YL CONNECTOR
4.5mm pitch/Disconnectable Crimp style Wire-to-wire connectors
Retainer
Housing lance
Panel lock
Inner lock
The retainer features added protection
against non-insertion or disconnection.
• Housing lance
• Secondary retainers
• Inner-housing lock
• Panel lock construction
Specifications –––––––––––––––––––
• Current rating:
10A AC, DC max. (7A when retainers are mounted)
• Voltage rating: 300V AC, DC max.
• Temperature range: -25˚C to +90˚C
(including temperature rise in applying
electrical current)
• Contact resistance: Initial value/7m Ωmax.
After environmental testing/10m Ωmax.
• Insulation resistance: 1,000M Ωmin.
• Withstanding voltage: 1,500V AC/minute
• Applicable wire: AWG #26 to #16
0.13 to 1.25mm2
• Applicable panel thickness: 0.7 to 2.0mm
*RoHS compliant products are published.
* Temperature Range:
The aforementioned temperature range of this connector is
described in JST Standard Product Specification.
Maximum temperature registered in UL is 105˚C.
*Refer to "General Instruction and Notice when using
Terminals and Connectors" at the end of this catalog.
* Contact JST for details.
Note: The current rating varies depending on the number of circuits and the wire
size used in each connector. The table below lists the current rating as a
function of the number of circuits and the wire size.
#16 #18 #20 #22 #24 #26
1
2
3
4
6
8
9
12
15
16
21
10
10
9
9
8
7
6
6
5
5
5
7
7
6
6
5
4
4
3
3
3
3
5
5
4
4
3
3
3
2
2
2
2
4
4
4
4
3
3
3
2
2
2
2
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
Circuits Wire size (AWG)
Current unit: A
Note: Secondary retainers cannot be used with AWG #16 wires.
C
9.8
A
B
D
3.2
E
Type Circuits
Dimensions (mm)
AB
Single row
2-row
3-row
2・3
4・6・8・12・16
9・12・15・21
9.5
15.3
20.5
10.8
16.6
21.8
Cir-
cuits
Receptacle
housing
Model No.
Panel
thickness
(mm)
Dimensions
(mm)
0.7 to 2.0 0.7 to 0.8 0.9 to 1.3 1.4 to 2.0
ABCD
±0.1 E±0.1 D±0.1 E±0.1 D±0.1 E±0.1
2
3
4
6
8
9
12
15
16
21
YLR-02V
YLR-03V
YLR-04V
YLR-06V
YLR-08V
YLR-09V
YLR-12V
YLR-12VA
YLR-15V
YLR-16V
YLR-21V
10.7
15.3
10.7
15.3
19.8
15.3
19.8
28.9
24.4
37.9
33.5
16.8
21.3
16.8
21.3
25.8
21.3
25.8
34.8
30.3
43.8
39.3
7.1
7.1
12.9
12.9
12.9
18.2
18.2
12.9
18.2
12.9
18.2
4.4
4.4
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
7.1
1.35
1.35
2.9
2.9
2.9
5.55
5.55
2.9
5.55
2.9
5.55
1.05
1.05
2.6
2.6
2.6
5.25
5.25
2.6
5.25
2.6
5.25
0.75
0.75
2.3
2.3
2.3
4.95
4.95
2.3
4.95
2.3
4.95
5.6
5.6
8.3
8.3
8.3
8.3
8.3
8.3
8.3
8.3
8.3
5.0
5.0
7.7
7.7
7.7
7.7
7.7
7.7
7.7
7.7
7.7
Note: 1. Punch holes in the panel according to the sketch and table shown
above. Burrs must be removed.
2. The strength of the panel must be considered when punching two or
more holes.
3. The connector must be inserted from the same side as the hole is
punched.
B
35.1
38.7 (including retainer)
A
Standards ––––––––––––––––––––
0Recognized E60389
1Certified LR20812
2R9351052
Assembly layout and Panel Layout
361
362
Pin contact
Material and Finish
Model No.
mm2AWG #
Insulation O.D.
(mm)
Applicable wire Q'ty/
reel
Pin contact Socket contact
SYM-01T-P0.5A
SYM-41T-P0.5A
SYF-01T-P0.5A
SYF-41T-P0.5A
0.13 〜 0.5
0.5 〜 1.25
*0.3+0.3〜
0.5+0.5
26 〜 20
20 〜 16
*22+22〜
20+20
1.3 〜 2.5
2.0 〜 3.4
*1.5+1.5〜
2.0+2.0
Phosphor bronze, tin-plated (reflow treatment)
4,000
SYM-01T-P0.5A
5,000
（     ）
RoHS compliance
Note: 1. Contact JST for special products.
2. Retainers cannot be used with electric wire whose insulation O.D.
exceeds 2.7mm and AWG #16.
3. *Marked products are not TU
¨Vapproved.
Socket contact
YL CONNECTOR
Note: *Strip-crimp applicator
MKS-L
*MKS-SC-YL
MKS-L
*MKS-SC-YL
SYM-01T-P0.5A
SYF-01T-P0.5A
SYM-41T-P0.5A
SYF-41T-P0.5A
Contact
Crimping
machine
Crimp applicator with dies
AP-K2N
MK/SYF/M-01-05
SC/SYF/M-01-05
MK/SYF/M-41-05
SC/SYF/M-41-05
Crimp applicator
Dies
APLMKSYF/M01-05
APLSCSYF/M01-05
APLMKSYF/M41-05
APLSCSYF/M41-05
Applicator
2L JST
1
2
L JST
1
3
2
1
43
L JST
2
1
54
L JST
3
6
2
1
65
3
7
4
8
L JST
2
1
3
564
897
L JST
3
1
4
786
1112 10
L JST
5
9
2
2
1
98
3
10
4
11
L JST
5
12 7
6
4
1
5
786
1415 13
L JST 11
3
12
2
910
3
1
12 11
4
13
5
14
L JST
6
16 9
8 2
1015
7
4
1
5
1112 8
2021 19 L JST 15
3
18
13
14 10
17
9
16
267
2
12
1
34
32
1
6
5
4
8
6
5
4
2
73
1
9
8
7
6
5
4
3
2
1
9
8
7
3
2
1
12
11
10
6
5
4
11
10
9
7
6
5
3
2
1
12 84
13
12
11
8
7
6
3
2
1
15 10 5
14 94 11
10
9
3
2
1
14
13
12
6
5
16
15 8
7
4
17
16
15
10
9
8
3
2
1
18 11 4
20
19 13
12 6
5
21 14 7
2
1
3
L JST
1
1
Receptacle housing
2
12
1
3
2
12
35
68
6
5
7
9
8
7
6
5
49
8
7
12
11
10 7
6
5
3
2
1
84
13
12
11
8
7
6
15
10 149
3
2
1
6
5
8
7
417
16
15
10
9
8
18
11
20
19
13
12
21
14
2
L JST
1
2
L JST
1
3
2
1
L JST
43
2
1
3
L JST
54 6
2
1
3
65 7 4
8
L JST
5 6
2 3
1
4
8 97 L JST
1
3
97 10 6
12
L JST
2
8411
5
2
1
3 4
L JST
6 7 85
10 11 129
1
3 4
L JST
6 7 8
11 12
2 5
910
13 14 15
1
3
119 12 6
14
L JST
2
10 413
5 7
15 8
16
1
5 6
L JST
8 11 12
15 18
4 7
13 14
19 20 21
10
17
3
9
16
2
4
314
11
10
9
12
3
2
1
6
5
4
3
2
1
4
2
3
1
3
2
1
5
4
11
10
9
14
13
12
16
15
3
2
1
4
6
5
7
L JST
1
1
Plug housing
Contact position numbers are stamped
Receptacle housing Plug housing
Retainer Retainer
Contact
Contact position location numbers
362
YL CONNECTOR
RoHS compliance
Note: Current rating in parentheses is for use with AWG #16 wire. (Retainers are not mountable.)
Material: Housing...PA 66, UL94V-0, white
Retainer...Glass-filled PA 66, UL94V-0, ivory
Retainer
Q´ty /
bag
Q´ty /
bag
Voltage
rating
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
3 300V
2 300V
YLR-02V
YLR-02VF
YLR-03V
YLR-03VF 500
500
YLP-02V
YLP-03V YLS-03V
(commonly used for
3-circuit housing and
6-circuit housing)
YLS-02V
500
500 1,000
1,000
2L JST
1
26.6
10.3 3.03.0
6.7 3.1
2
L JST
1
20.9 8.5 3.5 6.0
10.3
2
L JST
1
3
20.9 8.5 3.5 6.0
14.8
2.9
8.3
2.9
12.8
L JST
1
20.9
17A
（10A）
300V
Q´ty /
bag
Q´ty /
bag
1,000
YLR-01VF YLP-01V YLS-01V
3.8
2.9
5.8
8.5
3.35 6.0
Q´ty /
bag
Circuits
Receptacle housing(for pin contact) Plug housing(for socket contact)
Current
rating
500500
7A
（10A）
6A
（9A）
L JST
26.6
6.7 3.0
5.8
2L JST
1
26.6
10.3
6.7 3.1
2
L JST
1
3
26.6
14.8 3.03.0
6.7 3.1
L JST
26.6
14.8
6.7 3.1
2
1
3
Housing
363
YL CONNECTOR
RoHS compliance
Note: Current rating in parentheses is for use with AWG #16 wire. (Retainers are not mountable.)
