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2mm/4mm pitch High-Reliability Connectors

Vibration and shock resistant,
ultimately flexible with power/coax options.

  • 3 Amps per signal contact
  • Up to 125°C operating temperature
  • Jackscrews or latch strain relief
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3,144 products in Datamate

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2mm pitch Hi-Rel Connectors; 4mm pitch Hi-Rel Connectors

Harwin’s Datamate (M80 and M83 series) connectors provide an extremely flexible interconnect solution, ideally suited for a wide variety of testing environments and conditions. Connectors are available in single, double and triple row configurations.


  • 3A per signal contact (all electrically loaded; 3.3A per individual contact) at 2mm pitch
  • Proven 4-finger contact design to maintain electrical contact through high vibration and shock
  • Beryllium Copper Contact for improved temperature range: -55°C to +125°C (testing in progress to confirm higher)
  • 500 Mating cycles durability
  • Mixed Technology options - Up to 40A per power contact, 6GHz / 50Ohm coax contacts on 4mm pitch
  • World-class quality from the Original Designers of Datamate - published test reports and proven track record
  • Many popular products available from stock - 20-day leadtimes on extended ranges. Stock availability visible online.

The compact design of a 2mm pitch connector (for signal), the global availability of a product range stocked in depth, the established high-reliability of a COTS connector system. Datamate has become the connector range of choice in many demanding applications on land, sea and air.

Cutaway of Datamate crimp contact

Cutaway of Datamate crimp contact, showing 4-finger Beryllium Copper contact inside

Datamate is a focus product for Harwin, and is undergoing an active development program. The new Cable Assembly Service is available for this range as a value-added service - contact us for more information.

Jackscrew Connectors

The ultimate security and strain-relief - a variety of connector systems with a choice of slotted or hex socket jackscrew fixings, with board-mount for PCB connectors. Polarised, with #1 contact marked.

Datamate J-Tek
  • Double-Row
  • Up to 50 signal contacts
  • Male: Vertical and Horizontal Through-hole and Surface Mount, Cable
  • Female:  Vertical Through-hole and Surface Mount, Cable
  • Extended range of jackscrew styles
Datamate 3-Row

(M83 series)

  • Triple-Row
  • Up to 96 signal contacts
  • Male: Vertical and Horizontal Through-hole
  • Female:  Vertical Through-hole, Cable
  • Special low-force version to assist connection
Datamate Power
  • Single-Row, 4mm pitch
  • 20A power - 2, 4, 6, 8 or 10 contacts stocked
  • 40A high-power - 2, 4 or 6 contacts stocked
  • Male: Vertical and Horizontal Through-hole
  • Female:  Cable
Datamate Coax
  • Single-Row, 4mm pitch
  • 6GHz, 50Ohm coax contacts suitable for RG178 cable
  • 2, 4, 6 or 8 multigang coax connectors stocked - other options available on request
  • Male: Vertical and Horizontal Through-hole
  • Female:  Cable and Cable Assemblies
Datamate Mix-Tek
  • 4mm pitch single-row 20A power contacts mixed with 2mm pitch double-row signal contacts
  • Stocked versions include 2 or 4 power contacts, with up to 12 signal contacts
  • Male: Vertical and Horizontal Through-hole
  • Female:  Cable
  • Other options available on request
Datamate 101Lok
  • A unique jackscrew system for J-Tek, designed and manufactured by Harwin
  • Quarter-turn bayonet fixings for fast mating and unmating
  • Up to 50 signal contacts

Latched Connectors

The original 2mm pitch connector system. Designed and Developed by Harwin, we are the only manufacturer supplying to British Standard 9525-F0033.

Datamate L-Tek
  • Single and Double-Row
  • 2 to 7, 17 and 22 signal contacts in Single row. 4 to 20, 26, 34, 42 and 50 signal contacts in Double row
  • Male: Vertical and Horizontal Through-hole and Surface Mount, Cable
  • Female:  Vertical Through-hole and Surface Mount, Cable
  • Locking latches for total strain-relief, Friction latches for enhanced withdrawal forces

The following information is highlights from the Datamate performance characteristics for the signal contacts. Download the complete Component Specification C005xx in PDF format for more detail, and for information on the Power and Coax contacts.



Female Contacts High performance Beryllium Copper contact, Gold finish - Brass outer shell in Gold or Tin (over Nickel) finish
Male Contacts Copper Alloy, Gold or Tin (over Nickel) finish
Housing 30% Glass-Filled High Temperature Plastic, rated to UL94V-0
Jackscrews Stainless Steel
Latches Beryllium Copper, Tin over Nickel finish



Current (at 25°C) 3.3A max per individual contact, 3A max all contacts electrically loaded
Working Voltage 800V DC or AC peak (360V DC or AC peak at 30,000ft/9km/300mbar)
Maximum Voltage 1,200V DC or AC peak
Contact Resistance 25mΩ max
Insulation Resistance 100MΩ min



Operating Temperature -55°C to +125°C
Humidity Classification 56 days at 95% RH
Vibration (with latches) 10-2,000Hz, 0.75mm, 98m/s² (10G), 6 hours total
Shock (with latches) 981m/s² (100G) for 6ms
Outgassing Product range includes a variety of plastics - please check the Outgassing page



Durability (contacts) 500 mating cycles
Insertion force (per contact) 2N max (M80 series), 1N max (M83 series)
Withdrawal Force (per contact) 0.2N min


Wire specification

Recommended Wire types BS 3G 210 Type A, MIL-W-16878/6 type ET
Wire Sizes 22 to 32 AWG
Insulation Diameter Ø1.10mm max for Large and Small Bore contacts, Ø0.75mm max for Extra-Small Bore contacts
Strip Length 2.00mm
Component Specification (including pin numbering system) C005XX - M80- and M83 Datamate Series Connectors
Catalog pages Datamate - Product Catalog
Product Training Modules
Outgassing figures Outgassing data list


Test Summary Reports

HT001xx Mechanical Endurance of M80 (testing up to 10,000 mating cycles)
HT002xx Voltage Breakdown and Insulation Resistance of M80
HT004xx Environmental Testing of J-Tek (Bump, Vibration, Shock, Acceleration, Electrical Load at Temperature)
HT005xx Retention of L-Tek female crimps in housing, and Female Crimp Integrity (wire pull-out) at 22/24/26/28 AWG
HT006xx Retention of L-Tek & J-Tek male crimps in housing, and Male Crimp Integrity (wire pull-out) at 22/24/26/28 AWG
HT010xx Mechanical Testing of J-Tek Male Horizontal Surface Mount (Insertion and Withdrawal forces)
HT011xx Mechanical Testing of L-Tek High Temp crimp housings
HT012xx Mechanical Testing of L-Tek Male Horizontal Surface Mount (Insertion and Withdrawal forces)
HT015xx Environmental Testing of J-Tek and 101Lok (Bump, Vibration, Shock)
HT016xx Insertion and Withdrawal forces for L-Tek Female Crimp contact
HT017xx Contact Resistance after Aging (L-Tek and J-Tek)
HT019xx Frequency Test to EIA-364-108 for L-Tek (USB 2.0)
HT020xx General Test on Coax and Power connectors
HT025xx Detailed Environment test for L-Tek (Bump, Vibration, Shock, Acceleration)
HT035xx Insertion and Withdrawal forces, Voltage proof to 1200V for Power connectors
HT040xx General testing for High-Power (40A) contacts
HT044xx Locking Latch (L-Tek) Integrity test
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