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