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Molex KK® Interconnection System

Now Available - Reflow Process Compatible (RPC) headers are now available in both signal and power applications and can handle solder temperatures up to 260ºC. Signal application KK 254 connectors delivers up to 5.0A and 250V per circuit in a 2.54mm centerline pitch. Power application KK 396 connectors deliver 13.0A and 600V per circuit in a 3.96mm centerline pitch.

Molex KK® Interconnection System
offers many polarization features to ensure correct mating in an application. The KK® Interconnection System has offset header entry holes, which provide 180º polarization, allowing both power and signal to carry through the same housing, and can also be loaded with optional polarization keys and pegs, to help ensure that the headers and housings only mate one way. Customizable KK headers allow for more polarization options and design configurations, such as headers with voided pins, customized pin lengths, kinked PC tails, and varying tin or gold plating options, providing application design flexibility. The Molex KK® Interconnection System of "building block" connectors can create thousands of different configurations, allowing each user to build a system precisely suited for any application on centers from 2.50 to 5.08mm with a maximum current of 13.0A per circuit while handling up to 600V.
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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
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Molex 08-50-0114
 Enlarge
Molex Headers & Wire Housings CRIMP TERM 22-30 TIN
Page 1,784

Data Sheet

Product Info.
401,010
In Stock
1: $0.13
100: $0.10
500: $0.083
1,000: $0.081
2,000: View



Min.: 1
Mult.: 1
Molex 08-50-0106
 Enlarge
Molex Headers & Wire Housings TERMINAL 24-18 BULK
Page 1,786

Data Sheet
208,270
In Stock
1: $0.10
100: $0.08
500: $0.062
1,000: $0.056
2,000: $0.053



Min.: 1
Mult.: 1
Molex 22-05-7028
 Enlarge
Molex Headers & Wire Housings HEADER R.A. 2P
Data Sheet 25,013
In Stock
1: $0.75
100: $0.624
500: $0.529
1,000: $0.471
2,000: View



Min.: 1
Mult.: 1
Molex 08-52-0131
 Enlarge
538-08-52-0131


To purchase full reel, order in multiples of 7000:
Molex Headers & Wire Housings CRIMP TERM 18-22AWG
Data Sheet 68,970
In Stock
Cut Tape
1: $0.10
10: $0.052
100: $0.049
500: $0.045
1,000: View
7,000: $0.031



Min.: 1
Mult.: 1
Reel: 7,000
Molex 40-08-0605
 Enlarge
538-40-08-0605


To purchase full reel, order in multiples of 20000:
Molex Headers & Wire Housings KK MALE TERM 22-26 AWG
Data Sheet 89,450
In Stock
Cut Tape
1: $0.10
10: $0.04
100: $0.035
500: $0.031
1,000: $0.028
Reel
20,000: $0.028



Min.: 1
Mult.: 1
Reel: 20,000
Molex 22-28-5023
 Enlarge
Molex Headers & Wire Housings KK 100 Hdr Assy Bkwy Bkwy 02 Ckt 15 SGold
Data Sheet 34,402
In Stock
1: $0.10
10: $0.076
100: $0.07
250: $0.065
500: View



Min.: 1
Mult.: 1
Molex 26-03-3021
 Enlarge
Molex Headers & Wire Housings KK 156 Crimp Housing Crimp Housing 02 Ckt
Data Sheet 37,938
In Stock
1: $0.12
10: $0.118
100: $0.115
500: $0.112
1,000: View



Min.: 1
Mult.: 1
Molex 09-50-3021
 Enlarge
Molex Headers & Wire Housings HSG 2P W/LKG RAMP UL94V-2
Page 1,786

Data Sheet
46,955
In Stock
1: $0.13
10: $0.098
100: $0.081
500: $0.067
1,000: View



Min.: 1
Mult.: 1
Molex 08-52-0072
 Enlarge
Molex Headers & Wire Housings TERMINAL 18-24 BULK
Page 1,786

Data Sheet
53,916
In Stock
1: $0.13
100: $0.10
500: $0.082
1,000: $0.067
2,000: $0.058



Min.: 1
Mult.: 1
Molex 09-50-8030
 Enlarge
Molex Headers & Wire Housings 3C HOUSING
Data Sheet 34,629
In Stock
1: $0.14
10: $0.11
100: $0.095
500: $0.084
1,000: View



Min.: 1
Mult.: 1
Molex 08-52-0123
 Enlarge
Molex Headers & Wire Housings CRIMP TERM 22-30 TIN phos. bronze
Page 1,784

