Datasheet > BUW256-1030-16AA95L

BUW256-1030-16AA95L

更新时间： 2024-02-21 23:49:35

品牌	Logo	应用领域
ACTEL		/
页数	文件大小	规格书
8页	1199K
描述
IC Socket, BGA256, 256 Contact(s), ROHS COMPLIANT

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BUW256-1030-16AA95L 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	ROHS COMPLIANT	Reach Compliance Code：	compliant
风险等级：	5.84	联系完成配合：	GOLD/TIN
联系完成终止：	GOLD/TIN	触点材料：	BERYLLIUM COPPER
设备插槽类型：	IC SOCKET	使用的设备类型：	BGA256
JESD-609代码：	e4/e3	触点数：	256
Base Number Matches：	1

BUW256-1030-16AA95L 数据手册

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Socket Mounting Recommendations and Reflow Profile

Stencil

Table 1 shows the recommended stencil dimensions. A laser-cut, electro-polished and Ni-plated

stainless steel stencil is recommended to give the most consistent paste release. The apertures

can be made round except for smaller pitches, where square apertures are recommended.

Remember to keep the stencil small enough to fit within the keep-out area of the socket, but yet

have provisions to remove it from the PCB once the paste has been applied.

Table 1: Recommended stencil dimensions.

Device Pitch

(mm)

1.27

PCB Pad Diameter

(mm / in)

Stencil Thickness

(mm/in)

Stencil Aperture

(mm/in)

min. 0.60 / 0.023

min. 0.50 / 0.019

min. 0.40 / 0.016

min. 0.35 / 0.014

min. 0.30 / 0.012

0.15 / 0.006

0.13 / 0.005

round 0.66 / 0.026

round 0.55 / 0.022

round 0.44 / 0.017

square 0.39 / 0.015

square 0.33 / 0.013

1.00

0.80

0.75

0.65

0.50

Solder Paste

E-tec recommends using solder paste without ( or <0.5%) silver (Ag) to reduce the solder’s

wetting ability and prevent the paste from running up the pins, thus maximizing the volume of

solder left on the pads. Brands such as Qualitek (www.qualitek.com) or Alpha Metals

(www.alphametals.com) produce such solder paste on customer request. For Sn/Pb solder paste

we recommend Ecorel 803S offered by Avantec (www.avantec.dehon.com).

Reflow Profile

Both standard Sn-Pb eutectic and Pb-free reflow profiles are shown below.

E-tec Interconnect Ltd, Industrial Zone C, CH-1072 Forel (Lavaux), Switzerland

Phone +41-21-781 08 10 · www.e-tec.com · info@e-tec.com

E-tec Socket Mounting Recommendations

PRELIMINARY

1 2 345 6 7 8

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