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Flextac BGA Rework Stencils…a creative new product is a major improvement over what you may be using now.
These flexible solder paste stencils are laser cut from high quality, anti-static polymer film with a residue-free adhesive backing. Because they are self-sticking, no tape or fixturing is needed. The adhesive seals around each BGA pad to prevent solder paste from bleeding under the stencil when the paste is applied. Flextac Stencils are easy to use and leave no residue on the board surface.
Typical BGA rework stencils are made from metal and require fixturing or taping to position them and hold them in place. Metal stencils warp easily, and if the circuit board has undulations in the board surface, the metal stencil will not sit flat. Since there is no gasket-like seal, solder paste can easily bleed under metal stencils when paste is applied with a squeegee. Also solder paste can spill out over the sides of flat metal stencils contaminating the circuit board surface. Metal stencils require tedious stencil cleaning. To use metal stencils effectively, a high level of operator skill is required
Flextac BGA Rework Stencil Kit is packaged in a rugged ESD safe case.
The Kit includes 20 different sizes of BGA rework stencils, a spatula handle and three sizes of spatula blades.
Step 1: Select the proper size and fold up the side tabs.
Step 2: Peel off the cover film exposing the adhesive backing.
Step 3: Place in position using the handy side tabs.
Step 4: Apply paste using a standard metal squeegee.
Step 5: Remove the stencil and save for another reuse or dispose.
You first fold the pre-scored side tabs and then peel off the protective cover film from the bottom side of the stencil. Holds the side tabs while placing the Flextac Stencil in position on the circuit board surface. If the stencil is not correctly positioned, you can simply reposition it. The side tabs also serve as solder dams preventing solder paste overspill. No external taping or fixturing is used. You next apply a small dab of solder paste and uses a standard squeegee to spread the paste. Since the residue-free adhesive seals around each BGA pad, you can make as many passes with the squeege as needed to assure proper aperture filling. The Flextac Stencil is then peeled up leaving a perfect deposit of solder on each pad. Although Flextac Stencils are disposable, they can be used several times.
Flextac BGA Rework Stencil Kit | |
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Kit Part Number | Description |
201-3120 | Flextac BGA Rework Stencil Kit |
Custom pattern stencils are available as special order with up to 2,600 holes per stencil. Please call Practical for quotation. |
Hand Tools Included in Kit | |
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Part Number | Description |
115-3514 | Spatula (1 piece) |
115-3502 | Squeeqee Blade Handle (1 piece) |
115-3504 | Squeeqee Blade - 12mm (1 piece) |
115-3506 | Squeegee Blade - 27mm (1 piece) |
115-3508 | Squeegee Blade - 35mm (1 piece) |
Flextac BGA Rework Stencil Kits Each kit includes 2 stencils per ball count |
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Part Number | PBGA Ball Count |
Body Size |
Pitch | Aperture Size |
Ball Pattern (matrix) |
|
B6-119-1422-127 | 119 | 14 x 22mm | 1.27mm | .020" (0.508mm) | 7 x 17 Full Array | |
B4-196-1515-100 | 196 | 15mm | 1.0mm | .020" (0.508mm) | 14 x 14 Full Array | |
B6-225-2727-150 | 225 | 27mm | 1.5mm | .025" (0.635mm) | 15 x 15 Full Array | |
B4-256-1717-100 | 256 | 17mm | 1.0mm | .020" (0.508mm) | 16 x 16 Full Array | |
B8-256-2121-127 | 256 | 21mm | 1.27mm | .032" (0.813mm) | 16 x 16 Full Array | |
B6-256-2727-127 | 256 | 27mm | 1.27mm | .025" (0.635mm) | 20 x 20 P4-Row | |
B6-272-2727-127 | 272 | 27mm | 1.27mm | .025" (0.635mm) | 20 x 20 P4-Row + 4x4 center | |
B6-292-2727-127 | 292 | 27mm | 1.27mm | .025" (0.635mm) | 20 x 20 P4-Row + 6x6 center | |
B8-304-2125-127 | 304 | 21 x 25mm | 1.27mm | .032" (0.813mm) | 16 x 19 Full Array | |
B4-324-2323-100 | 324 | 23mm | 1.0mm | .020" (0.508mm) | 22 x 22 P4-Row + 6x6 center | |
B6-352-3535-127 | 352 | 35mm | 1.27mm | .025" (0.635mm) | 26 x 26 P4-Row | |
B6-357-2525-127 | 357 | 25mm | 1.27mm | .025" (0.635mm) | 19 x 19 Full Array | |
B8-361-2525-127 | 361 | 25mm | 1.27mm | .032" (0.813mm) | 19 x 19 Full Array | |
B6-388-3535-127 | 388 | 35mm | 1.27mm | .025" (0.635mm) | 26 x 26 P4-Row + 6x6 center | |
B6-432-4040-127 | 432 | 40mm | 1.27mm | .025" (0.635mm) | 31 x 31 P4-Row | |
B4-484-2323-100 | 484 | 23mm | 1.0mm | .020" (0.508mm) | 22 x 22 Full Array | |
B6-560-4242-127 | 560 | 42.5mm | 1.27mm | .025" (0.635mm) | 33 x 33 P5-Row | |
B8-625-3232-127 | 625 | 32.5mm | 1.27mm | .032" (0.813mm) | 25 x 25 Full Array | |
B4-672-2727-100 | 672 | 27mm | 1.0mm | .020" (0.508mm) | 26 x 26 Full Array | |
B4-676-2727-100 | 676 | 27mm | 1.0mm | .020" (0.508mm) | 26 x 26 Full Array |
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