Data Sheet

Product Info.
29,921
In Stock
1: $0.15
100: $0.092
500: $0.088
1,000: $0.072
2,000: View



Min.: 1
Mult.: 1
Molex 09-50-8040
 Enlarge
Molex Headers & Wire Housings CONNECTOR
Data Sheet

Product Info.
21,914
In Stock
1: $0.16
100: $0.149
500: $0.145
1,000: $0.143
2,000: View



Min.: 1
Mult.: 1
Molex 08-50-0032
 Enlarge
Molex Headers & Wire Housings SOCKET 22-30AWG BULK
Data Sheet

Product Info.
124,485
In Stock
1: $0.17
10: $0.10
100: $0.083
500: $0.079
1,000: View



Min.: 1
Mult.: 1
Molex 08-50-0108
 Enlarge
Molex Headers & Wire Housings TERMINAL 22-26 BULK
Page 1,786

Data Sheet
84,396
In Stock
1: $0.18
100: $0.091
500: $0.087
1,000: $0.074
2,000: View



Min.: 1
Mult.: 1
Molex 08-52-0113
 Enlarge
Molex Headers & Wire Housings TERMINAL 18-20 BULK
Page 1,786

Data Sheet

Product Info.
28,955
In Stock
1: $0.19
100: $0.114
500: $0.105
1,000: $0.091
2,000: View



Min.: 1
Mult.: 1
Molex 22-28-4021
 Enlarge
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 2 CKT Tin
Data Sheet 35,216
In Stock
1: $0.19
10: $0.113
100: $0.094
500: $0.086
1,000: View



Min.: 1
Mult.: 1
Molex 22-01-3047
 Enlarge
Molex Headers & Wire Housings HSG 4P W/RAMP/RIBS
Page 1,784

Data Sheet
28,794
In Stock
1: $0.20
10: $0.139
100: $0.114
500: $0.10
1,000: View



Min.: 1
Mult.: 1
Molex 22-23-2021
 Enlarge
Molex Headers & Wire Housings VERT PCB HDR 2P TIN FRICTION LOCK
Page 1,785

Data Sheet
45,654
In Stock
1: $0.20
10: $0.138
100: $0.113
500: $0.10
1,000: View



Min.: 1
Mult.: 1
Molex 22-23-2031
 Enlarge
Molex Headers & Wire Housings VERT PCB HDR 3P TIN FRICTION LOCK
Page 1,785

Data Sheet
47,345
In Stock
1: $0.20
10: $0.161
100: $0.128
500: $0.113
1,000: View



Min.: 1
Mult.: 1
Molex 09-50-3031
 Enlarge
Molex Headers & Wire Housings HSG 3P W/LKG RAMP UL94V-2
Page 1,786

Data Sheet
37,568
In Stock
1: $0.21
10: $0.148
100: $0.113
500: $0.10
1,000: View



Min.: 1
Mult.: 1
Molex 26-03-3051
 Enlarge
Molex Headers & Wire Housings KK 156 Crimp Housing Crimp Housing 05 Ckt
Data Sheet 17,990
In Stock
1: $0.21
10: $0.18
100: $0.166
500: $0.148
1,000: View



Min.: 1
Mult.: 1
Molex 22-03-2021
 Enlarge
Molex Headers & Wire Housings VERT PCB HDR 2P TIN PLATING
Page 1,785

Data Sheet
30,887
In Stock
1: $0.21
10: $0.182
100: $0.129
500: $0.114
1,000: View



Min.: 1
Mult.: 1
Molex 22-27-2021
 Enlarge
Molex Headers & Wire Housings 2 POS HEADER
Data Sheet 41,437
In Stock
1: $0.23
100: $0.146
500: $0.13
1,000: $0.114
2,000: View



Min.: 1
Mult.: 1
Molex 09-50-8050
 Enlarge
Molex Headers & Wire Housings 5CKT CRMP TRM HOUSE
Data Sheet

Product Info.
30,717
In Stock
1: $0.23
10: $0.21
100: $0.198
500: $0.175
1,000: View



Min.: 1
Mult.: 1
Molex 09-50-3041
 Enlarge
Molex Headers & Wire Housings HSG 4P W/LKG RAMP UL94V-2
Page 1,786

Data Sheet
19,815
In Stock
1: $0.24
10: $0.164
100: $0.135
500: $0.126
1,000: View



Min.: 1
Mult.: 1
Compare up to 20 parts.
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