181 Switchcraft Inc., 181 Datasheet - Page 189

• Manufacturer Part Number: 181
• Description: CONN PLUG PHONE SILENT 2-COND
• Manufacturer: Switchcraft Inc.
• Series: SILENT-PLUGr
• Type: Audior

Specifications of 181

• 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: Tin
• 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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w w w . s w i t c h c r a f t . c o m
MT48/MT52 PATCHBAY SERIES
JACK PANELS
MT48/MT52 PATCHBAY SERIES
MT48/MT52 PATCHBAY SERIES
FEATURES AND BENEFITS
• Units feature either 48 or 52
• Steel frame jacks for superior jack life
• Attractive, corrosion resistant nickel-plated jacks
• Gold switching contacts for long-term reliability in normal-
• Offset ground terminal for ease in making common ground
• Fanned solder terminals for
• Cable tie bar takes the weight
• Four jack configurations
SPECIFICATIONS
MATERIALS
JACKS
Frame: Steel, nickel-plated
Bushing: Brass, nickel-plated
Springs: Nickel silver, solder lugs
Ground Terminal: Nickel silver,
solder lugs
Switching Contacts: Welded, gold alloy
Insulation: Phenolic spacers, rigid PVC tubing through stack
Screws: Steel, nickel-plated
PANEL
Jack Panel: Thermoplastic
Cable Support Bracket: 5/16”
diameter black epoxy painted steel rod
Screws (designation strip): Steel, black zinc-plated
Screws (mounting jack): Steel, nickel plated
MT Jax®
through connections
buss connections
easier solder connections
of cables off the jacks
available for the exact switching arrangement: full normal,
half normal, non-normal, and normals strapped
The MT48/52 Series patchbays offer a rugged cable tie bar
to support rear cabling. Also available is the normals strapped
configuration which has the shunts or normals tied together, top
to bottom jacks.
MT48FN
DIMENSIONS ARE FOR REFERENCE ONLY
Ordering Information
Part
Number
MT48FN
MT48HN
MT48NN
MT48NS
MT52FN
MT52HN
MT52NN
MT52NS
Kwik-change® Designation Strip: Extruded aluminum, black
anodized
Marking Strip:
White plastic, matte finish
Marking Strip Cover:
Clear, extruded plastic
MECHANICAL
Life: 30,000 cycles
Insertion Force: 7 lbs. maximum
Withdrawal Force: 1 lb. minimum
Operating: 0˚C to +50˚C
ELECTRICAL
Contact Resistance: 30 milliohms maximum initial
Insulation Resistance: 10,000 megohms maximum
Dielectric Withstanding Voltage: 500VAC at 60 Hz
Working Voltage: 140VDC
maximum
Current Rating: 100 milliamps
(mm)
Note: Contact your Switchcraft Representative for price and delivery
Inch
Type of
Jack
MT
MT
MT
MT
MT
MT
MT
MT
PHONE: 773 792 - 2700
No. of
Jacks
® Registered trademark of Switchcraft, Inc.
48
48
48
48
52
52
52
52
Description
Full normals
Half normals
No normals
Normals strapped
Full normals
Half normals
No normals
Normals strapped