D-Shaped Connectors - Centronics

Image Part Number Description / PDF Quantity Rfq
6-5175473-0

6-5175473-0

TE Connectivity AMP Connectors

CONN BTB PLUG 100POS VERT SOLDER

731

2-5175887-9

2-5175887-9

TE Connectivity AMP Connectors

CONN RCPT 100POS PCB SOLDER

235

1734359-2

1734359-2

TE Connectivity AMP Connectors

CONN BTB PLUG 100POS R/A SOLDER

0

DX10BM-68S(50)

DX10BM-68S(50)

Hirose

CONN MINI HD RCPT 68P R/A SOLDER

0

10126-3000PC

10126-3000PC

3M

CONN PLUG 26POS STR SLDR CUP

85

FX2BA-32P-1.27DSAL(71)

FX2BA-32P-1.27DSAL(71)

Hirose

CONN HDR 32POS 1.27MM

0

6-5175472-0

6-5175472-0

TE Connectivity AMP Connectors

CONN BTB HD PLUG 100P R/A SOLDER

0

FX2-20S-1.27DS(71)

FX2-20S-1.27DS(71)

Hirose

CONN BTB RCPT 20POS R/A SOLDER

84

10114-6000EC

10114-6000EC

3M

CONN PLUG 14POS STR IDC

15

DX40M-26P

DX40M-26P

Hirose

CONN MIN HD PLG 26P STR SLD EYEL

180

FX2B-52PA-1.27DSA(71)

FX2B-52PA-1.27DSA(71)

Hirose

CONN HEADER VERT 52POS 1.27MM

522

6368355-2

6368355-2

TE Connectivity AMP Connectors

CONN RCPT 50POS R/A SOLDER

0

DX20-50S(50)

DX20-50S(50)

Hirose

CONN RECEPT 50POS STRT

0

FX2-32S-1.27SVL(71)

FX2-32S-1.27SVL(71)

Hirose

CONN RCPT 32POS SMD SOLDER

0

4-1734099-7

4-1734099-7

TE Connectivity AMP Connectors

CHAMP 050 SERIES,RCPT ASSEMBLY,G

0

DF02R036NA3

DF02R036NA3

JAE Electronics

CONN RCPT 36POS R/A SOLDER

0

FX2C-100S-1.27DSA(71)

FX2C-100S-1.27DSA(71)

Hirose

CONN RECEPT VERT 100POS 1.27MM

362

3564-1000

3564-1000

3M

CONN PLUG 50POS STR IDC

295

112-050-213R001

112-050-213R001

NorComp

CONN SCSI RCPT 50POS R/A SOLDER

0

FX2B-68SA-1.27R

FX2B-68SA-1.27R

Hirose

CONN SOCKET 68POS 1.27MM (4PCS)

596

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