EC28A1520401 ALPS

Insulated Through Encoders Metal Shaft Ring Type Shaft Shaft Type EC28A 28mm Size Ring Type EC28C A low-profile unit with 4mm height and good operation feel Typical Specifications Items Specifications 10mA 5V DC Rating Operating life 50,000 cycles 40 to 85(EC28A) Operating temperature range 40 to 90EC28C Product Line Minimum order unit pcs. Mounting Actuator length Detent torque Number of Number of Drawing Product No. method mm mNm detent pulse No. Japan Export 75 EC28A1520401 127 30 15 EC28A1550401 15 2010 400 800 EC28A1560401 1 DIP 127 EC28A1850402 18 18 2010 EC28A1870401 25 2010 420 840 EC28A1560501 2 30 15 22 11Initial Reflow 15 480 480 EC28C1540403 3 16 7After reflow Packing Specifications Tray Number of packages pcs. Export package measurements Product No. mm 1 case /Japan 1 case /export packing EC28A15, EC28A18 400 800 509366287 EC28A1560501 420 840 540360380 480 480 440290205 EC28C Dimensions Unit:mm PC board mounting hole dimensions No. Photo Style (Viewed from mounting side) EC28A Actuator length 15mm 28.9 2-1.5 hole Mounting surface 1 2-1.6 5 A B C A C B 3-1 hole Refer to P.275 for soldering conditions. 266 3-R10.2 15 16 2-2.6 23Insulated Through Encoders Metal Shaft Ring Type Shaft Shaft Type 1.5 hole 1.5 hole Mounting surface EC28A/EC28C28mm Size Ring Type A C B Dimensions Unit:mm Y PC board mounting hole dimensions No. Photo Style (Viewed from mounting side) EC28A Actuator length 25mm Mounting surface 2 A C B Y A C B EC28C Reflow type Actuator length 15mm Mounting surface 3 A C B Output Wave Sliding Noise EC28A18 EC28A15 V =V =2.5V max. 1 2 Test circuit Output waveform EC28C15 5V DC tt RR A signal OFF ON V1 Terminal A Terminal B A signal OFF ON V2 B signal OFF ON Encoder OFF ON ON OFF ON B signal Sliding direction Terminal C CW direction /s t : Masking time to avoid chattering CW direction *Signal A and signal B output At R = 5k at detent positions cannot be specified. Chattering : 5ms max. Bounce : 5ms max. 267 3-1 hole 3-1 hole 3-R10.2 3-R10.2 3-R10.2 5V