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. 683-1942
Mfr. Part No.177918-1
£0.087
Each (In a Pack of 50)
Units
Lock - 2 - -
RS Stock No. 123-2556
Mfr. Part No.51143-0105
BrandMolex
£0.038
Each (In a Bag of 6000)
Units
Retainer 51142 Series 1 CP-6.5 51143
RS Stock No. 111-3923
Mfr. Part No.DF33C-5RS-3.3
BrandHirose
£0.093
Each (In a Pack of 10)
Units
Single Row Retainer Internal Power Source 5 EnerBee DF33C -
RS Stock No. 184-8341
Mfr. Part No.BNIS-05V
BrandJST
£0.111
Each (In a Pack of 50)
Units
Retainer BNI Disconnectable Crimp Style Connectors 5 BNI -
RS Stock No. 172-2385
Mfr. Part No.DF33C-12RDS-3.3
BrandHirose
£0.095
Each (In a Pack of 100)
Units
Double Row Retainer Internal Power Source 12 EnerBee DF33C -
RS Stock No. 181-7008
Mfr. Part No.201650-2180
BrandMolex
£0.189
Each (In a Pack of 20)
Units
- - - - -
RS Stock No. 184-9947
Mfr. Part No.DF1-4A1.33
BrandHirose
£0.114
Each (In a Bag of 100)
Units
Cable Protector DF1 Series Connectors 4 DF1 -
RS Stock No. 172-2386
Mfr. Part No.DF33C-6RS-3.3
BrandHirose
£0.084
Each (In a Pack of 100)
Units
Single Row Retainer Internal Power Source 6 EnerBee DF33C -
RS Stock No. 905-9907
Mfr. Part No.51143-0205
BrandMolex
£0.067
Each (In a Pack of 20)
Units
Retainer 51142 Series, CP-6.5 Receptacle Housing 151049 2 CP-6.5 51143
RS Stock No. 811-6829
Mfr. Part No.1969443-5
£0.027
Each (In a Pack of 10)
Units
TPA Retainer Economy Power Connector 5 EP2.5 -
RS Stock No. 150-4167
Mfr. Part No.504695-0307
BrandMolex
£0.03
Each (In a Bag of 100)
Units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 3 - 504695
RS Stock No. 165-0890
Mfr. Part No.2-179472-2
£0.182
Each (In a Bag of 1000)
Units
Holder AMP CT Connector 22 - -
RS Stock No. 182-0060
Mfr. Part No.172953-2201
BrandMolex
£217.58
Each (In a Bag of 2200)
Units
Retainer 172952 Low-Halogen Micro-Fit TPA Receptacle Housing 22 - 172953
RS Stock No. 123-2559
Mfr. Part No.51143-0305
BrandMolex
£0.044
Each (In a Bag of 3000)
Units
Retainer 51142 Series 3 CP-6.5 51143
RS Stock No. 181-6857
Mfr. Part No.172709-0008
BrandMolex
£106.81
1 Bag of 1500
Bag(s)
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. 181-6861
Mfr. Part No.172709-0107
BrandMolex
£137.32
1 Bag of 1600
Bag(s)
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. 136-8866
Mfr. Part No.172953-0801
BrandMolex
£0.126
Each (In a Bag of 20)
Units
Terminal Position Assurance (TPA) Retainer Micro-Fit TPA Receptacle Housing Low Halogen 172952 8 Micro-Fit TPA 172953
RS Stock No. 182-0088
Mfr. Part No.172953-2401
BrandMolex
£0.23
Each (In a Pack of 10)
Units
- - - - -
RS Stock No. 184-8348
Mfr. Part No.VHS-3V
BrandJST
£0.111
Each (In a Pack of 50)
Units
Retainer VH Disconnectable Crimp Style Connectors 3 VH -
RS Stock No. 150-4168
Mfr. Part No.504695-0407
BrandMolex
£0.029
Each (In a Bag of 100)
Units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 4 - 504695
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Leveraging full keying and Colour-pairing features, foolproof CP-3.3 wire-to-wire connectors enhance user-safety while preventing mismating in consumer electronics, white goods, industrial and medical applications. TPA Retainer (504695)Ensures terminals are fully inserted and offers a secondary terminal retention feature.
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DF 22 series connector retainer clips are utilised ...
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With a large current carrying capacity, the VH ...
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