IDC
KR
CONNECTOR
Emboss Tape
2.0mm
(.079") pitch
Disconnectable Insulation displacement connectors
Features ––––––––––––––––––––––––
• Folded beam double-leaf contact construction
The contact springs are folded to increase their effective
strength. This design provides a safety margin that allows the
contacts to endure the distortion of misinsertion without being
permanently distorted.
• Twin U-slot insulation displacement section
The insulation displacement section connected to the wire
consists of two tin-plated slots (twin U-slot) for superb
reliability.
• Strain relief
The strain relief feature prevents stress due to vibration,
impact or bending from effecting the insulation displacement
connection. This is accomplished by holding the outside of the
wire with the insulation gripping device on the housing. To
ensure circuit integrity against vibration and undue tension,
ample clearance is provided between the insulation
displacement connection and the strain relief.
• Compatible with the PH crimp style connector
The KR connector features a mounting
height as low as 6.9mm (.272") and a
thickness as thin as 4.8mm (.189") (for top
entry type). It is suitable for
interconnection of a wide range of
electronic equipment such as VCRs, video
cameras, car stereo systems and
communication equipment.
The same shrouded header can be used for either PH crimp
style connector or KR insulation displacement connector. This
allows both types of connector to be used interchangeably
without replacing the header.
• Surface mount model (SMT)
This connector is also available in a surface mount
configuration. Its housing is made of heat resistant resin so
that it is not adversely affected during reflow soldering.
Because of its tiny size and ability to be surface mounted, this
connector meets the demand for high-density mounting of
components inside electronic products.
Specifications –––––––––––––––––––
• Current rating: 1.0A AC, DC (AWG #26)
• Voltage rating: 100V AC, DC
• Temperature range: -25˚C to +85˚C
(including temperature rise in applying
electrical current)
• Contact resistance: Initial value/10m Ω max.
After environmental testing/20m Ω max.
• Insulation resistance:
1,000M Ω min.
• Withstanding voltage: 800V AC/minute
• Applicable wire: UL1571, 1061 (Contact JST regarding other UL
styles.)
AWG #28 to #26
Conductor/7 strands, tin-coated
Insulation O.D./0.9 to 1.0mm(.035" to .039")
(The standard applicable wire for connectors
having 13 circuits or more is UL 1061.)
• Applicable panel thickness: 0.8 to 1.6mm(.031" to .063")
* Contact JST for details.
Standards ––––––––––––––––––––––
0
1
2
Recognized E60389
Certified LR20812
R75088
241
KR
CONNECTOR
Receptacle ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Model No.
Circuits
2
3
4
Dimensions mm(in.)
A
2.0( .079)
4.0( .157)
6.0( .236)
8.0( .315)
10.0( .394)
12.0( .472)
14.0( .551)
16.0( .630)
18.0( .709)
20.0( .787)
22.0( .866)
24.0( .945)
26.0(1.024)
28.0(1.102)
30.0(1.181)
AWG #28
(green)
02KR-8M
03KR-8M
04KR-8M
05KR-8M
06KR-8M
07KR-8M
08KR-8M
09KR-8M
10KR-8M
11KR-8M
12KR-8M
13KR-8M
14KR-8M
15KR-8M
16KR-8M
AWG #26
(natural/white)
02KR-6S
03KR-6S
04KR-6S
05KR-6S
06KR-6S
07KR-6S
08KR-6S
09KR-6S
10KR-6S
11KR-6S
12KR-6S
13KR-6S
14KR-6S
15KR-6S
16KR-6S
B
6.0( .236)
8.0( .315)
10.0( .394)
12.0( .472)
14.0( .551)
16.0( .630)
18.0( .709)
20.0( .787)
22.0( .866)
24.0( .945)
26.0(1.024)
28.0(1.102)
30.0(1.181)
32.0(1.260)
34.0(1.339)
Q'ty / box
2,000
2,000
2,000
2,000
2,000
2,000
1,000
1,000
1,000
1,000
1,000
1,000
500
500
500
2.0(.079)
2.0(.079)
B
A
5
6
4.25(.167)
7
8
9
4.2(.165)
10
3.5(.138)
11
12
13
14
15
16
JST
5.15(.203)
Material and Finish
Contact: Phosphor bronze, copper-undercoated, tin/lead-plated
Housing: 2 to 12 circuits/Nylon 66, UL94V-0
13 to 16 circuits/Glass-filled nylon 66, UL94V-0
Through-hole type shrouded header –––––––––––––––––––––––––––––––––––––––––
The shrouded headers are interchangeable with those of the PH crimp style connectors and with KR and CR insulation displacement
connectors.
Through-hole type PC board layout
(viewed from soldering side)
and Assembly layout –––
Top entry type
2.0±0.05
(.079±.002)
1.95
(.077)
min.
2.8
(.110)
min.
4.8
(.189)
Side entry type
2.0±0.05
(.079±.002)
1.95
(.077)
min.
6.25
(.246)
min.
4.8(.189)
8.5(.335)
7.6(.299)
6.0(.236)
6.9(.272)
0.1
0.7
+ 0
(.028
+.004
)dia.
0
0.7
+0.1
0
+.004
(.028
+.0
)dia.
6.25
(.246)
Note: 1. Tolerancesare non-cumulative: ±0.05mm(±.002") for all centers.
2. Hole dimensions differ according to the kind of PC board and piercing method. If PC board are made of hard material such as FR-4 are used, the hole
dimensions should be larger. The hole dimensions above should serve as a guideline.
Contact JST for details.
SMT type shrouded header –––––––––––––––––––––––––––––––––––––––––––––––––
The shrouded headers are interchangeable with those of the PH crimp style connectors and CRand KRD insulation displacement
connectors.
SMT type PC board layout
(viewed from component side)
and Assembly layout –––––––––
4.0(.157)
min
2.4 3.0(.118)
min
(.094)
3.5(.138)
min
1.4 3.2(.126)
min
(.055)
<SM type>
Top entry
type
[2.0(.079)x(Circuits-1)+2.7(.106)]
±0.1(±.004)
1.0(.039) 1.0(.039) 0.85(.033) 1.2
+0.1
(.047
+.004
)
0
0
5.0(.197)
Side entry
type
[2.0(.079)x (Circuits-1) +2.7(.106)]
±
0.1(
±.004)
1.0(.039) 1.0(.039) 0.85(.033) 1.2
+0.1
(.047
+.004
)
0
0
8.5(.335) 1.8(.071)
7.6(.299)
5.0(.197)
3.4
±0.1
(.134
±.004
)
0.2(.008)
3.0
±0.1
(.118
±.004
)
1.0(.039)
2.0(.079)
max.
7.5(.295)
min.
5.5(.217)
max.
9.0(.354)
min.
<SM3 type>
Top entry
type
7.5(.295)
6.6(.260)
1.6
±0.1
(.063
±.004
) 1.6
±0.1
(.063
±.004
) 2.0
±0.05
(.079
±.002
)
End face of water on the mating side
5.0(.197)
Side entry
type
1.5
±0.1
(.059
±.004
) 1.6
±0.1
(.063
±.004
) 2.0
±0.05
(.079
±.002
)
End face of water on the mating side
9.6(.378) 1.0(.039)
7.6(.299)
5.5(.217)
1.0(.039)
min.
7.5(.295)
6.6(.260)
1.0(.039)
min.
242
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