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2.5mm Sealed Signal Double-Lock Connectors

TE Connectivity's (TE) 2.5mm Sealed Signal Double-Lock Connectors offer secondary locking safety combined with IP67-rated sealing protection. A space-saving 2.5mm centerline provides a compact design solution, while robust seals enable reliable performance in water-related or high-humidity environments. Contacts are on a miniature 2.5mm centerline spacing and accept 26AWG to 20AWG wire. Rated up to 3A maximum per line, TE 2.5mm Sealed Signal Double Lock Connectors are designed to help ease manual assembly, including a snag-proof latch, polarized terminals, and an optional terminal position assurance (TPA). Panel-mount and free-hanging configurations provide flexible design options for a range of applications. Cap and plug housings meet the glow wire test (+750°C, no flame) and UL 94V-0 requirements to meet global industry safety standards.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Number of Positions	Pitch	Number of Rows	Mounting Style	Termination Style	Mounting Angle	Contact Gender	Contact Plating	Application	Wire Gauge	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Headers & Wire Housings REAR WIRE SEAL 6PIN 2321922-6 TE Connectivity 1: ¥61.5 13,855In Stock	Mfr. Part # 2321922-6 Mouser Part # 571-2321922-6	TE Connectivity	Headers & Wire Housings REAR WIRE SEAL 6PIN Learn More about TE Connectivity 23219 connectors	Datasheet	13,855In Stock	¥61.5 ¥53.8 ¥50 ¥47.8 View ¥38.7 ¥35.9 ¥34.7 ¥34.1	Min.: 1 Mult.: 1	Accessories		6 Position	2.5 mm (0.098 in)	1 Row								- 30 C	+ 105 C
Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 2PIN 2321920-2 TE Connectivity 1: ¥58.1 12,626In Stock	Mfr. Part # 2321920-2 Mouser Part # 571-2321920-2	TE Connectivity	Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 2PIN Learn More about TE Connectivity 23219 connectors	Datasheet	12,626In Stock	¥58.1 ¥50 ¥44.7 ¥42.5 View ¥38 ¥35.2 ¥33.7 ¥32.1 ¥27.6	Min.: 1 Mult.: 1	Accessories												- 30 C	+ 105 C
Headers & Wire Housings REAR WIRE SEAL 5PIN 2321922-5 TE Connectivity 1: ¥44.8 11,618In Stock	Mfr. Part # 2321922-5 Mouser Part # 571-2321922-5	TE Connectivity	Headers & Wire Housings REAR WIRE SEAL 5PIN Learn More about TE Connectivity 23219 connectors	Datasheet	11,618In Stock	¥44.8 ¥38.7 ¥36 ¥34.4 View ¥30.7 ¥27.9 ¥26.4 ¥24.9	Min.: 1 Mult.: 1	Accessories		5 Position	2.5 mm (0.098 in)	1 Row								- 30 C	+ 105 C
Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 2PIN 2321918-2 TE Connectivity 1: ¥73.1 9,871In Stock	Mfr. Part # 2321918-2 Mouser Part # 571-2321918-2	TE Connectivity	Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 2PIN Learn More about TE Connectivity 23219 connectors	Datasheet	9,871In Stock	¥73.1 ¥65.4 ¥58.5 ¥51.7 View ¥47.8 ¥45.7 ¥35.5 ¥34.7 ¥34.5	Min.: 1 Mult.: 1	Wire Housings	Plug Housing	2 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Pin (Male)		Wire-to-Wire	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 4PIN 2321924-4 TE Connectivity 1: ¥224.2 5,288In Stock	Mfr. Part # 2321924-4 Mouser Part # 571-2321924-4	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 4PIN Learn More about TE Connectivity 23219 connectors	Datasheet	5,288In Stock	¥224.2 ¥191 ¥171.1 ¥161.6 View ¥151.5 ¥144.2 ¥134 ¥125.7	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	4 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Wire, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 3PIN 2321918-3 TE Connectivity 1: ¥83.1 6,173In Stock	Mfr. Part # 2321918-3 Mouser Part # 571-2321918-3	TE Connectivity	Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 3PIN Learn More about TE Connectivity 23219 connectors	Datasheet	6,173In Stock	¥83.1 ¥74.6 ¥70.4 ¥68.1 View ¥61.3 ¥58.8 ¥52.7	Min.: 1 Mult.: 1	Wire Housings	Plug Housing	3 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Pin (Male)		Wire-to-Wire	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 2PIN 2321924-2 TE Connectivity 1: ¥157.8 6,068In Stock	Mfr. Part # 2321924-2 Mouser Part # 571-2321924-2	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 2PIN Learn More about TE Connectivity 23219 connectors	Datasheet	6,068In Stock	¥157.8 ¥143.8 ¥131.6 ¥125.4 View ¥117.4 ¥112 ¥100.5 ¥95.5 ¥88.2	