172 Switchcraft Inc., 172 Datasheet - Page 98

• Manufacturer Part Number: 172
• Description: CONN PLUG PHONE SILENT 2-COND
• Manufacturer: Switchcraft Inc.
• Series: SILENT-PLUGr
• Type: Audior

Specifications of 172

• 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: Screw
• 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
• 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

FAX: 773 792 - 2129
SWITCHCRAFT, INC. 5555 N. Elston Ave. • Chicago, IL 60630
.177" ENCLOSED JACKS
Two- and 3-conductor Unijax
of Hi-D Jax
and .177" bushing that mates with a variety of tini-telephone
plugs and patchcords. Bushing diameter is .281" inside
diameter; panel thickness is .125". Mounts in rows or arrays
on .469" centers.
SPECIFICATIONS
MECHANICAL
Insertion/Withdrawal: 2-conductor, 1.25 pounds nominal,
3 pounds maximum insertion. 3-conductor, 1.5 pounds nominal,
3 pounds maximum insertion. 2-conductor, 3 pounds nominal,
1.5 pounds minimum withdrawal. 3-conductor, 3 pound nominal,
1.5 pounds minimum withdrawal.
Life: 10,000 insertion/withdrawal cycles minimum.
ELECTRICAL
Contact Resistance: .10 ohms maximum.
Insulation Resistance: 1,000 MΩ minimum.
Dielectric Withstanding Voltage: 500 V AC maximum.
MATERIAL
Housing: Thermoplastic.
Mounting Bushing: Nickel-plated copper alloy.
Tip and Ring Springs: Copper alloy, silver-plated.
Integral contacts.
Shunt Springs: Copper alloy, silver-plated
integral contacts.
Sleeve Terminal: Steel, tin-plated.
Hardware: Supplied with one, Number P2060
nickel-plated copper alloy locknut, and one,
Number P2061 nickel-plated copper alloy washer.
®
jacks including chassis/panel and PC mounting
®
jacks have advanced features
1. See jack schematics on pages 79 and 80.
2. See Mating Plugs Section.
Number
UJ1
UJ2A
UJ2B
UJ4B
Part
THREE CONDUCTOR PART NUMBERS
TWO CONDUCTOR PART NUMBERS
Open circuit
Single closed circuit
Double Open circuit
Double closed circuit
DIMENSIONS ARE FOR REFERENCE ONLY
Description
®
Schematic
Jack
XII
IV
III
UJ4B
I
(mm)
Inch
1
Typical
Mating
TT251
TT251
TT253
TT253
Plug
2
JACKS AND PLUGS
ENCLOSED JACKS
ENCLOSED JACKS
93