Change Notices

• Contact 417(PDF)

Changes to AT4001, AT4002, AT4011 and AT4145 Dust Covers

• Contact 416(PDF)

Change to Method of Identification on GW Series Rockers & Paddles

• Contact 415(PDF)

Changes to FPC Tails for FT Series 5-Wire Analog Resistive Touch Screens

• Contact 414(PDF)

Discontinuation of Specific NKK Products

• Contact 413(PDF)

Changes to Color of Epoxy Seal for Terminals on M2B Pushbuttons

• Contact 412(PDF)

24.4.2024

(Revised 27.6.2024)

Changes for AT412 Caps for MBN & WB Series Pushbuttons

• Contact 411(PDF)

Changes to Material of Caps & Case/Base for JWMW & JWLW Rockers

• Contact 410(PDF)

Changes to Material of Caps & Case/Base for JWM & JWL Rockers

• Contact 409(PDF)

Changes for Case Material of WT Toggles,WR Rockers & WB Pushbuttons

• Contact 407(PDF)

Discontinuation of Specific NKK Products with CSA Approval

• Contact 406(PDF)

Changes for AT4103 & AT4104 Knobs for FR01, MR & MRB Series Rotaries

• Contact 405(PDF)

Changes to Location of Production for AT433 Rotary Switches Knob

• Contact 404(PDF)

Discontinuation of ND Series Rotaries & ND3 Series SMT Rotaries

• Contact 403(PDF)

Changes for Bright Red LEDs in LP01 Series Pushbuttons

• Contact 401(PDF)

Changes to Methods of Identification on LW3021A Rocker

• Contact 400(PDF)

Discontinuation of Specific NKK Products
The end of order date is June 30, 2023.
The end of sales date is April 30, 2024.

*For detailed information on Direct Replacement or Recommended Alternate part numbers, search by original
part number at the following link: NKKSwitches America Website

• Contact 399(PDF)

Discontinuation of JF Series Illuminated Tactiles with Square Actuator and Full Face Illumination
Discontinuation of KP Series Illuminated Pushbuttons with Super Bright Amber/Blue Bicolor LEDs

• Contact 398(PDF)

Changes for Super Bright Green LEDs in UB2 Series Pushbuttons & Indicators

• Contact 397(PDF)

Changes for Bright Red LEDs in UB & UB2 Series Pushbuttons & Indicators

• Contact 396(PDF)

Discontinuation of MLW Snap-in Miniature Rockers & Paddles & Related Accessories

• Contact 395(PDF)

Changes to Color of Epoxy Seal for Terminals

• Contact 394(PDF)

Changes to Standoffs on SM Series Slides

• Contact 393(PDF)

Discontinuation of JS04 Series SMT DIP Slides

• Contact 392(PDF)

Changes for Super Bright Blue LEDs in UB2 Series Pushbuttons & Indicators

• Contact 391(PDF)

Discontinuation of Low Security SK Keylocks with CSA Approval

• Contact 390(PDF)

Discontinuation of Illuminated Switches with Bicolor Amber/Blue LEDs

• Contact 389(PDF)

Change to Color of Epoxy Seal for Terminals

• Contact 388(PDF)

Changes to Location & Production for GB Pushbuttons & GW Rockers & Paddles

• Contact 385(PDF)

Changes for Super Bright White LEDs in UB Series Pushbuttons & Indicators

• Contact GL-002(PDF)

Discontinuation of Inactive M Series Toggle Configurations

• Contact 381(PDF)

Changes to Location & Production for LW & MLW Series Rockers

• Contact 380(PDF)

Changes to Location & Production for TL Illuminated Toggles & DS Tilt Switches

• Contact 379(PDF)

Changes to LEDs for MS & SS Illuminated Slides

• Contact 378(PDF)

Changes for YB Spot Illuminated Pushbutton with 24-Volt Amber LED & Resistor

• Contact 377(PDF)

Discontinuation of Unbrushed Chrome Caps

• Contact 376(PDF)

Changes to LED Specifications for Spot Illuminated Red/Green YB Series Pushbuttons

• Contact 375(PDF)

