1. C series connector brief introduction:

C Series offers high performance push-pull connectors and cable assembly solutions. our product offers highly customizable contact configurations. Rugged, reliable, sealed or hermetic, lightweight and compact. C Series is trusted by technology-driven industries worldwide. Making it an ideal choice for Medical, Test & Measurement, Research, Communications, Broadcast Connector, Machines, Defense, Robotic, Aerospace, public sector, Information Systems, Motorsport, Miscellaneous applications. The modular insert configurations include a wide range of high-density multi-pole contacts.

These high quality Spring connectors are CE certificated, ISO9001(2015) and cable assembly can be provided. it can cross Lemo variations and sizes.

2. C series connector description:

  • security of the Push-Pull self-latching system
  • multipole types 2 to 19 contacts
  • Easy mating, can be blind-mated (guiding mechanism ensures precise alignment)
  • high packing density for space savings
  • solder contacts
  • keying system («G» key standard for connector alignment)
  • multiple key options to avoid cross mating of similar connectors
  • 360° screening for full EMC shielding

3. C series connector technical specification:

Pulling and inserting times > 5000 cycles
Humidity Maximum humidity up to 95% at a temperature of 60°
Temperature -45°~+125°
Resistance to vibrations 10-2000 Hz, 15g
Shock resistance 100 g, 6 ms
Salt spray corrosion test > 48h
Protection index (mated) IP68/IP66
Connector type Plug, Male Pins; Socket Female Pins
Number of positions 2-19 pin
Termination Solder
Fastening type Push-pull
Orientation G (A, B)
Shell material Brass
Shell finish Chrome
Shell color Silver
Contact material Brass
Contact finish-mating Gold
Contact color Gold
Insert material polyphenylene sulfite ( PPS)
Cable opening 1.5mm~9.7mm

4. Cross reference

SPRING P/N Other supplier P/N Definition
TGG Straight plug(with bend relief) S4 Straight plug Shell Size 0C~2C, 2~19 Pin Contacts, outer shell in chrome-plated brass, PPS insulator, male solder contacts, for 1.5~9.7mm diameter cable, cable collet and nut for fitting a bend relief. with guiding mechanism.
MEG Fixed socket(watertight or vacuumtight) G8 Fixed socket(watertight or vacuumtight) Shell Size 0C~2C, 2~19 Pin Contacts, outer shell in chrome-plated brass, PPS insulator, female solder contacts, nut fixing, back panel mounting. M9, M14, M16 connector. watertight or vacuumtight.
DHG Free socket(with bend relief) K4 Free socket(with bend relief) Shell Size 0C~2C, 2~19 Pin Contacts, outer shell in chrome-plated brass, PPS insulator, female solder contacts, for 1.5~9.7mm diameter cable, cable collet and nut for fitting a bend relief.

Alignment Key

All Multipole body styles are mechanically coded.
Code 1 is the standard, but other codes can be requested

Keying-Codes-Options(C-series)

Number of contacts and Insert configuration

Insert-configuration---(C-series)

Cable Diameter

cable diameter
Series Cable Size(φA)
0C Series 1.5~5.5mm
1C Series 2.2~7.5mm
2C Series 1.5~9.7mm

5. Chooseing tips:

If you have purchased Lemo connector and know the original model, please tell us. We will directly offer you our corresponding one.
If you don’t know much about the connector, please make choose according the following factors:

  1. the use of the environment, indoors or outdoors, waterproof or not;
  2. the panel hole size, to select the appropriate plug and socket of right dimension;
  3. the current-voltage, number of contact and the realization of the function, to determine the contact(cores) ;
  4. select the appropriate clamp diameter and sheath;
  5. according to the actual needs of different angles of the keys, to determine the keying (the standard keys as G).
Click to Selection Guide

6, Why choose our

  1. Lower your cost, cheap cable assembly offer, at least save your 30%-50% cost (100% compatible and work well)
  2. large stock, short lead times. The delivery time is short, the parts are in stock. Just need to assemble them.
  3. better quality at a reasonable price
  4. We can provide OEM/ODM service and cable assembly solution.
  5. Our factory has 9 years experience and strong and professional research and development capabilities.Advanced development and management, comprehensive R&D testing and highly automatic production line make our products high reliability and high performance.

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