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Amphenol PT / PT-SE Series Connectors (MIL-DTL-26482 Series I)

Amphenol PT / PT-SE Series Connectors (MIL-DTL-26482 Series I)

MATES WITH SOURIAU MIL-DTL-26482

The Amphenol PT series and PT-SE series connectors (MIL-DTL-26482 Series I) provide high-density contact arrangements in a circular shell. PT offers solder contacts, PT-SE offers high-performance crimp contacts, and PT-CE offers a commercial crimp option. These circular connectors provide quick-disconnect bayonet coupling for rapid mating and unmating, and several mounting styles and shell sizes. For full product details on Amphenol PT, PT-CE and PT-SE series connectors, see our specifications below.

Get shopping! Mil Spec prefixes include MS3110, MS3112, MS3114, MS3116, MS3119, MS3120, MS3122, MS3124 and MS3126. Amphenol proprietary prefix is PT.

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FEATURES

AMPHENOL PT/PT-SE SERIES FEATURES

  • Rugged Shell
    Aluminum alloy shell and hardware create a rugged connector with minimal weight. These connectors have been used extensively in commercial, military, and aerospace environments. Standard shells accept all MIL-DTL-26482 accessories.

  • Environmentally-sealed
    Complete moisture sealing is achieved by combining four seals: shell, peripheral, interfacial, and wire. Wire seal is accomplished by multiple ripple design, exceeding the wire sealing requirements of MIL-DTL-26482.

  • Resistant to Military Environments
    These connectors will operate in temperatures from -67˚F to +257˚F (-55˚C to +125˚C) under the harshest possible conditions.

  • Wide Range of Wire Gauges and Current-Carrying Capacity
    Up to 23 amps with wire gauges from 24 to 12 AWG wire.

  • Resilient insulator & grommet
    A resilient neoprene insulator and integrated rear wire sealing grommet guarantees a liquid-tight assembly. Crimp contacts that can be inserted from the rear of the connector are available. Solder contacts are permanently bonded into the insulator.

  • Solder or crimp gold-plated contacts
    PT connector contacts are gold-plated per MIL-G-45204 type II. PT-CE commercial crimp contacts are not military-approved, but the PT-SE crimp contacts are built in accordance to MIL-C-39029. Both types of contacts are crimped with the standard M22520/1 crimp tool. Socket contacts are closed to eliminate damage from test probes and to help prevent misaligned pins during engagement. Contact insertion is from the rear of the connector. When the contact is fully inserted, it snaps securely into retention tines embedded in the insulator. Contact extraction is accomplished from the front with the proper extraction tool. Pressing the tool plunger pushes the contact out through the rear of the connector.

  • Agency Approvals
    MIL-DTL-26482 / UL#E115497, for solder contacts only

MATERIALS & FINISHES

AMPHENOL PT/PT-SE SERIES MATERIALS & FINISHES
Shell
Aluminum Alloy
Shell Plating
Anodic coating (alumilite), olive drab chromate over cadmium over nickel, electroless nickel, olive drab zinc, non-conductive black zinc, conductive black zinc
Contacts
Copper alloy
Contact Platings
Gold-plated, 50 microinches minimum per MIL-G-45204 type II.
Insulator
Resilient neoprene. PT-SE and PT-CE insulators encase a tough plastic wafer with contact retention tines for high-reliability retention of crimp contacts.

ELECTRICAL DATA

AMPHENOL PT/PT-SE SERIES ELECTRICAL DATA
Operating Voltage/Test Voltage



Maximum Operating Voltage

Test Voltage

Service Rating*

Test Altitude

DC

AC (RMS)

DC

AC (RMS)

1

2


Sea Level

850

1,400

600

1,000

2,100

3,200

1,500

2,300

1

2


70,000

400

600

300

450

535

700

375

500


* Each insulator layout has a specific “service rating.” See here for solder, and here for crimp.


