D-Sub, D-Shaped Connectors - Accessories - Jackscrews

Image Part Number Description / PDF Quantity Rfq
554043-1

554043-1

TE Connectivity AMP Connectors

CONN STANDOFF M3.5 SCKT #6-32

31

5205818-3

5205818-3

TE Connectivity AMP Connectors

CONN SCREW LOCKS FEMALE 4-40

18982

1437012-5

1437012-5

TE Connectivity AMP Connectors

CONN IDC JACKSCREW ASSY

500

5554726-1

5554726-1

TE Connectivity AMP Connectors

SCREW,PAN HD, CPTV,SHLD CHAMP

3150

5748271-1

5748271-1

TE Connectivity AMP Connectors

CONN SCREW LOCKS FMALE KIT 4-40

567

747784-8

747784-8

TE Connectivity AMP Connectors

CONN JACKSCREW 4-40 0.210" 2PC

544

1857211-3

1857211-3

TE Connectivity AMP Connectors

SCREW RETAINER MALE 4-40 THREAD

86

5206052-3

5206052-3

TE Connectivity AMP Connectors

CONN D-SUB MOUNTING SCREW 4-40

4133

5229996-2

5229996-2

TE Connectivity AMP Connectors

SCREW, PAN HD, CAPTIVE

18291

5745563-4

5745563-4

TE Connectivity AMP Connectors

FEMALE SCREWLOCK KIT 10 PC PART

0

552634-7

552634-7

TE Connectivity AMP Connectors

CONN STANDOFF STUD M3.5 #4-40

0

5554272-1

5554272-1

TE Connectivity AMP Connectors

CONN CHAMP SCREW LOCK KIT 4-40

0

3-828102-1

3-828102-1

TE Connectivity AMP Connectors

CONN D-SUB FEMALE SCREW LOCK

0

5207952-3

5207952-3

TE Connectivity AMP Connectors

CONN D-SUB FEMALE SCREW LOCK

3299

5205817-4

5205817-4

TE Connectivity AMP Connectors

CONN FEMALE SCREWLOCK KIT 10PC

8925

5205817-1

5205817-1

TE Connectivity AMP Connectors

CONN SCREWLOCK FEMALE 2 SETS/BAG

12847

1-1393561-8

1-1393561-8

TE Connectivity AMP Connectors

CONN JACKSCREW 4-40 1.178"

2005

5207871-1

5207871-1

TE Connectivity AMP Connectors

CONN D-SUB MALE SCREW RETAINER

84

5745563-3

5745563-3

TE Connectivity AMP Connectors

CONN D-SUB FEMALE SCREW LOCK

0

5207953-3

5207953-3

TE Connectivity AMP Connectors

CONN SCREWLOCK FEMALE SHORT

0

D-Sub, D-Shaped Connectors - Accessories - Jackscrews

1. Overview

D-Sub (D-Subminiature) connectors are D-shaped metallic shell electrical connectors widely used in computing, industrial equipment, and communication systems. They feature polarized designs to prevent misalignment and provide stable signal transmission. Jackscrews are threaded fastening components used to secure D-Sub connectors to mating interfaces, ensuring mechanical stability and electrical continuity. These components remain critical in legacy systems and specialized applications despite the rise of modern alternatives like USB and HDMI.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Standard D-Sub9-104 contacts, 5:2 shell ratio, screw lockingRS-232 serial ports, industrial controls
High-Density D-SubDouble-row contacts, 37-104 pinsHigh-speed data acquisition systems
Micro D-SubMiniaturized design (13-52 contacts)Aerospace sensors, medical imaging
Threaded Jackscrews6-48 UNC threads, captive or free-floatingSecure panel mounting in vibration environments
Quick-Lock JackscrewsNon-threaded latching mechanismsRapid maintenance scenarios in broadcast equipment

3. Structure & Composition

D-Sub connectors consist of a conductive metal shell (aluminum or steel), multiple signal contacts (phosphor bronze with gold plating), and dielectric insulators (thermoplastic or ceramic). Jackscrews integrate threaded shafts (stainless steel or brass), washer systems, and mounting flanges. Connector shells often feature EMI shielding coatings, while jackscrews may include knurled grips for manual tightening.

4. Key Technical Specifications

ParameterImportance
Contact Current Rating (1-13A)Determines power handling capability
Voltage Withstand (100-1000V)Ensures insulation reliability
Contact Resistance (<10m )Impacts signal integrity
Temperature Range (-55 C to +125 C)Defines operational environment limits
Jackscrew Torque (3-15 in-lb)Prevents over-tightening damage
Material Corrosion ResistanceExtends service life in harsh conditions

5. Application Fields

Primary industries include industrial automation (programmable logic controllers), avionics (flight control panels), medical equipment (diagnostic imaging machines), and broadcast systems (video routers). Legacy computer systems (CNC machines) and military communications equipment remain significant deployment areas.

6. Leading Manufacturers & Products

ManufacturerRepresentative Products
TE ConnectivityDEUTSCH D-Sub series, ARINC 404 jackscrews
Amphenol97 Series high-vibration connectors, captive jackscrew kits
MolexMicroChange D-Sub connectors, quick-lock assemblies
SamtecHigh-speed D-Sub solutions, gold-plated jackscrews

7. Selection Recommendations

Key considerations: contact density requirements, environmental conditions (temperature/vibration), EMI shielding needs, and compliance with standards (MIL-DTL-24308, IEC 60087). For high-vibration environments, specify jackscrews with anti-backout features. Aerospace applications require lightweight composite shells, while industrial settings prioritize corrosion-resistant platings.

8. Industry Trends

Current developments focus on hybrid connectors integrating D-Sub with fiber optics, nanocoatings for extreme environments, and miniaturized designs maintaining backward compatibility. The market is shifting toward high-speed differential signaling capabilities (up to 10Gbps) while maintaining legacy form factors for equipment retrofits.

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