Discontinuation of Multi-Touch Controller Board & IC Chip for TP02 Series Touch Screens

• Contact 374(PDF)

Component Design Change for MRA Rotaries

• Contact 373(PDF)

Changes to Location of Production for AT407 Caps for MB2000 Series

• Contact 372(PDF)

Changes to LED Specifications for JF Series Full Face Illuminated Tactiles

• Contact 371(PDF)

Changes to LED Specifications for M2100 Series Paddles

Changes to LED Specifications for LB Series Spot Illuminated Pushbuttons

• Contact 370(PDF)

Changes to Location & Production for SK Antistatic Process Sealed Keylocks & NR01 Rotaries

Changes to Production for SK Antistatic Process Sealed Keylocks

• Contact 369(PDF)

26.04.2021

(Revised 30.11.2021)

Changes to Location & Production for GB Pushbuttons & GW Rockers & Paddles

• Contact 368(PDF)

Discontinuation of AT618 LED & AT213 Bezel & Alternates AT617 LED & AT212 Bezel

• Contact 367(PDF)

Discontinuation of AT635 Bright LED & Caps & Replacement with AT637 Bright LED & Caps

• Contact 365(PDF)

Changes to FPC Tails for FT Series 4-Wire & 5-Wire Analog Touch Screens

• Contact 364(PDF)

Changes to LED Specifications for JF Series Spot Illuminated Tactiles

• Contact 363(PDF)

Discontinuation of TP01 Series & Replacement with TP02 Series

• Contact 358(PDF)

Changes for AT633 LED

• Contact 357(PDF)

Announcement New EU-RoHS Directive

Part number list which contains cadmium in the electrical contacts

*List covers standard part numbers.
Please contact NKK to check status of non-standard part numbers.

• Contact 356(PDF)

Changes for AT617 LED & AT212 Bezel

• Contact 355(PDF)

Notice of Product Discontinuation

• Contact 354(PDF)

24.7.2019

(Revised 14.10.2022)

Changes to Location of Production for UB2 Series Caps

• Contact 353(PDF)

Change of Gasket Material for WR Rockers

• Contact 352(PDF)

NKK Switches’ Compliance with EU-RoHS Environmental Standards & Substances

• Contact 351(PDF)

Changes for M Series Waterproof Toggles to Enhance IP Rating

• Contact 350(PDF)

16.4.2019

(Revised 31.7.2023)

Changes for IC Chip in SmartSwitch® 64 x 32 Switches & Displays

• Contact 349(PDF)

Changes in Material for WT Series O-Ring

• Contact 348(PDF)

Changes in Production for M2 Toggle, Rocker & Pushbutton Switches

• Contact 346(PDF)

Changes to Location of Production for KP Series Caps

• Contact GL-001(PDF)

Changes to Electrical Specification for S Series Toggles

• Contact 344(PDF)

Changes to Specifications for FP01 Pushbuttons with
Green LEDs

• Contact 343(PDF)

Changes to LED Specifications for G Series Indicators

• Contact 340(PDF)

Changes for OLED Module & Driver IC in SmartSwitch Rocker

• Contact 339(PDF)

Changes to Identification for S821 & SW3821

• Contact 338(PDF)

31.8.2018

(Revised 26.04.2019)

Changes to LED Specifications for A Series Indicators

• Contact 336(PDF)

29.6.2018

(Revised 12.11.2018)

Changes for UB Series with White & Blue Super
Bright LEDs

• Contact 335(PDF)

Discontinuation of Red/Green LED & Replacement
with Red/Green/Blue LED

• Contact 334(PDF)

Changes in Production for S Toggles, SW Rockers
& SB Pushbuttons

• Contact 333(PDF)

26.4.2018

(Revised 26.04.2019)

Changes to Location & Production for SK Antistatic
Process Sealed Keylocks & NR01 Rotaries

• Contact 332(PDF)

26.4.2018

(Revised 31.1.2019)

Changes to Production & Location for IS
Series SmartSwitches

• Contact 331(PDF)

Changes to Production & Location for A Series
Indicators & AS Slides

• Contact 330(PDF)

Changes to Production & Location for SK
Low & Medium Security Keylock Switches

• Contact 329(PDF)

