D-Shaped Connectors - Centronics

Image Part Number Description / PDF Quantity Rfq
1734037-6

1734037-6

TE Connectivity AMP Connectors

CONN BTB RCPT 60POS R/A SOLDER

395

DX10-36S(50)

DX10-36S(50)

Hirose

CONN 1.27MM PITCH HIDENSITY

0

FX2CA-52P-1.27DSA(71)

FX2CA-52P-1.27DSA(71)

Hirose

CONN HEADER VERT 52POS 1.27MM

38

DX20A-36S(50)

DX20A-36S(50)

Hirose

CONN RECEPT VERT 36PIN PCB

0

B57-050-221-202

B57-050-221-202

EDAC Inc.

CONN RCPT 50POS VERT SOLDER

304

5175472-3

5175472-3

TE Connectivity AMP Connectors

CONN BTB HD PLUG 50POS R/A SLDR

0

5554501-1

5554501-1

TE Connectivity AMP Connectors

CONN RCPT 24POS PCB SOLDER

551

FX2C2-68S-1.27DSA(71)

FX2C2-68S-1.27DSA(71)

Hirose

CONN RECEPT VERT 68POS 1.27MM

0

FX2M6B-60S-1.27DSAL(71)

FX2M6B-60S-1.27DSAL(71)

Hirose

CONN RECEPT STR 60POS 1.27MM PCB

20

552391-1

552391-1

TE Connectivity AMP Connectors

CONN RCPT 50POS STR IDC

372

FX2BA-52SA-1.27R

FX2BA-52SA-1.27R

Hirose

CONN SOCKET 52POS 1.27MM (4PCS)

0

10226-6212PC

10226-6212PC

3M

CONN RCPT 26POS PCB SOLDER

33

1734098-8

1734098-8

TE Connectivity AMP Connectors

CONN RCPT 80POS STR IDC

139

FX2-80P-1.27DS(71)

FX2-80P-1.27DS(71)

Hirose

CONN HEADER R/A 80POS 1.27MM

52

5552212-1

5552212-1

TE Connectivity AMP Connectors

CONN RCPT 14POS VERT SOLDER

1447

FX2-60P-1.27SVL(71)

FX2-60P-1.27SVL(71)

Hirose

CONN HEADER RA 60POS 1.27MM

0

FX2-100P-1.27SVL(71)

FX2-100P-1.27SVL(71)

Hirose

CONN PLUG 100POS SMD SOLDER

0

DH60-51P

DH60-51P

Hirose

CONN SCSI RCPT 51POS R/A SOLDER

15

0015922080

0015922080

Woodhead - Molex

CONN PLUG 80POS VERT SOLDER

481

FX2CA2-40P-1.27DSAL(71)

FX2CA2-40P-1.27DSAL(71)

Hirose

CONN HEADER VERT 40POS 1.27MM

0

D-Shaped Connectors - Centronics

1. Overview

D-Shaped connectors, named for their distinctive trapezoidal metal shield, are widely used in computing and industrial applications. The Centronics interface, a subset of D-shaped connectors, was originally developed by Centronics Data Computer Corp. for parallel printing. These connectors enable robust electrical and mechanical connections, playing a critical role in legacy systems and specialized industrial equipment despite the rise of USB and wireless technologies.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Standard Centronics36-pin configuration, unshielded, 5A max currentLegacy inkjet/dot matrix printers
High-Density Centronics50-pin configuration, improved EMI shieldingIndustrial automation systems
Locking CentronicsThreaded screws for vibration resistanceMedical imaging equipment

3. Structure and Composition

Centronics connectors feature: - Metal shell (zinc alloy or aluminum) for EMI protection - Insulating housing (high-temperature nylon) - Contact pins (phosphor bronze with gold plating) - Screw locking mechanism (optional) The standard 36-pin design includes 20 signal pins and 16 ground pins, arranged in staggered rows to prevent misalignment.

4. Key Technical Specifications

ParameterValue/RangeImportance
Pin Count24-50 pinsDetermines data transmission capacity
Current Rating1-10A per pinDefines power handling capability
Contact Resistance 10m Ensures signal integrity
Dielectric Strength1000VAC rmsPrevents electrical breakdown
Operating Temperature-40 C to +85 CGuarantees performance stability

5. Application Fields

Major industries include: - Office equipment (printers, scanners) - Industrial automation (CNC machines, PLCs) - Medical devices (diagnostic equipment) - Legacy military systems - Test & measurement instruments

6. Leading Manufacturers and Products

ManufacturerRepresentative Products
AmphenolCentronics 36-8051 Series
Molex50-87-1360 High-Density Connector
TE ConnectivityDuraCon Centronics 24

7. Selection Guidelines

Key considerations: - Match pin count and spacing (0.05"-0.1" pitch) - Choose appropriate current rating with 20% safety margin - Select locking mechanism type (standard screws vs. quick-release) - Confirm environmental ratings (IP40 minimum for industrial) - Verify compatibility with existing cabling infrastructure

8. Industry Trends

Current trends include: - Transition to hybrid connectors supporting USB-C and Ethernet - Development of miniaturized D-sub variants (e.g., Micro-Centronics) - Increased adoption of gold-plated contacts for high-reliability applications - Phasing out in consumer electronics, but stable demand in industrial sectors - Integration with PoE (Power over Ethernet) systems for combined data/power delivery

RFQ BOM Call Skype Email
Top