182 Switchcraft Inc., 182 Datasheet - Page 90
![no-image](/images/manufacturer_photos/0/6/645/switchcraft_inc__sml.jpg)
182
Manufacturer Part Number
182
Description
CONN PLUG PHONE SILENT 2-COND
Manufacturer
Switchcraft Inc.
Series
SILENT-PLUGr
Type
Audior
Datasheet
1.182.pdf
(333 pages)
Specifications of 182
Rohs Information
Switchcraft RoHS Info.
Connector Type
Phone Plug
Gender
Male
Signal Lines
Mono
Plug/mating Plug Diameter
6.35mm (0.250", 1/4") - Headphone
Number Of Positions/contacts
2 Conductors, 2 Contacts
Internal Switch(s)
Does Not Contain Switch
Mounting Type
Free Hanging (In-Line)
Termination
Solder Eyelet(s)
Shielding
Shielded
Features
Cable Clamp
Number Of Ports
1Port
Body Orientation
Straight
Number Of Terminals
2
Contact Material
Copper Alloy
Number Of Contacts
2POS
Mounting Style
Cable
Termination Method
Solder
Housing Material
Plastic
Termination Style
Solder
Contact Plating
Nickel
Color
Nickel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Color
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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FAX: 773 792 - 2129
SWITCHCRAFT, INC. 5555 N. Elston Ave. • Chicago, IL 60630
1/4" LONG FRAME TELEPHONE TWIN JACKS
High quality telephone jacks are essentially doubled versions
of MT-Jax
2600 and JP
Twin-Jax
MT388 AND WMT388
Frame mounting ears are on 1.375" centers, and bushings
are on .625" centers. Jacks are double, 2-conductor type with
a crossover wiring feature. If a mating plug is inserted in
either bushing, crossover contacts are opened (see
schematic). MT388 (solder lugs) is equivalent to WEco jack
410A, 410C and 410D. WMT388 (wire-wrapping) is equivalent
to WEco 410AM.
MT389 AND WMT389
Double, 3-conductor jacks with both the tip and ring circuits
interconnected (crossover wired) so if a plug is inserted in
either jack, common circuits are opened (see schematic).
MT-389 (solder lugs) is equivalent to WEco 482A. WMT389
(wire-wrapping) is equivalent to WEco 482AM and 482BM.
MT389
®
®
have direct WEco equivalents.
. Twin-Jax
®
Jack Panels and other standard jack panels.
MT388 and WMT388
®
are used in Switchcraft Series 2400,
MT388
WMT389
DIMENSIONS ARE FOR REFERENCE ONLY
SPECIFICATIONS
Frame and Stack Screws: Steel, plated with iridescent
iridite finish.
Springs: Copper alloy, spring tempered. Solder lugs are
solder coated.
Bushings: Nickel-plated copper alloy.
Contacts: Welded crossbar palladium in shunt circuits.
Insulation: Rigid plastic (MIL-type PBE-P, per MIL
Specification LP-513C). Extruded plastic insulating tubing
through stack.
ORDERING
Order by part number from table.
◊ Special Order only; contact Switchcraft.
1. Number MT388 is equivalent to MIL-type M641/11-1
2. Complete data for telephone and MIL-type plugs are contained in this section.
Mounting Screws: #6-32, Part Number P10725, can be ordered separately.
Contact Switchcraft. (Screws not supplied with jacks).
◊WMT388 Switchcraft types 411, 412, 413, 420
WMT389
Number
MT388
MT389
Part
MT388 and
WMT388
1
(mm)
Inch
MIL types M642/9-1 and M642/1-1
MIL types M642/2-1 and M642/2-2
Switchcraft types 414 and 482
LONG FRAME TELEPHONE TWIN JACKS
LONG FRAME TELEPHONE TWIN JACKS
WEco types 298B and 347B
SCHEMATIC CIRCUITS
Adjusted for Plug
MT389 and WMT389
WEco type 310
MT389 and WMT389
JACKS AND PLUGS
Dim. “X” max.
.562 (14.3)
.594 (15.1)
Inch (mm)
.562 (14.3)
.562 (14.3)
85
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