SN49B11 Switchcraft Inc., SN49B11 Datasheet - Page 115

• Manufacturer Part Number: SN49B11
• Description: CONN PHONE JACK 2COND OPEN
• Manufacturer: Switchcraft Inc.
• Series: SN49Br

Specifications of SN49B11

• Rohs Information: Switchcraft RoHS Info.
• Connector Type: Phone Jack
• Gender: Female
• 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: Through Hole, Right Angle
• Termination: Solder
• Shielding: Unshielded
• Features: Mounting Hardware, Thread Lock
• Standard: 1/4 in
• Termination Style: Solder
• Orientation: Horizontal
• Contact Plating: Tin
• Color: Black
• Contact Material: Copper Alloy
• Voltage Rating: 500 Volts
• Mounting Style: PCB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

110
w w w . s w i t c h c r a f t . c o m
JACKS AND PLUGS
MINIATURE PHONE JACKS
MINIATURE PHONE JACKS
.141" MINIATURE PHONE JACKS
TINI-JAX
NUMBERS 41, 42A, 43A
Tini-Jax 2-conductor phone jacks, (for limited space
connecting, mate with miniature phone plugs having .141 "
diameter fingers and compatible tip shape) are 1/3 the size of
Littel-Jax
interlock internal parts. Unique tip spring shape mates with
Switchcraft Tini-Plug
diameter in panels up to .125" thick (mounting hardware
supplied). For insulated mount, order two washers separately,
Number S1564 (swedged fiber washer .312" diameter
mounting hole) and number S2207 (flat phenolic washer).
SPECIFICATIONS
MECHANICAL
Life: 5,000 insertion/withdrawal cycles, minimum.
ELECTRICAL
Contact Resistance: .075 ohms maximum.
Insulation Resistance: 5,000 MΩ minimum.
Dielectric Withstanding Voltage: 250 V AC maximum.
Contact Rating: .25A, 48 V DC.
MATERIAL
Mounting Bushing: Nickel-plated copper alloy.
Insulating Spacers: Rigid plastic.
Springs: Special copper alloy.
Sleeve Terminal: Tin-plated copper alloy.
Hardware: Supplied with one, Number P11501
nickel-plated copper alloy locknut, and one,
Number S17901 nickel-plated steel flat washer.
1. See jack schematics, pages 79 and 80.
2. See Plugs Section for mating information.
3. When inserted, plug tip contacts “make” tip spring. Further insertion allows
PC142A
Number
tip to short “make” tip spring and tip spring together. Full insertion opens
tip shunt circuit.
142A
42A
43A
Part
41
®
®
and weigh less than 1/8 ounce. Notched insulators
41
MINIATURE PHONE JACKS,
Open circuit
Shunted (closed circuit)
Special transfer circuit
Shunted (closed circuit)
Shunted (closed circuit)
Description
®
phone plugs. Mounting hole: .250"
Schematic
42A
Note 3
Jack
III
III
III
I
DIMENSIONS ARE FOR REFERENCE ONLY
1
Typical
Mating
Plug
750
750
750
750
750
2
TINI-D-JAX
PHONE JACKS, NUMBERS 142A, PC142A
Tini-D Jax uses Hi-D Jax
centers. Weight: 3.6 grams. Number 142A mounts through .25"
diameter hole in chassis/panel up to .125" thick. Four standoff
dimples
effective length of bushing to .187" (special order).
Number PC142A has special spring terminals for “snap-in”
mounting to PC boards up to .125" thick - ready for hand,
wave or dip-soldering.
SPECIFICATIONS
MECHANICAL
Life: 5,000 insertion/withdrawal cycles, minimum.
Insertion/Withdrawal: 15 ounce minimum,
40 ounce maximum, insertion. 12 ounce minimum,
25 ounce maximum, withdrawal.
ELECTRICAL
Contact Resistance: .10 ohms maximum.
Dielectric Withstanding Voltage: 250 V AC maximum.
Shunt Tension: 100 grams minimum.
MATERIAL
Housing: Molded plastic.
Mounting Bushing: Plated copper alloy.
Tip Spring: Plated copper alloy, bifurcated.
Shunt Springs: Plated copper alloy.
Sleeve Bracket: Plated steel.
Insulator: Rigid plastic.
Hardware: Number 142A supplied with one, Number P1975
nickel-plated copper alloy locknut, and one, Number S3997
nickel-plated steel flat washer.
142A
can
Note: Contact your Switchcraft Representative for price and delivery
(mm)
Inch
®
MINIATURE ENCLOSED
be
molded
®
PHONE: 773 792 - 2700
construction and mounts on .375"
® Registered trademark of Switchcraft, Inc.
PC142A
into
housing
to
reduce