Current Rating

Contact Size

Rated Current Amps

Test Current Amps (Working)

Potential Drop (Millivolts) Initial

20

13

7.5

<55

16

22

13

<50

12

41

23

<42

Wire Range Sizes
24 to 12 AWG (and coax)
Contact Resistance
When tested to MIL-STD-1344 Method 3004, will not exceed voltage drops listed in table. Consult MIL-DTL-26482, 3.6.4 for details.
Insulation Resistance
5,000 megohms minimum at 77˚F (25˚C)


MECHANICAL

AMPHENOL PT/PT-SE SERIES MECHANICAL
Operating Temperature
-67˚F to +257˚F (-55˚C to +125˚C)
Sealing
48 hours in 6 feet of water per MIL-DTL-26482 4.6.14. Meets 10- and 20-day 50-95% humidity testing per MIL-STD-1344 Method 1002.2 per MIL-DTL-26482.
Wire Sealing Range
Per MIL-DTL-26482 1.4


Insulation Outside Diameter Limits: Inches (MM)

Contact Size

AWG Size

Min. (PT)

Min. (PT-SE/PT-CE)

Max. (PT/PT-SE/PT-CE)

20

24, 22, and 20

.047 (1.19)

.047 (1.19)

.083 (2.11)

16

20, 18, and 16

.066 (1.68)

.066 (1.68)

.109 (2.77)

12

12 and 14

.097 (2.46)

.097 (2.46)

.142 (3.61)

Insulation Strip Length


Contact Size

Wire Size (AWG)

Strip Length Inches (MM)

20

20-24

.275 (7.0)

16

16-20

.250 (6.4)

12

12-14

.250 (6.4)


Mating Life
500 cycles minimum per MIL-DTL-26482 3.6.17
Salt Spray
Unmated connectors and protective covers meet 48-hour exposure to MIL-STD-1344 Method 1001 per MIL-DTL-26482. (Cadmium plating) Olive drab/black zinc, electroless nickel meets 48-hour salt spray test.
Heat
+221˚F (+105˚C) for 1,000 hours per MIL-DTL-26482
Chemical Resistance
20-hour full-immersion unmated in hydraulic fluid and lubricating oil per MIL-DTL-26482.
Vibration
10 to 2,000Hz (15g’s) 10 microseconds maximum discontinuity. To MIL-STD-1344 Method 2005 per MIL-DTL-26482.
Shock
50g’s, 11ms duration, three major axes. 10 microseconds maximum discontinuity. To MIL-STD-1344 Method 2004 per MIL-DTL-26482.
Contact Type
Solder, crimp, printed circuit, thermocouple, coax
Number of Circuits
PT: 1 to 61; PT-SE & PT-CE: 2 to 61
Contact Insertion (Crimp)
Insertion from the rear of connector with simple hand-tool. Front release with appropriate extraction tool.
Contact Retention
To MIL-STD-1344 Method 2007 per MIL-DTL-26482.


Contact Size

Axial Load Min. Lbs

20

15 (66.7)

12 and 16

25 (111.2)


Polarization
Five keyway, three-point bayonet with optional rotational polarization. See here for solder, and here for crimp.
Approvals
MIL-DTL-26482H
UL#E115497 (PT solder only)


All dimensions in inches (millimeters in parentheses)

AMPHENOL PT/PT-SE SERIES EXERPT FROM MIL-DTL-26482H

3.7.4 JAN and J Marking. The United States Government has adopted and is exercising legitimate control over the certification marks “JAN” and “J”, respectively, to indicate that items so marked or identified are manufactured to, and meet all the requirements of specifications. Accordingly, items acquired to, and meeting all of the criteria specified herein and in applicable specifications shall bear the certification mark “JAN” except that items too small to bear the certification mark “JAN” shall bear the letter “J”. The “JAN” or “J” shall be placed immediately before the PIN except that if such location would place a hardship on the manufacturer in connection with such marking, the “JAN” or “J” may be located on the first line above or below the PIN. Items furnished under contracts or orders which either permit or require deviation from the conditions or requirements specified herein or in applicable specifications shall not bear “JAN” or “J”. In the event an item fails to meet the requirements on this specification and the applicable specification sheets, the manufacturer shall remove completely the military PIN and the “JAN” or the “J” from the sample tested and also from all items represented by the sample. The “JAN” or “J” certification mark shall not be used on products acquired to contractor drawings or specification. The United States Government has obtained Certificate of Registration Number 504,860 for the certification mark “JAN” and Registration Number 1,586,261 for the certification mark “J”.

COMPONENTS

AMPHENOL PT/PT-SE SERIES COMPONENTS


Plugs

Receptacles


PT

PTSE

PT

PTSE



O-Ring





Barrel/Shell



Wave Spring





Coupling Nut





Insert/Insulator



Contacts



Wire Sealing Grommet






Ferrule/
Compression Ring




Endbell/
Cable Clamp


 
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