TT-JAX® (.173) TELEPHONE TWIN JACKS BANTAM TYPE®
1. WTT89DC DIE-CAST FRAME (special order only)
2. TT89FM STEEL FRAME
click here to download a schematic
drawing
(you will need to have Adobe Acrobat installed on your system to do this)
FEATURES
* Steel or die-cast frames. (Special order only).
* Twin, 3-conductor jacks on .312 inch centers, inter-
connected so circuit is opened when a mating plug is
inserted in one side of the jack.
* Palladium welded crossbar contacts are standard in
switching circuits.
* Solder lugs or wire-wrapping terminals.
* TT89, TT89C, WTT89 and WTT89DC jacks mount in
Series 1700 jack panels.
* TT89FM, TT89FMDC, WTT89FM and WTT89FMDC
jacks mount in Series TT59, TT60, TT61 and TT62
jack panels.
SPECIFICATIONS
Frame: Plated (steel or diecast zinc).
Stack Screws: Steel-plated.
Bushing: Plated (steel or copper alloy).
Tip, Ring and Contact Springs: Copper alloy.
Contacts: Welded crossbar palladium. Other alloys in various sizes available on special order.
Insulation: Rigid plastic with plastic tubing through stack assembly.
Mounting Hardware: #3-48x1/4 inch mounting screws, P10834, can be ordered separately for TT89, TT89DC, WTT89 and WTT89DC jacks. Two mounting screws, P25424, are supplied with TT89FM, TT89MDC, WTTFM and WTT89FMDC jacks.
NOTE: Dimensional drawings show panels with steel frame jacks. Overall dimensions for steel or die-cast frame jacks are the same.
Solder Lugs
|
Wire-Wrapping Terminals |
Dim."X" Max. |
Typical Mating |
Steel
|
Die Cast |
Steel |
Die Cast |
Inch (mm) |
Conductors |
Plug2 |
TT89
|
ý |
WTT89 |
ý |
Note 1 |
|
TT263 |
| TT89FM |
ý |
WTT89FM |
ý |
1.188 (3.02) |
3 |
TT263 |
1 Jacks with solder lugs: 1.062 (27). Jacks with wire-wrapping terminations: 1.688 (42.9).
2 See Mating Plugs Section.
ý Special order only
|
