IDC
KRD
CONNECTOR
Emboss Tape
2.0mm
(.079") pitch
Disconnectable Insulation displacement connectors
Features ––––––––––––––––––––––––
• Daisy chain connection
The connection shown in the figure is commonly called "daisy
chain connections" or "through connections". With these
simple connections, many signals can be bussed to many
different printed circuit boards. The KRD connector is
constructed to allow such daisy chain connections.
• Twin slot insulation displacement section
The insulation displacement section connected to the wire
consists of twin tin-plated slots for superb reliability.
• Distortion resistant construction
The header is shrouded and thus protects the receptacle from
damage that could be caused by mating the connectors at an
angle or otherwise mismating the connectors.
• Interchangeability
This 2.0mm (.079") pitch insulation
displacement connector is another version
of the NRD connector for printed circuit
boards. The KRD connector allows daisy
chaining and is very useful in simplifying
connection systems in electronic
equipment.
The shrouded header is interchangeable with of the PH crimp
style connectors and or KR and CR insulation displacement
connectors.
• Low profile design - a mere 9.0mm (.354")
high from the PC board surface
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, UL1061 (Contact JST for details
regarding other UL wires.)
AWG #28, #26
Conductor/7 strands, tin-coated
Insulation O.D./0.9 to 1.0mm(.035" to .039")
• Applicable PC board thickness: 0.8 to 1.6mm(.031" to .063")
* Contact JST if Lead-Free product is required.
* Refer to "General Instruction and Notice when using
Terminals and Connectors" at the end of this catalog.
* Contact JST for details.
Standards ––––––––––––––––––––––
0
Recognized E60389
330
1
Certified LR20812
KRD
Model No.
Cir-
cuits
2
3
4
5
6
CONNECTOR
Receptacle –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
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-D8M
03KR-D8M
04KR-D8M
05KR-D8M
06KR-D8M
07KR-D8M
08KR-D8M
09KR-D8M
10KR-D8M
11KR-D8M
12KR-D8M
13KR-D8M
14KR-D8M
15KR-D8M
16KR-D8M
AWG #26
(natural/white)
02KR-D6S
03KR-D6S
04KR-D6S
05KR-D6S
06KR-D6S
07KR-D6S
08KR-D6S
09KR-D6S
10KR-D6S
11KR-D6S
12KR-D6S
13KR-D6S
14KR-D6S
15KR-D6S
16KR-D6S
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
7.25(.285)
7
8
9
10
11
1,000
JST
2.0
2.0 (.079)
(.079)
A
B
3.5
(.138)
4.9(.193)
12
13
14
15
16
500
Material and Finish
Contact: Phosphor bronze, copper-undercoated, tin/lead-plated
Housing: Nylon 66, UL94V-0
Through-hole type shrouded header –––––––––––––––––––––––––––––––––––––––––
The shrouded headers are interchangeable with 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)
9.0(.354)
4.9(.193)
Side entry type
2.0±0.05
(.079±.002)
4.8(.189)
10.6(.417)
7.6(.299)
0.7
+0.1
0
(.028
+.004
)dia.
0
0.7
+0.1
0
(.028
+.004
)dia.
0
3.4
(.134)
6.25(.246)
Note:
1. Tolerances are non-cumulative:
±
0.05mm(
±
.002") for all centers.
2. Hole dimensions differ according to the kind of PC boards and piercing method. If PC boards made of hard material are used, the hole dimensions should be
larger. The 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 with KR and CR insulation displacement connectors.
SMT type PC board layout
(viewed from component side)
and Assembly layout –––––––––
<SM type>
Top entry type
5.4(.213)
min.
1.35(.053)
9.6(.378)
6.6(.260)
5.0(.197)
10.6(.417)
[1.8(.071)]
Side entry type
6.9(.272)
min.
1.35(.053)
5.0(.197)
7.6(.299)
1.3(.051)
max.
2.0
±
0.05(.079±.002)
1.0(.039)
min.
[3.1(.122)]
2.0
±
0.05(.079±.002)
1.0(.039)
min.
3.4
±0.1
(.134±.004)
0.2(.008)
3.0
±0.1
(.118±.004)
1.0(.039)
<SM3 type>
Top entry type
1.6
±0.1(.063±.004)
1.6
±0.1(.063±.004)
2.0±0.05(.079±.002)
End face of wafer on the mating side
1.5±0.1(.059±.004) 1.6±0.1(.063±.004) 2.0±0.05(.079±.002)
5.0(.197)
9.6(.378)
6.6(.260)
Side entry type
End face of wafer on the mating side
5.5(.217)
max.
9.0(.354)
min.
10.6(.417) [1.0(.039)]
7.6(.299)
5.5(.217)
2.0(.079)
max.
7.5(.295)
min.
1.0(.039)
min.
[2.0(.079)]
1.0(.039)
min.
Note:
1. Tolerances are non-cumulative:
±
0.05mm (
±
.002”) for all centers.
2. The dimensions above should serve as a guideline. Contact JST for details.
2.5(.098)
max.
4.9
(.193)
331
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