Tubed Eyelets
LSP Industrial Ceramics produces tubed eyelets with tight dimensional tolerances to ensure predictable performance across repeated cycles. The catalog includes options ranging from compact, short length eyelets to extended tubes designed for deeper assemblies or multi layer feed throughs. The sections below outline the technical considerations that influence selection, integration, and long run performance in high temperature or electrically sensitive environments.
Material Behavior and Functional Performance in Ceramic Eyelets
Ceramic tubed eyelets maintain structural integrity under thermal cycling, electrical load, and mechanical stress. Their insulating properties prevent arcing or shorting in assemblies where conductive components pass through metallic housings. The material’s hardness supports stable alignment, while its resistance to oxidation and chemical exposure ensures long term reliability in demanding environments.
Dimensional Factors That Influence Eyelet Selection
Several geometric variables shape how a ceramic tubed eyelet performs in an assembly:
- Bore diameter determines clearance and guidance for wires, probes, or fasteners.
- Outer diameter influences seating stability and retention within the housing.
- Length affects how the eyelet interfaces with multi layer structures or deep mounting points.
- Proportions between A, B, and C dimensions guide compatibility with surrounding components.
These factors help engineers match eyelets to specific electrical, thermal, or mechanical requirements.
Integration With Housings, Insulating Barriers, and Multi Layer Assemblies
Tubed eyelets must be matched to the geometry and material of the surrounding structure. Seating depth, hole tolerance, and thermal expansion behavior influence how the eyelet performs under load. Proper integration ensures stable alignment, predictable dielectric spacing, and consistent performance across repeated heating and cooling cycles. This is especially important in assemblies where the eyelet interfaces with metals, ceramics, or composite insulators.
Alignment Stability and Long Run Performance in High Temperature Systems
Eyelet stability depends on the relationship between bore size, outer diameter, and length. Longer eyelets provide extended guidance for wires or probes, while shorter versions support compact assemblies. Ceramic’s dimensional stability under heat ensures consistent alignment across long production runs, reducing variability in applications that rely on precise feed through behavior.
FAQ
How Do Bore Dimensions Affect Ceramic Eyelet Performance?
Bore size determines clearance and guidance behavior, influencing how wires or probes move within the assembly.
Why Does Outer Diameter Matter in Tubed Eyelet Selection?
Outer diameter affects seating stability and retention, shaping how securely the eyelet fits within the surrounding structure.
What Role Does Length Play in High Temperature Assemblies?
