21
2345
JST
B
This, the thinnest, 2.5mm (.098") pitch
connector, is 8.1mm (.319") in height after
mounting and 3.8mm (.150") in width. It is
designed to meet the demand for the high-
density connection of internal wires to
printed circuit boards. It is compact,
highly reliable and low in cost.
Features–––––––––––––––––––––––
• Compact and slim
This connector is designed to be compact and unusually thin.
It measures only 8.1mm (.319") high after mounting and is just
3.8mm (.150") wide.
• Highly reliable contact
The contact has long dimples near the center that ensure
continuity of low voltage and low current circuits at all times,
even under conditions of vibration and abusive prying.
• Polarizing guides
The header and housing have guides to prevent improper
mating.
• Whisker prevention
The contact material is treated with a reflow process, and the
square post is copper-undercoated and tin/lead-plated for
whisker prevention.
• Easy and effective crimping
Although the contact is compact, it has a long wire strip length,
2.6 ± 0.4mm (.102" ± .016"). This long length is very useful for
automatic crimping and when crimping shielded wires.
• Interchangeability
The shrouded header is interchangeable with those of 2.5mm
(.098") pitch insulation displacement HR connectors.
Specifications ––––––––––––––––––
• Current rating: 3.0A AC, DC
• Voltage rating: 250V AC, DC
• Temperature range: -25˚C to +85˚C
(including temperature rise in applying
electrical current)
• Contact resistance: Initial value/10m Ωmax.
After environmental testing/20m Ωmax.
• Insulation resistance: 1,000MΩmin.
• Withstanding voltage: 800V AC/minute
• Applicable wire: AWG #32 to #22
• Applicable PC board thickness: 0.8 to 1.6mm(.031" to .063")
* Contact JST for details.
Standards –––––––––––––––––––––
Recognized file No. E60389
Certified file No. LR20812
File No. R75089 (conforms to DIN/VDE 0627)
EH CONNECTOR
Disconnectable Crimp style connectors
2.5mm
(.098") pitch
Crimp
Radial Tape
22
EH CONNECTOR
22
Contact –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Model No. Applicable wire
mm2AWG #
Insulation O.D. mm(in.)
Q´ty /
reel
SEH-001T-P0.6
SEH-003T-P0.6L
0.05 to 0.3
0.032 to 0.08
30 to 22
32 to 28
1.0 to 1.9(.039 to .075)
0.5 to 1.1(.020 to .043)
9,000
Material and Finish
Phosphor bronze, Tin-plated
Shape
A
B
Housing ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
0.7
A
B
JST
21367
6.5(.256)
3.8(.150)
2.25
(.089) 2.5(.098)
0.6
(.024)
(.028)
Model No. Q´ty /
bag
Cir-
cuits Dimensions mm(in.)
AB
Material
2
3
4
5
6
7
8
9
10
11
12
13
14
15
EHR- 2
EHR- 3
EHR- 4
EHR- 5
EHR- 6
EHR- 7
EHR- 8
EHR- 9
EHR-10
EHR-11
EHR-12
EHR-13
EHR-14
EHR-15
2.5( .098)
5.0( .197)
7.5( .295)
10.0( .394)
12.5( .492)
15.0( .591)
17.5( .689)
20.0( .787)
22.5( .866)
25.0( .984)
27.5(1.083)
30.0(1.181)
32.5(1.280)
35.0(1.378)
7.0( .276)
9.5( .374)
12.0( .472)
14.5( .571)
17.0( .669)
19.5( .768)
22.0( .866)
24.5( .965)
27.0(1.063)
29.5(1.161)
32.0(1.260)
34.5(1.358)
37.0(1.457)
39.5(1.555)
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
Nylon 66, UL94V-0, natural (white)
Note:
1.Contact JST if you require gold-plated contacts.Contact JST for details.
2.SEH-003T-P0.6L is not TU
¨V approved.
5.7(.224)
2.85(.112) 2.05(.081) 1.0(.039)
2.0(.079)
1.6(.063)
1.1(.039)
5.7(.224)
2.85(.112) 2.05(.081)
2.0(.079)
1.6(.063)
Shape A
Shape B
23
EH CONNECTOR
Shrouded header –––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Model No. Q´ty / box
Cir-
cuits
Dimensions mm.(in)
Top entry
type Side entry
type AB
Top entry
type
Material and Finish
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B 2B-EH-A
B 3B-EH-A
B 4B-EH-A
B 5B-EH-A
B 6B-EH-A
B 7B-EH-A
B 8B-EH-A
B 9B-EH-A
B10B-EH-A
B11B-EH-A
B12B-EH-A
B13B-EH-A
B14B-EH-A
B15B-EH-A
2.5( .098)
5.0( .197)
7.5( .295)
10.0( .394)
12.5( .492)
15.0( .591)
17.5( .689)
20.0( .787)
22.5( .866)
25.0( .984)
27.5(1.083)
30.0(1.181)
32.5(1.280)
35.0(1.378)
1,000
1,000
1,000
1,000
1,000
1,000
500
500
500
500
500
250
250
250
S 2B-EH
S 3B-EH
S 4B-EH
S 5B-EH
S 6B-EH
S 7B-EH
S 8B-EH
S 9B-EH
S10B-EH
S11B-EH
S12B-EH
S13B-EH
S14B-EH
S15B-EH
7.5( .295)
10.0( .394)
12.5( .492)
15.0( .591)
17.5( .689)
20.0( .787)
22.5( .886)
25.0( .984)
27.5(1.083)
30.0(1.181)
32.5(1.280)
35.0(1.378)
37.5(1.476)
40.0(1.575)
Post: Brass, copper-undercoated, tin/lead plated
Wafer: Nylon 66, UL94V-0, natural (white)
Side entry
type
1,000
1,000
1,000
1,000
500
500
500
500
500
250
250
250
250
250
The shrouded headers are interchangeable with those of the HR crimp style and insulation displacement connectors (see page 146).
Top entry type
Side entry type
(2 circuits)
A
3.2(.126) 6.0(.236)
B 3.8(.150)
0.64
(.025)
3.3(.130)
2.5(.098) 1.6(.063)
A
B
5.2(.205)
6.0(.236)
6.7(.264)
4.2(.165)
4.0(.157)
3.2
(.126)
2.2
(.087)
2.5
(.098)
2.5
(.098) 0.64
(.025)
(3 to 15 circuits)
Note:
1. Also available and identified as model BxxB-EH is a top entry type having a
post extension length of 4.0mm(.157")
2. Top entry type headers are not TU
¨V approved.
PC board layout
(viewed from soldering side)
and Assembly layout –––––––––––––––––––
Note:
1. Tolerances are non-cumulative:±0.05mm(±.002" ) for all centers.
2. Hole dimension differ according to the kind of PC board and piercing method. If PC boards made of hard material such as FR-4 are used, the hole dimensions
should be larger. The dimensions above should serve as a guideline. Contact JST for details.
Top entry type Side entry type
7.5(.295) 0.6(.024)
(.150)
3.8
2.5±0.05
(.098±.002) 2.5min.
(.098)
0.9+0.1
(.035 +.004)dia.
2.2min.
(.087)
0
0
9.7(.382)
8.2(.323)
(.165)
4.2
2.5±0.05
(.098±.002) 1.9min.
(.074)
0.9+0.1
(.035 +.004)dia.
6.7min.
(.264)
0
0
2424
EH CONNECTOR
24
Model No. Q´ty /
box
Cir-
cuits Dimensions mm(in.)
