No.

TITLE

SCALE

UNIT

mm

SNT-4A-A-Land Recommendation

Seiko Instruments Inc.

PF004-A-L-SD-4.0

No. PF004-A-L-SD-4.0

0.3

0.35

0.52

1.16

0.52

Caution 1. Do not do silkscreen printing and solder printing under the mold resin of the package.

2. The thickness of the solder resist on the wire pattern under the package should be 0.03 mm

or less from the land pattern surface.

3. Match the mask aperture size and aperture position with the land pattern.

4. Refer to "SNT Package User's Guide" for details.

1.

(0.25 mm min. / 0.30 mm typ.)

2.

(1.10 mm ~ 1.20 mm)

1

2

0.03 mm

1. Pay attention to the land pattern width (0.25 mm min. / 0.30 mm typ.).

2. Do not widen the land pattern to the center of the package (1.10 mm to 1.20 mm).

1.

2.

※

1.

(0.25 mm min. / 0.30 mm typ.)

※

2.

(1.10 mm ~ 1.20 mm)

1.

2.

(

)

0.03 mm

3.

4.

"SNT

"