Length influences how the eyelet interfaces with housings or multi layer components, affecting alignment and dielectric spacing.
Segmenting by dimension will alter the order of part numbers.
| A (in) | A (mm) | B (in) | B (mm) | C (in) | C (mm) | |
|---|---|---|---|---|---|---|
| TE7900 | 0.075 | 1.9 | 0.035 | 0.9 | 0.551 | 14 |
| TE7900-1 | 0.091 | 2.3 | 0.051 | 1.3 | 0.433 | 11 |
| TE7900-2 | 0.083 | 2.1 | 0.043 | 1.1 | 0.551 | 14 |
| TE8000 | 0.1 | 2.54 | 0.08 | 2 | 0.125 | 3.18 |
| TE8001 | 0.099 | 2.5 | 0.079 | 2 | 0.158 | 4 |
| TE8002 | 0.102 | 2.6 | 0.059 | 1.5 | 0.26 | 6.6 |
| TE8003 | 0.12 | 3.05 | 0.079 | 2 | 0.126 | 3.2 |
| TE8003-2 | 0.118 | 3 | 0.079 | 2 | 0.315 | 8 |
| TE8004 | 0.138 | 3.5 | 0.102 | 2.6 | 0.197 | 5 |
| TE8004-1 | 0.157 | 4 | 0.079 | 2 | 0.315 | 8 |
| TE8004-2 | 0.176 | 4.47 | 0.083 | 2.1 | 0.181 | 4.6 |
| TE8004-4 | 0.191 | 4.85 | 0.138 | 3.5 | 0.197 | 5 |
| TE8005 | 0.193 | 4.9 | 0.118 | 3 | 0.236 | 6 |
| TE8005-2 | 0.193 | 4.9 | 0.099 | 2.5 | 0.236 | 6 |
| TE8006 | 0.197 | 5 | 0.379 | 3.1 | 0.236 | 6 |
| TE8006-2 | 0.197 | 5 | 0.118 | 3 | 0.315 | 8 |
| TE8007 | 0.225 | 5.7 | 0.138 | 3.5 | 0.099 | 2.5 |
| TE8007-2 | 0.229 | 5.8 | 0.122 | 3.1 | 0.749 | 19 |
| TE8008 | 0.229 | 5.8 | 0.122 | 3.1 | 0.552 | 14 |
| TE8008-2 | 0.232 | 5.9 | 0.146 | 3.7 | 0.162 | 4.1 |
| TE8009 | 0.232 | 5.9 | 0.138 | 3.5 | 0.788 | 20 |
| TE8009-2 | 0.236 | 6 | 0.118 | 3 | 0.236 | 6 |
| TE8010 | 0.236 | 6 | 0.118 | 3 | 0.099 | 2.5 |
| TE8010-2 | 0.236 | 6 | 0.118 | 3 | 0.315 | 8 |
| TE8011 | 0.236 | 6 | 0.146 | 3.7 | 0.236 | 6 |
| TE8011-2 | 0.236 | 6 | 0.118 | 3 | 0.158 | 4 |
| TE8012 | 0.272 | 6.9 | 0.138 | 3.5 | 0.78 | 19.8 |
| TE8012-2 | 0.276 | 7 | 0.118 | 3 | 0.197 | 5 |
| TE8013 | 0.307 | 7.8 | 0.162 | 4.1 | 0.552 | 14 |
| TE8013-2 | 0.307 | 7.8 | 0.162 | 4.1 | 0.788 | 20 |
| TE8013-4 | 0.295 | 7.5 | 0.157 | 4 | 0.157 | 4 |
| TE8014 | 0.327 | 8.3 | 0.217 | 5.5 | 0.394 | 10 |
| TE8014-2 | 0.331 | 8.4 | 0.236 | 6 | 0.177 | 4.5 |
| TE8014-4 | 0.335 | 8.5 | 0.217 | 5.5 | 0.197 | 5 |
| TE8015 | 0.355 | 9 | 0.158 | 4 | 0.697 | 17.7 |
| TE8015-5 | 0.39 | 10 | 0.276 | 7 | 0.315 | 8 |
| TE8016 | 0.394 | 10 | 0.118 | 3 | 0.63 | 16 |
| TE8016-2 | 0.394 | 10 | 0.118 | 3 | 0.67 | 17 |
| TE8017 | 0.398 | 10.1 | 0.217 | 5.5 | 0.867 | 22 |
| TE8017-2 | 0.398 | 10.1 | 0.276 | 7 | 0.867 | 22 |
| TE8018 | 0.414 | 10.5 | 0.296 | 7.5 | 0.197 | 5 |
| TE8018-1 | 0.413 | 10.5 | 0.307 | 7.8 | 0.413 | 10.5 |
| TE8018-12 | 0.485 | 12.3 | 0.37 | 9.4 | 0.413 | 10.5 |
| TE8018-2 | 0.473 | 12 | 0.272 | 6.9 | 0.315 | 8 |
| TE8018-6 | 0.461 | 11.7 | 0.236 | 6 | 0.933 | 23.7 |
| TE8019 | 0.508 | 12.9 | 0.26 | 6.6 | 0.236 | 6 |
| TE8019-10 | 0.551 | 14 | 0.315 | 8 | 0.591 | 15 |
| TE8019-2 | 0.508 | 12.9 | 0.374 | 9.5 | 0.15 | 3.8 |
| TE8020 | 0.729 | 18.5 | 0.449 | 11.4 | 0.473 | 12 |
| TE8021 | 0.602 | 15.3 | 0.386 | 9.8 | 0.406 | 10.3 |
| TE8021-1 | 0.59 | 15 | 0.472 | 12 | 0.39 | 10 |
| TE8022 | 0.906 | 23 | 0.567 | 14.4 | 0.69 | 17.5 |
| A (in) | A (mm) | B (in) | B (mm) | C (in) | C (mm) |