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

06/29/2010

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

Page 3 of 4

FA Series

250-300 Watt

Single Output

Full Brick DC/DC Converter

Rev D

MECHANICAL DRAWING

Unit: inches [mm]

SEE NOTE-1&3

STANDOFFS ONLY

PIN LENGTH FROM

.20 MIN [5.1 MIN]

TO STANDOFFS ONLY

HEATSINK SUPPLIED ATTACHED WITH

THERMAL INTERFACE MATERIAL.

HEATSINK HAS

±.005

Ø.120

±0.13

Ø3.05

THRU HOLE 6X

.02 [0.4] 6X REF

COVER TO STANDOFF

.84±.04 [21.3±1.0]

2

1

SERIAL NO:

DATE CODE

LABEL

NONMETALLIC INSULATOR 2X

.015 [0.38]

SEE NOTE-1&3

STANDOFFS ONLY

PIN LENGTH FROM

.20 MIN [5.1 MIN]

TO STANDOFFS ONLY

3

4

5

7

8

9

6

.000 [0.00]

.400 [10.16]

.700 [17.78]

1.000 [25.40]

1.400 [35.56]

1.800 [45.72]

3.600 [91.44]

4.200 [106.68]

.35 [8.9]

.50 [12.7]

+.03

.50 -.00

-0.0

+0.8

12.7

117.0

+.02

4.60 -.03

+0.5

-0.8

SEE NOTE-4

DOT DENOTES

PIN-1

.02 [0.4] 6X REF

COVER TO STANDOFF

+.02

.30 -.03

-0.6

+0.5

7.6

NOTES:

1. PIN TO PIN TOLERANCE ± .01 [±0.3],

PIN DIAMETER TOLERANCE: ±.005 [±0.13].

2. CASE MATERIAL: .040 [1.02] THICK, ALUMINUM ALLOY 3003-0,

PER: QQA 250/2.

3. UNLESS OTHERWISE SPECIFIED.

TO ORDER:

4. UNIT COMES WITH EITHER 3M x 0.5 THREADED

THRU INSERTS OR FOR Ø.125 THRU-HOLE ADD:

“TH” SUFFIX TO MODEL PART NUMBER.

EXAMPLE: FA12S24-300TH

5. FOR HEAT SINK ADD: “HS” SUFFIX TO MODEL

PART NUMBER. EXAMPLE: FA12S24-300HS.

6. OPTIONAL CHASSIS MOUNT VERSION

AVAILABLE (SEE CMFA SERIES).

PIN DESIGNATION

PIN Ø

1

+OUT

Ø.081 [2.06]

2

+SENSE

Ø.040 [1.02]

3

TRIM

Ø.040 [1.02]

4

-SENSE

Ø.040 [1.02]

5

-OUT

Ø.081 [2.06]

6

+IN

Ø.081 [2.06]

7

SD

Ø.040 [1.02]

8

SYNC

Ø.040 [1.02]

9

-IN

Ø.081 [2.06]

SEE NOTE 5

HEATSINK

STANDARD