VDC | 5 VDC | 2000mA | 84% | 4000VAC |
| LD10-23B03R2 | 8.6W | 85-305 VAC / 100-430 VDC | 3.3 VDC | 2600mA | 84% | 4200VAC |
| LD10-2WB12 | 9.96W | 21.6-305 VAC / 18-430 VDC | 12 VDC | 830mA | 84% | 4000VAC |
| LD10-20B03R2-AU | 6.6W | 85-264 VAC / 100-370 VDC | 3.3 VDC | 2000mA | 84% | 4000VAC |
| LD15-23B03R2 | 13.2W | 85-305 VAC / 100-430 VDC | 3.3 VDC | 4000mA | 85% | 4200VAC |
| LD15-25B05R2 | 15W | 176-418 VAC / 248-591 VDC | 5 VDC | 3000mA | 85% | 4000VAC |
| LD20-26B05 | 18W | 90-528 VAC / 100-745 VDC | 5 VDC | 3600mA | 86% | 4000VAC |
| LD20-23B03R2 | 14.85W | 85-305 VAC / 100-430 VDC | 3.3 VDC | 4500mA | 86% | 4200VAC |
| LD25-25B03R2 | 16.5W | 176-418 VAC / 248-591 VDC | 3 VDC | 5000mA | 87% | 4200VAC |
| LD30-23B03R2 | 19.8W | 85-305 VAC / 100-430 VDC | 3.3 VDC | 6000mA | 87% | 4200VAC |
| LD30-26B03R2 | 19.8W | 176-528 VAC / 248-746 VDC | 3.3 VDC | 6000mA | 87% | 4000VAC |
| LD40-23B05R2 | 35W | 85-305 VAC / 100-430 VDC | 5 VDC | 7000mA | 88% | 4200VAC |
| LDE45-20B05 | 40W | 85-264 VAC / 100-370 VDC | 5 VDC | 8A | 88% | 4000VAC |
| LDE60-20B05 | 50W | 85-264 VAC / 100-370 VDC | 5 VDC | 10000mA | 89% | 4000VAC |
| LD60-23B05R2 | 50W | 85-305 VAC / 100-430 VDC | 5 VDC | 10A | 89% | 4200VAC |
| LD90-23B12R2 | 80.4W | 80-305 VAC / 110-430 VDC | 12 VDC | 6700mA | 90% | 4200VAC |
Applications
- Embedded systems and IoT devices
- Smart home and building controllers
- Metering and monitoring equipment
- Low-power standby power supplies
Product Overview
The LD (3-90W) is a professional-grade ac-dc on-board converter designed for demanding industrial environments. With a power range of 3-90W, this series offers 18 models with various output voltages to meet diverse application requirements. Key advantages include 4000vac isolation voltage, making it suitable for industrial automation, control systems, and embedded applications. All models are ce certified, cb certified, ul certified, cqc certified, rohs certified, reach certified certified, ensuring compliance with international safety and EMC standards. ModulesLink manufactures each unit under strict quality control with 100% load testing and burn-in procedures.
Technical Details
The LD series features ac-dc on-board converter architecture with input range of 85-305 VAC / 100-430 VDC / 90-528 VAC / 100-745 VDC / 21.6-305 VAC / 18-430 VDC / 85-264 VAC / 100-370 VDC / 176-418 VAC / 248-591 VDC / 176-528 VAC / 248-746 VDC / 80-305 VAC / 110-430 VDC, providing output options of 3.3 VDC, 5 VDC, 12 VDC, 3 VDC at up to 78% efficiency. The robust design incorporates comprehensive protection circuits including overcurrent protection (OCP), overvoltage protection (OVP), overtemperature protection (OTP), and short-circuit protection. The high isolation voltage ensures safe operation in noisy industrial environments, while the wide operating temperature range guarantees reliable performance in harsh conditions. Each model undergoes 100% electrical testing and aging tests before shipment.
Quality & Reliability
ModulesLink implements a rigorous quality management system certified to ISO 9001 standards. The LD series carries CE certified, CB certified, UL certified, CQC certified, RoHS certified, REACH certified certifications, demonstrating compliance with IEC/EN/UL safety standards and RoHS/REACH environmental regulations. Every power supply is subjected to 100% load testing, hi-pot testing, and thermal cycling before leaving the factory. The mean time between failures (MTBF) exceeds 500,000 hours under nominal conditions at 25°C ambient temperature. ModulesLink offers a 3-year warranty on all industrial-grade power supplies, reflecting confidence in product reliability.
Ordering Information
To order LD (3-90W) models, select the appropriate output voltage and power rating from the model list above. Each model number follows a standardized naming convention indicating output parameters. For OEM/ODM inquiries, custom output voltages, modified mechanical dimensions, or special input ranges can be accommodated with minimum order quantities (MOQ). Contact ModulesLink sales team through the Request Quote button for pricing, lead time, and technical support. Samples are available for qualified customers to evaluate before volume orders.