Modular Connectors / Ethernet Connectors

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MTJ Single-Port Modular Jacks

Adam Tech MTJ Single-Port Modular Jacks feature a series of PCB and wire-leaded jacks for industry-standard telephone plugs. The MTJ series offers various jack sizes, including 4P2C to 10P10C. The jacks provide single, ganged, and stacked versions with magnetic or ferrite-filtering options. Adam Tech MTJ Single-Port Modular Jacks have unshielded or metal-shielded options and are available for thru-hole or SMT mounting. The MTJ jacks are UL-approved and meet all required FCC compliances, including No. 47 CFR part 68. The jacks are ideal for Adam Tech modular plugs and telephone plugs.

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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	Gender	USOC Codes	Configuration	Number of Positions / Contacts per Port	Shielding	Performance Category	Mounting Style	Mounting Angle	Termination Style	Current Rating	Voltage Rating	Minimum Operating Temperature	Maximum Operating Temperature	Color	LED L / R Color	Tab Direction	Series	Packaging
Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C MTJ-66GX1 Adam Tech 1: ¥81.4 4,237In Stock	Mfr. Part # MTJ-66GX1 Mouser Part # 737-MTJ-66GX1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	4,237In Stock	¥81.4 ¥81.2 ¥39 ¥30.9	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ12, RJ14, RJ25	1x1	6P6C	Unshielded		Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors MODULAR JACK 4P4C MTJ-44HX1 Adam Tech 1: ¥217.6 4,445In Stock	Mfr. Part # MTJ-44HX1 Mouser Part # 737-MTJ-44HX1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 4P4C Learn More about Adam Tech mtj modular jacks	Datasheet	4,445In Stock	¥217.6 ¥184.4 ¥164.4 ¥161.1 View ¥148.3 ¥133 ¥128.4 ¥127.1	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ9, RJ10, RJ22		4P4C	Unshielded		SMD/SMT	Vertical	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black		Top Entry	MTJ	Tray
Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C MTJ-662X2 Adam Tech 1: ¥59.8 17,023In Stock 4,920On Order	Mfr. Part # MTJ-662X2 Mouser Part # 737-MTJ-662X2	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	17,023In Stock 4,920On Order	¥59.8 ¥51 ¥45.5 ¥41.4 View ¥38 ¥33.6 ¥32.2 ¥31.2 ¥28.6	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ12, RJ14, RJ25	1x1	6P6C	Unshielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Gray		Tab Up	MTJ	Tray
Modular Connectors / Ethernet Connectors 6P6C MOD PHONE JACK BLACK MTJ-663X1 Adam Tech 1: ¥58.1 13,692In Stock	Mfr. Part # MTJ-663X1 Mouser Part # 737-MTJ-663X1	Adam Tech	Modular Connectors / Ethernet Connectors 6P6C MOD PHONE JACK BLACK Learn More about Adam Tech mtj modular jacks	Datasheet	13,692In Stock	¥58.1 ¥50 ¥44.7 ¥41 View ¥37.7 ¥33.6 ¥32.2	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ12, RJ14, RJ25	1x1	6P6C	Unshielded		Through Hole	Vertical	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black		Top Entry	MTJ	Tray
Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C MTJ-669X1 Adam Tech 1: ¥91.4 4,988In Stock	Mfr. Part # MTJ-669X1 Mouser Part # 737-MTJ-669X1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	4,988In Stock	¥91.4 ¥79.2 ¥72.3 ¥71.1 View ¥70.9 ¥60.3 ¥56.5 ¥55.8	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ12, RJ14, RJ25	1x1	6P6C	Unshielded		Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors 8P8C TYPE 5 GLD FLSH BLK MTJ-885X1 Adam Tech 1: ¥124.6 10,008In Stock	Mfr. Part # MTJ-885X1 Mouser Part # 737-MTJ-885X1	Adam Tech	Modular Connectors / Ethernet Connectors 8P8C TYPE 5 GLD FLSH BLK Learn More about Adam Tech mtj modular jacks	Datasheet	10,008In Stock	¥124.6 ¥105.3 ¥94 ¥86.9 View ¥78.6 ¥75.6 ¥70.9 ¥70.8 ¥70.1	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 5	Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, DIP MTJ-88AAX1-FSV-LG Adam Tech 1: ¥242.5 1,445In Stock	Mfr. Part # MTJ-88AAX1-FSV-LG Mouser Part # 737-MTJ88AAX1FSVLG	Adam Tech	Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, DIP