121-M-191
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One possible variation of assembly
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Typical Application
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RoHS WEEE Pb free surface compliant
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| Description |
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Type 120-M-191 /-291 terminal block has been designed to allow effective potting of PC boards. The molding design prevents seepage of the potting material into the wire clamping area up to 13 mm (0.5 in.) from the board. Can be installed anywhere on PCB without plugs or wires interfering with other components.
 | Header |
| High clearance above PCB |
| Plug-In Direction Perpendicular to PCB and Wire Entrance Parallel to PCB when plugged with 121-D-111, 121-D-121 |
| Plug-In Direction Perpendicular to PCB and Wire Entrance 45° to PCB when plugged with 121-C-111 |
| Plug-In Direction and Wire Entrance Perpendicular to PCB when plugged with 121-A-111 |
| The high clearance allows the connection to be located outside of the enclosure. |
| With or without Sidewalls |
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| Technical Data |
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Center to Center Spacing: 5.08 mm (0.200 in.)
Recommended Hole Diameter in PC Board: 1.4 mm (0.055 in.)
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| Illustration |
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Coding keys 120-K are available to prevent the insertion of the wrong plug into a header. These are usually field inserted but can be factory installed if required.
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| Dimensions: mm (in.) |
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Length of Connector (L)
L = (No. of Poles x Centr to Center Spacing) + 2.54 mm
(A) Side walls for 121-M-291 only |
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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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International Approvals:
Rated Impulse Withstand Voltage: 2500 V
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| Material |
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Molding: Polyamide, self extinguishing UL 94, V-0, color grey
Temperature limits:
Short Time: 140°C (284°F)
Continuous: RTI 105°C (221°F)
Low Limit: -40°C (-40°F)
Comparative Tracking Index: CTI≥600V
Oxygen Index Rating: 33%
Solder Pin: 1 x 1 mm (0.04 x 0.04 in.), Tin plated copper alloy
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