SKU: 91404874541

Alfatronix DDi Series 12-12v Isolated DC-DC Converter - 72W (6A)

$77.57 $86.19
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Alfatronix DDi Series 12-12v Isolated DC-DC Converter - 72W (6A)The sensitivities of modern electronic equipment to variable input voltages, susceptibility to EMC interference and in some cases, the need to isolate the supply has made voltage stabilisation an important section of our product range. Start Stop technology on motor vehicles has added to this problem. The DDi Series offers a wide range of 12V 12V and 24V 24V isolated products that ensure a stable and reliable voltage can be delivered to important

The sensitivities of modern electronic equipment to variable input voltages, susceptibility to EMC interference and in some cases, the need to isolate the supply has made voltage stabilisation an important section of our product range. Start/Stop technology on motor vehicles has added to this problem. The DDi Series offers a wide range of 12V-12V and 24V-24V isolated products that ensure a stable and reliable voltage can be delivered to important equipment, even when the electrical system is under duress, such as during engine cranking. Units are available from 36-240W. The range now also offers 48V-12V units, suitable for the telecoms and forklift truck markets. For 12V-24V converters, see DD Series 'Up' Voltage Converters

A Comprehensive Product Range

There are three products in the 12V-12V isolator range from 36W to 108W and a further four products in the 24V-24V range from 72W to 240W. There are also three 48V-12V products from 36W to 108W. All products use modern switchmode designs and are built using the same concepts and technologies as the successful PowerVerter range, which will of course meet your 24V–12V requirements.

Fast Installation

All the units consume an off load current of less than 15mA, which is probably less than the self discharge current of the vehicle’s battery. All the products fit onto a “Click ‘n’ fit” mounting clip which is fixed in three points allowing it to be mounted onto uneven surfaces. It is easy to fit the clip into awkward places, then simply click the unit into position. The green LED indicates when there is output from the converter. This gives reassurance to the installation engineer and speeds fault finding.

Datasheet

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91404874541

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4.1 ★★★★★
Based on 23 reviews
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Product Reviews
N
Niki Noble
Fort Morgan, US
★★★★★ 5
Stylish, Comfortable, and Perfect for Active Days
Color: White, Size: 13-14 Years
This dress exceeded my expectations in both style and performance. The design is really cute and sporty, making it perfect not just for tennis or golf, but also for school, pickleball, or just an active day out. It has a clean, modern look that feels age-appropriate for teens while still being functional. The built-in shorts are a huge plus. They provide great coverage and stay in place during movement, so there’s no constant adjusting. The fabric is lightweight and breathable, which makes a big difference during warm weather or long practice sessions. It also has a nice stretch, allowing for a full range of motion without feeling tight or restrictive. Another thing I appreciate is how well it holds up after washing. The color stays vibrant, and the material doesn’t lose its shape or softness. It still looks new even after multiple wears. Overall, this is a great combination of comfort, practicality, and style. Whether it’s for sports or everyday wear, it’s a versatile outfit that delivers on quality and looks great too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
J
Josh/Katie
San Leandro, US
★★★★★ 4
Comfortable athletic dress with detached shorts
Color: Black, Size: 11-12 Years
I really like that the shorts are not attached. It makes bathroom breaks and outfit changes much easier with less hassle. The dress itself is thin and lightweight, which works well for warmer weather. The material feels good quality and breathable, and it stretches enough for movement during sports. This dress is definitely cute enough for casual wear as well. The size chart is accurate and the fit was just right. The separate shorts provide good coverage and are functional for activities like tennis or school sports. Overall, this dress works well for active wear, holds up nicely, and is worth the money for the comfort and design.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
B
Balp
Whiting, US
★★★★★ 5
Simplicity at its best for the Tennis loving Girl
Color: White, Size: 7-8 Years
Pros: - this is a very chic and simple White Tennis dress - and stands out for its classic look! - The fit was perfect for my 4’ 8 girl and a very comfortable fit. - the dress also comes with a matching pair of shorties with a pocket / pouch for a phone or keys. - the fabric is very soft on the skin and is more technical in nature - means it can breathe well and perspiration vents out. - the material is also very stretchable - imp for playing the game and moving around daily. - I have put it through couple of rounds of washings and it has held well till date. Cons: Nothing that I can think of - durability and quality seem to hold , offering good value for money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
A
AndyH
Battle Creek, US
★★★★★ 5
Nice modest sporty dress
Color: Navy Blue, Size: 11-12 Years
Nice soft dress with separate shorts. I love the color. We ordered a size 11-12 and it fits great. I wish it were a little more structured but it is very modest.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
C
Cargilper
Carnegie, US
★★★★★ 5
Adorable dress and fictional too
Color: Navy Blue, Size: 9-10 Years
This tennis dress is absolutely adorable and exactly what I look for in kids’ active wear. It’s modest, practical, and cute all at once! My daughter loves it, and the built-in shorts with pockets make it perfect for running, playing golf, pickleball, or just everyday summer fun. The material is soft, breathable, and moisture-wicking, so she stays comfortable even on hot days. I got size 9-10, which fits true to size. For reference, my 8-year-old is 52” and 63 lbs, and there’s still room to grow. This has quickly become a go-to outfit for summer activities because it’s stylish, functional, and kid-approved.
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Reviewed in the United States on February 8, 2026

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