Rev A

DCMQ50 SERIES

50 Watts

DC/DC Railway Converter

Single Output

8/15/2016

Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 •

Fax 603-778-9797

website: www.wallindustries.com • e-mail: sales@wallindustries.com

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SPECIFICATIONS

All specifications are based on 25°C, Resistive Load, Nominal Input Voltage, and Rated Output Current unless otherwise noted.

We reserve the right to change specifications based on technological advances.

SPECIFICATION

TEST CONDITIONS

Min

Typ

Max

Unit

REMOTE ON/OFF CONTROL

Converter On

3.5V~12V or Open Circuit

Converter Off

0V~1.2V or Short Circuit

Control Input Current (On)

Vctrl=5.0V

0.5

mA

Control Input Current (Off)

Vctrl=0V

-0.5

mA

Control Common

Referenced to Negative Input

Standby Input Current

Nominal Vin

2.5

mA

PROTECTION

Short Circuit Protection

Hiccup Mode 0.5Hz typ.

Automatic Recovery

Over Load Protection

Hiccup

150

%

Over Voltage Protection

See Table

Over Temperature Protection

Base Plate

+110

ºC

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature

Min

Max.

Unit

Without

Heatsink

With

Heatsink

Natural Convection,

Nominal Vin, Load 100%

Inom.

DCMQ50-72S12, 72S15, 110S15

-40

72

75

ºC

DCMQ50- 72S24, 110S12, 110S24

-40

68

71

DCMQ50-72S05, 110S05

-40

63

67

Storage Temperature

-50

+125

ºC

Thermal Impedance

Natural Convection without Heatsink

7.5

ºC/W

Natural Convection with Heatsink

6.8

100LFM Convection without Heatsink

6.1

100LFM Convection with Heatsink

4.1

200LFM Convection without Heatsink

5.3

200LFM Convection with Heatsink

3.3

400LFM Convection without Heatsink

3.9

400LFM Convection with Heatsink

2.2

Base-Plate Temperature Range

-40

+105

Operation Humidity

Non-Condensing

5

95

%RH

Lead Temperature

1.5mm for Case for 10Sec.

260

ºC

Cooling

Compliance to IEC/EN60068-2-1

Dry Heat

Compliance to IEC/EN60068-2-2

Damp Heat

Compliance to IEC/EN60068-2-30

Shock & Vibration Test

Compliance to IEC/EN 61373

Fire Protection

Compliance to EN45545-2

MTBF

MIL-HDBK-217F@25ºC Full Load, Ground Benign

314,900 Hours

GENERAL SPECIFICATIONS

Typical Efficiency

@Max Load

See Table

Switching Frequency

320

KHz

Isolation Voltage

Reinforced Insulation, Rated for 60 Seconds

3000

VACrms

Isolation Resistance

500VDC

1000

M

Ω

Isolation Capacitance

100KHz, 1V

3000

pF

PHYSICAL SPECIFICATIONS

Weight

2.15oz (61g)

Dimensions (L x W x H)

2.28in x 1.45in x 0.50in

(57.9mm x 36.8mm x 12.7mm)

Case Material

Aluminum Frame with Black Anodized Coating

Base Material

Top Side

Aluminum Plate

Bottom Side

Non-Conductive Black Plastic Base Plate

Potting Material

Epoxy (UL94-V0)

SAFETY CHARACTERISTICS

Safety Approvals

cUL/UL 60950-1, IEC/EN 60950-1, EN50155, IEC60571

EMI

Conduction & Radiation: EN55022, EN55011, FCC Part 15

Class A

ESD

EN61000-42

Air±8kV

Contact±6kV

Class A

Radiated Immunity

EN61000-4-3

10V/m

Class A

EN61000-4-4

±2kV

Class A

EN61000-4-5

±2kV

Class A

Conducted Immunity

EN61000-4-6

10Vrms

Class A