
Mean Well
Mean Well - 50W Single Ouput DC - DC Converter - 12VDC
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Robust & Reliable Power Conversion for Demanding Applications
Experience stable and efficient power conversion with the Mean Well SD-50B-12, a high-performance 50W enclosed DC-DC converter. Designed for industrial-grade applications, this unit reliably steps down a wide 19-36V DC input to a steady 12V DC output, making it perfect for battery backup systems, transportation vehicles, and industrial automation. Its robust metal chassis and built-in EMI filter ensure low noise and dependable operation in challenging environments.
Core Features & Benefits
- Wide 2:1 Input Range: Accepts an input voltage from 19V to 36V DC, providing flexibility for various power sources.
- Stable 12V Output: Delivers a regulated 12V DC output with a 4.2A current capacity, ideal for sensitive electronics.
- Comprehensive Protection: Features integrated protection against short circuits, overload (105-150%), and over-voltage, safeguarding your connected devices.
- High-Integrity Isolation: 1500VAC I/O isolation enhances safety by preventing ground loops and reducing electrical noise.
- Built for Reliability: With a fixed switching frequency at 83kHz and a 100% full load burn-in test, this converter is built for long-term, maintenance-free operation.
- Certified & Compliant: Meets rigorous standards for safety and electromagnetic compatibility, ensuring seamless integration.
Technical Specifications
| Output Specifications | |
|---|---|
| DC Voltage | 12V |
| Rated Current | 4.2A |
| Rated Power | 50.4W |
| Ripple & Noise (max.) | 100mVp-p |
| Voltage Adj. Range | 11.4 ~ 13.2V |
| Input Specifications | |
| Voltage Range | 19 ~ 36VDC |
| Efficiency (Typ.) | 75% |
| Protection | |
| Overload | 105 ~ 150% rated output power. Hiccup mode, auto-recovers. |
| Over Voltage | 13.8 ~ 16.2V. Shut down o/p voltage, re-power on to recover. |
| Short Circuit | Hiccup mode, recovers automatically after fault condition is removed. |
| Environment & Physical | |
| Operating Temperature | -10 ~ +60°C (Refer to derating curve) |
| Dimensions (L x W x H) | 159 x 97 x 38 mm |
| Weight | 0.43 kg |
Manufacturer Technical Data
| Product Spec Sheet |
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Frequently Asked Questions
Answers to frequently asked questions
Does NexGen Computing conduct regular security audits?
Yes, we regularly conduct security audits and vulnerability assessments to identify and address potential security weaknesses, maintaining a high level of security and compliance with industry standards.
How can I stay informed about policy changes?
We reserve the right to update or modify our policies at any time. Changes will be posted on our website, and your continued use of our products and services constitutes acceptance of any changes.
Where can I find more information or ask additional questions?
For more information or assistance, please visit our website at www.nexgencomputing.co.za or contact us at support@nexgencomputing.co.za.
How does NexGen Computing handle shipping and delivery?
Orders are processed promptly, with delivery details provided at checkout. Tracking information will be emailed once your order ships.
What is the return and refund policy?
Refunds are typically issued for defective or incorrect items within 14 days of receipt. For detailed information, please refer to our Refund Policy.
Is my payment information secure?
Yes, all payments made on our site are processed securely on our domain using industry-standard security measures. Sensitive data, such as credit card numbers, are processed by PCI-compliant payment processors like Yoco, Paystack, and Peach Payments.