Discontinuation & Replacement of Controller Boards for FT Series Touch Screens

• Contact 328(PDF)

Changes to LEDs for YB Spot Illuminated Pushbuttons

• Contact 327(PDF)

Changes to Lamp Holder Material & Identification for AT600 Lamps & LEDs

• Contact 326(PDF)

Discontinuation of SW3006A Rocker with VDE Approval

• Contact 325(PDF)

IC Chip for Analog Touch Screen Controller Board

• Contact 324(PDF)

Changes to Production of Spot Illuminated Caps for YB Pushbuttons

• Contact 323(PDF)

Changes to Production & Location for
MRA, MRF & MRK Rotaries

NKK Logo Updated for MRF Rotaries

• Contact 322(PDF)

Changes to Identification for LW3021A

• Contact 321(PDF)

IS

Discontinuation of Development Kit for IS Series

• Contact 319(PDF)

29.09.2017

(Revised 11.05.2018)

Changes to Location & Production for Medium/High
Capacity S30s & S40s Toggles, Identification Plate Change for S30s & S40s Toggles, UL Factory Code Added for S30s & S40s Toggles

• Contact 318(PDF)

Changes to Location & Production for FB & SB4011
Pushbuttons, Change to Logo for SB4011 Pushbuttons

• Contact 317(PDF)

Changes to Logo, Location & Production for IS
36 x 24 LCD Pushbuttons & Displays

• Contact 316(PDF)

Changes to Logo, Location & Production for JPM & JPL Pushbuttons, UL Factory Code Added for JP Pushbuttons

• Contact 315(PDF)

Change to Logo & Cap Material for JWS Rockers, Change to JWS Cap Material Results in UL Approval Difference

• Contact 314(PDF)

Production Changes for YB Illuminated Pushbutton Caps

• Contact 312(PDF)

Changes to DSA01 Internal Rubber Rings

• Contact 311(PDF)

Changes to LED Specification for TL Toggles with Bright Red (C) or Bright Amber (D)

• Contact 308(PDF)

Changes to Production for D2 Toggles, DB Pushbuttons & SM Slide Switches

• Contact 307(PDF)

Changes to Production for JF Illuminated, Non-illuminated & Indicators & JL Illuminated Tactile Switches

• Contact 306(PDF)

Changes to Production for HB Illuminated Pushbuttons & Indicators, HB2 Illuminated Pushbuttons

• Contact 305(PDF)

Changes to Production for KB Illuminated Pushbutton Switches & Indicators

• Contact 304(PDF)

Changes to Production for Process Sealed PCB Mount SK Keylocks

• Contact 303(PDF)

Changes to Production for IS 64 x 32 LCDs

• Contact 302(PDF)

Changes to LED Specification for KP Illuminated Pushbuttons

• Contact 300(PDF/178KB)

IC Chip for Analog Touch Screen Controller Board

• Contact 299(PDF/500KB)

Discontinuation of A Series Indicator, Model 02

• Contact 298(PDF/169KB)

Changes to Connectors on Touch Screen Controller Board

• Contact 296(PDF/287KB)

Changes for P Toggles with Large Bat Lever

• Contact 294(PDF/567KB)

Changes to Location & Production for MRB &MRT Rotaries

• Contact 293(PDF/409KB)

Changes to Location & Production for MRX &MRY Rotaries

• Contact 292(PDF/501KB)

Changes to Logo, Location & Production for LP01,YB & YB2 Pushbuttons

• Contact 291(PDF/310KB)

Changes to Location & Production for GB2Pushbuttons & SS3 Slides

• Contact 290(PDF/492KB)

Changes to Location & Production for SB Pushbuttons

• Contact 289(PDF/219KB)

31.08.2016

Changes to LEDs for YB Spot IlluminatedPushbuttons

• Contact 288(PDF/454KB)

Change to Green, Red and Yellow LED Specifications for M2100 Toggles & Rockers

• Contact 287(PDF/202KB)

Change to LED Specifications for HB2 Illuminated Pushbuttons

• Contact 286(PDF/200KB)

