Available 24/7 at
0755-82798135Signal Transformer DMTT-300
DMTT-300 Supplier & Distributor
DMTT-300 is an electronic component from Signal Transformer. TomatoElec is an in-stock independent distributor supporting original component sourcing, inventory checks and BOM purchasing needs.
We support RFQ handling, component availability confirmation and sourcing coordination for OEM, EMS, repair and electronic trading companies.
- Original component sourcing support
- In-stock inventory checking
- RFQ and availability confirmation
- BOM sourcing and bulk order support
- Part No.:
- DMTT-300
- Manufacturer:
- Signal Transformer
- Category:
- Power Transformers
- Package:
- Datasheet:
-
DMTT-300.pdf
- Description:
- PWR XFMR LAMINATED 300VA CHAS MT
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:

- Shipping:

Inventory:0
Send us your inquiry,we will respond immediately.
About DMTT-300
Looking for DMTT-300 supplier or distributor? Tomato Electronics provides high-quality electronic components including MLCC capacitors, tantalum capacitors, ICs, diodes and more.
Contact us now for quotation and availability of DMTT-300.
DMTT-300 Specifications
- Specifications
- FAQ
- The Posts
- Attributes
- Property Value
- Manufacturer
- Signal Transformer
- Series:
- DMTT
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Laminated Core
- Voltage - Primary:
- 200V, 220V, 240V, 400V, 420V, 440V, 460V, 480V
- Voltage - Secondary (Full Load):
- Parallel 12V, Series 24V
- Current - Output (Max):
- Parallel 25A, Series 12.5A
- Primary Winding(s):
- Dual, Multiple Taps
- Secondary Winding(s):
- Triple
- Center Tap:
- No
- Power - Max:
- 300VA
- Mounting Type:
- Chassis Mount
- Termination Style:
- Terminal Block
- Size / Dimension:
- 104.80mm L x 128.10mm W
- Height - Seated (Max):
- 98.20mm
- Voltage - Isolation:
- 4000Vrms
- Weight:
- 9.9 lbs (4.5 kg)
- Category:
- Power Transformers
1. How to order DMTT-300 from Hong Kong Tomato Electronics Co., Limited?
You can submit an RFQ for DMTT-300 directly on our website. After receiving your request, our sales team will contact you with price, availability, lead time and order details. Once you confirm the quotation, we will help you complete the order process.
2. How does Hong Kong Tomato Electronics Co., Limited ensure that DMTT-300 is original and reliable?
Hong Kong Tomato Electronics Co., Limited works with qualified supply channels and applies strict quality control procedures for electronic components including DMTT-300. We pay close attention to supplier screening, product verification and delivery quality to help customers source with confidence.
3. Are the price and inventory of DMTT-300 accurate?
The price and inventory of DMTT-300 may change due to market conditions and stock movement. We update information as frequently as possible, but final quotation and availability should be confirmed by our sales team. In most cases, quotations are valid for 3 to 5 days.
4. What payment methods are accepted?
We usually accept Wire Transfer, PayPal, Alipay, WeChat Pay, Credit Card, Western Union and other agreed payment methods, depending on the order and customer location.
Please note that some payment methods may involve additional handling charges.
5. How is the shipping arranged?
Customers can choose major international carriers such as DHL, UPS, FedEx and other available shipping methods. Shipping options depend on package size, destination and delivery urgency.
After shipment, our team will send you the shipping status and tracking number by email.
Please note that tracking information may take some time to become active after dispatch.
6. What is the return or replacement policy for DMTT-300?
All shipments are checked before dispatch. If there is a confirmed issue related to the delivered DMTT-300, such as incorrect quantity, wrong item or verified product problem, please contact us as soon as possible.
Return or replacement requests are usually accepted only when the part remains unused and in its original packaging, and when the issue is reported within the agreed time after delivery.
Please contact our team first before returning any goods so that we can confirm the issue and provide return instructions.
7. How can I get technical support, such as the datasheet or specifications for DMTT-300?
If you need technical support for DMTT-300, including datasheets, specifications or general product information, please contact our sales team. We will do our best to help you obtain the relevant information.

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- Comparison
- Related
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| Part No. | DMTT-300 | DMTT-650 | DMTT-1000 |
| Manufacturer | Signal Transformer | Signal Transformer | Signal Transformer |
| Series | DMTT | DMTT | DMTT |
| Packaging | Bulk | Bulk | Bulk |
| Product Status | Active | Active | Active |
| Type | Laminated Core | Laminated Core | Laminated Core |
| Voltage - Primary | 200V, 220V, 240V, 400V, 420V, 440V, 460V, 480V | 200V, 220V, 240V, 400V, 420V, 440V, 460V, 480V | 200V, 220V, 240V, 400V, 420V, 440V, 460V, 480V |
| Voltage - Secondary (Full Load) | Parallel 12V, Series 24V | Parallel 12V, Series 24V | Parallel 12V, Series 24V |
| Current - Output (Max) | Parallel 25A, Series 12.5A | Parallel 54A, Series 27A | Parallel 83.3A, Series 41.7A |
| Primary Winding(s) | Dual, Multiple Taps | Dual, Multiple Taps | Dual, Multiple Taps |
| Secondary Winding(s) | Triple | Triple | Triple |
| Center Tap | No | No | No |
| Power - Max | 300VA | 650VA | 1000VA |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount |
| Termination Style | Terminal Block | Terminal Block | Terminal Block |
| Size / Dimension | 104.80mm L x 128.10mm W | 133.30mm L x 139.70mm W | 179.30mm L x 129.60mm W |
| Height - Seated (Max) | 98.20mm | 117.80mm | 154.90mm |
| Voltage - Isolation | 4000Vrms | 4000Vrms | 4000Vrms |
| Weight | 9.9 lbs (4.5 kg) | 20 lbs (9.1 kg) | 34 lbs (15.4 kg) |
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