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Illuminated pushbutton switch LP

●To buy this product, please go to the following Online Web stores.
To the Illuminated pushbutton switch “LP series” page on the DigiKey online shop

Illuminated Pushbutton Switches

A part of this series was discontinued shotlyCheck affected part number
 
 
FeaturesFeatures
  • Low Profile Ideal for low profile PC mounting or snap-in mounting with tight behind panel dimensions.

  • Full Face Illumination Bright LED provides excellent illumination

  • Two Mounting Methods PC board mount or snap-in panel mount.

  • Snap-Action Mechanism Snap-action mechanism provides tactile feel.

  • UL Recognized and CSA Certified Switches are UL recognized and CSA certified

Specification

Rating Gold plated contact:
0.4VA AC/DC  Max.
   ・Voltage 20mV~48V
   ・Current 0.1mA~50mA 
20mVAC/DC 0.1mA Min.
Initial contact resistance Gold plated contaccts ; 100mΩ max. ( 1.5mA 200μVAC)
Dielectric strength 1,500VAC 1 minute
Contact Bounce 10 msec. max.
Electrical life Gold plated contact:
50,000 operations( 50mA 48VAC/DC)
200,000 operations( 0.4VA AC/DC)
Operating force 1 pole:1.47±0.98N
2 poles:2.26±0.98N
Travel Total travel:2.3mm
Lock travel alternate:1.5mm
Operating temperature range -15~+60℃
Storage temperature range -25~+70℃
■Approvals  UL File No.E43275  CSA File No.LR38341

Part Number Designation

■Nonilluminated
LP-1S-26G-W-Z

Series code

Box & Terminal style

1: Without Flange & PC Terminal
2: With Flange & Solder Lug

Cap size

S: 12×12

Poles

1: 1 pole
2: 2 poles

Circuit Function

6:  ON -(ON)
7: ON - ON

Contact material

G: Gold

Cap color

W:White

R:Red

K:Black

G:Gray

 

 
■Illuminated
LP-1S-26G-2-9-Z

Series code

Box & Terminal style

1: Without Flange & PC Terminal
2: With Flange & Solder Lug

Cap size

S: 12×12

Poles

1: 1 pole
2: 2 poles

Circuit Function

6: ON -(ON)
7: ON - ON

Contact material

G: Gold

LED color

2:Red

5:Green

8:Yellow

Cap color

0:Clear

2:Red clear

5:Green clear

8:Yellow clear

Filter

9:White clear

2:Red clear

5:Green clear

■LED Specifi cation

SymbolColorIFVFVR
Nom.Max.
2 Red 30mA 2.0V 2.8V DC4V
5 Green 25mA 2.1V 2.8V DC4V
8 Yellow 30mA 2.2V 2.8V DC4V
  • Current to be applied to the LED must be lower than the forward current (IF) indicated in the LED Specifications of each switches. Resistance value R should be calculated using the following formula.

List of Part Numbers

 

 

 
 
