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LITTEL-JAX 2- AND 3- CONDUCTOR
FAX: 773 792-2129
JACKS AND PLUGS
?
* Please visit the product pages on our website for the most up-to-date product information
1/4" PHONE JACKS (continued)
LITTEL-JAX ? COMMERCIAL PHONE JACKS - 2- AND 3-CONDUCTOR AND
MIL LITTEL-JAX ? PHONE JACKS - 2- AND 3-CONDUCTOR MIL-SPEC, MIL-J-641 (E)
95
SPECIFICATIONS
MECHANICAL
Life: Commercial Jacks: 10,000 insertion/withdrawal
cycles, minimum. Military Jacks: 20,000 insertions/
withdrawals, minimum.
Mechanical Shock: Military Jacks: Per MIL-STD 202,
method 213, Test Condition H (75g).
Vibration: Military Jacks: Per MIL-STD-202,
method 213, (10-55 Hz).
Insertion/Withdrawal Forces: (see charts below)
COMMERCIAL JACKS
Sleeve Terminal: Copper alloy.
Hardware: Supplied with one Number P10001 copper alloy
nickel-plated hex nut, and one Number 51022 steel nickel-plated
washer - except copper alloy nickel-plated washer Number
S10451 supplied on C11, C12A and C12B.
*Commercial jacks feature integral contacts. Integral contacts should
not be used where low contact resistance is a requirement.
Littel Jax ? Jacks
Plug Diameter (inches)
Insertion (maximum)
Withdrawal (minimum)
MILITARY JACKS
.210
7 lb.
1 lb.
.250
7 lb.
1 lb.
Part Number
Insertion (maximum)
C11
6 lb.
C12A
7 lb.
C12B
6 lb.
Withdrawal (minimum)
Withdrawal (maximum)
2 lb.
7 lb.
3 lb.
7 lb.
1.5 lb.
5 lb.
11, L-11, C-11, S-11
*.276" for No. FA-11
FA-11, FAL-11
S-12A, SC-12A
12 12-A, L-12A
S-12A, SC-12A
12A, L-12A
ELECTRICAL
Contact Resistance: Commercial Jacks - .030 ohms
maximum (initial), .050 ohms maximum (after humidity,
durability exposure). Per MIL-STD-202E. Military Jacks -
.010 ohms maximum (initial), .020 ohms maximum (after life),
.10 ohms maximum (after salt spray).
Insulation Resistance: Commercial Jacks - 10,000 M ?
minimum (initial), 1,000 M ? minimum (after humidity). Military
Jacks - 10,000 M ? minimum (initial), 1,000 M ? minimum
(after humidity, durability exposure).
Dielectric Withstanding Voltage: 500 V, 60 Hz (rms) AC.
Contact Rating: 1 A, 25 V DC.
PC-12A
12B, C12B
13
13A
S-12B, SC-12B
ENVIRONMENTAL
Thermal Range: Commercial Jacks; -55°C to +85°C
(non-operating); -20°C to +65°C (operating). Military Jacks; -
55°C to +85°C (non-operating); -40°C to+65°C (operating).
Thermal Shock: Commercial Jacks - Per MIL-STD 202,
method 107. Military Jacks - Per MIL-STD 202, method 107.
Humidity: Commercial Jacks - Per MIL-STD 202, method
106. Military Jacks - 0% to 95% operating and non-operating.
Salt Spray: Commercial Jacks - Per MIL-STD 202, method
101. Military Jacks - Per MIL-STD 202, method 101 (48 hours).
Moisture Resistance: Military Jacks - Per MIL-STD 202,
method 106 (240 hours).
MATERIAL
13B, S-13B
13E
14B
Mounting Bushing: Nickel-plated copper alloy.
Insulation: Rigid plastic.
Springs: Special copper alloy. Integral contacts are standard
in the isolated switching circuits; fine silver contacts
in C12A switching circuit.
DIMENSIONS ARE FOR REFERENCE ONLY
Inch
(mm)
SWITCHCRAFT, INC. 5555 N. Elston Ave. ? Chicago, IL 60630
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