Connector Retainers & Latches

Connector retainers are components that increase the mechanical strength of a connection by providing a latching force between the socket and the connector itself. Connector retainers are vital to ensuring that pins and electrical sockets will not come loose or disconnect as a result of mechanical stress or vibration.

When are connector retainers used?

Retainers can be part of either the socket itself or part of the chassis or enclosure that houses the socket. While their use is optional, they provide additional contact retention security, ensuring that all the components of a connector stay secure. Connector retainers are also used to prevent accidental disconnection of the two parts of the connector, making sure that the device works smoothly without any interruptions.

How do connector retainers work?

Connector retainers are available in several formats depending on the application, but fundamentally function by in some way gripping the connector and holding it to the socket, whether by a latching mechanism, screw-thread or soldered bond.


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Description Price Accessory Type For Use With Number of Ways Series Series Number
RS Stock No. 123-2580
Mfr. Part No.73838-0002
BrandMolex
$0.177
Each (In a Box of 4000)
units
Crimp Housing SL Modular Connectors 2 SL 73838
RS Stock No. 908-1049
Mfr. Part No.73838-0002
BrandMolex
$0.205
Each (In a Pack of 10)
units
Crimp Housing SL™ Modular Connectors 2 SL 73838
RS Stock No. 122-5093
Mfr. Part No.105325-2004
BrandMolex
$0.164
Each (In a Bag of 20)
units
TPA Retainer 105307 Nano-Fit™ TPA Receptacle Housing, 105308 Nano-Fit™ TPA Receptacle Housing 4 Nano-Fit 105325
RS Stock No. 122-4860
Mfr. Part No.105325-2004
BrandMolex
$0.105
Each (In a Bag of 950)
units
TPA Retainer 105307 Nano-Fit™ TPA Receptacle Housing, 105308 Nano-Fit™ TPA Receptacle Housing 4 Nano-Fit 105325
RS Stock No. 910-6927
Mfr. Part No.505152-0400
BrandMolex
$0.106
Each (In a Pack of 50)
units
Retainer 505151 DuraClik™ TPA Wire-to-Board Housing, 505153 DuraClik™ TPA Wire-to-Board Terminal 4 DuraClik 505152
RS Stock No. 123-2602
Mfr. Part No.505152-0400
BrandMolex
$0.075
Each (In a Bag of 2000)
units
Retainer 505151 DuraClik TPA Wire-to-Board Housing, 505153 DuraClik TPA Wire-to-Board Terminal 4 DuraClik 505152
RS Stock No. 181-6855
Mfr. Part No.172709-0007
BrandMolex
$0.196
Each (In a Bag of 1600)
units
Retainer 172708 Mini-Fit TPA2 Housing, 172762 Mini-Fit TPA2 Housing, 172767 Mini-Fit TPA2 Housing, 200453 Mini-Fit TPA2 Housing, 200471 Mini-Fit TPA2 Housing, 200488 Mini-Fit TPA2 Housing 7 - 172709
RS Stock No. 181-6894
Mfr. Part No.172709-0110
BrandMolex
$0.56
Each (In a Pack of 10)
units
- - - - -
RS Stock No. 123-2559
Mfr. Part No.51143-0305
BrandMolex
$0.212
Each (In a Bag of 3000)
units
Retainer 51142 Series 3 CP-6.5 51143
RS Stock No. 134-8095
Mfr. Part No.46708-3412
BrandMolex
$2.08
Each (In a Bag of 5)
units
Terminal Position Assurance Retainer EXTreme Ten60Power High-Current Connector 16 - 46708
RS Stock No. 181-6928
Mfr. Part No.172709-0008
BrandMolex
$0.439
Each (In a Pack of 10)
units
- - - - -
RS Stock No. 123-2581
Mfr. Part No.73838-0004
BrandMolex
$0.219
Each (In a Box of 3000)
units
Crimp Housing SL Modular Connectors 4 SL 73838
RS Stock No. 905-9903
Mfr. Part No.51143-0105
BrandMolex
$0.272
Each (In a Pack of 20)
units
Retainer 51142 Series 1 CP-6.5 51143
RS Stock No. 181-6857
Mfr. Part No.172709-0008
BrandMolex
$0.206
Each (In a Bag of 1500)
units
Retainer 172708 Mini-Fit TPA2 Housing, 172762 Mini-Fit TPA2 Housing, 172767 Mini-Fit TPA2 Housing, 200453 Mini-Fit TPA2 Housing, 200471 Mini-Fit TPA2 Housing, 200488 Mini-Fit TPA2 Housing 8 - 172709
RS Stock No. 136-8820
Mfr. Part No.172953-1401
BrandMolex
$0.162
Each (In a Bag of 3200)
units
Terminal Position Assurance (TPA) Retainer Micro-Fit TPA Receptacle Housing Low Halogen 172952 14 Micro-Fit TPA 172953
RS Stock No. 182-0079
Mfr. Part No.172953-1801
BrandMolex
$0.468
Each (In a Pack of 10)
units
- - - - -
RS Stock No. 178-9942
Mfr. Part No.505152-0200
BrandMolex
$0.132
Each (In a Bag of 2000)
units
Retainer 505151 DuraClik TPA Wire-to-Board Housing, 505153 DuraClik TPA Wire-to-Board Terminal 2 - 505152
RS Stock No. 181-6861
Mfr. Part No.172709-0107
BrandMolex
$0.231
Each (In a Bag of 1600)
units
Retainer 172708 Mini-Fit TPA2 Housing, 172762 Mini-Fit TPA2 Housing, 172767 Mini-Fit TPA2 Housing, 200453 Mini-Fit TPA2 Housing, 200471 Mini-Fit TPA2 Housing, 200488 Mini-Fit TPA2 Housing 7 - 172709
RS Stock No. 150-4169
Mfr. Part No.504695-0507
BrandMolex
$0.073
Each (In a Bag of 100)
units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 5 - 504695
RS Stock No. 181-6863
Mfr. Part No.172709-0110
BrandMolex
$0.287
Each (In a Bag of 1200)
units
Retainer 172708 Mini-Fit TPA2 Housing, 172762 Mini-Fit TPA2 Housing, 172767 Mini-Fit TPA2 Housing, 200453 Mini-Fit TPA2 Housing, 200471 Mini-Fit TPA2 Housing, 200488 Mini-Fit TPA2 Housing 10 - 172709