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 Hdr RA 2 Ckt 2.54mm Pitch Sn
Datasheet
2,489In Stock
34,200Expected 12/10/2026
¥54.8
¥47
¥45.7
¥39
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) 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 9 Ckt 2.54mm Pitch Sn
Datasheet
250In Stock
8,550Expected 2/4/2027
¥151.2
¥130.4
¥119.3
¥107.6
View
Min.: 1
Mult.: 1
Headers Locking 9 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 4 Ckt 2.54mm Pitch 15um Au
Datasheet
1,116In Stock
¥272.4
¥240.8
¥237.5
¥217.6
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) 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 R/A 03 Ckt Tin T&R
Datasheet
3,870In Stock
Cut Tape
¥104.6
¥88.4
¥75.1
¥64.3
Reel
¥60.6
View
Min.: 1
Mult.: 1
: 3,300
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 Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 06 Ckt Tin T&R
Datasheet
1,220In Stock
Cut Tape
¥189.4
¥167.8
¥144.5
¥136.7
Reel
¥78.9
View
Min.: 1
Mult.: 1
: 2,700
Headers Locking 6 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 Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 04 Ckt 15Au T&R
Datasheet
1,466In Stock
Cut Tape
¥224.2
¥189.4
¥182.7
¥171.1
Reel
¥111.6
View
Min.: 1
Mult.: 1
: 3,300
Headers Locking 4 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 Reel, Cut Tape
Molex Headers & Wire Housings KK Hdr Vrt 11 Ckt 2.54mm Pitch Sn
Datasheet
767In Stock
¥154.5
¥130.1
¥124.9
¥116.9
View
Min.: 1
Mult.: 1
Headers Locking 11 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 12 Ckt 2.54mm Pitch 15um Au
Datasheet
197In Stock
¥436.8
¥382
¥365.4
¥340.5
View
Min.: 1
Mult.: 1
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 Bulk
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 10 Ckt Tin T&R
Datasheet
376In Stock
Cut Tape
¥282.4
¥247.5
¥235.9
¥220.9
Reel
¥159.8
View
Min.: 1
Mult.: 1
: 750
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 Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert10 Ckt 15Au T&R
Datasheet
204In Stock
Cut Tape
¥480
¥436.8
¥413.6
¥383.7
Reel
¥289
View
Min.: 1
Mult.: 1
: 750
Headers Locking 10 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 9 Ckt 2.54mm Pitch 15um Au
Datasheet
141In Stock
¥423.6
¥368.7
¥317.3
¥260.8
¥220.9
Min.: 1
Mult.: 1
Headers Locking 9 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 R/A 09 Ckt Tin T&R
Datasheet
590In Stock
6,300Expected 11/26/2026
Cut Tape
¥196
¥164.9
¥158.3
¥148.3
View
Reel
¥102
Min.: 1
Mult.: 1
: 2,100
Headers Locking 9 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 05 Ckt 15Au T&R
Datasheet
688In Stock
Cut Tape
¥287.4
¥250.8
¥239.2
¥224.2
Reel
¥161
View
Min.: 1
Mult.: 1
: 3,300
Headers Locking 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 11 Ckt 15Au T&R
Datasheet
9In Stock
Cut Tape
¥561.4
¥476.7
¥405.3
¥365.4
Reel
¥315.6
View
Min.: 1
Mult.: 1
: 2,100
Headers Locking 11 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK Hdr Vrt 11 Ckt 2.54mm Pitch 15um Au
Datasheet
425In Stock
¥317.3
¥277.4
¥265.8
¥247.5
View
Min.: 1
Mult.: 1
Headers Locking 11 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 RA 7 Ckt 2.54mm Pitch 15um Au
Datasheet
12In Stock
¥330.5
¥289
View
Min.: 1
Mult.: 1
Headers Locking 7 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 2 Ckt 2.54mm Pitch 15um Au
Datasheet
31,604Expected 12/10/2026
¥74.7
¥59.6
¥55.8
¥51
View
Min.: 1
Mult.: 1
Headers Locking 2 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 254 Hdr FrLk R/A 02 Ckt 15Au T&R
Datasheet
11,314On Order
Cut Tape
¥121.3
¥102.5
¥87.2
¥74.6
Reel
¥68.6
View
Min.: 1
Mult.: 1
: 3,300
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 Reel, Cut Tape
Molex 09-48-1123
Molex Headers & Wire Housings KK 156 PCB RtAn 12Ckt Tin
Datasheet
924Expected 4/8/2027
¥566.4
¥514.9
¥488.3
¥453.5
View
Min.: 1
Mult.: 1
Headers Socket Assembly 12 Position 3.96 mm (0.156 in) 1 Row Board Lock Solder Pin Right Angle Socket (Female) Tin 3.68 mm (0.145 in) 171856 KK
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 12 Ckt Tin T&R
Datasheet
1In Stock
Cut Tape
¥272.4
¥239.2
¥227.6
¥212.6
Reel
¥154.8
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) 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 Vrt 12 Ckt 2.54mm Pitch Sn
Datasheet
Non-Stocked Lead-Time 27 Weeks
¥88.4
Min.: 8,550
Mult.: 2,850
Headers Locking 12 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 RPC 100 Hdr FrLk Vert 04 Ckt Tin
Datasheet
Non-Stocked
¥21.9
Min.: 22,800
Mult.: 11,400
Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.49 mm (0.295 in) 3.56 mm (0.14 in) 171856 KK Wire-to-Board, Wire-to-Wire, Power, Signal - 40 C + 105 C
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 09 Ckt Tin
Datasheet
Non-Stocked
¥70.8
¥67.8
Min.: 8,550
Mult.: 2,850
Headers Locking 9 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.49 mm (0.295 in) 3.56 mm (0.14 in) 171856 KK Wire-to-Board, Wire-to-Wire, Power, Signal
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 05 Ckt 30Au
Datasheet
Non-Stocked Lead-Time 15 Weeks
¥120.3
Min.: 5,700
Mult.: 5,700
5 Position 2.54 mm (0.1 in) 1 Row Solder Pin Straight Gold 171856 KK
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 06 Ckt Tin T&R
Datasheet
N/A
Cut Tape
¥189.4
¥172.7
¥167.8
¥161.8
Reel
¥125.1
View
Min.: 1
Mult.: 1
: 1,050
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 Reel, Cut Tape