Is Varnix a manufacturer or a trading company?

Varnix Technology Co., Ltd. is a power electronics manufacturer founded in 2003 with in-house welding, assembly, aging test and inspection lines, plus an export team. Our factory has been verified onsite by SGS.

What is the minimum order quantity?

Most catalog inverters and DC-DC converters start from 1 to 10 units depending on the model. OEM branding, custom voltages and custom housings are quoted per project volume.

Which certifications do your products carry?

Our quality management system is certified to ISO 9001:2015, and listed product series carry CE, RoHS and FCC certification. Test reports can be supplied with each project.

Can you customize input voltage, output power or branding?

Yes. We offer full, design-based and sample-based customization, including input and output voltage, power rating, housing, connectors, logo and packaging.

How do you ship to overseas buyers?

We ship worldwide under FOB, CFR, CIF, EXW, FCA, CPT, DDP, DDU and express delivery terms. Selected DC-DC converters are stocked in our US overseas warehouse for faster delivery.

What after-sales support do you provide?

A dedicated after-sales team responds 24/7. Warranty terms are written into every contract, and confirmed quality defects are resolved by repair, replacement or refund.

Since 2003

Product Description

Constant voltage design

SMT Process

Non-Isolated Module

Wide input range

Built-in EMI filter, low ripple noise

100% full load burn-in test

Certificates: CE

Waterproof level: IP67

Protections: Short circuit / Over load / Voltage / Automatic recovery work

Ultra compact size, light weight, high reliability

1 year warranty, lifetime up to 100,000 hours

Product Parameters

Product Name	AC DC Converter
Model	YK-AD1224S55
Input voltage	12/24Vac
Voltage range	10-26Vac
Output voltage	5Vdc
Output current	5A
Power	25W
Efficiency	90%
Working temperature	-40℃ ~ +80℃
Weight	100G
Size	584022mm
Installation length	13-15cm

Details Images

Recommend Products Range

BUCK DC-DC CONVERTER MODEL LIST
Model Series	Input-V	Output-V	Output Current
YK-DD1224S5**	12V/24V	5v	3A\|5A\|10A\|15A\|20A\|30A\|40A\|50A\|60A
YK-DD24S12**	24v	12v	1.5A\|3A\|5A\|8A\|10A\|15A\|20A\|30A\|40A\|50A\|60A\|85A\|100A
YK-DD24S13.8**	24v	13.8v	5A\|10A\|15A\|20A\|30A\|40A\|50A\|60A
YK-DD24S19**	24v	19v	5A\|10A\|15A
YK-DD36S12**	36v	12v	5A\|10A\|15A\|20A\|30A\|50A\|60A
YK-DD48S5**	48v	5v	5A\|10A\|15A\|20A
YK-DD48S12**	48v	12v	5A\|10A\|15A\|20A\|30A\|50A\|60A
YK-DD48S13.8**	48v	13.8v	5A\|10A\|15A\|20A\|30A\|40A\|50A\|60A
YK-DD48S19**	48v	19v	5A\|8A\|10A
YK-DD48S24**	48v	24v	3A\|5A\|10A\|15A\|20A\|30A\|40A\|50A
YK-DD60S12**	60v	12v	5A\|10A\|15A
YK-DD60S24**	60v	24v	5A\|10A
BOOST DC-DC CONVERTER MODEL LIST
Model Series	Input-V	Output-V	Output Current
YK-DD12S24**	12v	24v	1A\|2A\|3A\|5A\|8A\|10A\|15A\|20A\|25A\|30A\|40A\|50A
YK-DD12S19**	12v	19v	5A\|8A\|10A\|15A\|20A
YK-DD12S28**	12v	28v	3A\|5A\|8A\|10A\|15A\|20A\|25A\|30A\|40A
YK-DD12S48**	12v	48v	1A\|2A\|3A\|4A\|8A\|10A\|15A\|20A
YK-DD24S48**	24v	48v	3A\|5A\|10A\|20A\|30A\|40A
YK-DD24S36**	24v	36v	5A
BUCK & BOOST DC-DC CONVERTER MODEL LIST
Model Series	Input-V	Output-V	Output Current
YK-DD12S12**	8-40V	12V	1A\|2A\|3A\|5A\|6A\|10A\|15A\|20A\|25A
YK-DD12S13.8**	8-40V	13.8v	3A\|5A\|10A\|15A\|20A\|25A
YK-DD24S24**	9-40V	24v	2A\|3A\|4A\|6A\|10A\|15A

Frequently Asked Questions

What is the acceptable input voltage range for this module?

The nominal input voltage is 12/24Vac, with an operational input range spanning from 10Vac up to 26Vac.

Is this converter suitable for outdoor or wet conditions?

Yes, the unit features an IP67 waterproof rating, offering high resistance to water ingress, moisture, and dust, making it reliable for harsh environments.

What protections are built into this power converter?

It includes multi-layer protections: short circuit protection, over-load protection, over-voltage protection, and automatic recovery operation once abnormal conditions are cleared.

What is the working temperature range?

The converter can operate under a wide ambient temperature range from -40℃ to +80℃, engineered with efficient heat dissipation and durable SMT processing.

What is the conversion efficiency and noise performance?

This model delivers up to 90% conversion efficiency with low ripple noise, supported by a built-in EMI filter and 100% full-load burn-in test validation.