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1/4″ Stereo 3 Conductor Jack w/Nut & Washer, Double Open Circuit.
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 |
||
| Plug Diameter (inches) | .210 | .250 |
| Insertion (maximum) | 7 lb. | 7 lb. |
| Withdrawal (minimum) | 1 lb. | 1 lb. |
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(omega) minimum (initial), 1,000 M(omega) minimum (after humidity). Military Jacks – 10,000 M(omega) minimum (initial), 1,000 M(omega) minimum (after humidity, durability exposure).
Dielectric Withstanding Voltage:500 V, 60 Hz (rms) AC.
Contact Rating:1 A, 25 V DC.
ENVIRONMENTAL
Thermal Range:Commercial Jacks; -55C to +85C (non-operating); -20C to +65C (operating). Military Jacks; -55C to +85C (non-operating); -40C to +65C (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
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.
Sleeve Terminal:Copper alloy.
Hardware:Supplied with one NumberP10001copper alloy nickel-plated hex nut, and one NumberS1022steel nickel-plated washer – except copper alloy nickel-plated
washer NumberS10451supplied on C11, C12A and C12B.
* Commercial jacks feature integral contacts. Integral contacts should not be used where low contact resistance is a requirement.
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