Mfr Part #:

DMA21248S12

Mfr Name: XP Power

The XP Power DMA21248S12 is an open-frame DC-DC converter designed for telecom applications with a -48 VDC input. It provides a 12V output and meets ETSI and NEBS compliance standards.

✓ Total Stock: 18 pcs

$ Price Range: $2.06

DMA21248S12 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Braun Electronic Components ✓ Non-Authorised Inventory information	18 pcs On Request	18 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

DMA21248S12 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	XP Power
Mounting Type	Open Frame
Output Current	16.7 A
SVHC Present	Not Present
Temperature Coefficient	0.02 %/°C

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DMA21248S12 Description

Short technical summary and product information.

The XP Power DMA21248S12 is an open-frame DC-DC converter specifically designed for telecom applications requiring a -48 VDC input. It operates within an input voltage range of 36 to 75 VDC and features a nominal output voltage of 12 VDC with a maximum output current of 16.7 A. The converter also includes auxiliary outputs for a 5V standby supply and a 12V fan.

This series is ETSI and NEBS compliant, ensuring suitability for demanding telecommunications environments. Key electrical features include continuous reverse voltage protection, undervoltage lockout, and fast-acting input fuse protection. The output stage offers overvoltage protection, overload protection with auto-restart, and continuous short-circuit protection.

With a typical start-up delay of 2-3 seconds and a hold-up time of 4 ms, the DMA21248S12 is built for reliable operation. Its open-frame construction facilitates integration into various system designs, particularly within 1U networking systems. The converter also provides remote on/off control and a power good signal, enhancing system management capabilities.

DMA21248S12 Quick Information

Product Type: DC-DC Converter

Series: DMA

Canonical Name: XP Power DMA21248S12 DC-DC Converter

Subcategory: DC-DC Converter

DMA21248S12 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

DMA21248S12 Estimated Pricing

Qty	Low	High
1+	$2.06	$2.06

Estimated market price range - modelled values for guidance only, not live distributor offers.

DMA21248S12 Features

Open frame telecom DC-DC converter.
-48 VDC input voltage range.
12 VDC main output voltage.
ETSI and NEBS compliant.
Includes standby and fan outputs.

DMA21248S12 Applications

Suitable for telecom infrastructure.
Ideal for networking systems.
Used in system monitoring.
Applicable for video production racks.

DMA21248S12 FAQs

5 frequently asked questions generated from this part’s specifications.

What is the input voltage range for the XP Power DMA21248S12?

The operating input voltage range is 36 to 75 VDC, and it can be configured as -48 VDC.

What are the output voltages provided by the DMA21248S12?

The main output (V1) is 12 VDC, the fan output (V2) is 12 V/1.0 A, and the standby supply (V3) is 5.0 V/0.1 A.

What is the maximum output current for the main output (V1)?

The maximum output current for V1 is 16.7 A.

Is the XP Power DMA21248S12 compliant with ETSI and NEBS standards?

Yes, the DMA21248S12 is ETSI and NEBS compliant.

What protection features are included in the DMA21248S12?

It includes input reverse voltage protection, undervoltage lockout, input transient protection, overvoltage protection, overload protection, and short circuit protection.