Learn More about Adam Tech mtj modular jacks	Datasheet	1,445In Stock	¥242.5 ¥239.2 ¥229.2	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black	Yellow / Green	Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, DIP MTJ-88ARX1-FSM-LG Adam Tech 1: ¥244.2 2,351In Stock 20,340On Order	Mfr. Part # MTJ-88ARX1-FSM-LG Mouser Part # 737-MTJ88ARX1FSMLG	Adam Tech	Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, DIP Learn More about Adam Tech mtj modular jacks	Datasheet	2,351In Stock 20,340On Order On Order Ship Dates Mfr. #: MTJ-88ARX1-FSM-LG Stock: 2,351 Can Ship Immediately On Order: 1,680 Pending 16,200 Expected 10/30/2026 2,460 Expected 11/2/2026 Factory Lead-Time: 18 Weeks	¥244.2 ¥215.9 ¥204.3 ¥176.1 View ¥161.3 ¥149.8 ¥140.5 ¥132	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black	Yellow / Green	Tab Up	MTJ	Tray
Modular Connectors / Ethernet Connectors CONN MOD JACK 8P8C R/A SHIELDED MTJG-4-88GX1-FSB Adam Tech 1: ¥347.1 4,308In Stock	Mfr. Part # MTJG-4-88GX1-FSB Mouser Part # 737-MTJG-4-88GX1-FSB	Adam Tech	Modular Connectors / Ethernet Connectors CONN MOD JACK 8P8C R/A SHIELDED Learn More about Adam Tech mtj modular jacks	Datasheet	4,308In Stock	¥347.1 ¥280.7 ¥259.1 ¥249.2 View ¥232.5 ¥222.6 ¥212.6 ¥199.3 ¥194.3	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x4	8P8C	Shielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black		Tab Down	MTJG	Tray
Modular Connectors / Ethernet Connectors 6P4C TYPE 5 GLD FLSH BLK MTJ-645X1 Adam Tech 1: ¥44.8 5,715In Stock 13,994On Order	Mfr. Part # MTJ-645X1 Mouser Part # 737-MTJ-645X1	Adam Tech	Modular Connectors / Ethernet Connectors 6P4C TYPE 5 GLD FLSH BLK Learn More about Adam Tech mtj modular jacks	Datasheet	5,715In Stock 13,994On Order On Order Ship Dates Mfr. #: MTJ-645X1 Stock: 5,715 Can Ship Immediately On Order: 13,832 Expected 1/8/2027 162 TBD Factory Lead-Time: 18 Weeks	¥44.8 ¥37.4 ¥33.4 ¥30.6 View ¥28.1 ¥26.7 ¥25.2 ¥24.9 ¥23.3	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ14	1x1	6P4C	Unshielded	Cat 5, Cat 5e	Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C MTJ-661X1 Adam Tech 1: ¥78.1 4,562In Stock	Mfr. Part # MTJ-661X1 Mouser Part # 737-MTJ-661X1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	4,562In Stock	¥78.1 ¥66.6 ¥59.6 ¥54.1 View ¥50.2 ¥46.8 ¥45 ¥42.7	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ12, RJ14, RJ25	1x1	6P6C	Unshielded		Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C MTJ-665X1 Adam Tech 1: ¥84.7 1,393In Stock 5,096Expected 1/8/2027	Mfr. Part # MTJ-665X1 Mouser Part # 737-MTJ-665X1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	1,393In Stock 5,096Expected 1/8/2027	¥84.7 ¥71.4 ¥63.8 ¥60.8 View ¥53.8 ¥51.2 ¥48.2 ¥47.5 ¥46.2	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ11, RJ12, RJ14, RJ25	1x1	6P6C	Unshielded		Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors 8P8C TYPE 2B GLD FLSH BLK MTJ-882BX1 Adam Tech 1: ¥126.2 2,381In Stock 5,000Expected 1/8/2027	Mfr. Part # MTJ-882BX1 Mouser Part # 737-MTJ-882BX1	Adam Tech	Modular Connectors / Ethernet Connectors 8P8C TYPE 2B GLD FLSH BLK Learn More about Adam Tech mtj modular jacks	Datasheet	2,381In Stock 5,000Expected 1/8/2027	¥126.2 ¥106.3 ¥95 ¥89 View ¥75.7 ¥71.4 ¥67.4 ¥66.1	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 5	Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Up	MTJ	Tray
Modular Connectors / Ethernet Connectors 8P8C TYPE 9 GLD FLSH BLK MTJ-889X1 Adam Tech 1: ¥103 5,460In Stock	Mfr. Part # MTJ-889X1 Mouser Part # 737-MTJ-889X1	Adam Tech	Modular Connectors / Ethernet Connectors 8P8C TYPE 9 GLD FLSH BLK Learn More about Adam Tech mtj modular jacks	Datasheet	5,460In Stock	¥103 ¥87.7 ¥78.4 ¥72.3 View ¥65.4 ¥62.3 ¥57.8 ¥55.8 ¥53.8	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 5	Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, DIP, SIDE ENT MTJ-88ARX1-LH Adam Tech 1: ¥98 1,447In Stock 5,376Expected 2/5/2027	Mfr. Part # MTJ-88ARX1-LH Mouser Part # 737-MTJ-88ARX1-LH	Adam Tech	Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, DIP, SIDE ENT Learn More about Adam Tech mtj modular jacks	Datasheet	1,447In Stock 5,376Expected 2/5/2027	¥98 ¥83.2 ¥74.4 ¥71.1 View ¥63 ¥60 ¥56.1 ¥55.1	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C		Green / Yellow	Tab Up	MTJ	Tray
Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, DIP MTJ-88TX1-FSD-LG Adam Tech 1: ¥161.1 873In Stock	Mfr. Part # MTJ-88TX1-FSD-LG Mouser Part # 737-MTJ-88TX1-FSD-LG	Adam Tech	Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, DIP Learn More about Adam Tech mtj modular jacks	Datasheet	873In Stock	¥161.1 ¥161 ¥149.8 ¥137.2 View ¥130.7 ¥125.6 ¥117.9 ¥104.5	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black	Yellow / Green	Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors 8P HOUSING TP 1 PLUG SZ 8 MTJ-881X1 Adam Tech 1: ¥74.7 363In Stock Factory Special Order	Mfr. Part # MTJ-881X1 Mouser Part # 737-MTJ-881X1 Factory Special Order	Adam Tech	Modular Connectors / Ethernet Connectors 8P HOUSING TP 1 PLUG SZ 8 Learn More about Adam Tech mtj modular jacks	Datasheet	363In Stock	¥74.7 ¥63.6 ¥55.5 ¥52.7 View ¥47.7 ¥44.7 ¥42.4 ¥41 ¥38.5	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 5, Cat 5e	Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, DIP, TOP ENTR MTJ-88DX1-LH Adam Tech 1: ¥154.5 1,720In Stock Factory Special Order	Mfr. Part # MTJ-88DX1-LH Mouser Part # 737-MTJ-88DX1-LH Factory Special Order	Adam Tech	Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, DIP, TOP ENTR Learn More about Adam Tech mtj modular jacks	Datasheet	1,720In Stock	¥154.5 ¥131.1 ¥119.6 ¥113.3 View ¥105.1 ¥97.2 ¥90.7 ¥78.1	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded		Through Hole	Vertical	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black	Green / Yellow	Tab Up	MTJ	Tray
Modular Connectors / Ethernet Connectors MODULAR JACK RJ45 8P8C MTJ-889X1-FSE Adam Tech 1: ¥127.9 551In Stock 3,620Expected 2/19/2027	Mfr. Part # MTJ-889X1-FSE Mouser Part # 737-MTJ-889X1-FSE	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK RJ45 8P8C Learn More about Adam Tech mtj modular jacks	Datasheet	551In Stock 3,620Expected 2/19/2027	¥127.9 ¥110.5 ¥90.9 ¥85.2 View ¥79.4 ¥67.9 ¥64.4 ¥61.5 ¥59.5	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray
Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, PNL MTJ-88ARX1-FSM-PG-LH Adam Tech 1: ¥171.1 10,800On Order	Mfr. Part # MTJ-88ARX1-FSM-PG-LH Mouser Part # 737-MTJ88ARX1FSMPGLH	Adam Tech	Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, PNL Learn More about Adam Tech mtj modular jacks	Datasheet	10,800On Order On Order Ship Dates Mfr. #: MTJ-88ARX1-FSM-PG-LH Stock: 0 On Order: 5,400 Expected 2/5/2027 5,400 Expected 2/12/2027 Factory Lead-Time: 18 Weeks	¥171.1 ¥145.8 ¥124.9 ¥118.8 View ¥115.4 ¥108.5 ¥100.8 ¥90.4 ¥87.7	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Shielded		Through Hole	Right Angle	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black	Green / Yellow	Tab Up	MTJ	Tray
Modular Connectors / Ethernet Connectors 8P8C TYPE 3 GLD FLSH BLK MTJ-883X1 Adam Tech 1: ¥88 5,082Expected 3/29/2027	Mfr. Part # MTJ-883X1 Mouser Part # 737-MTJ-883X1	Adam Tech	Modular Connectors / Ethernet Connectors 8P8C TYPE 3 GLD FLSH BLK Learn More about Adam Tech mtj modular jacks	Datasheet	5,082Expected 3/29/2027	¥88 ¥74.9 ¥65.9 ¥53.8 View ¥46.7 ¥41.4 ¥38 ¥34.9	Min.: 1 Mult.: 1	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 5, Cat 5e	Through Hole	Vertical	Solder	1.5 A	150 V	- 40 C	+ 85 C	Black		Tab Up	MTJ	Tray
Modular Connectors / Ethernet Connectors 8P8C TYPE 0 GLD FLSH BLK MTJ-880X1 Adam Tech Non-Stocked Factory Special Order	Mfr. Part # MTJ-880X1 Mouser Part # 737-MTJ-880X1 Factory Special Order	Adam Tech	Modular Connectors / Ethernet Connectors 8P8C TYPE 0 GLD FLSH BLK Learn More about Adam Tech mtj modular jacks	Datasheet	Non-Stocked		Request a Quote	Connectors	Modular	Jack (Female)	RJ45	1x1	8P8C	Unshielded	Cat 5, Cat 5e	Through Hole	Right Angle	Solder	1.5 A	125 V	- 40 C	+ 85 C	Black		Tab Down	MTJ	Tray

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