Change to AT617F LED Specifications for EB, MB2400,MB2500 Pushbuttons & M Rockers & Paddles

• Contact 285(PDF/547KB)

Changes to Location & Production for S Toggles& SCB Pushbuttons

• Contact 284(PDF/692KB)

Changes to Location & Production for S Toggles

• Contact 283(PDF/609KB)

Changes to Location & Production for S Toggles& SW Rockers

• Contact 282(PDF/125KB)

Change to JPM & JPL Pushbuttons’ Stationary Contacts

• Contact 281(PDF/299KB)

Changes to Location of Production for Select AT600Lamps & LEDs

• Contact 280(PDF/566KB)

Changes to Location & Production for P Toggles& Rockers

• Contact 279(PDF/366KB)

Changes to Location & Production for G Toggleswith Right Angle & Vertical Terminals

• Contact 278(PDF/318KB)

Changes to Location & Production for G Toggles &G Rockers with Straight PC Terminals

• Contact 277(PDF/329KB)

Changes to LB PCB Adaptors AT711 & AT712

• Contact 276(PDF/307KB)

Changes to Location & Production for BB Pushbuttons,KP01 & KP02 Illuminated Pushbuttons

• Contact 275(PDF/315KB)

Changes to Location & Production for B Toggles

• Contact 274(PDF/151KB)

Discontinuation of S Series B Type Toggles

• Contact 273(PDF/653KB)

Changes to Location & Production for S Toggles& SW Rockers

• Contact 272(PDF/484KB)

Changes to UB & UB2 Pushbuttons; LB, UB & UB2lluminated Pushbuttons; LB, UB & UB2 Indicators

• Contact 271 (PDF/432KB)

Change to B Illuminated Toggles LED Specifications

• Contact 269 (PDF/122KB)

Change to Terminal Plating Material for S, ST, WT Toggles, LW, WR Rockers & WB Pushbuttons

• Contact 268 (PDF/265KB)

Change to Logo & Cap Material for JWS Rockers

• Contact 267 (PDF/231KB)

Change to Method of Identification for ST Toggles

• Contact 265 (PDF/672KB)

Changes to EB, MB2000, MB2400 & MB2500 Pushbuttons; CS & MS Nonilluminated & Illuminated Slides

• Contact 264 (PDF/956KB)

Change to Location of Production for S Toggles & SB Pushbuttons

• Contact 263 (PDF/223KB)

Change to JL Tactiles LED Specifications

• Contact 262 (PDF/215KB)

Change to Digital Touch Screen ITO Film

• Contact 261 (PDF/1.15MB)

Change to Super Bright White LED Specifications for KB, LB, YB & YB2 Illuminated Pushbuttons

• Contact 260 (PDF/529KB)

Change to Super Bright White LED Specifications forHB Illuminated Pushbuttons

• Contact 259 (PDF/410KB)

Change to JB Tactiles LED Specifications and Change to JWS Rockers LED Specifications

• Contact 258 (PDF/705KB)

Change to the Slide Switch Frame

• Contact 257 (PDF/282KB)

Change to the Size of the CSA Mark

• Contact 256 (PDF/276KB)

Deletion of Factory Code on SW3006A/U Case

• Contact 255 (PDF/178KB)

Change to JWL & JWLW Rockers’ Contact Material

• Contact 254 (PDF/276KB)

Changes to Lever Base, Stopper & Guide on Single Pole Models

• Contact 253 (PDF/354KB)

Change to Label for CKM & CKL Keylocks

• Contact 252 (PDF/754KB)

Change to Labels for W Toggles, Rockers & Pushbuttons

• Contact 251 (PDF/407KB)

Change of Bicolor LED Specification for AT621 2-Volt without Resistor

• Contact 250 (PDF/491KB)

Change of Single & Bicolor LED Specifications

• Contact 249 (PDF/393KB)

Revision to Vertical PC Terminals and Change to Method of Identification for GW Rockers & Paddles & GW Illuminated Paddles, Revision to Vertical PC Terminals on GW Rockers & Paddles & GW Illuminated Paddles

• Contact 248 (PDF/286KB)

Change to Method of Identification for S Toggles with Flat Lever

• Contact 247 (PDF/809KB)

