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Amphenol 348 Series M81511 Connector
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AMPHENOL

Interconnect Product Manufacturer, Electrical, Electronic, Fiber Optic Connectors, Coaxial Cable and more

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Manufacturer
AMPHENOL
Brand
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SKU
141541
Product Name
Amphenol 348 Series M81511 Connector
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Product Details

RELIABLE HIGH-DENSITY CONNECTORS

This Amphenol 348 Series M81511 connector provides reliability & high contact density. 348 Series is a commercial equivalent to MIL-C-81511, not qualified to MIL-C-81511, they accommodate a minimum of three circuits to a maximum of one hundred and fifty five circuits. The Amphenol 348 Series M81511 connector is available in two basic constructions: Long (Series I) & Standard (Series II). The Series I M81511 connector features 100% scoop-proof construction (potential contact damage minimized by recessed pins). The Series II M81511 connector are scoop-proof when pin contacts are specified in the receptacle shell only. Mil Spec connector part numbers begin M81511/. Amphenol Proprietary part numbers begin 348-.

 

 

Materials & Finishes

Pin Contact (standard)
Copper base alloy, gold plated per 50 micro inches min. per MIL-G-45204 over suitable underplate.
 
Socket Contact (standard)
Copper base alloy, gold plated per MIL-G-45204 over suitable underplate. Hood material is stainless steel.
 
Shell
Aluminum alloy finish for E class connectors - cadmium plate over suitable underplate.
 
Inserts
High grade dielectric material

 

 

Materials & Finishes

Dielectric Withstanding Voltage
Connectors shall show no evidence of breakdown or flashover when subjected to the test voltages and altitudes specified in table. Corona shall not be considered as breakdown. (Sea level tests performed per method 3001 of MIL-STD-1344; Altitude tests per method 1005, condition C, of MIL-STD-202).

 

 

 

Test Voltage (ac, rms, not working voltage)

 

Maximum recommended working voltage, ac, rms

 

 

Mechanical

Maintenance Aging   All contacts shall be removed and installed for 10 cycles. After 10th cycle, contact insertion and retention forces are as shown in table:


* Applies to both 23-28 and 23-22 contact sizes.

Durability
After 500 mating-unmating cycles at a maximum rate of 300 cycles per hour, connectors shall not show any damage detrimental to the operation of the connector.
 
Corrosion
After salt spray testing per method 1001, condition B, MIL-STD-1344 connectors shall show no exposure of basis metal which will affect performance.
 
Fluid Immersion
Unmated connectors shall be immersed fully in fluids specified in table. At least one connector must be immersed in each fluid type. After the immersion period and a drying period of 1 hour, the connectors must remain completely functional.
 
Fluids for fluid immersion - Connector Class E
MIL-H-5606, MIL-L-23699
 
Thermal Shock
Connectors shall remain completely functional after being subjected to the temperature extremes specified below:

 

 


* Tested in accordance with method 1003, of MIL-STD-1344 per test conditions listed.

 

Vibration
Connectors shall undergo vibration testing per method 2005, test condition IV, MIL-STD-1344 in low and high temperature extremes of preceding table with all contacts connected in series, and a current flow of 100 milliamperes. There shall be no circuit interruption longer than 1 micro-second.
 
Physical Shock
The application of 1/2 sine-wave transient shock impulses of 50 gravity units to 3 planes for 11 milli-seconds, with test voltage applied to series connected contacts, shall result in no discontinuity longer than 1 micro-second. Connectors shall not be damaged, parts shall not become loose.
 
Temperature Life
Mated connectors shall perform satisfactorily after being subjected to ambient temperatures specified, per class for 1000 hrs.
 
EMI Shielding Effectiveness
As measured in a triaxial EMI leakage tester, connector shells with grounding springs shall exhibit a radio frequency attenuation equal to or greater than the following:

 

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AMPHENOL
Interconnect Product Manufacturer, Electrical, Electronic, Fiber Optic Connectors, Coaxial Cable and more
A WORLDWIDE VISION CONNECTING PEOPLE WITH TECHNOLOGY Amphenol is one of the largest manufacturers of interconnect products in the world. The Company designs, manufactures and markets electrical, electronic and fiber optic connectors, coaxial and flat-ribbon cable, and interconnect systems. The primary end markets for the Company's products are communications and information processing markets, including cable television, cellular telephone and data communication and information processing systems; aerospace and military electronics; and automotive, rail and other transportation and industrial applications.
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