S Series Circular Push-Pull Connectors

LEMO S Series Circular Push-Pull Connectors feature LEMO's chocolate bar shape in a redesigned outer shell, covering a different cable range than the existing S series. The IP50 and IP61 S series are offered as straight plugs or free sockets in 3-, 4-, and 8-contact varieties, including models with bend relief functionality. These self-latching Push-Pull connectors operate at -55°C minimum temperature while providing more than 40dB shielding at 1GHz (75dB at 10MHz). LEMO S series connectors use B series collets and are fully compatible with other S series sockets.

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Qty. RoHS ECAD Model Product
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Contact Gender
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Termination Style
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Packaging
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 1 HV Contacts, with Solder termination
Datasheet
25In Stock
Min.: 1
Mult.: 1

Receptacles Fixed Socket (Receptacle) Socket (Female) 1 Contact 403 Panel Mount Solder IP50 0S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 1 Coax 50-Ohm Contacts, with Solder termination
Datasheet
15In Stock
28Expected 8/31/2026
Min.: 1
Mult.: 1

Receptacles Fixed Socket (Receptacle) Socket (Female) 1 Contact 250 Panel Mount Solder IP50 1S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 1 HV 8KV Contacts, with Solder termination
Datasheet
28In Stock
Min.: 1
Mult.: 1

Receptacles Fixed Socket (Receptacle) Socket (Female) 1 Contact 408 Panel Mount Solder IP50 1S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 1 Triax 50-Ohm Contacts, with Solder termination
Datasheet
2In Stock
Min.: 1
Mult.: 1
Connectors Fixed Socket (Receptacle) Pin (Male) 1 Contact 0S Panel Mount Solder IP50 Gray 0S
LEMO Circular Push Pull Connectors LEMO Circular Plug, 1 Coax 75-Ohm Contacts, with Solder termination
Datasheet
16In Stock
Min.: 1
Mult.: 1

Connectors Straight Plug Pin (Male) 1 Contact 1S Cable Mount Solder Cable Collet IP50 Grey 1S
LEMO Circular Push Pull Connectors LEMO Circular Plug, 4 LV Contacts, with Solder termination
Datasheet
15In Stock
Min.: 1
Mult.: 1

Plugs Straight Plug Pin (Male) 4 Contact 304 Cable Mount Solder IP50 Gray 1S Bulk
LEMO Circular Push Pull Connectors LEMO Grounding Lug for 0B/0S/0T Size and Series - CuSnZn-Plated Brass
Datasheet
886In Stock
Min.: 1
Mult.: 1

Accessories 0S Washer, Earthing 0S
LEMO Circular Push Pull Connectors LEMO Grounding Lug for 1B/1S/1T Size and Series - CuSnZn-Plated Brass
Datasheet
547In Stock
4 250On Order
Min.: 1
Mult.: 1

Accessories 1S Washer, Earthing 1S
LEMO Circular Push Pull Connectors LEMO Hex Nut for Fixed Receptacle 0B/0S/0T Size and Series - Nickel-Plated Brass
Datasheet
65In Stock
100Expected 9/3/2026
Min.: 1
Mult.: 1

Accessories 0S Nuts 0S
LEMO Circular Push Pull Connectors LEMO Hex Nut for Fixed Receptacle 1B/1S/1T Size and Series - Nickel-Plated Brass
Datasheet
254In Stock
Min.: 1
Mult.: 1

Accessories 1S Nuts 1S
LEMO Circular Push Pull Connectors LEMO Hex Nut for Fixed Elbow Receptacle Models EX_.1B and EXP.1S - Nickel-Plated Brass
Datasheet
76In Stock
Min.: 1
Mult.: 1

Accessories 1S Nuts 1S
LEMO Circular Push Pull Connectors LEMO Hex Nut for Fixed Receptacle 2B/2S/2T Size and Series - Nickel-Plated Brass
Datasheet
267In Stock
Min.: 1
Mult.: 1

Accessories 2S Nuts 2S
LEMO Circular Push Pull Connectors ROUND NUT
Datasheet
100In Stock
Min.: 1
Mult.: 1

Accessories Nut, Round 1S
LEMO Circular Push Pull Connectors LEMO Front Nut for 0B/0S/0T Size and Series Fixed Receptacle - Chrome-Plated Brass
Datasheet
194In Stock
Min.: 1
Mult.: 1

Accessories 0S Notched nuts 0S
LEMO Circular Push Pull Connectors LEMO Front Nut for 1B/1S/1T Size and Series Fixed Receptacle - Chrome-Plated Brass
Datasheet
15In Stock
Min.: 1
Mult.: 1

Accessories 1S Notched nuts 1S
LEMO Circular Push Pull Connectors LEMO Insulating Washer for 1B/1S Size and Series Fixed Receptacle - RED Polyamide
Datasheet
248In Stock
150Expected 10/23/2026
Min.: 1
Mult.: 1

Accessories Washer, Insulating Red 1S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 2 LV Contacts, with Solder termination
Datasheet
2In Stock
Min.: 1
Mult.: 1

Connectors Free Socket (Receptacle) Socket (Female) 2 Contact 1S Cable Mount Solder Cable Collet IP50 Grey 1S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 4 LV Contacts, with Solder termination
Datasheet
7In Stock
Min.: 1
Mult.: 1

Connectors Free Socket (Receptacle) Socket (Female) 4 Contact 1S Cable Mount Solder Cable Collet IP50 Grey 1S
LEMO Circular Push Pull Connectors LEMO Dust Cap for 3B/3S Size and Series, PSU
Datasheet
11In Stock
Min.: 1
Mult.: 1

Accessories Dust Cap, Receptacle IP61 3B/3S Bulk
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 2 LV Contacts, with Solder termination
Datasheet
1In Stock
Min.: 1
Mult.: 1
Connectors Fixed Socket (Receptacle) Socket (Female) 2 Contact 0S Panel Solder IP50 Gray 0S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 4 LV Contacts, with PCB termination
Datasheet
1In Stock
Min.: 1
Mult.: 1

Connectors Fixed Socket (Receptacle) Socket (Female) 4 Contact 0S Panel Print (Straight) IP50 Gray 0S Bulk
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 4 LV Contacts, with Solder termination
Datasheet
13In Stock
Min.: 1
Mult.: 1

Connectors Fixed Socket (Receptacle) Socket (Female) 4 Contact 1S Panel Solder IP50 Gray 1S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 10 LV Contacts, with PCB termination
Datasheet
11In Stock
Min.: 1
Mult.: 1

Connectors Fixed Socket (Receptacle) Socket (Female) 10 Contact 2S Panel Mount Print (Straight) IP50 Gray 2S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 4 LV Contacts, with Solder termination
Datasheet
48In Stock
1 000On Order
Min.: 1
Mult.: 1

Receptacles Fixed Socket (Receptacle) Socket (Female) 4 Contact 304 Panel Mount Solder IP50 0S
LEMO Circular Push Pull Connectors LEMO Circular Receptacle, 1 HV Contacts, with Solder termination
Datasheet
7In Stock
Min.: 1
Mult.: 1

Receptacles Fixed Socket (Receptacle) Socket (Female) 1 Contact 403 Panel Mount Solder IP50 0S