KK 254 RPC Headers

Molex KK 254 Reflow Process Compatible (RPC) Connector System supports a lead-free solder process and delivers up to 5A and 250V per circuit in a 2.54mm pitch package. KK 254 headers are designed to support RoHS lead-free initiatives. Designed with a nylon housing, the wire-to-board system can withstand temperatures up to +260°C. Molex KK 254 series connectors are ideal for use in industries such as automotive, medical, and consumer.

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Number of Positions
Pitch
Number of Rows
Mounting Style
Termination Style
Mounting Angle
Contact Gender
Contact Plating
Mating Post Length
Termination Post Length
Series
Tradename
Application
Wire Gauge
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert08 Ckt 15Au T&R
Datasheet
587In Stock
Cut Tape
¥398.6
¥347.1
¥332.2
¥310.6
Reel
¥225.9
View
Min.: 1
Mult.: 1
: 1,050
Headers Locking 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK Hdr RA 6 Ckt 2.54mm Pitch 15um Au
Datasheet
1,155In Stock
¥279
¥244.2
¥202.6
¥179.4
View
Min.: 1
Mult.: 1
Headers Locking 6 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 6.73 mm (0.265 in) 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert12 Ckt 15Au T&R
Datasheet
532In Stock
Cut Tape
¥609.6
¥554.8
¥524.9
¥488.3
Reel
View
Min.: 1
Mult.: 1
: 750
Headers Locking 12 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK TERM 22-30G Reel of 10000
Datasheet
110,000In Stock
40,000On Order
Reel
¥34.4
Min.: 10,000
Mult.: 10,000
: 10,000
Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 2759 KK Wire-to-Board, Signal 30 AWG to 22 AWG - 40 C + 80 C Reel
Molex Headers & Wire Housings KK Hdr RA 2 Ckt 2.54mm Pitch 15um Au
Datasheet
30,366In Stock
¥161.1
¥136.7
¥116.3
¥103.6
View
Min.: 1
Mult.: 1
Headers Locking 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 6.73 mm (0.265 in) 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr RA 4 Ckt 2.54mm Pitch Sn
Datasheet
17,477In Stock
¥58.1
¥48.7
¥45.7
¥39.2
View
Min.: 1
Mult.: 1
Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 6.73 mm (0.265 in) 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 2 Ckt 2.54mm Pitch Sn
Datasheet
13,850In Stock
34,200Expected 12/3/2026
¥44.8
¥39
¥37
¥30.9
View
Min.: 1
Mult.: 1
Headers Locking 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 4 Ckt 2.54mm Pitch Sn
Datasheet
18,853In Stock
¥41.5
¥35.9
¥30.6
¥27.2
View
Min.: 1
Mult.: 1
Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 4 Ckt 2.54mm Pitch 15um Au
Datasheet
5,476In Stock
22,800Expected 1/28/2027
¥124.6
¥108.8
¥106.8
¥98.3
View
Min.: 1
Mult.: 1
Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 03 Ckt Tin T&R
Datasheet
2,886In Stock
Cut Tape
¥157.8
¥133.5
¥110.5
¥102.2
Reel
¥92
View
Min.: 1
Mult.: 1
: 1,050
Headers Locking 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK Hdr RA 3 Ckt 2.54mm Pitch Sn
Datasheet
60,957In Stock
¥58.1
¥48.8
¥41.5
¥37
View
Min.: 1
Mult.: 1
Headers Locking 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 6.73 mm (0.265 in) 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr RA 3 Ckt 2.54mm Pitch 15um Au
Datasheet
4,330In Stock
¥210.9
¥179.4
¥152.3
¥136
View
Min.: 1
Mult.: 1
Headers Locking 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 6.73 mm (0.265 in) 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr RA 8 Ckt 2.54mm Pitch 15um Au
Datasheet
1,636In Stock
¥405.3
¥345.5
¥312.3
¥287.4
View
Min.: 1
Mult.: 1
Headers Locking 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 6.73 mm (0.265 in) 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 3 Ckt 2.54mm Pitch Sn
Datasheet
993In Stock
22,800Expected 2/22/2027
¥61.5
¥52.8
¥52.5
¥44.8
View
Min.: 1
Mult.: 1
Headers Locking 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 5 Ckt 2.54mm Pitch Sn
Datasheet
2,107In Stock
11,400Expected 1/28/2027
¥68.1
¥60
¥57.6
¥52.2
View
Min.: 1
Mult.: 1
Headers Locking 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 6 Ckt 2.54mm Pitch Sn
Datasheet
14,358In Stock
¥76.4
¥67.8
¥66.9
¥60.8
View
Min.: 1
Mult.: 1
Headers Locking 6 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 7 Ckt 2.54mm Pitch Sn
Datasheet
620In Stock
¥112.9
¥96.5
¥82.1
¥73.3
View
Min.: 1
Mult.: 1
Headers Locking 7 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 9 Ckt 2.54mm Pitch Sn
Datasheet
1,178In Stock
¥124.6
¥105.6
¥89.9
¥80.2
View
Min.: 1
Mult.: 1
Headers Locking 9 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 10 Ckt 2.54mm Pitch Sn
Datasheet
1,928In Stock
¥164.4
¥139.4
¥118.4
¥105.8
View
Min.: 1
Mult.: 1
Headers Locking 10 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 3 Ckt 2.54mm Pitch 15um Au
Datasheet
8In Stock
22,800Expected 12/31/2026
¥119.6
¥104.3
¥88.7
¥79.2
View
Min.: 1
Mult.: 1
Headers Locking 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 6 Ckt 2.54mm Pitch 15um Au
Datasheet
812In Stock
¥206
¥174.4
¥148.2
¥132.2
View
Min.: 1
Mult.: 1
Headers Locking 6 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr Vrt 7 Ckt 2.54mm Pitch 15um Au
Datasheet
815In Stock
¥225.9
¥192.7
¥163.1
¥145.7
View
Min.: 1
Mult.: 1
Headers Locking 7 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 08 Ckt Tin T&R
Datasheet
6In Stock
Cut Tape
¥232.5
¥197.7
¥189.4
¥177.7
Reel
¥128.2
View
Min.: 1
Mult.: 1
: 1,050
Headers Locking 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert04 Ckt 15Au T&R
Datasheet
304In Stock
Cut Tape
¥229.2
¥196
¥161
¥149
Reel
¥136.9
View
Min.: 1
Mult.: 1
: 1,050
Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert05 Ckt 15Au T&R
Datasheet
155In Stock
Cut Tape
¥420.2
¥367.1
¥350.5
¥272.4
Reel
¥217.6
View
Min.: 1
Mult.: 1
: 1,050
Headers Locking 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape