1
MJ CONNECTOR
Modular jack connectors
1.02
12.8
14.5
16.5
±0.1
2-
φ
2.4
±0.1
2-
φ
0.8
±0.05
1.02
±0.05
2.54
±0.05
2
±0.05
12.8
CircuitNo.1
CircuitNo.1
14.5
16.5
1.02
3.06
12.8
±0.1
2-
φ
2.4
±0.1
4-
φ
0.8
±0.05
12.8
±0.05
2.54
±0.05
2
±0.05
1.02
±0.05
3.06
5.1
14.5
16.5
1.02
12.8
±0.1
2-
φ
2.4
±0.05
5.1
±0.1
6-
φ
0.8
±0.05
12.8
±0.05
2.54
±0.05
2
±0.05
1.02
CircuitNo.1
Specifications –––––––––––––––––––
• Current rating: 1.3A AC, DC
• Voltage rating: 250V AC, DC
• Temperature range: -40˚C to +80˚C
(including temperature rise in applying
electrical current)
• Contact resistance: Initial value/20m Ωmax.
After environmental testing/40m Ωmax.
• Insulation resistance: 1,000M Ωmin.
• Withstanding voltage: 1,000V AC/minute
• Applicable PC board thickness: 1.6mm
2.4mm (8 circuits straight type)
*Compliant with RoHS.
*Refer to "General Instruction and Notice when using
Terminals and Connectors" at the end of this catalog.
* Contact JST for details.
Standards ––––––––––––––––––––––
0Recognized E174260
1Certified LR20812
Conforms to FCC Standards
(6 circuits and 8 circuits MJ connector)
• Upper contact point
• Metal hook
• Shielding effect
• Grounding
• Correspond to high-speed LAN transmission
(MJ-88U-SD315K-T)
Connector
Normal type
2/6 type 4/6 type 6/6 type
Note: 1. Tolerances are non-cumulative:
±
0.05mm for all centers.
2. Hole dimensions differ according to the kind of PC board and piercing method. The dimensions above should serve as a guideline. Contact JST for details.
2
MJ CONNECTOR
Model No.Circuits
Type Q'ty / box
MJ-62J-RD315
MJ-64J-RD315
MJ-66J-RD315
MJ-44J-RD315
MJ-62C-SD335
MJ-64C-SD335
MJ-66C-SD335
MJ-62D-SD335
MJ-64D-SD335
2/6
4/6
6/6
4/4
2/6
4/6
6/6
2/6 with DC jack
4/6 with DC jack
Normal
type
Straight
type
2
4
6
4
2
4
6
2
4
Material and Finish
Contact: Normal type/ Phosphor bronze, nickel-undercoated,
Mating part; gold-plated 1.27µm min.
Solder tail; tin-plated (reflow treatment)
Straight type/ Phosphor bronze, nickel-undercoated,
Mating part; gold-plated 1.27µm min.
Overall; gold-plated (flash)
Housing: Glass-filled PBT, UL94V-0
Hook pin: Brass, tin-plated (reflow treatment)
Moving contact (spring): Copper alloy, tin-plated (reflow treatment) [with-DC-jack type only]
Stationary contact (pin): Brass, nickel-undercoated, tin/copper alloy-plated [with-DC-jack type only]
270
270
270
306
180
180
180
108
108
14.5
16.5
3.06
1.02
10.8
±0.05
10.8
±0.1
2-
φ
2.4
±0.1
4-
φ
0.8
±0.05
2.54
±0.05
2
±0.05
1.02
±0.05
3.06
CircuitNo.1
15 14.9
8.9
18.3
±0.05
13
±0.1
1.2
±0.1
2-φ0.8
±0.1
2.4
±0.05
1.02
±0.05
7.3 ±0.05
2.3
CircuitNo.1
2-R0.6
15 14.9
8.9
18.3
±0.05
13
±0.1
1.2
±0.1
4-φ0.8
±0.1
2.4
±0.05
1.02
±0.05
7.3 ±0.05
2.3
CircuitNo.1
2-R0.6
±0.05
3.06
15 14.9
8.9
18.3
±0.1
6-φ0.8
±0.05
7.3 ±0.05
2.3
CircuitNo.1
±0.05
1.02
±0.05
5.1
±0.05
13
±0.1
1.2
±0.1
2.4
2-R0.6
1.02
25
10
14.5
28.5
＋0.1
 0
φ
1.4
±0.05
1.02
±0.05
2.54
±0.05
15
±0.05
10
±0.05
25
±0.05
7
±0.05
6
±0.05
6
±0.05
3.6
±0.1
2
2-R0.5
±0.1
1
±0.1
2-
φ
0.8
CircuitNo.1
±0.1
3-
φ
2.4
1.02
25
10
14.5
28.5
±0.1
3-
φ
2.4
＋0.1
 0
φ
1.4
±0.1
4-
φ
0.8
±0.05
1.02
±0.05
3.06
±0.05
2.54
±0.05
15
±0.05
10
±0.05
25
±0.05
7
±0.05
6
±0.05
6
±0.05
3.6
±0.1
2
2-R0.5
±0.1
1
CircuitNo.1
Connector and PC board layout (viewed from component side)
Normal type
4/4 type
Straight type
2/6 type 4/6 type
6/6 type 4/6 type with DC jack2/6 type with DC jack
RoHS compliance This product displays (LF)(SN) on a label.
