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. 181-6858
Mfr. Part No.172709-0010
BrandMolex
£0.08
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
RS Stock No. 184-8088
Mfr. Part No.BNIS-03V
BrandJST
£0.069
Each (In a Bag of 2000)
Units
Retainer BNI Disconnectable Crimp Style Connectors 3 BNI -
RS Stock No. 150-4138
Mfr. Part No.504695-0207
BrandMolex
£0.02
Each (In a Bag of 2000)
Units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 2 - 504695
RS Stock No. 181-6942
Mfr. Part No.172709-0011
BrandMolex
£0.187
Each (In a Pack of 10)
Units
- - - - -
RS Stock No. 136-8820
Mfr. Part No.172953-1401
BrandMolex
£0.061
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. 136-8814
Mfr. Part No.172953-0401
BrandMolex
£0.031
Each (In a Bag of 9600)
Units
Terminal Position Assurance (TPA) Retainer Micro-Fit TPA Receptacle Housing Low Halogen 172952 4 Micro-Fit TPA 172953
RS Stock No. 150-4166
Mfr. Part No.504695-0207
BrandMolex
£0.022
Each (In a Bag of 100)
Units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 2 - 504695
RS Stock No. 181-6859
Mfr. Part No.172709-0011
BrandMolex
£0.084
Each (In a Bag of 1100)
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 11 - 172709
RS Stock No. 181-7395
Mfr. Part No.201196-4150
BrandMolex
£0.133
Each (In a Pack of 25)
Units
Terminal Position Assurance Spot-On Wire-to-Board Connector System 1 201196 -
RS Stock No. 184-8411
Mfr. Part No.VHS-9V
BrandJST
£0.174
Each (In a Pack of 25)
Units
Retainer VH Disconnectable Crimp Style Connectors 9 VH -
RS Stock No. 184-8089
Mfr. Part No.BNIS-04V
BrandJST
£0.077
Each (In a Bag of 2000)
Units
Retainer BNI Disconnectable Crimp Style Connectors 4 BNI -
RS Stock No. 182-0079
Mfr. Part No.172953-1801
BrandMolex
£0.125
Each (In a Pack of 10)
Units
- - - - -
RS Stock No. 181-6897
Mfr. Part No.172709-0111
BrandMolex
£0.26
Each (In a Pack of 10)
Units
- - - - -
RS Stock No. 172-2373
Mfr. Part No.DF33C-5RS-3.3
BrandHirose
£0.076
Each (In a Pack of 100)
Units
Single Row Retainer Internal Power Source 5 EnerBee DF33C -
RS Stock No. 150-4140
Mfr. Part No.504695-0407
BrandMolex
£0.016
Each (In a Bag of 1000)
Units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 4 - 504695
RS Stock No. 184-8440
Mfr. Part No.BNIS-02V
BrandJST
£0.084
Each (In a Pack of 50)
Units
Retainer BNI Disconnectable Crimp Style Connectors 2 BNI -
RS Stock No. 905-9907
Mfr. Part No.51143-0205
BrandMolex
£0.06
Each (In a Pack of 20)
Units
Retainer 51142 Series, CP-6.5 Receptacle Housing 151049 2 CP-6.5 51143
RS Stock No. 136-8815
Mfr. Part No.172953-0601
BrandMolex
£0.04
Each (In a Bag of 6400)
Units
Terminal Position Assurance (TPA) Retainer Micro-Fit TPA Receptacle Housing Low Halogen 172952 6 Micro-Fit TPA 172953
RS Stock No. 185-0391
Mfr. Part No.DF1-4A1.33
BrandHirose
£0.147
Each (In a Pack of 50)
Units
Cable Protector DF1 Series Connectors 4 DF1 -
RS Stock No. 811-6831
Mfr. Part No.1969443-7
£0.086
Each (In a Pack of 10)
Units
TPA Retainer Economy Power Connector 7 EP2.5 -
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