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FlextacTM BGA Rework Stencil Kit
If you’ve been using metal stencils for BGA rework, we have some great news for you. Flextac BGA Rework Stencils...a creative new product that 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. Current BGA rework stencils are fabricated 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. To use, the operator folds the pre-scored side tabs and then peels off the cover film from the bottom side of the stencil. The operator holds the side tabs while placing the Flextac Stencil in position. If it is not correctly positioned, it can simply be removed and repositioned. The side tabs also serve as solder dams preventing overspill. No external taping or fixturing is used. Next the operator applies 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, the operator can make as many passes as necessary with the squeegee 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. Application
Flextac BGA Rework Stencil Kit Includes
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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.
| Part Number | Thickness | Aperture | Ball Count | Ball Pattern | Pitch | Component Body | Price |
| B6-119-1422-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
119 | 7 x 17 Full Array |
.050" (1.27 mm) |
14 mm x 22 mm | $49.50 pkg/10 |
| B4-196-1515-100 | .004" (0.102 mm) |
.020" (0.508 mm) |
196 | 14 x 14 Full Array |
.039" (1.00 mm) |
15 mm x 15 mm | 49.50 pkg/10 |
| B6-208-2323-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
208 | 17 x 17 P4-Row |
.050" (1.27 mm) |
23 mm x 23 mm | 49.50 pkg/10 |
| B6-225-2727-150 | .006" (0.152 mm) |
.025" (0.635 mm) |
225 | 15 x 15 Full Array |
.059" (1.50 mm) |
27 mm x 27 mm | 49.50 pkg/10 |
| B4-256-1717-100 | .004" (0.102 mm) |
.020" (0.508 mm) |
256 | 16 x 16 Full Array |
.039" (1.00 mm) |
17 mm x 17 mm | 49.50 pkg/10 |
| B8-256-2121-127 | .008" (0.203 mm) |
.032" (0.813 mm) |
256 | 16 x 16 Full Array |
.050" (1.27 mm) |
21 mm x 21 mm | 49.50 pkg/10 |
| B6-256-2727-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
256 | 20 x 20 P4-Row |
.050" (1.27 mm) |
27 mm x 27 mm | 49.50 pkg/10 |
| B6-272-2727-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
272 | 20 x 20 P4-Row +4 x 4 center |
.050" (1.27 mm) |
27 mm x 27 mm | 49.50 pkg/10 |
| B6-292-2727-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
292 | 20 x 20 P4-Row +6 x 6 center |
.050" (1.27 mm) |
27 mm x 27 mm | 49.50 pkg/10 |
| B8-304-2125-127 | .008" (0.203 mm) |
.032" (0.813 mm) |
304 | 16 x 19 Full Array |
.050" (1.27 mm) |
21 mm x 25 mm | 49.50 pkg/10 |
| B4-324-1919-100 | .004" (0.102 mm) |
.020" (0.508 mm) |
324 | 18 x 18 Full Array |
.039" (1.00 mm) |
19 mm x 19 mm | 49.50 pkg/10 |
| B4-324-2323-100 | .004" (0.102 mm) |
.020" (0.508 mm) |
324 | 22 x 22 P4-Row +6 x 6 center |
.039" (1.00 mm) |
23 mm x 23 mm | 49.50 pkg/10 |
| B6-352-3535-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
352 | 26 x 26 P4-Row |
.050" (1.27 mm) |
35 mm x 35 mm | 49.50 pkg/10 |
| B6-357-2525-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
357 | 19 x 19 Full Array |
.050" (1.27 mm) |
25 mm x 25 mm | 49.50 pkg/10 |
| B8-361-2525-127 | .008" (0.203 mm) |
.032" (0.813 mm) |
361 | 19 x 19 Full Array |
.050" (1.27 mm) |
25 mm x 25 mm | 49.50 pkg/10 |
| B6-388-3535-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
388 | 26 x 26 P4-Row + 6 x 6 center |
.050" (1.27 mm) |
35 mm x 35 mm | 49.50 pkg/10 |
| B6-420-3535-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
420 | 26 x 26 P5-Row |
.050" (1.27 mm) |
35 mm x 35 mm | 49.50 pkg/10 |
| B6-432-4040-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
432 | 31 x 31 P4-Row |
.050" (1.27 mm) |
40 mm x 40 mm | 49.50 pkg/10 |
| B4-484-2323-100 | .004" (0.102 mm) |
.020" (0.508 mm) |
484 | 22 x 22 Full Array |
.039" (1.00 mm) |
23 mm x 23 mm | 49.50 pkg/10 |
| B6-560-4242-127 | .006" (0.152 mm) |
.025" (0.635 mm) |
560 | 33 x 33 P5-Row |
.050" (1.27 mm) |
42.5 mm x 42.5 mm | 69.50 pkg/10 |
| B8-624-3232-127 | .008" (0.203 mm) |
.032" (0.813 mm) |
624 | 25 x 25 Full Array |
.050" (1.27 mm) |
32.5 mm x 32.5 mm | 69.50 pkg/10 |
| B8-625-3232-127 | .008" (0.203 mm) |
.032" (0.813 mm) |
625 | 25 x 25 Full Array |
.050" (1.27 mm) |
32.5 mm x 32.5 mm | 69.50 pkg/10 |
| B4-672-2727-100 | .004" (0.102 mm) |
.020" (0.508 mm) |
672 | 26 x 26 Full Array |
.039" (1.00 mm) |
27 mm x 27 mm | 69.50 pkg/10 |
| B4-676-2727-100 | .004" (0.102 mm) |
.020" (0.508 mm) |
676 | 26 x 26 Full Array |
.039" (1.00 mm) |
27 mm x 27 mm | 69.50 pkg/10 |
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