Rev F

DH50 SERIES

50 Watt DC/DC Power Converters

05/16/2017

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

Page 3 of 11

SPECIFICATIONS: DH50 SERIES

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

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

SPECIFICATION

TEST CONDITIONS

Min

Typ

Max

Unit

Positive Logic

Converter On

3.5 ~ 12V or open circuit

Converter Off

0V ~ 1.2 or short circuit

Control Input

Current

On

Vctrl = 5.0V

0.5

mA

Off

Vctrl = 0V

-0.5

Control Common

Referenced to negative input

Stand-by Input Current

Nominal Vin

2.5

mA

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature (W/O

Heatsink)

(see derating curves on pages 6-7)

Natural air convection

(20LFM)

Nominal Vin and full load

3.3VDC Output Models

-40

+56

°C

DH24S5-50, DH24S12-50

DH24S15-50, DH48S5-50

DH48S12-50, DH48S15-50

-40

+53

°C

DH12S12-50, DH12S15-50,

DH12S24-50, DH24S24-50,

DH48S24-50

-40

+46

°C

DH12S5-50

-40

+38

°C

Operating Temperature (W/

Heatsink)

(see derating curves on pages 6-7)

Natural air convection

(20LFM)

Nominal Vin and full load

3.3VDC Output Models

-40

+64

°C

DH24S5-50, DH24S12-50

DH24S15-50, DH48S5-50

DH48S12-50, DH48S15-50

-40

+62

°C

DH12S12-50, DH12S15-50,

DH12S24-50, DH24S24-50,

DH48S24-50

-40

+56

°C

DH12S5-50

-40

+49

°C

Thermal Impedance (W/O

Heatsink)

Natural convection (20LFM)

12.1

°C/W

100LFM convection

9.2

200LFM convection

7.8

400LFM convection

5.2

Thermal Impedance (W/ Heatsink)

Natural convection (20LFM)

9.8

°C/W

100LFM convection

5.4

200LFM convection

4.5

400LFM convection

3.0

Case Temperature

+105

°C

Storage Temperature

-50

+125

°C

Humidity (non-condensing)

95

% RH

RFI

Six-sided shielding, metal case

Cooling

Natural convection is about 20LFM but is not equal to still air (0LFM)

natural convection

Lead Temperature

1.5mm from case for 10 seconds

260

°C

MTBF (calculated)

MIL-HDBK-217F at 25°C, Ground Benign

224,700

hours

PHYSICAL SPECIFICATIONS

Weight

1.06oz (30g)

Dimensions (L x W x H)

2.00 x 1.00 x 0.43 inches

(50.8 x 25.4 x 11.0 mm)

Case Material

Aluminum alloy, black anodized coating

Base Material

FR4 PCB (flammability to UL 94V-0 rated)

Potting Material

Epoxy (UL94-V0)

Pin Material

Copper alloy with gold plate over nickel sub-

plate

Heatsink (optional)

“HS” suffix

See page 4

SAFETY & EMC

Safety Approvals

UL/cUL 60950-1 recognition (CSA certificate)

IEC/EN 60950-1 (CB-scheme)

EN55032, FCC part 15

Class A

EMS

EN55024

ESD

EN61000-4-2

Air: ±8KV, Contact:

±6KV

A

Radiated Immunity

EN61000-4-3

10V/m

A

EN61000-4-4

±2KV

A

EN61000-4-5

±1KV

A

Conducted Immunity

EN61000-4-6

10V/m

A