171857-0003

Ideal for use in industries such as automotive, medical and consumer, KK® 254 Reflow Process Compatible (RPC) Connector System supports a lead-free solder process and delivers up to 5.0A and 250V per circuit in a 2.54mm pitch package The KK® Reflow Process Compatible (RPC) connector system is designed to support RoHS lead-free initiatives. Designed with a nylon housing, the wire-toboard system can withstand temperatures up to +260°C. KK® 254 Reflow Process Compatible (RPC) Connector System 171856 Vertical Header 171857 Right-Angle Header Features and Benefits High-temperature nylon housing Withstands lead-free hightemperature solder processing up to +260°C. Does not require the drying needs of normal nylon Optional box-style dual-cantilever terminal Ideal for high-vibration environments Polarized friction-lock header Prevents mismating Standard KK header footprint, vertical, right-angle headers Allows for drop-in replacement on existing header applications. Mates with standard KK receptacles Matte-tin over nickel plating Inhibits tin whiskering PCB receptacles are available in standard KK® connectors Ensures secure mating between headers and receptacles KK® 254 RPC Vertical and Right-Angle Headers with Friction Lock Applications Medical – Patient monitoring – Portable diagnostics – Dental equipment Automotive – Control modules – Lighting fixtures – Stereos – Display panels Data/Computing and Telecommunications/Networking – Scanners/multi-function machines – Printers – Workstations Consumer –H  ome appliances (Washer/dryer and Dishwashers) – Home security – HVAC Office Scanner Dental Equipment Car Console KK® 254 Reflow Process Compatible (RPC) Connector System Ordering Information Reflow Process Compatible Connectors Order No. Circuits Vertical Right-Angle 171856-0002 171857-0002 2 171856-0003 171857-0003 3 171856-0004 171857-0004 4 171856-0005 171857-0005 5 171856-0006 171857-0006 6 171856-0007 171857-0007 7 171856-0008 171857-0008 8 171856-0009 171857-0009 9 171856-0010 171857-0010 10 171856-0011 171857-0011 11 171856-0012 171857-0012 12 171856-1002 171857-1002 2 171856-1003 171857-1003 3 171856-1004 171857-1004 4 171856-1005 171857-1005 5 171856-1006 171857-1006 6 171856-1007 171857-1007 7 171856-1008 171857-1008 8 171856-1009 171857-1009 9 171856-1010 171857-1010 10 171856-1011 171857-1011 11 171856-1012 171857-1012 12 Pitch Plating Tin (Sn) 2.54mm 15 μm Gold (Au) Standard PCB Headers Series No. Pitch Application Friction Lock Tail Type 4030 Right-Angle 4094 Wire-to-Board, Board-to-Board, Signal 42375 42376 No Straight 43009 Kinked PCB Tail 47053 7478 Yes 2.54mm 42009 42225 42226 6373 6410 Straight Staggered Wire-to-Board, Signal No 42227 42228 Vertical Right-Angle 42377 7395 Orientation Right-Angle Vertical Right-Angle Straight Yes Vertical Vertical Right-Angle Vertical KK® 254 Reflow Process Compatible (RPC) Connector System Ordering Information Standard PCB Receptacles Series No. 44812 4455 Pitch 2.54mm Application Board-to-Board Configurations Top Entry, Through Hole Top Entry, Through Hole, Right-Angle Standard Crimp Terminals Series No. Pitch Application 2759 Brass 4809 6459 Base Material 2.54mm Signal 8088 Phosphor Bronze 41572 Standard Crimp Housings Series No. Pitch Application 2.54mm Wire-to-Board, Signal 6471 2695 7880 Base Material Yes 47054 No Yes Specifications Reference Information Packaging: Bag; Tape and Reel packaging to be released UL File No.: TBD CSA File No.: TBD Mates With: any KK® 2.54mm housing or PCB receptacle Designed In: Millimeters RoHS: Yes Low Halogen: Yes Glow Wire Compliant: Yes Electrical Voltage (max.): 250V Current (max.): 4A Contact Resistance (max.): 10mΩ Dielectric Withstanding Voltage: 500V AC (RMS) Insulation Resistance (min.): 1000MΩ Mechanical Contact Insertion Force: 11.12N Contact Retention to Housing: 17.8N Mating Force: 7.8N per circuit Unmating Force: 2.3N per circuit Durability (min.): 25 cycles Physical Housing: High-temperature Nylon Contact: Brass Plating: Contact Area — Matte Tin (Sn) or Select Gold (Au) Solder Tail Area — Matte Tin (Sn) Underplating — Nickel (Ni) PCB Thickness: 0.062mm Operating Temperature: Brass: -40 to +80°C Phosphor Bronze: -40 to +105°C www.molex.com/link/kk254.html Order No. 987650-9112 Printed in USA/KC/2013.08 ©2013 Molex