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Housings for Customizable Electronics![]()
ET1 Empty In-Line BNC Feedthrough Housing EEB3311 Customizable Electronics Housing, Blank End Plates EEA14 Customizable Electronics Housing, BNC Connectors EEBFPF2 End Plate with Dual FC/PC Bulkheads EECEPBNC End Plate with BNC Connector ![]() Please Wait Features
![]() Click to Enlarge The slotted body of the EEA14 housing is shown here with the EEAPCB1 Customizable PCB (shown with electrical elements, not included) partially inserted into it. Thorlabs’ Customizable Electronics Housings are empty enclosures that enable the user to create custom electrical circuits, such as filters, voltage dividers, or impedance matchers. We offer these housings in two types. The smaller ET1 tube housing has a male BNC connector on one side and a female BNC connector on the other side. This in-line feedthrough housing is ideal for simple circuits made from a small number of standard electronic components or more complex circuits built with surface-mounted elements on a small printed circuit board (PCB). For circuits that require more space, the extruded electronics enclosures are ideal. These housings are slotted inside to accept printed circuit boards and are offered with blank end plates, female BNC connectors, or female SMA connectors. Several sizes are available; for detailed dimensions of the enclosures, please click on either the red Docs icons ( Extra end plates and screws are available for many of the housings sold below. We offer end plates with FC/PC, FC/APC, or SMA fiber bulkheads. Blank end plates and end plates with female BNC or female SMA connectors are also available. Aluminum side clamps are available as additional mounting options for the housings. The clamps have a #8 (M4) counterbore, which allows them to be mounted to a Ø1/2" post or other surface with an 8-32 (M4) tap. Alternatively, double-sided plastic clamps are available to mount a housing on top of another housing for a secure, compact setup.
![]() ![]() Click to Enlarge The ET1 housing is shown here with its outer shell removed (top). A blank label is included on the back side (bottom). ![]() Click to Enlarge ET1 Housing with an RC Circuit Made from Standard Electronic Elements (Not Included)
The ET1 tube housing is an in-line (feedthrough) BNC structure with a male BNC connector on one side and a female BNC connector on the other side (as shown in the image to the right). The 2-56 screw in the base provides a convenient connection to ground, and the compact design can easily house a small number of standard electronic elements (e.g., resistors, capacitors, etc.). The Application Idea at the top of the page shows the ET1 with a simple RC filter using standard circuit elements. The ET1 electronic housing can hold a small (10 mm × 15 mm) form factor PCB that, using surface mounted elements, allows for the inclusion of many electronic elements. For example, Thorlabs' low- and high-pass filters (which were the basis for the ET1) house 5th and 6th order elliptical filters composed of anywhere from 8 to 15 electronic elements. The back side of the enclosure includes a blank label for identifying custom circuits. For detailed dimensions, click on the Docs icon ( ![]() ![]() Click to Enlarge The slotted body of the EEA14 housing is shown here with the EEAPCB1 Customizable PCB (shown with electrical elements, not included) partially inserted into it. ![]() Click to Enlarge Back View of the EEA14's Slotted Female BNC Connector
These Extruded Electronics Housings are empty 1.00" x 1.25" x 2.51" enclosures with nickel-plated ends. The EEA14 has two female BNC connectors and the EEA17 has two female SMA connectors. The housings have slots inside to accept a PCB with a thickness between 0.060" and 0.070". See the table below for compatible PCB sizes for the enclosures. For detailed dimensions of each enclosure, click on the blue icon ( The end plates of these housings are easily removable and are held in place with 4-40 round-head Phillips screws. The front side of the enclosures includes a blank label for identifying custom circuits. Note that these housings are made from extruded bar stock, and as such, some minor cosmetic defects in the finished products are to be expected.
