5.080

2.0625 *

3.8625 *

0.5000 typ.

0.6500 typ.

1.2500±0.1250 (x4)

1.2500±0.1250 (x4)

2.540

0.8500±0.0500 (x2)

Non plated alignment hole

1.7100±0.1000 (x4)

Non plated mounting hole

6.40

9.0 (x4)

15.725±0.050 (x4)

18.2250±0.125

Socket base size

19.725±0.125 (x4)

Backing plate size

32.6000±0.1250 Socket lid size

2.250

1.50 typ.

1.50 typ.

8.50 (x4)

2.0000

19.985±0.125

No component area

19.735±0.125

No component area

39.2250±0.1250

Socket lid size

37.2250±0.1250

Socket base size

Pin on the pad (x164)

0.5x0.25 pad (x148)

Orientation Mark

*Note: QFN pattern is not

symmetrical with respect

to the mounting holes. The

pattern is shifted to the

right of center by 0.25mm.

Target PCB Recommendations

Total thickness: 1.6mm min.

Plating: Gold or Solder finish

Max Ht: 15.6 mm

Max Ht: 2.96 mm

Max Ht: 4.01 mm

Ironwood Electronics, Inc.

Tele: (800) 404-0204

www.ironwoodelectronics.com

Tolerances: Hole diameters ±0.03mm [±0.001"], Pitches (from true position) ±0.025mm [±0.001"], substrate thickness tolerance ±10%, all

other tolerances ±0.13mm [±0.005"] unless stated otherwise. Materials and specifications are subject to change without notice.

Description: Recommended PCB Layout

Primary dimension units are millimeters, Secondary dimension units are [inches], Weight is in grams.

STATUS: Released

REV. E

DATE: 5/10/2012

Material: Material <not specified>

Finish:

Weight: 65.50

CBT-QFN-7024 Drawing

SCALE: 2.5:1

SHEET: 2 OF 6

ENG: S. Huang

FILE: CBT-QFN-7024

DRAWN BY: S. Huang