285 Switchcraft Inc., 285 Datasheet - Page 25

• Manufacturer Part Number: 285
• Description: CONN PLUG 2-COND 1/4" PHONE SLD
• Manufacturer: Switchcraft Inc.
• Series: LITTEL-PLUG®r

Specifications of 285

• 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
• 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
• Standard: 1/4 in
• Termination Style: Solder, Crimp
• Contact Plating: Nickel
• Color: Nickel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Details

24
PATCHBAYS
MT48K/MT52K Patchkit Series
Features and Benefits
• Kit features 48 1/4" longframe
• Allows user to add cable and
• Removable jack panel from the
• Jacks have gold switching
• Fanned solder terminals for easier
• Offset ground lugs allow easy
• Jacks have a nickel-plated frame
• Wire management straps are
Specifications
Materials
Jacks
Panel
Mechanical
Frame: Stamped nickel-plated
Bushing: Nickel-plated brass
Tip, Ring and Shunt Springs:
Assembly Screws: Nickel-plated
Welded Contacts: Gold alloy
Front Panel: Thermoplastic
Frame: C.R.S. black epoxy paint
Designation Strips: Black
Designation Strip Covers: Clear
Life: 30,000 cycles
Insertion Force: 7 lbs. maximum
Withdrawal Force: 1 lb. minimum
Operating: 0˚C to +50˚C
jacks in one rack space (1" high)
or in two rack spaces (3" high) or
52 1/4" longframe jacks in one
rack space (1" high)
termination panel
front allows easy soldering of
wire connections
contacts
soldering
bussing of ground with one wire
and assembly screws
reusable and adjustable
steel
Nickel silver with welded
contacts
steel
polycarbonate 94V-0
polycarbonate
* Please visit the product pages on our website for the most up-to-date product information
Electrical
Ordering Information
Part Number
MT48K1NS
MT48K1FN
MT48K1HN
MT48K1NN
MT52K1NS
MT52K1FN
MT52K1HN
MT52K1NN
MT48K3FN
MT48K3HN
MT48K3NN
MT52K3FN
MT52K3HN
MT52K3NN
Contact Resistance: 30 milliohms
Insulation Resistance: 10,000
The MT48/52K Patchkit Series offers the end user a rugged cable tray to support
rear cabling. Heavy duty construction takes weight off the back of the jacks for
increased reliability. Available in 1.75" or 3.5" height versions.
maximum initial
megohms maximum
MT52K1FN
Type of Jack No. of Jacks
MT
MT
MT
MT
MT
MT
MT
MT
MT
MT
MT
MT
MT
MT
48
48
48
48
52
52
52
52
48
48
48
52
52
52
Dielectric Withstanding Voltage:
Working Voltage: 140VDC
Current Rating: 100 milliamps
500VAC at 60 Hz
maximum
Height
1.75"
1.75"
1.75"
1.75"
1.75"
1.75"
1.75"
1.75"
3.5"
3.5"
3.5"
3.5"
3.5"
3.5"
Description
Normals strapped
Full normals
Half normals
No normals
Normals strapped
Full normals
Half normals
No normals
Full normals
Half normals
No normals
Full normals
Half normals
No normals