AB
Material and Finish
2
3
4
5
6
7
8
B2B-EH-TS
B3B-EH-TS
B4B-EH-TS
B5B-EH-TS
B6B-EH-TS
B7B-EH-TS
B8B-EH-TS
-
5.0(.197)
7.5(.295)
10.0(.394)
12.5(.492)
15.0(.591)
17.5(.689)
-
10.0(.394)
12.5(.492)
15.0(.591)
17.5(.689)
20.0(.787)
22.5(.886)
1,400
1,400
700
700
700
700
700
Pin: Brass, copper-undercoated, tin/lead-plated
Wafer: Nylon 66, UL94V-0, natural (white)
7.5(.295) 2.2(.087)
5.4(.213)
2.5(.098)
6.5
(.255)1.5(.059)
[1.0(.039)]
4.4
(.173)
0.64(.025) dia.
TS type
(2 circuits)
(3 to 8 circuits)
A
B
2.8(.110)
2.5(.098)
2.5(.098)
0.64(.025) dia.
6.5(.256)
1.5(.059)
[1.0(.039)]
2.2(.087)
5.6(.220)
4.4
(.173)
0.64(.025) dia.
Model No. Q´ty /
box
Cir-
cuits Dimensions mm(in.)
AB
Material and Finish
3
4
5
6
7
8
B3B-EH-TV4
B4B-EH-TV4
B5B-EH-TV4
B6B-EH-TV4
B7B-EH-TV4
B8B-EH-TV4
5.0(.197)
7.5(.295)
10.0(.394)
12.5(.492)
15.0(.591)
17.5(.689)
10.0(.394)
12.5(.492)
15.0(.591)
17.5(.689)
20.0(.787)
22.5(.886)
1,400
700
700
700
700
700
Post: Brass, copper-undercoated, tin/lead-plated
Wafer: Nylon 66, UL94V-0, natural (white)
A
B
2.8(.110)
2.5(.098)
2.5(.098) 0.64(.025)
6.5(.256)
2.2(.087)
5.6(.220)
4.4
(.173)
[0.7(.028) dia.]
[0.7(.028) dia.]
TV4 type
Shrouded header on radial-tape –––––––––––––––––––––––––––––––––––––––––––––
<Taping specifications conform to EIAJ-RC-1008B and JIS C0805.>
•The shrouded headers are interchangeable with those of the HR crimp style and insulation displacement connectors (see page 146).
•Shrouded headers on radial-tape are not TU
¨V approved.
25
Taping specifications––––––––––––––––––––––––––––––––––––––––––––––––––––––
12.7(.500)
20.0(.787)
9.0(.354)
18.0(.709)
2 and 3 circuits:12.7(.500)
4 to 8 circuits:25.4(1.000)
6.0
(.236)
4.0
(.157)dia.
2circuits:5.1(.201)
3 to 8 circuits:3.85(.152) 2circuits:2.5(.098)
3 to 8 circuits:5.0(.197)
Package type
Distance between folds
Box size
Distance between the end of the
tape and the first connector´s
center line (either end)
Flat pack (zigzag folded)
24 indexing holes per fold (304.8mm/12")
(316x45x330mm)12.4"(W)x1.8"(D) x13.0"(H)
19.05mm(.750")
Packaging specifications–––––––––––––––––––––––––––––––––––––––––––––––––––
PC board layout
(viewed from soldering side)
and Assembly layout –––––––––––––––––––
Note:
1. Tolerances are non-cumulative:±0.05mm(±.002" ) for all centers.
2. Hole dimensions differ depending on the kind of PC board and piercing method. The dimensions above should serve as a guideline. Contact JST for details.
Note: Conforms to JIS C0825.
TERMINALS & CONNECTORS
R
D
H
W
Lead tapeTail tape
Distance between the end of the tape and the first connector's center
line (either end)
8.6(.339)
6.5(.256)
(.173)
4.4
2.5±0.05
(.098±.002) 2.5min.
(.098)
0.9+0.1
(.035+.004)dia.
2.2min.
(.087)
0
0
EH CONNECTOR