4-5435166-9(RevB) 데이터 시트보기 (PDF) - Tyco Electronics

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4-5435166-9
(Rev.:RevB)

Dual In- Line Package (DIP) Programming Switches

Tyco Electronics 

DIP Programming Switches (7000 and 7100 Series)

114-1056

NOTE

Where the above environmental conditions exist, phosphor-bronze contacts are recommended if available.

3.4. Printed Circuit (PC) Board Requirements

A. Material and Thickness

The pc board material must be glass epoxy (FR–4 or G–10). The pc board thickness shall be 2.36 mm

[.093 in.].

NOTE

Contact the Product Information Center at the number listed at the bottom of page 1 for suitability of other board

materials and thicknesses.

B. Tolerance

Maximum allowable bow of the pc board must be 0.08 mm [.003 in.] over each 25.4 mm [1.000 in.] of

length.

C. PC Board Layout

The solder tail contact holes in the pc board must be precisely located to ensure proper placement and

optimum performance of the switch. The pc board layout dimensions and tolerances shown in Figure 2

must be observed when preparing pc boards for the various switches. The layout shows the top

(component) side of the board.

2.54 + 0.13

[.100 + .005]

Typ

0.89 + 0.13

[.035 + .005]

Dia Typ

7.62 + 0.13

[.300 + .005]

Figure 2

3.5. PC Board Solder Tail Holes

The holes in the pc board for the solder tails must be drilled and plated through to specific dimensions. See

Figure 3.

Board Thickness

2.36 [.093]

ÉÉÏÉÏÉ (Nominal)

ÉÉÉÉÉÉÉÉÏÏÏÏÌÌÌÌÉÉÉÉÏÏÏÏÉÉÉÉ Tin/Lead Thickness

(As Required)

Dia of Finished Hole After Plating

∅0.89 +0.13 [.035 +.005]

Drilled Hole Diameter

(As Required)

ÉÉÉÉÉÉÏÏÏÏÏÌÌÌÌÌÉÉÉÉÉÉÉÉÉÉÉÉ

Pad Diameter

(As Required)

Copper Thickness (As Required)

(Maximum Hardness of Copper to

be 150 Knoop)

Figure 3

Rev B

3 of 7

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