Wall Industries, Inc.

Rev D

MPQ SERIES

Up to 125 Watts, Quarter-Brick DC/DC Converters

02/15/2013

Wall Industries, Inc. • 5 Watson Brook Road, 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 4 of 7

MECHANICAL DRAWINGS

Heatsink Option (“HS” Suffix)

.00 [0.0]

1

2

3

8

6

5

4

7

2.00 [50.8]

STAND-OFF HOLE Ø.052±.003 [1.32±0.08]

RECOMMENDED FINISHED RECEIVING PCB

Ø.040 [1.02] PINS ONLY 6X

STANDOFF DIMENSION

.071±.005 [1.80±0.13]

.20 MIN [5.1 MIN]

PIN LENGTH FROM

INTERFACE-PLANE ONLY

SEE NOTE-3

PIN END

B

INTERFACE-PLANE

.19 [4.7]

.00 [0.0]

C

3

2

1

8

6

7

4

5

1.860 [47.24]

2.37 [60.2]

.47 [11.9]

.47 [11.9]

DOT DENOTES

PIN-1

LABEL

-A-

SEE NOTE-4

.26 [6.5]

.112(NO:4)-40UNC-2B 4X

MAX SCREW DEPTH .100 FROM SURFACE-A 4X

MAX APPLIED RECIEVING

TORQUE: 6.0 lbf in [ 0.68 N m]

.51 [13.0]

.19 [4.7]

2

3

1

6

8

7

5

4

A

.005

Ø.062 [1.57]

Ø.062 [1.57]

PIN Ø

Ø.062 [1.57]

Ø.040 [1.02]

Ø.040 [1.02]

Ø.040 [1.02]

Ø.062 [1.57]

Ø.040 [1.02]

+Vout

4

8

7

6

5

+SENSE

-SENSE

-Vout

TRIM

PIN DESIGNATION

2

3

1

ON/OFF

-Vin

+Vin

ALL DIMENSONS ARE IN INCHES

.XX=±.02[0.5] .XXX=±.010[0.25]

ANGLES= ±1°

APPLIED TOLERANCES:

[ XX ] ARE IN MILLIMETERS

INTERPRET DIMENSION AND TOLERANCE

PER ASME Y14.5M - 1994

DO NOT SCALE DRAWING

UNLESS OTHERWISE SPECIFIED

THIRD ANGLE PROJECTION

NOTES:

1. PIN TO PIN TOLERANCE: ±.010 [±0.25] MEASURED AT STANDOFF FEATURE ONLY, DATUM-B.

2. PIN DIAMETER TOLERANCE OF ±.005 [±0.13] MEASUREMENT READING APPLIES TO AREA

FROM INTERFACE-PLANE SURFACE DATUM-C TO END OF PIN ONLY.

3. UNLESS OTHERWISE SPECIFIED.

4. THERMAL TRANSFER PLATE MATERIAL: .040 [1.02] THICK, ALUMINUM ALLOY 3003-0,

PER: QQA 250/2 WITH BLACK SOFT SULFURIC ANODIZE FINISH.

Unit: inches [mm]

FUNCTION DESCRIPTION

Pin

Pin Name

Function

Comments

1

+Vin

Positive Input

2

Enable

Remote ON/OFF

If not used leave open for standard (Active High)units; short to –Vin on Active Low units (suffix “R”)

3

-Vin

Negative Input

4

+Vout

Positive Output

5

+Sense

Positive Remote Sense

If not used short to +Vo

6

Trim

Output Voltage Trim

If not used leave open

7

-Sense

Negative Remote Sense

If not used short to -Vo

8

-Vout

Negative Output