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BANTAM TYPE JACKS
FAX: 773 792-2129
TT-JAX (.173") TELEPHONE TWIN JACKS BANTAM TYPE
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JACKS AND PLUGS
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* Please visit the product pages on our website for the most up-to-date product information
89
FEATURES
? Steel or die-cast frames. (Special order only).
? Twin, 3-conductor jacks on .312" 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: #3-48 x 1/4" 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.
TT89
SCHEMATIC
Solder Lugs
Wire-Wrapping Terminals
Typical Mating
Steel
TT89
TT89FM
Die Cast
? TT89DC
? TT89FMDC
Steel
WTT89
WTT89FM
Die Cast
? WTT89DC
? WTT89FMDC
Conductors
Twin
3-conductor
Plug 1
TT263
TT263
1. See Mating Plugs Section.
? Special order only
DIMENSIONS ARE FOR REFERENCE ONLY
Inch
(mm)
SWITCHCRAFT, INC. 5555 N. Elston Ave. ? Chicago, IL 60630
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