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 (SGD) 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 Colour	Tab Direction	Series	Packaging
Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C MTJ-66GX1 Adam Tech 1: $0.666 4,237In Stock	Mfr. Part No. MTJ-66GX1 Mouser Part No 737-MTJ-66GX1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	4,237In Stock	$0.666 $0.665 $0.32 $0.253	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 RJ45 MODULAR JACK, SHIELDED, DIP MTJ-88ARX1-FSM-LG Adam Tech 1: $2.00 20,231In Stock 2,460Expected 6/11/2026	Mfr. Part No. MTJ-88ARX1-FSM-LG Mouser Part No 737-MTJ88ARX1FSMLG	Adam Tech	Modular Connectors / Ethernet Connectors RJ45 MODULAR JACK, SHIELDED, DIP Learn More about Adam Tech mtj modular jacks	Datasheet	20,231In Stock 2,460Expected 6/11/2026	$2.00 $1.77 $1.67 $1.44 View $1.32 $1.23 $1.15 $1.08	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 MODULAR JACK 4P4C MTJ-44HX1 Adam Tech 1: $1.78 4,445In Stock	Mfr. Part No. MTJ-44HX1 Mouser Part No 737-MTJ-44HX1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 4P4C Learn More about Adam Tech mtj modular jacks	Datasheet	4,445In Stock	$1.78 $1.51 $1.35 $1.32 View $1.21 $1.09 $1.05 $1.04	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: $0.49 21,658In Stock	Mfr. Part No. MTJ-662X2 Mouser Part No 737-MTJ-662X2	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	21,658In Stock	$0.49 $0.418 $0.373 $0.339 View $0.311 $0.275 $0.264 $0.256 $0.234	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: $0.476 13,702In Stock	Mfr. Part No. MTJ-663X1 Mouser Part No 737-MTJ-663X1	Adam Tech	Modular Connectors / Ethernet Connectors 6P6C MOD PHONE JACK BLACK Learn More about Adam Tech mtj modular jacks	Datasheet	13,702In Stock	$0.476 $0.409 $0.366 $0.336 View $0.309 $0.275 $0.264	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: $0.748 4,977In Stock	Mfr. Part No. MTJ-669X1 Mouser Part No 737-MTJ-669X1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	4,977In Stock	$0.748 $0.649 $0.592 $0.582 View $0.581 $0.494 $0.462 $0.457	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: $1.02 6,356In Stock	Mfr. Part No. MTJ-885X1 Mouser Part No 737-MTJ-885X1	Adam Tech	Modular Connectors / Ethernet Connectors 8P8C TYPE 5 GLD FLSH BLK Learn More about Adam Tech mtj modular jacks	Datasheet	6,356In Stock	$1.02 $0.862 $0.77 $0.711 View $0.643 $0.619 $0.581 $0.579 $0.574	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 8P8C TYPE 9 GLD FLSH BLK MTJ-889X1 Adam Tech 1: $0.843 5,460In Stock	Mfr. Part No. MTJ-889X1 Mouser Part No 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	$0.843 $0.718 $0.642 $0.592 View $0.536 $0.51 $0.473 $0.457 $0.441	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: $1.99 1,445In Stock	Mfr. Part No. MTJ-88AAX1-FSV-LG Mouser Part No 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	$1.99 $1.96 $1.88	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 CONN MOD JACK 8P8C R/A SHIELDED MTJG-4-88GX1-FSB Adam Tech 1: $2.84 4,308In Stock	Mfr. Part No. MTJG-4-88GX1-FSB Mouser Part No 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	$2.84 $2.30 $2.12 $2.04 View $1.90 $1.82 $1.74 $1.63 $1.59	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: $0.367 5,715In Stock 13,994On Order	Mfr. Part No. MTJ-645X1 Mouser Part No 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. No: MTJ-645X1 Stock: 5,715 Can Dispatch Immediately On Order: 13,832 Expected 8/1/2027 162 TBD Factory Lead Time: 18 Weeks	$0.367 $0.306 $0.273 $0.25 View $0.23 $0.219 $0.207 $0.204 $0.19	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: $0.639 4,562In Stock	Mfr. Part No. MTJ-661X1 Mouser Part No 737-MTJ-661X1	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK 6P6C Learn More about Adam Tech mtj modular jacks	Datasheet	4,562In Stock	$0.639 $0.545 $0.488 $0.443 View $0.411 $0.384 $0.369 $0.35	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: $0.694 1,393In Stock 5,096Expected 8/1/2027	Mfr. Part No. MTJ-665X1 Mouser Part No 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 8/1/2027	$0.694 $0.585 $0.522 $0.498 View $0.441 $0.419 $0.394 $0.389 $0.378	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: $1.03 2,381In Stock 5,000Expected 8/1/2027	Mfr. Part No. MTJ-882BX1 Mouser Part No 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 8/1/2027	$1.03 $0.87 $0.778 $0.729 View $0.62 $0.585 $0.552 $0.541	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 RJ45 MODULAR JACK, DIP, SIDE ENT MTJ-88ARX1-LH Adam Tech 1: $0.802 1,422In Stock 5,376Expected 5/2/2027	Mfr. Part No. MTJ-88ARX1-LH Mouser Part No 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	1,422In Stock 5,376Expected 5/2/2027	$0.802 $0.681 $0.609 $0.582 View $0.515 $0.491 $0.46 $0.452	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: $1.32 853In Stock	Mfr. Part No. MTJ-88TX1-FSD-LG Mouser Part No 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	853In Stock	$1.32 $1.23 $1.12 $1.07 View $1.03 $0.966 $0.855	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, DIP, TOP ENTR MTJ-88DX1-LH Adam Tech 1: $1.26 1,720In Stock Factory Special Order	Mfr. Part No. MTJ-88DX1-LH Mouser Part No 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	$1.26 $1.07 $0.979 $0.928 View $0.861 $0.796 $0.743 $0.639	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: $1.05 6,020On Order	Mfr. Part No. MTJ-889X1-FSE Mouser Part No 737-MTJ-889X1-FSE	Adam Tech	Modular Connectors / Ethernet Connectors MODULAR JACK RJ45 8P8C Learn More about Adam Tech mtj modular jacks	Datasheet	6,020On Order On Order Ship Dates Mfr. No: MTJ-889X1-FSE Stock: 0 On Order: 20 Expected 8/1/2027 6,000 Expected 19/2/2027 Factory Lead Time: 25 Weeks	$1.05 $0.904 $0.744 $0.698 View $0.65 $0.556 $0.528 $0.503 $0.487	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: $1.40 10,800On Order	Mfr. Part No. MTJ-88ARX1-FSM-PG-LH Mouser Part No 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. No: MTJ-88ARX1-FSM-PG-LH Stock: 0 On Order: 5,400 Expected 5/2/2027 5,400 Expected 12/2/2027 Factory Lead Time: 18 Weeks	$1.40 $1.19 $1.02 $0.972 View $0.945 $0.888 $0.826 $0.74 $0.718	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: $0.721 5,082Expected 13/1/2027	Mfr. Part No. MTJ-883X1 Mouser Part No 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 13/1/2027	$0.721 $0.613 $0.54 $0.441 View $0.382 $0.339 $0.311 $0.286	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 No. MTJ-880X1 Mouser Part No 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
Modular Connectors / Ethernet Connectors 8P HOUSING TP 1 PLUG SZ 8 MTJ-881X1 Adam Tech Non-Stocked Lead-Time 13 Weeks Factory Special Order	Mfr. Part No. MTJ-881X1 Mouser Part No 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	Non-Stocked Lead-Time 13 Weeks		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

MTJ Single-Port Modular Jacks

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MTJ Single-Port Modular Jacks

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