![]() ![]() Click to Enlarge Each electronics housing has a blank area for writing labels to identify custom circuits. ![]() Click to Enlarge EEB3311 Housing with End Plate Removed
These extruded electronics housings are empty enclosures with nickel-plated ends. For detailed dimensions of each enclosure, click on the blue icon ( Each housing has two blank end plates with a Ø0.05" pilot bore through hole (EEA11) or dimple (all other housings) for custom connectors. Note that the dimple may be on the inner side of the end plate when the enclosure is shipped. We recommend using a step drill bit to machine a hole in the end plate; a standard, single-size drill bit may cause deformation in the plate. The end plates are easily removable and are held in place with 4-40 (EEA11) or M3 (all other housings) Phillips pan head screws. Extra blank end plates or end plates with BNC or SMA connectors are available separately below. Extra M3 screws, compatible with all housings except the EEA11, are also available below.
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Extra end plates with 2.2 mm wide-key FC/PC, 2.0 mm narrow-key FC/APC, or SMA905 fiber bulkheads are available for many of the housings sold above. See the table to the right for compatible housings. These end plates are shipped pre-assembled and are available with either one or two bulkheads. The FC/PC and FC/APC versions have an insertion loss* of <0.5 dB when measured at 635 nm with FC-terminated SM600 fibers. The SMA end plate has a typical insertion loss of <1.5 dB when used with a pair of Ø200 µm core multimode fibers. The connectors for these end plates are offset above center to accomedate a PCB or mounted fiber coupler installed in the housing. Four screws are included with each end plate for mounting to a compatible housing. Extra M3 Phillips pan head screws are available below in packs of 25. These screws are compatible with all of the housings sold above except the ET1, EEA11, EEA14, and EEA17. *Please Note: When PM fiber is used, the insertion loss will increase to >1.0 dB. The insertion loss for the FC/PC mating sleeve is only valid when using a FC/PC connector while the FC/APC mating sleeve will maintain the stated insertion loss with any FC connector. ![]()
Extra end plates with BNC or SMA connectors are available for many of the housings sold above. See the table to the right for compatible housings. ![]() Click to Enlarge Assembly of EEBEPBNC End Plate These endplates have a pre-drilled hole for their respective connector type. The components require some assembly when shipped, as shown in the photo to the right. Both the BNC and SMA connectors included with these items are female connectors. For electrical specifications of the connectors, click on the red Docs icon ( Extra M3 Phillips pan head screws are available below in packs of 25. These screws are compatible with all of the housings sold above except the ET1, EEA11, EEA14, and EEA17. ![]()
Extra blank end plates are available for many of the housing sold above. See the table to the right for compatible housings. These end plates have a Ø0.05" pilot bore dimple for custom connectors. We recommend using a step drill bit to machine a hole in the end plate; a standard, single-size drill bit may cause deformation in the plate. Blank end plates are also available in packs of 10. Extra M3 Phillips pan head screws are available below in packs of 25. These screws are compatible with all of the housings sold above except the ET1, EEA11, EEA14, and EEA17. ![]() These anodized aluminum clamps provide secure mounting for the rectangular electronics housings sold above. Four sizes of clamps are available, and each is designed to fit on one side of the housing; see the table below for compatibility. The clamp can snap onto the side of the appropriate housing and the flexure lock can be tightened using the 2 mm (5/64") hex locking screw on the side. Each clamp has a #8 (M4) counterbore on the bottom; the ECM225 has three of these counterbores. The counterbores allow the clamps to be mounted on a Ø1/2" post or any surface with an 8-32 (M4) tap. The clamp must be mounted via the counterbore before the electronics housing is attached, as the counterbore will not be accessible once the housing is secured in the clamp.
![]() ![]() Click to Enlarge EEC3011 Mounted on EED4011 using Two EPS175 Double-Sided Clamps These ABS plastic clamps provide secure mounting for the rectangular electronics housings sold above. Three sizes of clamps are available, and each is designed to attach two housings with a common side width; see the table below for compatibility. The clamp easily snaps onto the side of the appropriate housing. To remove the clamp, slide it along the edge of the housing until it comes off at the corner. These clamps are sold in pairs.
![]() Extra M3 Phillips pan head screws are available in packs of 25. These screws are compatible with all of the housings sold above except the ET1, EEA11, EEA14, and EEA17. They are used to secure an end plate to a compatible housing using the four corner holes. They are operated using a Phillips head screwdriver. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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