Lighted Pushbutton Switch A3A Compact Switch Unit Allows Signal and Power Switching in the Same Model Capable of switching within the range 1mA 5VDC to 6A 125VAC. Mounting direct to PCB, or panel mounting using appropriate bezel. Requires only 14.5mm behind panel depth. Options include: Round or Square Momentary or Latching Illuminated or Nonilluminated Ordering Information A3A 1 9 2 3 100 4 1 Pushbutton Shape 4 Pushbutton Code Shape Code Colour Type Type A Square ER Red Illuminated T Round EY Yellow Illuminated EG Green Illuminated 2 Terminals L Grey Nonilluminated Code Type R Red Nonilluminated 0 Solder Y Yellow Nonilluminated 1 PCB G Green Nonilluminated A Blue Nonilluminated 3 Action B Black Nonilluminated Code Action K Momentary L Alternate Specifications LED Ratings Contact Ratings Absolute Maximum Voltage Current (A) (V)(V) Characteristic Unit Value Resistive Lamp Inductive Motor Reverse Voltage VR 4V 125 AC 6 1 2 1 Forward Current IF 25mA 250 AC 2 0.5 1 0.5 Permissable loss PD 70mW 8 DC 4 1 2 1 Operating Temp TOPR 20 to + 75 C 14 DC 4 1 2 1 Storage Temp TSTO 30 to + 100 C 30 DC 4 1 1.5 1 125 DC 0.4 0.05 0.4 0.05 250 DC 0.4 0.03 0.2 0.03 Note: Min. permissible load 1mA 5VDC LED Ratings Standard Ratings Characteristic Unit Condition Typical Max Forward voltage VF IF = 15mA 2.05V 2.8V Reverse current IR VR = 4V 100mA Characteristics Insulation resistance 100M min. (at 500VDC) Dielectric strength 600 VAC, 50/60Hz for 1 minute between terminals of same polarity 2,000VAC, 50/60Hz for 1 minute between terminals of different polarity and also between each terminal and ground Vibration Mechanical and malfunction durabiltiy: 10 to 55Hz, 1.5mm double amplitude 2 ShockShock Mechanical durability: 500 m/sMechanical durability: 500 m/s (approx. 50 G)(a rox. 50 G) 2 Mechanical durability: 150 m/s (approx. 15 G) Ambient temperature Operating: 10 C to 55 C Humidity 35 to 85% RH Life expectancy Mechanical: Momentary action type: 1,000,000 operations min. Alternate action type: 50,000 operations min. Electrical: 50,000 operations min. Weight Approx. 3.2g Dimensions Panel cutout For round For square For separate mounting pushbutton pushbutton Horizontal 11.5 dia multiple 15.3 min +0.2 Flange 0 Flange mounting 11.5 Panel +0.2 0 +0.2 3.8 min 15.3 min 11.5 0 11.5 dia. +0.2 0 14.5 +0.2 Vertical 11.5 0 Multiple 11.5 dia 15.3 min +0.2 mounting 0 11.5 +0.2 0 +0.2 11.5 0 +0.3 12.7 (n1) +11.5 12.7 min * Recommended panel thickness: 1 to 1.6 mm 0 ** Flange dimensions: Round: 12.7 dia. Square: 12.7 Note: 1. Unless otherwise specified, a tolerance of+/ 0.2mm applies to all dimensions. 2. The illustrations below show switches with solder terminals, without flange or leafspring. Nonlighted Illuminated Round pushbutton type Round pushbutton type 15.24 15.24 Square pushbutton Square pushbutton 12.7 8.9 12.7 8.9 8.9 dia. 8.9 dia. Surface illumination Mechanical indication (1.5 x 1.5) 18 18 (21.5) (21.5) 12.5 12.5 3.5 3.5 0.8 x 2 1.7 0.8 x 2 1.7 Two 0.4 thick terminals Two 0.3 thick Two 0.4 thick LED terminals terminals