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	2 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Wire, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 4PIN 2321926-4 TE Connectivity 1: ¥122.9 3,973In Stock	Mfr. Part # 2321926-4 Mouser Part # 571-2321926-4	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 4PIN Learn More about TE Connectivity 23219 connectors	Datasheet	3,973In Stock	¥122.9 ¥104.3 ¥93.2 ¥88.7 View ¥79.1 ¥64.8 ¥62 ¥61.5	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	4 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Panel, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 5PIN 2321918-5 TE Connectivity 1: ¥212.6 5,161In Stock	Mfr. Part # 2321918-5 Mouser Part # 571-2321918-5	TE Connectivity	Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 5PIN Learn More about TE Connectivity 23219 connectors	Datasheet	5,161In Stock	¥212.6 ¥181 ¥161.4 ¥153.8 View ¥144.2 ¥137.4 ¥123.2 ¥105.5	Min.: 1 Mult.: 1	Wire Housings	Plug Housing	5 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Pin (Male)		Wire-to-Wire	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 6PIN 2321924-6 TE Connectivity 1: ¥212.6 5,234In Stock	Mfr. Part # 2321924-6 Mouser Part # 571-2321924-6	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 6PIN Learn More about TE Connectivity 23219 connectors	Datasheet	5,234In Stock	¥212.6 ¥194.3 ¥176.1 ¥167.8 View ¥156.6 ¥149.2 ¥139.7 ¥131.4 ¥113.6	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	6 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Wire, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 3PIN 2321920-3 TE Connectivity 1: ¥59.8 7,455In Stock	Mfr. Part # 2321920-3 Mouser Part # 571-2321920-3	TE Connectivity	Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 3PIN Learn More about TE Connectivity 23219 connectors	Datasheet	7,455In Stock	¥59.8 ¥52.5 ¥48 ¥46 View ¥37.4 ¥34.5 ¥33.4	Min.: 1 Mult.: 1	Accessories												- 30 C	+ 105 C
Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 5PIN 2321920-5 TE Connectivity 1: ¥51.5 10,952In Stock	Mfr. Part # 2321920-5 Mouser Part # 571-2321920-5	TE Connectivity	Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 5PIN Learn More about TE Connectivity 23219 connectors	Datasheet	10,952In Stock	¥51.5 ¥46.5 ¥43 ¥41.4 View ¥37 ¥33.6 ¥31.7 ¥31.1 ¥29.7	Min.: 1 Mult.: 1	Accessories												- 30 C	+ 105 C
Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 6PIN 2321920-6 TE Connectivity 1: ¥78.1 15,889In Stock	Mfr. Part # 2321920-6 Mouser Part # 571-2321920-6	TE Connectivity	Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 6PIN Learn More about TE Connectivity 23219 connectors	Datasheet	15,889In Stock	¥78.1 ¥67.1 ¥60 ¥57.1 View ¥46.2 ¥43.7 ¥41.5 ¥40.4	Min.: 1 Mult.: 1	Accessories												- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 3PIN 2321924-3 TE Connectivity 1: ¥181 5,476In Stock	Mfr. Part # 2321924-3 Mouser Part # 571-2321924-3	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 3PIN Learn More about TE Connectivity 23219 connectors	Datasheet	5,476In Stock	¥181 ¥119.6 ¥105.6 ¥103.3 View ¥96.7 ¥85.9 ¥84.7 ¥84.2	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	3 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Wire, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 3PIN 2321926-3 TE Connectivity / AMP 1: ¥214.3 3,574In Stock	Mfr. Part # 2321926-3 Mouser Part # 571-2321926-3	TE Connectivity / AMP	Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 3PIN Learn More about TE Connectivity / AMP te connectivity 23219 connectors	Datasheet	3,574In Stock	¥214.3 ¥182.7 ¥161.9 ¥154.3 View ¥144.7 ¥137.9 ¥129.4 ¥119.8	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	3 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Panel, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 5PIN 2321926-5 TE Connectivity 1: ¥279 1,529In Stock	Mfr. Part # 2321926-5 Mouser Part # 571-2321926-5	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 5PIN Learn More about TE Connectivity 23219 connectors	Datasheet	1,529In Stock	¥279 ¥244.2 ¥232.5 ¥217.6 View ¥197.7 ¥182.7 ¥159.3 ¥154.1 ¥148.2	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	5 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Panel, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 4PIN 2321920-4 TE Connectivity 1: ¥61.5 10,234In Stock	Mfr. Part # 2321920-4 Mouser Part # 571-2321920-4	TE Connectivity	Headers & Wire Housings PERIMETER SEAL PLUG HOUSING 4PIN Learn More about TE Connectivity 23219 connectors	Datasheet	10,234In Stock	¥61.5 ¥52.7 ¥47 ¥44.8 View ¥40 ¥35.2	Min.: 1 Mult.: 1	Accessories												- 30 C	+ 105 C
