120-M-221-SMD
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One possible variation of assembly
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RoHS WEEE Pb free surface compliant
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| Description |
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US Patent # 7,207,811 B2
120-M-221-SMD header is a multi-pole 5 mm connector that performs total dynamic adaptability to planar variations of PCB. Contact pins of this product are capable to move in all X, Y, Z directions. The first result of this total co-planar adaptability, is the fact that even the slightest variation of the PCB planarity is compensated during the reflow soldering process. The second result is the elimination of the CTE (Coefficient of Thermal Expansion) mismatch. It is because of its particular design, that pins are capable to compensate the negative effect of the different expansion parameters of both thermo resistant material of the plastic housing and the Epoxy material of the PCB. It has been computed that for an extreme expansion case, the plastic housing could move on OX direction as much as 0.1 mm. In the majority of the cases the impact of such differential move would fracture or dislocate the solder contact area between the pin and the PCB. This phenomena is totally avoided through the special pin design. This connector type brings therefore a breakthrough solution into the SMT industry: total co-planarity dynamic adaptability and elimination of CTE mismatch.
Type 120-M-221-SMD terminal block has been specially designed to allow effective potting of PC boards. The molding design prevents seepage of the potting material into the wire clamping area up to 7.5 mm (0.295 in.) from the board. Removable thermo resistant pick caps are supplied when packed in tape and reel. This allows automated pick place applications.
 | Header |
| Plug-In Direction Perpendicular to PCB and Wire Entrance Parallel to PCB when plugged with 120-D-111, 120-D-121 |
| Plug-In Direction and Wire Entrance Perpendicular to PCB when plugged with 120-A-111 |
| Surface Mount adjustable to PCB planar variations |
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| Technical Data |
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Center to Center Spacing: 5 mm (0.197 in.)
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| Application |
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You can convert on your board 5 mm connector receptacle made for wave solder or through hole reflow to 120-M-221-SMD genuine surface mount connector. You can increase PCB packaging and component density by using both sides of the PCB, reduce and eliminate set-up costs, simplify and streamline your processes.
Universal, thermo resistant keyed pick cap is designed to ensure pick and place capability of headers for both even or odd pole versions. 56 mm width tape in 13 in. (330 mm) dia reel ( 300 pieces / reel ) is available for 2,3,4,5,6 poles. Other tape and reel configurations can be manufactured upon customer request. Connectors of more than 10 poles can be shipped in trays upon customer request.
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| Illustration |
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| Dimensions: mm (in.) |
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(B) Recommended Stencil Thickness: 0.15 mm (0.006 in.)
(C) Pad
(D) PCB Pad layout
(E) This cavity on this side of the connector for odd numbers of poles
(F) Pick-cap installed in the middle of the header
(G) This cavity on this side of the connector for even numbers of poles
(H) Pick-cap installed in the middle of the header |
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| When locating connector, allow 0.5 mm clearance around it for process-induced variations. |
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| Approval Information |
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UL File No.E69841  |
CSA File No.LR24322  |
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Rating
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Current(A)
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Voltage(V)
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Application
group
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AWG
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| UL |
15 |
300 |
B |
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| UL |
10 |
300 |
D |
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| CSA |
15 |
300 |
B |
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| CSA |
10 |
300 |
D,E |
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| Material |
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Molding: Polyamide 4.6, 30% GF (glass fiber reinforced), self extinguishing UL 94, V-0, color black
Temperature limits:
Short Time: 250°C (482°F)
Continuous: RTI 105°C (221°F)
Low Limit: -40°C (-40°F)
Comparative Tracking Index: CTI≥600V
Oxygen Index Rating: 37%
Solder Pin: Ø 1.1 mm (0.043 in.), Tin plated copper alloy
Average weight per pole: 0.45 gram per pole and 0.31 gram for the removable pick cap,
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