The product with DC jack displays (LF) on a label.
Note: 1. Tolerances are non-cumulative:
±
0.05mm for all centers.
2. Hole dimensions differ according to the kind of PC board and piercing method.
The dimensions above should serve as a guideline. Contact JST for details.
3
MJ CONNECTOR
Material and Finish
Model No.Circuits
Type Q'ty / box
MJ-88H-RD315K
MJ-88R-RD315K
MJ-88U-SD315K-T
Normal type (with shielding)
Normal type (with plastic hook)
Straight type (with shielding)
8
8
8
Contact: Phosphor bronze, nickel-undercoated,
Mating part; gold-plated 1.27µm min.
Solder tail; tin-plated (reflow treatment)
Housing: Glass-filled PBT, UL94V-0(Normal type)
Glass-filled LCP, UL94V-0(Straight type)
Shield cover: Phosphor bronze, tin-plated (reflow treatment) [Normal type,Straight type]
Shield pin: Phosphor bronze, copper-undercoated, tin-plated (reflow treatment) [Straight type]
520
520
144
Model No.Circuits Q'ty / box
MJ-JP56K
MJ-JP68K
6
8
Material
MJ-JP56K: PA 66, UL94V-0
MJ-JP68K: PBT, UL94V-0
500
1,000
7.14
17.5
13
15.8
1.02
±0.1
8-
φ
0.8
±0.1
2-
φ
2
＋0.1
2-
φ
1.6
P.C.board edge
Connector edge
±0.05
1.02
±0.05
7.14
7.3
 0
−0.1
3.3
±0.05
5.95 ±0.05
2.54
±0.05
3
±0.05
11
±0.05
15.8
 0
CircuitNo.1
±0.05
1.27 ±0.05
1.27
±0.05
8.89
±0.1
11.43
±0.05
8.89
±0.05
2.54
±0.05
3.89
±0.05
2.22 ±0.05
2.22
±0.1
2-
φ
3.3
±0.05
10-
φ
0.9
16.75 17.7
16.5
8
CircuitNo.1
17.15
12.75
7.14
12.3
1.02
7.5
 0
−0.1
5.0
±0.05
2.54
±0.05
5.5
±0.1
8-
φ
0.8
＋0.1
2-
φ
3.1
P.C.board edge
Connector edge
±0.05
1.02
±0.05
7.14
±0.05
12.3
 0
Circuit No.1
12.2 8 7
14.5
7
14 9 7
11.7
7
Connector and PC board layout (viewed from component side)
8 circuits
Normal type (with shielding)
8 circuits
Straight type (with shielding)
8 circuits
Normal type (with plastic hook)
RoHS compliance This product displays (LF)(SN) on a label.
Note: 1. Tolerances are non-cumulative:
±
0.05mm for all centers.
2. Hole dimensions differ according to the kind of PC board and piercing method.
The dimensions above should serve as a guideline. Contact JST for details.
3. Straight type product is designed for pressing the boss of housing into a PC board and mounting it on a PC board.
Cap for dust
6 circuits
8 circuits
RoHS compliance
Note: Not UL/CSA approved.