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. 䇋⊼ᛣ⛞Ⲭᓣⱘᆑᑺ(0.25 mm min. / 0.30 mm typ.)DŽ
※2.
䇋
䇋࣓ᇕ㺙Ё䯈ᠽሩ⛞Ⲭᓣ (1.10 mm ~ 1.20 mm)DŽ
⊼ᛣ1. 䇋࣓ᷥ㛖ൟᇕ㺙ⱘϟ䴶ॄࠋϱ㔥ǃ⛞䫵DŽ
2. ᇕ㺙ϟǃᏗ㒓Ϟⱘ䰏⛞㝰८ᑺ (Ң⛞Ⲭᓣ㸼䴶䍋) 䇋ࠊ0.03 mmҹϟDŽ
3. 㝰ⱘᓔষሎᇌᓔষԡ㕂䇋Ϣ⛞Ⲭᓣᇍ唤DŽ
4. 䆺㒚ݙᆍ䇋খ䯙 "SNTᇕ㺙ⱘᑨ⫼ᣛफ"DŽ