LEMO

 

 
LEMO PART NUMBERING SYSTEM



 Model Codes

CodeModel 
 
Adapters
 
Caps, Dust Covers
 
Bridges
 
Tools
 
Fixed Receptacles
 
Plugs
 
Accessories
 
Watertight Receptacles
 
Free Receptacles
 
Couplers
 
 Couplers




 Size & Series

CodeDescriptor 
 
X=Size, Y=Series




 Insert Configuration (most common)

CodeInsert StyleDescriptor
 
UnipoleXX = Contact Diameter
 
CoaxialXX = Impedance
 
MultipoleXX = Number of Contacts
 
High VoltageXX = Model Variation
 
TriaxialXX = Impedance
 
Hybrid LV + HVXX = Model Variation
 
Hybrid LV + CoaxialXX = Model Variation
 
Other HybridsXX = Model Variation
 
FluidicXX = Model Variation
 
FiberopticXXn = Model Variation
 XX = two characters, n = digit




 Housing Material (most common)

CodeMaterial 
 
Chrome plated brass
 
Gold plated brass
 
PEEK
 
PPS
 
Black chrome plated brass
 
Aluminum Alloy
 
Nickel plated brass
 
Polyamide 6 or Polysulfone
 
PPSU
 
  
 
Stainless steel 
 
  
 
Brass green Zn plated
 
Avional




 Insulator Material

CodeInsulator 
 
PEEK (PEEK) 1
 
PEEK (Pehd) 1
 
PEEK
 
PEEK (PTFE) 1
 
PA6.6
 
PA6.6 (PTFE) 1
 
PBT
 
PBT (PTFE) 1
 
Pehd
 
PTFE
 
Polyimide
 
PEEK2
   The material used depends on the the connector type.
1  Material of secondary insulator in the mixed types
2  Longer version for crimp contacts




 Contact Type

CodeContact 
  
Male solder 
 
Male - female 1
  
Male crimp 
 
Male - male 2
 
Male print
 
Male / male / female 3
 
Female / female / male 3
  
Female solder 
 
Female - male 2
  
Female crimp 
 
Female - female 2
 
Female print
  
Male solder4 
 
Female solder4
  
Male crimp4 
 
Female crimp4
 
Elbow female print
   As a general rule, plugs are fitted with male contacts
1  For couplers only
2  For bridge plugs
3  For bridge plugs and straight plugs with two parallel sockets
4  Male contact in plug, female in receptacle




 Collet

CodeCollet Attachment MethodDescriptor
 
Collet for REDEL® 1P
and 2P Series
XX = Collet Diameter1
 
Collet for S, 2C, K, E, 4A, 4E, 4M, 0A, 00 seriesXX = Collet Diameter1
 
Cable seal for REDEL ®
3P series
XX = Collet Diameter1
 
Collet for B, 2G, 00 seriesXX = Collet Diameter1
 
Crimp fixing for 0A, 00,
01, fiber 00, 0B series
XX = Collet Diameter1
 
Collet (B series) for undersized cables2XX = Collet Diameter1
 
Collet (S, K, E series)
for oversized cables
XX = Collet Diameter1
 
Collet (long version) for
B, 2C series
XX = Collet Diameter1
 
Adapter for fiber optic
K series
XX = Collet Diameter1
 
Glue (other series)XX = Collet Diameter1
 
Collet for 3T seriesXX = Collet Diameter1
    1  For collets greater than or equal to 10 mm (0.39") these digits represent the diameter in millimeters. Otherwise they represent diameter in 1/10 mm. The maximum cable diameter that fits the collet is typically 1/10 mm smaller than collet diameter. Example: a "D17" B-Series collet is 1.7 mm in diameter, and can accept a maximum cable diameter of 1.6 mm.
2  requires reducer and reducing cone (to be ordered separately)




 Variant

CodeGeneral Variants 
 
Collet nut for fitting a bend relief (free plugs and receptacles)
 
No washer/nut (fixed plugs and receptacles)
 
Potted (watertight models)
 
Potted and vacuum tested (watertight models)
 
Cable group (n=single digit)
CodePlastic Material Color 
 
Blue
 
White
 
Grey
 
Yellow
 
Brown
 
Black
 
Red
 
Green
 
Orange
CodeAnodizing Color For Aluminum 
 
Blue
 
Yellow
 
Black
 
Red
 
Natural
 
Green
 
Natural, also has collet nut for bend relief
 
Black, also has collet nut for bend relief