Encoder 20mm Size Metal Shaft Magnetic Type EM20B Series Highly reliable non-contact structure applicable to 31-point LED level indicator mounting. Typical Specifications Detector Items Specifications Push Rating 5V±5% DC Slide Operating life 500,000rotations Rotary Encoders Power Dual-in-line Package Type TACT SwitchTM Product Line Actuator length （mm） CustomProducts Torque（mN・m） Number of Rotational torque Detent torque 7 max. detent Number Operating Push switch Display Response Minimum order unit of pulse direction （N） function time （pcs.） Without 1 EM20B4010000 Without 40 Vertical 40 8±5 With （Switch operating With force 6±3） （Color： orange） 10 Incremental Type Absolute Type Drawing No. EM20B4000000 Without 15.5 16 Product No. 1.3μsec. （TYP） 480 EM20B4014000 2 EM20B4014A01 3 Notes 1. This product uses a Hall IC. Be aware of ESD damages. 2. Custom design for shaft configuration and mount height are available upon request. Dimensions Unit:mm No. PC board mounting hole dimensions （Viewed from mounting side） Style without switch type 15.5 5.5 20 ø21.5 13 3.9 Snap-in C0.5 2.6 ø9 9.5 11.5 1 1.5 2.4 1.8 ø4 B 3 6-ø0.6 holes 7.5 200 3.5 10.2 1 11.1 A GA VA GB VB 2.5 4 VA, VB MMM Power supply GA, GB MMM Ground A, B MMMMMMMM Out put 29. 25˚ Encoder 20mm Size Metal Shaft Magnetic Type EM20B Series Dimensions Unit:mm No. PC board mounting hole dimensions （Viewed from mounting side） Style With push-on switch （travel 0.5mm） Detector 16 20 ø21.5 Push 3.9 Snap-in 13 5.5 C0.5 2 1h Rotary 1.8 3 7.5 Switch terminal 3.3 Encoders AGA VA B 6-ø0.6 holes Slide s S2 S1 3.5 1 o le 7 2.6 0.5 Switch travel 2.4 ø4 2 -ø 10.2 1.5 11.5 9.5 ø9 11.1 5 GB VB 2.5 4 VA, VB MMM Power supply GA, GB MMM Ground A, B MMMMMMMM Out put 29.25˚ Power Dual-in-line Package Type TACT SwitchTM CustomProducts With LED With push-on switch （travel 0.5mm） ） 10 12 2.6 7 2.18 10 7.5 12-ø0.8 holes 5 6.43 10.38 11.1 13.83 16.63 Switch terminal 3.3 le s Incremental Type Absolute Type （ 12 .5 ˚） 11.11 Lamp house Top : Black Side : White 3 1.8 9.94 9.47 8.55 7.22 3.6 ho R （ 1 3.9 Snap- in LED 20 ø4 3.5 10.2 ø23 ø20 126 3 19 ø18.6 L1 L31 31 -0 .8 Switch travel C0.5 0.5 6 .75˚） （33 3 ø1 9˚ ø 6- 7 29.25 2.54 2-ø1+0.10 B Common select signal 5 Driver A 2 to 4 decoder LED Unit Recommended Drive Circuit Block Diagram 6 7 8 4 2 1 3 10 12 11 9 Driver 8 bit latch driver shift register DATA (display data) LATCH (display data latch signal) CLK (data transfer clock) 201 Encoders List of Varieties Magnetic Hollow shaft Type Series 5mm size 10mm size 11mm size 20mm size EC05E EC10E EM11B EM20B Detector Photo Push Output Slide Incremental Shaft types Rotary Power Outline specifications Encoders Dual-in-line Package Type Single-shaft Vertical/Horizontal Horizontal 12/12 12/24 W 5.7 9.8 10.8 20 D 2.7 12.6 11 22.25 H 6.5 4.4 7.5 13 TACT SwitchTM CustomProducts Hollow shaft Operating direction Number of pulse/ Number of detent Push switch （Travel mm） Optional functions Changeover angle Dimensions （mm） Without Electrical performance Absolute Type Without/ With （0.5） 260℃ max. 3s max. Please see P.189 ｰ10℃ to ＋70℃ −30℃ to ＋85℃ 0.55mA Maximum operating current（resistive load） Output signal With （0.5） 260±5℃, 3±1s Operating temperature range Incremental Type 40/40 350℃ max. 3s max. Dip soldering Reflow soldering 16/16 Display function Manual soldering Soldering Vertical 1mA VHI：＋4.0V min. VLO：0.5V max.（lsink=5mA） Output of A and B signals, proportionate to phase difference Output type A,B （Square wave） Incremental Instulation resistance 50MΩ min. 50V DC 100MΩ min. 100V DC 100MΩ min. 250V DC Voltage proof 50V AC for 1minute 250V AC for 1minute 300V AC for 1minute Mechanical performance 7mN・m max. Rotational torque Detent torque 1.6±1.3mN・m 10±5mN・m 5±3mN・m 8±5mN・m Push-pull strength 100N Environmental performance Cold −40±3℃ for 240h Dry heat 85±3℃ for 240h Damp heat 40±2℃, 90 to 95%RH for 240h Page 195 −40±3℃ for 96h −30±3℃ for 240h 85±3℃ for 96h 80±3℃ for 240h 40±2℃, 90 to 95%RH for 96h 40±2℃, 90 to 95%RH for 240h 198 199 200 Push-on Switch Specifications Items Contact arrangement Travel（mm） EM11B EM20B Single pole and single throw （Push-on） 0.3 0.5 ＋ − 0.2 0.4 0.5 ＋ − 0.3 Operating force（N） 5.5±3 6±3 Rating 5mA 5V DC（50mA 12V DC） 3A 16V DC Contact resistance Operating life 500mΩmax for initial period;5Ωmax after operating life 100mΩmax for initial period;200mΩmax after operating life 1,000,000times min. 25,000times min. ● Encoders Attached Parts ……………………………………………………………………………………………………209 ● Encoders Cautions ………………………………………………………………………………………………………210, 211 Note F The operating temperature range for automotive applications can be raised upon request. Please contact us for requirements of this kind. 178