Material: Housing...PA 66, UL94V-0, white
Retainer...Glass-filled PA 66, UL94V-0, ivory
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
Q´ty /
bag
4 300V
8 300V
9 300V
500
500
250
250
500
500
500
500
1,000
1,000
YLR-04V
YLR-04VF
YLR-06V
YLR-06VF
YLR-08V
YLR-09V YLP-09V
YLP-04V
YLS-08V
YLS-02V
YLP-08V
YLP-06V
6 300V
YLS-03V
(commonly used for
3-circuit housing and
6-circuit housing)
1,000
2
1
26.6
10.3 3.03.0
12.5 3.1
43
L JST
2
1
26.6
14.8 3.0
3.0
12.5 3.1
54
L JST
3
6
2
1
26.6
19.3 3.03.0
12.5 3.1
65
3
7
4
8
L JST
YLR-08VF
2
1
26.6
19.3
12.5 3.1
65
3
7
4
8
L JST
2
1
26.6
14.8 3.03.0
17.7 3.1
3
564
897
L JST
5 6
17.020.9
8.5
3.5
14.8
2 3
1
4
8 97 L JST
2
1
3
20.9
8.5
3.5 11.8
19.3
65 7 4
8
L JST
2
1
3
20.9
8.5
3.5 11.8
L JST
14.8
54 6 2
1
20.9
8.5
3.5 11.8
10.3
L JST
43
2.9
8.3
2.9
12.8
19.0
2.9
Retainer
Voltage
rating
Q´ty /
bag
Circuits Receptacle housing(for pin contact) Plug housing(for socket contact)
Current
rating
6A
（9A）
5A
（8A）
4A
（7A）
4A
（6A）
2
1
L JST
54
L JST
3
6
12.5 3.1 26.6
14.8
2
1
26.6
10.3
12.5 3.1
43
L JST
Housing
364
YL CONNECTOR
RoHS compliance
Note: Current rating in parentheses is for use with AWG #16 wire. (Retainers are not mountable.)
Current
rating Retainer
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
Voltage
rating
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
12 300V
15 300V
16 300V
200
200
200
100
200
200
200
200
1,000
−
−
1,000
−
−
YLR-12VA
YLR-12V
YLR-15V
YLR-16V YLP-16V
YLP-15V
YLP-12V
YLP-12VA YLS-12V
YLS-16V
26.3
2.9
37.0
2.9
Circuits
Receptacle housing(for pin contact) Plug housing(for socket contact)
Q'ty /
bag
3A
（6A）
3A
（5A）
3A
（5A）
2
1
26.6
28.3 3.03.0
12.5
98
3
10
4
11
L JST
5
12 7
6
3
1
26.6
19.3 3.03.0
17.7
3.1
4
786
1112 10
L JST
5
9
24
1
26.6
23.8 3.03.0
17.7
5
786
1415 13
L JST 11
3
12
2
910
3
1
26.6
37.3 3.03.0
12.5
12 11
4
13
5
14
L JST
6
16 9
8 2
1015
7
3.1
3.1
3.1
1
3
20.9 8.5 11.8
28.3
97 10 6
12
L JST
2
8411
5
2
1
3
17.020.9 8.5
19.3
4
L JST
3.5
6 7 85
10 11 129
1
3
17.020.9
8.5
23.8
4
L JST
3.5
6 7 8
11 12
2 5
910
13 14 15
1
3
20.9
8.5
11.8
37.3
119 12 6
14
L JST
2
10 413
5 7
15 8
16
3.5
3.5
Material: Housing...PA 66, UL94V-0, white
Retainer...Glass-filled PA 66, UL94V-0, ivory
Housing
365
YL CONNECTOR
RoHS compliance
Note: Current rating in parentheses is for use with AWG #16 wire. (Retainers are not mountable.)
Q'ty /
bag
Q'ty /
bag
Q'ty /
bag
21 300V
YLR-21V YLP-21V
100 200 −
−
4
1
26.6
32.8 3.03.0
17.7
5
1112 8
2021 19 L JST 15
3
18
13
14 10
17
9
16
267
1
5
17.020.9
8.5
32.8
6
L JST
3.5
8 11 12
15 18
4 7
13 14
19 20 21
10
17
3
9
16
2
Current
rating Retainer
Voltage
rating
Circuits
Receptacle housing(for pin contact) Plug housing(for socket contact)
3A
（5A）
3.1
Material: Housing...PA 66, UL94V-0, white
Housing
366