Headers & Wire Housings REAR WIRE SEAL 2PIN 2321922-2 TE Connectivity 1: ¥66.4 19,996In Stock	Mfr. Part # 2321922-2 Mouser Part # 571-2321922-2	TE Connectivity	Headers & Wire Housings REAR WIRE SEAL 2PIN Learn More about TE Connectivity 23219 connectors	Datasheet	19,996In Stock	¥66.4 ¥56.5 ¥50.3 ¥48 View ¥40.7 ¥35.7 ¥34.5 ¥34.2	Min.: 1 Mult.: 1	Accessories		2 Position	2.5 mm (0.098 in)	1 Row								- 30 C	+ 105 C
Headers & Wire Housings REAR WIRE SEAL 4PIN 2321922-4 TE Connectivity 1: ¥51.5 15,671In Stock	Mfr. Part # 2321922-4 Mouser Part # 571-2321922-4	TE Connectivity	Headers & Wire Housings REAR WIRE SEAL 4PIN Learn More about TE Connectivity 23219 connectors	Datasheet	15,671In Stock	¥51.5 ¥43 ¥38.5 ¥36 View ¥32.7 ¥26.9 ¥26.7 ¥26.6 ¥25.7	Min.: 1 Mult.: 1	Accessories		4 Position	2.5 mm (0.098 in)	1 Row								- 30 C	+ 105 C
Headers & Wire Housings REAR WIRE SEAL 3PIN 2321922-3 TE Connectivity 1: ¥56.5 3,119In Stock	Mfr. Part # 2321922-3 Mouser Part # 571-2321922-3	TE Connectivity	Headers & Wire Housings REAR WIRE SEAL 3PIN Learn More about TE Connectivity 23219 connectors	Datasheet	3,119In Stock	¥56.5 ¥47.8 ¥42.7 ¥40.7 View ¥36.4 ¥32.9 ¥31.2 ¥30.9 ¥30.2	Min.: 1 Mult.: 1	Accessories		3 Position	2.5 mm (0.098 in)	1 Row								- 30 C	+ 105 C
Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 4PIN 2321918-4 TE Connectivity 1: ¥162.8 2,478In Stock 6,000Expected 2/15/2027	Mfr. Part # 2321918-4 Mouser Part # 571-2321918-4	TE Connectivity	Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 4PIN Learn More about TE Connectivity 23219 connectors	Datasheet	2,478In Stock 6,000Expected 2/15/2027	¥162.8 ¥138.9 ¥123.9 ¥118.1 View ¥109.6 ¥103.3 ¥94.3 ¥90.4	Min.: 1 Mult.: 1	Wire Housings	Plug Housing	4 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging		Straight				26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 6PIN 2321918-6 TE Connectivity 1: ¥257.5 8In Stock	Mfr. Part # 2321918-6 Mouser Part # 571-2321918-6	TE Connectivity	Headers & Wire Housings PLUG HOUSING SDL2.5 WATERPROOF 6PIN Learn More about TE Connectivity 23219 connectors	Datasheet	8In Stock	¥257.5 ¥220.9 ¥196 ¥192.7 View ¥181 ¥172.7 ¥161.9 ¥149.8	Min.: 1 Mult.: 1	Wire Housings	Plug Housing	6 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Pin (Male)		Wire-to-Wire	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE TERMINAL 2321921-1 TE Connectivity 11,000: ¥7.1 22,000In Stock 66,000Expected 1/18/2027	Mfr. Part # 2321921-1 Mouser Part # 571-2321921-1	TE Connectivity	Headers & Wire Housings RECEPTACLE TERMINAL Learn More about TE Connectivity 23219 connectors	Datasheet	22,000In Stock 66,000Expected 1/18/2027	Reel ¥7.1	Min.: 11,000 Mult.: 11,000 : 11,000	Contacts					Cable Mount / Free Hanging	Crimp		Socket (Female)	Tin		26 AWG to 22 AWG	- 30 C	+ 105 C	Reel
Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 5PIN 2321924-5 TE Connectivity 1: ¥240.8 1,371In Stock	Mfr. Part # 2321924-5 Mouser Part # 571-2321924-5	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING FREE HANGING 5PIN Learn More about TE Connectivity 23219 connectors	Datasheet	1,371In Stock	¥240.8 ¥219.3 ¥209.3 ¥201 View ¥189.4 ¥181 ¥174.4 ¥156.5	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	5 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Wire, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C
Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 2PIN 2321926-2 TE Connectivity 1: ¥189.4 385In Stock 6,000Expected 2/15/2027	Mfr. Part # 2321926-2 Mouser Part # 571-2321926-2	TE Connectivity	Headers & Wire Housings RECEPTACLE HOUSING PANEL MOUNT 2PIN Learn More about TE Connectivity 23219 connectors	Datasheet	385In Stock 6,000Expected 2/15/2027	¥189.4 ¥161 ¥143.7 ¥136.9 View ¥128.2 ¥122.2 ¥113.1 ¥107.5 ¥101.2	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	2 Position	2.5 mm (0.098 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)		Wire-to-Panel, Signal	26 AWG to 22 AWG	- 30 C	+ 105 C