Change to Method of Identification for S & ST Toggles, LW & SW Rockers, SB & SDB Pushbuttons

• Contact 245 (PDF/390KB)

Change to Identification Label for Toggles S331T, S421T and Pushbuttons SB221TNC, SB221TNO

• Contact 243 (PDF/178KB)

• Contact 242 (PDF/304KB)

• Contact 241 (PDF/157KB)

• Contact 240 (PDF/427KB)

• Contact 239 (PDF/498KB)

• Contact 238 (PDF/345KB)

• Contact 237 (PDF/601KB)

• Contact 236 (PDF/241KB)

• Contact 235 (PDF/559KB)

• Contact 234 (PDF/378KB)

• Contact 233 (PDF/294KB)

• Contact KP (PDF/234KB)

• Contact FR (PDF/709KB)

• Contact 228 (PDF/138KB)

• Contact 227 (PDF/233KB)

• Contact 226 (PDF/242KB)

• Contact 225 (PDF/159KB)

• Contact 224 (PDF/136KB)

• Contact 223 (PDF/153KB)

• Contact 220 (PDF/133KB)

• Contact 216 (PDF/288KB)

• Contact 215 (PDF/309KB)

• Contact 214 (PDF/159KB)

• Contact 213 (PDF/242KB)

• Contact 212 (PDF/153KB)

• Contact 211 (PDF/285KB)

• Contact 210 (PDF/356KB)

• Contact 209 (PDF/236KB)

• Contact 206 (PDF/238KB)

• Contact 204 (PDF/244KB)

• Contact 203 (PDF/262KB)

KP

• Contact 202 (PDF/267KB)

• Contact 201 (PDF/221KB)

• Contact 200 (PDF/274KB)

• Contact 199 (PDF/235KB)

• Contact 198 (PDF/257KB)

• Contact 196 (PDF/360KB)

• Contact 195 (PDF/230KB)

• Contact 194 (PDF/198KB)

• Contact 193 (PDF/207KB)

• Contact 192 (PDF/260KB)

• Contact 191 (PDF/201KB)

• Contact 190 (PDF/247KB)

• Contact 189 (PDF/264KB)

• Contact 188 (PDF/333KB)

• Contact 186 (PDF/237KB)

• Contact 185 (PDF/207KB)

• Contact 184 (PDF/217KB)

• Contact 183 (PDF/873KB)

• Contact 182 (PDF/2.01MB)

• Contact 181 (PDF/256KB)

• Contact 179 (PDF/273KB)

• Contact 178 (PDF/254KB)

• Contact 177 (PDF/371KB)
  

• Contact 176 (PDF/229KB)
  

• Contact 175 (PDF/237KB)
  

• Contact 174 (PDF/249KB)
  

IS

• Contact 173 (PDF/206KB)

• Contact 172 (PDF/163KB)

• Contact 171 (PDF/213KB)

• Contact 170 (PDF/256KB)

• Contact 167 (PDF/239KB)

• Contact 166 (PDF/236KB)

• Contact 165 (PDF/245KB)

• Contact 163 (PDF/223KB)

• Contact 160 (PDF/1.33MB)

• Contact 159 (PDF/863KB)
  

• Contact 158 (PDF/1.33MB)

• Contact 157 (PDF/141KB)
  

• Contact 156 (PDF/213KB)
  

• Contact 154 (PDF/153KB)

• Contact 153 (PDF/112KB)

• Contact 152 (PDF/173KB)
  

• Contact 150 (PDF/156KB)

• Contact 148 (PDF/1.37MB)

• Contact 144 (PDF/150KB)

• Contact 142 (PDF/135KB)

• Contact 140 (PDF/176KB)
  

• Contact 139 (PDF/88.7KB)

• Contact 136 (PDF/58.3KB)

• Contact 135 (PDF/212KB)
  

• Contact 134 (PDF/54.3KB)

• Contact 133 (PDF/70.5KB)

• Contact 130 (PDF/67.1KB)
  

• Contact 128 (PDF/105KB)

• Contact 127 (PDF/84.4KB)

• Contact 126 (PDF/84.9KB)