Rev. E

DCHBW75 Series

4:1 Input Voltage Ranges

Up to 76.8 Watts, Single Outputs

Half-Brick DC/DC Power Converters

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

05/21/2013

603-778-2300 www.wallindustries.com Fax 603-778-9797

Page 6 of 8

MECHANICAL DRAWING

METAL CASE (24VDC & 48VDC Nominal Input Models)

1.900 (48.26)

2.28 (57.9)

0.50

(12.7)

0.200 (5.08)

0.02 (0.6)

Threaded (Standard) 4-M3X0.5

Thru-Hole (“TH” suffix) 4-Ø0.126 (Ø3.2)

The screw locked torque: MAX 0.49N.M

(5.0kgf.cm)

See Note 12

Unit: inches (mm)

PIN CONNECTIONS

PIN

DEFINE

DIAMETER

1

- INPUT

0.04 in.

2

CASE

0.04 in.

3

CTRL

0.04 in.

4

+ INPUT

0.04 in.

5

- OUTPUT

0.08 in.

6

- SENSE

0.04 in.

7

TRIM

0.04 in.

8

+ SENSE

0.04 in.

9

+ OUTPUT

0.08 in.

Output can be externally trimmed by

using the method shown below.

7

8

TRIM UP

6

7

TRIM DOWN

NOTES

1. Tolerance: x.xx±0.02 (x.x±0.5)

x.xxx±0.01 (x.xx±0.25)

2. Pin Pitch Tolerance: ±0.01 (±0.25)

3. Pin Dimension Tolerance: ±0.004 (±0.1)

EXTERNAL OUTPUT TRIMMING

PLASTIC CASE (110VDC Nominal Input Models)

1.900 (48.26)

2.28 (57.9)

0.50

(12.7)

0.200 (5.08)

0.02 (0.6)

Threaded (Standard) 4-M3X0.5

Thru-Hole (“TH” suffix) 4-Ø0.126 (Ø3.2)

The screw locked torque: MAX 0.49N.M

(5.0kgf.cm)

See Note 12

Unit: inches (mm)

PIN CONNECTIONS

PIN

DEFINE

DIAMETER

1

- INPUT

0.04 in.

2

CASE

0.04 in.

3

CTRL

0.04 in.

4

+ INPUT

0.04 in.

5

- OUTPUT

0.08 in.

6

- SENSE

0.04 in.

7

TRIM

0.04 in.

8

+ SENSE

0.04 in.

9

+ OUTPUT

0.08 in.

Output can be externally trimmed by

using the method shown below.

7

8

TRIM UP

6

7

TRIM DOWN

NOTES

1. Tolerance: x.xx±0.02 (x.x±0.5)

x.xxx±0.01 (x.xx±0.25)

2. Pin Pitch Tolerance: ±0.01 (±0.25)

3. Pin Dimension Tolerance: ±0.004 (±0.1)

EXTERNAL OUTPUT TRIMMING

Product Options

Suffix

Product Options

Suffix

0.200” pin length

R

H = 0.45” Vertical

H

Negative Remote ON/OFF Logic

1

H

l

a

t

n

o

z

i

r

o

H

”

4

2

.

0

=

H

L

R

h

t

g

n

e

l

n

i

p

”

5

4

1

.

0

0.200” pin length

None

H = 0.24” Vertical

H2

Positive Remote ON/OFF Logic

S

h

t

g

n

e

l

n

i

p

”

5

4

1

.

0

Heatsink

(1)

3

H

l

a

t

n

o

z

i

r

o

H

”

5

4

.

0

=

H

Thru-Hole Inserts (No Thread)

(1)

Ø0.126 thru-hole (no thread) inserts

TH

Wall Mounted

T

Terminal Block

(2)(3)

Wall Mounted with EMC Filter

(3)

TF

NOTES

1. Models with thru-hole inserts cannot be equipped with a heatsink.

2. Terminal block models have 0.200” pin lengths. 0.145” pin lengths are not available for terminal block models.

3. EMI filter meets EN55011, EN55022 Class A.