DD 48-12 072 ALFATRONIX, DD 48-12 072 Datasheet

DD 48-12 072

Manufacturer Part Number

DD 48-12 072

Description

DC/DC Converter

Manufacturer

ALFATRONIX

Datasheet

1.DD_48-12_108.pdf (1 pages)

Specifications of DD 48-12 072

Dc / Dc Converter O/p Type

Fixed

No. Of Outputs

Input Voltage

17V To 55V

Power Rating

72W

Output Voltage

13.6VDC

Output Current

Approval Bodies

Supply Voltage

48VDC

Dc/dc Converter Mounting

Chassis

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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DD Series

48Vdc – 12Vdc Voltage Converters

These units provide a simple and

professional solution to operating

12Vdc equipment from a 48Vdc

electrical system as used in

telecommunications systems,

forklift trucks, electric vehicles,

trains, cranes and mechanical

handling equipment. Applications

include the installation of radio and

communication equipment,

telemetric systems, operator

information systems, in vehicle

entertainment and portable

equipment.

These cool running products are

designed using switched mode

techniques and manufactured

using surface mount technology.

Input Voltage Range

Output Voltage

Intermittent Current Rating

Transient Voltage Protection

Electro Static Voltage Protection

Output Noise

Off load current (quiescent current)

Power Conversion Efficiency

Operating Temperature

Storage Temperature

Operating Humidity

Case Work

Connections

Output Indicator

Weight and Dimensions

Mounting Method

Safe Area Protection:



Approvals (pending)

Markings

Over Current

Over Heat

Transients

Catastrophic failure

Reverse Connection

48Vdc nominal

13.6Vdc +15%, -20% at extremes of temperature, load, input tolerance etc.

Continuous rating +25%, taken for a maximum of 2 minutes followed by 8 minutes rest.

Meets ISO7637-2 International Standard for 24Vdc Commercial Vehicles.

Meets ISO10605, ISO14982, >8kV contact, 15kV

<50mV pk-pk at continuous load. Meets CISPR25 and VDE0879-3..

<15mA. If connected to the battery, but not powering any equipment.

Typically 90%

-25°C to +30°C. +30°C to +80°C de-rate linearly to 0A

-25°C to +70°C

95% non-condensing.

Anodized Aluminum, Dust, water and impact resistance IP533

4 off 6.3mm push on crimp connectors

LED adjacent to output terminals

DD 48-12 072: Weight: 320g Dimensions: 89 (L) x 87 (W) x 50 (H) mm

DD 48-12 108: Weight: 420g, dimensions: 127(L) x 87 (W) x 50 (H) mm

“Click ‘n’ Fit” mounting clip, fitted separately using three hole fixing

Limited by current sensing circuit

Limited by temperature sensing circuit

Protected by filters and rugged component selection

Protected by input and output fuses

Input blocking diode

89/336/EEC The General EMC Directive

95/54/EC The Automotive EMC Directive (pending)

93/68/EEC The CE Marking Directive

CE marked and e marked (e13 023033)

AlfaTronix Limited 29 Newtown Business Park, Poole, Dorset BH12 3LL Great Britain

Telephone: +44 (0) 1202 715517. Fax: +44 (0) 1202 715122.

E-mail: sales@alfatronix.ltd.uk. Website: http://www.alfatronix.ltd.uk. An ISO9001 Registered Company

Two sizes available:

DD 48-12 072

6A continuous, 8A intermittent

DD 48-12 108

9A continuous, 11A intermittent

Key Benefits include:

 No Quibble lifetime warranty

 Quick and easy to install

 Power rating to 108W

 Internal protection against over

 Low quiescent current (< 15mA)

Continuous (132W intermittent)

current over heating and

transients.

(17-55V)

Characteristics

discharge.

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