D-Shaped Connectors - Centronics

Image Part Number Description / PDF Quantity Rfq
60130145205

60130145205

HARTING

CONN PLUG 14POS STR IDC

0

60030685205580

60030685205580

HARTING

HAR.MIK P&S 68M-IDC 0,5-0,75 BUL

0

60130505180

60130505180

HARTING

HAR-MIK BELL 50F SOLDER CUP

0

60110505732710

60110505732710

HARTING

HMIK SV BEL SDP FE ANG 50P M2.5

0

60130265200

60130265200

HARTING

CONN SCSI PLUG 26POS STR IDC

0

60130265215

60130265215

HARTING

HAR-MIK BELL 26M-IDC 0.75-0.90

0

60110365232

60110365232

HARTING

HAR.MIK HMIK BEL IO BOARD LATCH

0

60060509001

60060509001

HARTING

HMIK PCR-RELIEF P/S 50P IDC MA

0

60110269029

60110269029

HARTING

COMB SETHAR-MIK BELL 26M-IDC 0.7

0

60050685322

60050685322

HARTING

HMIK SV HT PR-IN FE PCR 68P AUS4

0

60021005141

60021005141

HARTING

HMIK PS IO BOARD SCREWS FE

0

60030685215

60030685215

HARTING

CONN PLUG 68POS STR IDC

0

60130685200

60130685200

HARTING

HAR-MIK BELL 68M-IDC 0,5-0,65

0

60050685100

60050685100

HARTING

HMIK SV HT SDP FE PCR 68P AUS4 P

0

60110369029

60110369029

HARTING

COMB SETHAR-MIK BELL 36M-IDC 0.7

0

60130365215

60130365215

HARTING

HAR-MIK BELL 36M-IDC 0.75-0.90

0

60021005150

60021005150

HARTING

HMIK SV P/S SDP FE ANG 100P WOSL

0

60150405124

60150405124

HARTING

HMIK SV BEL SDP PCACK FE 40P 10M

0

60110145740710

60110145740710

HARTING

HMIK SV BEL SDP FE ANG 14P BLK S

0

60050685143

60050685143

HARTING

HAR-MIK P/S SOLDER P ANG. FEM

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

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