Terminals - Adapters

Image Part Number Description / PDF Quantity Rfq
73088-2

73088-2

Pomona Electronics

CONN ADPT MALE 8-32 TO JACK

16

901-BOX

901-BOX

3M

CONN ADPT TAP TO BARREL 1=50/BOX

15

73088-0

73088-0

Pomona Electronics

CONN ADPT MALE 8-32 TO JACK

30

321688

321688

TE Connectivity AMP Connectors

CONN ADPT 0.25 TAB TO 0.25 TAB

0

0190430010

0190430010

Woodhead - Molex

CONN ADPT 0.25 RCPT TO 0.25 TABS

2147483647

0190430001

0190430001

Woodhead - Molex

CONN ADPT 0.25 RCPT TO 0.25 TABS

2098

61045-2

61045-2

TE Connectivity AMP Connectors

CONN ADPT .187 TABS TO .187 RCPT

9769

D-250A-M

D-250A-M

Panduit Corporation

CONN ADPT 0.25 TABS TO 0.25 RCPT

9

17-10-250

17-10-250

3M

CONN ADPT 0.25 TAB TO TERM

2097

MA250DMFMX-A-BOTTLE

MA250DMFMX-A-BOTTLE

3M

CONN ADPT.25TABS TO .25RCPT100PC

5

73088-6

73088-6

Pomona Electronics

CONN ADPT MALE 8-32 TO JACK

4

73086-2

73086-2

Pomona Electronics

CONN ADPT FEMALE 10-32 TO JACK

71

1-321235-1

1-321235-1

TE Connectivity AMP Connectors

CONN ADPT 0.25 TAB TO 0.25 TAB

3068

73086-0

73086-0

Pomona Electronics

CONN ADPT FEMALE 10-32 TO JACK

162

D-250A-C

D-250A-C

Panduit Corporation

CONN ADPT 0.25 TABS TO 0.25 RCPT

7413700

1-321235-0

1-321235-0

TE Connectivity AMP Connectors

CONN ADPT 0.25 TAB TO 0.25 TAB

3536

901-BULK

901-BULK

3M

CONN ADPT TAP TO BARREL

0

61765-1

61765-1

TE Connectivity AMP Connectors

CONN ADPT 0.25 TABS TO 0.25 RCPT

19756

0190430053

0190430053

Woodhead - Molex

CONN ADPT 0.25 RCPT TO 0.25 TABS

2362

0191630076

0191630076

Woodhead - Molex

CONN ADPT FT SL SN/B

0

Terminals - Adapters

1. Overview

Terminals - Adapters are critical components in electrical and electronic systems, serving as interfaces that enable connectivity between disparate systems, devices, or subsystems. These components facilitate the transfer of electrical signals, power, or data across varying standards, geometries, or protocols. Their importance in modern technology spans industries including telecommunications, industrial automation, healthcare, and consumer electronics, where interoperability and reliability are paramount.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Power AdaptersConvert voltage/current levels between systemsAC-DC power supplies for industrial equipment
Signal ConvertersTranslate between electrical signaling standards (e.g., RS-232 to USB)Data acquisition systems in test equipment
Mechanical Interface AdaptersBridge physical connector geometry differencesMIL-STD to civilian connector interfaces
Impedance Matching AdaptersEnsure signal integrity through impedance alignmentRF/microwave test benches

3. Structure and Components

Typical terminal adapters consist of: - Conductive Pathways: Copper/aluminum busbars or PCB traces for current flow - Insulation System: Thermoplastic or ceramic materials rated for operating voltage - Mechanical Housing: Metal/plastic enclosures with EMI shielding (e.g., 0.1mm thick aluminum) - Interface Elements: Precision-machined contacts (e.g., phosphor bronze with gold plating) - Thermal Management: Heat sinks integrated for power applications (>10A)

4. Key Technical Specifications

ParameterTypical RangeImportance
Current Rating0.5A - 200ADetermines power handling capacity
Contact Resistance1m - 20m Affects signal integrity and power loss
Dielectric Withstand Voltage500V - 10kVSafety and insulation reliability
Temperature Range-55 C to +150 CEnvironmental durability specification
Insertion Loss0.1dB - 3dBHigh-frequency signal transmission efficiency

5. Application Fields

  • Industrial Automation: PLC interface modules, sensor/actuator connections
  • Telecommunications: Fiber optic to copper network bridging
  • Medical Equipment: Patient monitoring device interface adapters
  • Aerospace: Avionics system connector standard conversion
  • Consumer Electronics: USB-C to legacy peripheral adapters

6. Leading Manufacturers and Products

ManufacturerKey Product SeriesTechnical Highlights
AmphenolMIL-DTL-38999High-vibration environments, IP67 rated
TE ConnectivityDeutsch DT06Automotive-grade sealed connectors
MolexMini-Fit Jr.High-density board-to-wire solutions
SamtecSEAM SeriesHigh-speed edge rate adapters (112Gbps PAM4)

7. Selection Recommendations

Key selection criteria include:

  1. Electrical Requirements: Match current/voltage ratings with system needs
  2. Environmental Factors: Consider temperature (-40 C vs. +85 C), humidity, and vibration
  3. Signal Integrity: For high-speed applications, prioritize low insertion loss (<0.5dB at 10GHz)
  4. Compliance: Ensure standards certification (e.g., UL 94V-0 flammability rating)

Case Study: Industrial automation system using Phoenix Contact's Combicon series achieved 99.98% uptime by selecting adapters with 5m contact resistance and IP68 rating.

8. Industry Trends Analysis

Key development directions include:

  • Miniaturization: 0.4mm pitch interconnects (vs. traditional 2.54mm)
  • High-Speed Capabilities: 112Gbps PAM4 signaling support
  • Smart Integration: Built-in sensors for condition monitoring (e.g., temperature/vibration)
  • Sustainability: 80%+ recyclable materials in housing (e.g., bio-based polymers)
  • Customization: Rapid prototyping with 3D-printed housing structures
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