◆Non-illuminated type
A part No. indicated with a gray-back in the list below was discontinued with an order deadline of Dec. 20, 2023.
Part No.PolesSW functionCap colorBox / TerminalsCap sizeCAD
Part No.:LP1S-16G-W-Z 1 ON-(ON) White Without Flange
PC straight
12×12
Part No.:LP1S-16G-R-Z 1 ON-(ON) Red Without Flange
PC straight
12×12
Part No.:LP1S-16G-K-Z 1 ON-(ON) Black Without Flange
PC straight
12×12
Part No.:LP1S-16G-G-Z 1 ON-(ON) Gray Without Flange
PC straight
12×12
Part No.:LP1S-17G-K-Z 1 ON-ON Black Without Flange
PC straight
12×12
Part No.:LP1S-26G-W-Z 2 ON-(ON) White Without Flange
PC straight
12×12
Part No.:LP2S-16G-W-Z 1 ON-(ON) White Without Flange
PC straight
12×12
Part No.:LP2S-16G-R-Z 1 ON-(ON) Red Without Flange
PC straight
12×12
Part No.:LP2S-26G-W-Z 2 ON-(ON) White Without Flange
PC straight
12×12
Part No.:LP2S-27G-W-Z 2 ON-ON White Without Flange
PC straight
12×12
☆: Semi-standard products
◆Illuminated type
Part No.PolesSW functionBox /
Terminals
Cap sizeLEDCap colorFilterCAD
Part No.:LP1S-27G-229-Z 2 ON-ON Without Flange
PC straight
12×12 Red Red
Part No.:LP1S-27G-209-Z 2 ON-ON Without Flange
PC straight
12×12 Red Clear White clear
Part No.:LP1S-16G-509-Z 1 ON-(ON) Without Flange
PC straight
12×12 Green Clear White clear
Part No.:LP1S-16G-809-Z 1 ON-(ON) Without Flange
PC straight
12×12 Yellow Clear White clear
Part No.:LP1S-16G-202-Z 1 ON-(ON) Without Flange
PC straight
12×12 Red Clear Red clear
Part No.:LP1S-26G-505-Z 2 ON-(ON) Without Flange
PC straight
12×12 Green Clear Green clear
Part No.:LP2S-26G-229-Z 2 ON-(ON) With Flange
Solder
12×12 Red Red
Part No.:LP2S-27G-509-Z 2 ON-ON With Flange
Solder
12×12 Green Clear White clear
Part No.:LP2S-26G-202-Z 2 ON-(ON) With Flange
Solder
12×12 Red Clear Red clear
Part No.:LP2S-16G-505-Z 1 ON-(ON) With Flange
Solder
12×12 Green Clear Green clear
☆: Semi-standard products / です。
★: Made to order products

Precautions

◆Solderlng

⑴ Manual soldering   

  • Device:Solder iron ① 270℃ max. 5 sec. max.

⑵ Auto soldering  

  • Device:Jet wave or dip type
  • 245 土10℃ 5 sec. max.
  • Preheat time shall be 30 seconds max. at 100℃ max.
  • For the alternate action switches, soldering should be done with the switch in the up position.
◆Flux Cleanlng
  • Solvent : Fluorine or Alcohl type.
  • The LP series are not washable. To wash the PC board, clean the soldering surface of the PC board with a brush so that the switch is not exposed to the cleaning solution.
  • After soldering, wait until the temperature of the terminals cool down to 90℃ or below or until the parts are exposed to room temperature for more than 5 min. before washing.
◆Acuator(Cap)
  • To activate the switch, press the cap as far as it goes. If the cap is not fully actuated, switching and/or locking may not occur. The pressing force of the cap should be 9.8 N or less.
  • Use a soft cloth with alcohol to clean the cap surface. Do not allow the liquid to enter the switch body. Do not use thinner, acid, organic solvent, etc., since the caps and fi lter are made of a polycarbonate resin.
  • Engraving or printing is possible on the cap and the fi lter. The engraving depth should be 0.3 mm maximum and the enamelbased paint should be within the coating thickness of 0.1 mm maximum.
  • A film insert should be the size of the dimensions as shown in the fi gure on the left (t=0.1mm). The fi lm inserts are provided by the customer.
  • The cap and the fi lter are two distinct parts. Removal of the cap should be done with the in the up position to avoid damages to the switch.
◆LED's
  • The polarity of the LED is marked on the bottom of the switch. Connection should be made as marked.
  • Protective resistors are not built into illuminated switches. Protective resistors must be integrated by the customer.
  • LED specifications are shown on.

Mounting Procedures

⑴ Removal of the cap

Use the notch on the side of the cap and pull up. Remove the cap with the switch in the up position.

⑵ Mounting the cap

A) Insert the fi lter into the cap. The fi lter is reversible.
B) Mate and snap in the two recesses on the inner side of the cap to the tabs on the side of the actuator of the switch.

 

⑶ Mounting the Switch Guard

⑷ Panel cutout
  • When cutting out the panel, press through the panel from the front side.
  • Also make sure to mount the switch from the front side of the panel as shown in the fi gure below. This will help the mount spring on both sides of the switch latch on to the edge of the hole.
  • Note that the vertical play of the switch when mounted is 0.3 mm max..

PC Hole Layouts(Top view)

Panel Cut-Out Dimensions

Environmental Data

●The above contents and descriptions are subject to change without notice. 

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