Power Connectors

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Connector Type	Gender	Industry Recognized Mating Diameter	Actual Diameter	Number of Positions/Contacts	Internal Switch(s)	Mounting Type	Mounting Feature	Termination	Shielding	Features	Insulation Color	Voltage - Rated	Current Rating (Amps)	Mating Length/Depth	Ingress Protection	Material Flammability Rating	Operating Temperature
L721A LONGER BUSHING D-FLA Switchcraft Inc.	1,576 In Stock	1 : $9.03000 Bulk	-	Bulk	Active	Jack	Male	2.10mm ID (0.083"), 5.50mm OD (0.217")	0.083" (2.10mm ID), 0.217" (5.50mm OD)	2 Conductors, 3 Contacts	Single Switch, Normally Closed	Panel Mount, Through Hole	Bulkhead - Front Side Nut	Solder Eyelet(s)	Unshielded	Mounting Hardware, Thread Lock	-	30VDC	5 A	0.476" (12.10mm)	-	-	-40°C ~ 65°C
PCL721A PC721A WITH .10 LNG Switchcraft Inc.	332 In Stock	1 : $11.87000 Bulk	-	Bulk	Active	Jack	Male	2.10mm ID (0.083"), 5.50mm OD (0.217")	0.083" (2.10mm ID), 0.217" (5.50mm OD)	2 Conductors, 3 Contacts	Single Switch, Normally Closed	Panel Mount, Through Hole	Bulkhead - Front Side Nut	Solder	Unshielded	Mounting Hardware, Thread Lock	-	30VDC	5 A	0.476" (12.10mm)	-	-	-40°C ~ 65°C
PCL721AU SEALED UNMATED DC POWER JACK, 2. Switchcraft Inc.	97 In Stock	1 : $14.62000 Bulk	721	Bulk	Active	Jack	Male	2.10mm ID (0.083")	-	2 Conductors, 3 Contacts	Single Switch, Normally Closed	Panel Mount, Through Hole	Bulkhead - Front Side Nut	Solder	Unshielded	-	-	24VDC	5 A	-	IP68 - Dust Tight, Waterproof	-	-55°C ~ 85°C
L721AU SEALED UNMATED DC POWER JACK, 2. Switchcraft Inc.	52 In Stock	1 : $14.62000 Bulk	721	Bulk	Active	Jack	Male	2.10mm ID (0.083")	-	2 Conductors, 3 Contacts	Single Switch, Normally Closed	Panel Mount, Through Hole	Bulkhead - Front Side Nut	Solder Eyelet(s)	Unshielded	-	-	24VDC	5 A	-	IP68 - Dust Tight, Waterproof	-	-55°C ~ 85°C

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Power barrel connectors are most commonly used to connect low-voltage DC power provided from a wall mounted AC-DC converter to small electronic equipment, such as laptop computers and printers. They are characterized by a tube-shaped plug having electrical contacts on the inner and outer surfaces. Various sizes are available, with inner diameter, outer diameter, and mating length of plug and jack needing to be compatible in order to achieve a proper connection.