2.0mm pitch/Board-to-board connectors
FJ
CONNECTOR
• Flexible connection absorbs circuit board
misalignment
• Provides a low profile mount and allows
connection after mounting
• Assures a reliable connection
Specifications –––––––––––––––––––
• Current rating: 1.0A AC, DC
• Voltage rating: 50V AC, DC
• Temperature range: -25˚C to +85˚C
(including temperature rise in applying
electrical current)
• Contact resistance: Initial value/40m
Ω
max.
After environmental testing/80m
Ω
max.
• Insulation resistance:
500M
Ω
min.
• Withstanding voltage: 500V AC/minute
• Applicable PC board thickness: 1.6mm
* Compliant with RoHS.
* Refer to "General Instruction and Notice when using
Terminals and Connectors" at the end of this catalog.
* Contact JST for details.
The FJ board-to-board connector absorbs
lateral and longitudinal alignment errors
thanks to an innovative new design that
provides flexible connection between
closely spaced circuit boards. Added
advantages are simplified and less
stringent packaging specifications for
board-to-board connections and a higher
quality end product.
Standards ––––––––––––––––––––––
1
Certified LR20812
FJ-V type
0
Recognized E60389
PC board layout (viewed from component side) and Assembly layout
Short type
Receptacle side
2.0min
7.0
±0.5
2.5min 2.65min
±0.5
Plug side
2.0min
（11.2）
Receptacle side
2.0min
18.0
＋1.0
Plug side
2.0min
5.3
2.5min 2.65min
±0.5
6.0
2.0
±0.05
2.0
±0.05
2.0
5.5
2.5
18.0
2.65
36.3
10.8
4.0
2.65
（30.0）
2.0
5.5
3.0
6.0
2.0
±0.05
0.1
φ
0.7
＋0
φ
0.7
＋0.1
0
2.5
2.65
（7.0）
φ0.7
＋ 0.1
0
φ0.7
＋ 0.1
0
FJ-L type
Receptacle side
2.0min
20.0
＋ 1.0
0
FJ-K type
Plug side
2.0min
（26.3）
10.8
4.0
Receptacle side
2.0min
Plug side
2.0min
2.0
±0.05
2.5min 2.65min
±
0.5
30.0
＋1.0
2.5min 2.65min
±0.5
6.0
5.5
2.0
±0.05
2.0
±0.05
2.0
±0.05
6.0
2.0
±0.05
2.5
φ0.7
＋ 0.1
0
φ0.7
＋ 0.1
0
（20.0）
2.65
＋
φ0.7
0.1
0
＋0.1
φ0.7
0
2.5
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.
1
FJ CONNECTOR
Plug
Short type
1.4
4.0
1.1
FJ-V type
4.8
4.0
2.0
H JST
12.8
J S T
2.0
2.0
5.5
2.65
2.0
3.3
5.5
H JST
3.0
2.0
2.0
A
B
0.6
2.65
2.0
2.0
4.0
2.0
A
B
0.6
4.0
FJ-L type
FJ-K type
3.0
10.8
28.8
3.3
5.5
2.65
2.0
2.0
A
B
24.8
10.8
10.8
10.0
JST
2.0
2.0
A
B
Circuits
4
5
6
7
8
9
10
11
12
13
14
15
Short type
04P-FJ
−
06P-FJ
07P-FJ
08P-FJ
09P-FJ
10P-FJ
11P-FJ
12P-FJ
−
14P-FJ
−
Model No.
FJ-L type
FJ-V type
−
−
05PL-FJ
−
06PL-FJ
−
07PL-FJ
−
08PL-FJ
−
−
−
10PL-FJ
−
−
11PV-FJ
12PL-FJ
−
−
13PV-FJ
14PL-FJ
−
−
15PV-FJ
FJ-K type
−
05PK-FJ
06PK-FJ
07PK-FJ
08PK-FJ
−
10PK-FJ
−
12PK-FJ
−
14PK-FJ
−
Dimensions (mm)
A
B
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
28.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
32.0
Short type
500
−
250
250
200
200
200
200
100
Q'ty / box
FJ-V type
FJ-L type
−
−
250
200
200
200
15.0
2.65
38.8
FJ-K type
−
150
150
100
100
−
−
−
−
−
−
168
−
100
−
100
−
100
−
50
−
168
−
100
−
100
−
50
−
168
−
−
−
Material and Finish
Contact: Phosphor bronze, tin-plated (reflow treatment)
Housing: PA 66, UL94V-0, white
Insulation tape: Acetate, UL510FR (FJ-L type)
Polyester, UL94V-0 (FJ-K type)
RoHS compliance
Receptacle
Circuits
4
1.4
5.3
Model No.
04R-FJ
05R-FJ
06R-FJ
07R-FJ
08R-FJ
09R-FJ
10R-FJ
11R-FJ
12R-FJ
13R-FJ
14R-FJ
15R-FJ
Dimensions (mm)
A
B
6.0
8.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
28.0
10.0
12.0
14.0
16.0
18.0
20.0
22.0
24.0
26.0
28.0
30.0
32.0
Q'ty / box
500
500
500
500
250
250
250
250
200
200
200
200
5
6
7
6.0
8
9
10
11
3.3
12
13
14
15
2.0
2.0
A
B
0.6
2.5
Material and Finish
Contact: Phosphor bronze, copper-undercoated, tin-plated (reflow treatment)
Housing: PA 66, UL94V-0, white
2
RoHS compliance
This product displays (LF)(SN) on a label.
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