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. 161-5479
Mfr. Part No.368388-1
$1.04
Each (In a Bag of 2000)
units
Retainer MQS Series 40 - -
RS Stock No. 182-0082
Mfr. Part No.172953-2001
BrandMolex
$0.457
Each (In a Pack of 10)
units
- - - - -
RS Stock No. 182-0088
Mfr. Part No.172953-2401
BrandMolex
$0.472
Each (In a Pack of 10)
units
- - - - -
RS Stock No. 181-6860
Mfr. Part No.172709-0012
BrandMolex
$0.254
Each (In a Bag of 1000)
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 12 - 172709
RS Stock No. 150-4166
Mfr. Part No.504695-0207
BrandMolex
$0.063
Each (In a Bag of 100)
units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 2 - 504695
RS Stock No. 811-6838
Mfr. Part No.1969443-6
$0.183
Each (In a Pack of 10)
units
TPA Retainer Economy Power Connector 6 EP2.5 -
RS Stock No. 123-2582
Mfr. Part No.73838-0005
BrandMolex
$0.243
Each (In a Box of 3000)
units
Crimp Housing SL Modular Connectors 5 SL 73838
RS Stock No. 182-0076
Mfr. Part No.172953-1601
BrandMolex
$0.359
Each (In a Pack of 10)
units
- - - - -
RS Stock No. 111-3911
Mfr. Part No.DF33C-2RS-3.3
BrandHirose
$0.137
Each (In a Pack of 10)
units
Single Row Retainer Internal Power Source 2 EnerBee DF33C -
RS Stock No. 680-1806
Mfr. Part No.4-1437353-5
$8.95
Each
units
Card Guide - - - -
RS Stock No. 181-7392
Mfr. Part No.201196-4040
BrandMolex
$0.175
Each (In a Pack of 25)
units
Terminal Position Assurance Spot-On Wire-to-Board Connector System 1 201196 -
RS Stock No. 337-0920
Mfr. Part No.DF1E-10RS/P-2.5
BrandHirose
$0.431
Each (In a Bag of 100)
units
Connector - 10 - -
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. 150-4168
Mfr. Part No.504695-0407
BrandMolex
$0.066
Each (In a Bag of 100)
units
TPA Retainer 504693 Connectors, 504694 Connectors, 505605 Connectors, 505606 Connectors 4 - 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
RS Stock No. 136-8816
Mfr. Part No.172953-0801
BrandMolex
$0.126
Each (In a Bag of 4800)
units
Terminal Position Assurance (TPA) Retainer Micro-Fit TPA Receptacle Housing Low Halogen 172952 8 Micro-Fit TPA 172953
RS Stock No. 165-0890
Mfr. Part No.2-179472-2
$0.612
Each (In a Bag of 1000)
units
Holder AMP CT Connector 22 - -
RS Stock No. 185-0391
Mfr. Part No.DF1-4A1.33
BrandHirose
$0.30
Each (In a Pack of 50)
units
Cable Protector DF1 Series Connectors 4 DF1 -
RS Stock No. 182-0058
Mfr. Part No.172953-1801
BrandMolex
$0.221
Each (In a Bag of 2600)
units
Retainer 172952 Low-Halogen Micro-Fit TPA Receptacle Housing 18 - 172953
RS Stock No. 136-8865
Mfr. Part No.172953-0601
BrandMolex
$0.231
Each (In a Bag of 20)
units
Terminal Position Assurance (TPA) Retainer Micro-Fit TPA Receptacle Housing Low Halogen 172952 6 Micro-Fit TPA 172953
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Leveraging full keying and Colour-pairing features, foolproof CP-33 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 ...
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