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Miniature Cylindrical Connectors Amphenol PTB-22-55PSX for Pressurized and Environmental Applications

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Miniature Cylindrical Connectors Amphenol PTB-22-55PSX for Pressurized and Environmental Applications

Description : Circular Connector Adapters

Mfr. Part # : PTB-22-55PSX

Model Number : PTB-22-55PSX

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Amphenol Miniature Cylindrical Connectors - PT, SP, MS/PT Series

Product Overview
Amphenol Miniature Cylindrical Connectors, including the PT, SP, and MS/PT series, are designed for general duty and environmental applications in both industrial and military sectors. These connectors offer high reliability and design flexibility, featuring bayonet coupling and available with solder or crimp contact terminations. They are intermateable with all miniature series connectors and meet critical application needs for environmental sealing or pressurized applications. Key advantages include a compact size, high contact density, robust construction, and resistance to corrosion and environmental factors.

Application Scenarios:

Instrumentation
Monitoring Equipment
Machine Tool, Factory Automation
Communications
Geophysical
Industrial Controls and Robotics
Oil and Petrochemical Industries
Rail/Mass Transit
Military/Aerospace

Product Attributes

Brand: Amphenol
Origin: Formerly Bendix products
Certifications: UL recognized, CSA recognized
Materials: Machined low loss copper alloy contacts, gold plated; Resilient neoprene inserts; Aluminum shells
Coupling: 3-point bayonet coupling with 5 key/keyway polarization
Contact Types: Pin and socket contacts (machined, gold plated)
Contact Termination: Solder, Crimp (Rear Insertion/Front Release)
Environmental Sealing: Achieved with grommet and clamp design
Operating Temperature: -55C to +125C
Operating Voltage: Up to 1000 VAC (RMS) at sea level
RoHS Compliant: Available in some versions

Key Features & Options:

Twice the number of contacts in half the size of standard connectors.
Available in MS approved and qualified to MIL-DTL-26482, Series 1, and proprietary styles.
Various shell styles and insert arrangements.
Hermetic seal options (glass fusion).
Pressurized thru-bulkhead receptacle styles.
Pre-installed coax solder contacts available.
Printed circuit board (PCB) tail contacts available.
EMI Filter Protection (FPT Series).
Overmolded cable options.
Corrosion resistant finishes including conductive gray zinc nickel (RoHS compliant).

Technical Specifications

General Specifications:

Characteristic	Specification
Operating Temperature	-55C to +125C
Operating Voltage (Sea Level)	Up to 1000 VAC (RMS)
Contact Material	Machined low loss copper alloy, gold plated
Insert Material	Resilient neoprene
Coupling	3-point bayonet coupling
Polarization	5 key/keyway

Contact Data & Ratings (Solder Contacts):

Contact Size	Test Current	Maximum Millivolt Drop	Solder Well Diameter	Solder Well Depth
20	7.5 A	55 mV	.046" +.004" / -.000"	.125" +.031" / -.000"
16	13.0 A	50 mV	.078" +.005" / -.003"	.188" +.031" / -.000"
12	23.0 A	42 mV	.116" +.004" / -.002"	.188" +.031" / -.000"

Service Ratings (AC Voltage at Sea Level):

Service Rating	Recommended Operating AC Voltage	Test Voltage AC (RMS), 60 cps Sea Level	50,000 ft.	70,000 ft.	110,000 ft.
I	600 V	1,500 V	500 V	375 V	200 V
II	1,000 V	2,300 V	750 V	500 V	200 V

Shell Styles & Dimensions (Example: PT00 Wall Mounting Receptacle):

Shell Size	Class A, C L Max.	Class A, C M +.010 -.000	Class A, C Q Thread Class 2A	Class A, C Z Max.
6	.524	.906	.3125-32 NEF	.468
8	.524	.906	.4375-28 UNEF	.468
10	.524	.906	.5625-24 NEF	.468
12	.524	.906	.6875-24 NEF	.468
14	.524	.906	.8125-20 UNEF	.468
16	.524	.906	.9375-20 UNEF	.468
18	.524	.906	1.0625-18 NEF	.531
20	.650	1.125	1.1875-18 NEF	.531
22	.650	1.125	1.3125-18 NEF	.531
24	.650	1.125	1.4375-18 NEF	.498

Note: Full dimensions for all shell styles, service classes, and sizes are available in the detailed product catalog.

2411061627_Amphenol-PTB-22-55PSX_C22297566.pdf

Miniature Cylindrical Connectors Amphenol PTB-22-55PSX for Pressurized and Environmental Applications Images

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