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Absolute type achieving high water resistance and heavy torque 18mm Size Insulated Shaft Type Mounting surface Mounting surface 5(COM) 4321 20.2 18.8 9 9 21.97 6.33 6.31 13.66 2-2 5-3.5 8.752-3.7 ø10 ø10 15.7 6.31 29.31 5-3.5 2-2 6.33 8.752-3.711 5(COM) Pattern prohibition area 4321 5-ø1.05 holes 11.5 6.5 13 2-1.85 19.6 2-2.15 12.5 3.75 2.5 20.2 18.8 9 9 Product Line Flat 29.31 21.97 12 60±20 Vertical

16 EC18AGB20401

Product No. Drawing No. 900450 Minimum order unit（pcs.） ExportJapan Shaft configuration Length of the shaft （mm） PositionsOperating direction Detent torque （mN ・ m） Dimensions Unit:mm No. StylePhoto PC board mounting hole dimensions (Viewed from mounting side) ■ Typical Specifications Items Specifications Rating 1mA 10V DC Operating life 30,000 cycles Operating temperature range −20℃ to ＋60℃ Number of packages （pcs.） Export package measurements （mm）1 case /Japan 1 case /export packing 450 900 540×360×270 Packing Specifications Tray Refer to P.307 for soldering conditions.

18mm Size Insulated Shaft TypeEC18A Standard Codes 1. The ● marks shows the ON position. 2. The ● marks ： Connections between terminals and the 5 （COM） are ON. Waterproof Property Immersion of encoder, not in operation, in water at depth of 1m at normal temperature for 30 minutes. EC18AGA EC18AGB Position No. 1 2 3 4 5 6 7 8 9 10 11 12 Rotation angle（° ） 0 30 60 90 120 15 0180 210 240 270 300 330 2 ● ● ● ● 4 ● ● ● ● Position No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TERMINAL NO.TERMINAL NO.

Insulated shaft Hollow shaft 12mm size 18mm size 5mm size 10mm size Series EC12E EC12D EC18A EC05E EC10E Photo Output Incremental （Two phase A and B ） Absolute type Incremental （Two phase A and B ） Shaft types Single-shaft Hollow shaft Operating direction Vertical Vertical Horizontal Horizontal Number of pulse / Number of detent 24 / Without 15 / 30 12 positions 16 positions 12 / 12 12 / 24 Features — With push-on switch Water resisting performance （IPX7） Surface mount type — Dimensions （mm） D 13. 2 11. 7 18 6 3.3 4.4 Operating temperature range − 10℃ to ＋ 70℃ −40℃ to ＋85℃ —20℃ to ＋60℃ −30℃ to + 85℃ −5℃ to + 45℃ −30℃ to + 85℃ （For Automotive） Operating life 1 5,000 cycles 30,000 cycles 30,000 cycles 100,000 cycles Life cycle (availability) Electrical performance Rating 0.5mA 5V DC 1m A 5 V D C 1m A 10V D C 0.55mA 5.5V DC 1m A 5 V D C Max./min. operating current （Resistive load） 5mA / 0.5mA 10mA / 1mA — 0.55mA / − — Insulation resistance 10MΩ min. 50V DC 100MΩ min. 250V DC 10MΩ min. 250V DC 50MΩ min. 50V DC Voltage proof 50V AC for 1 minute 300V AC for 1 minute or 360V AC for 1 s 50V AC for 1 minute or 60V AC for 2s 50V AC for 1 minute Mechanical performance Rotational torque （Without detent） 10mN･m max. 2 5±15 m N･m 4 0 ±15 m N･m — — — — Detent torque 3±2mN･m 3 to 20mN･m 5 ± 3 m N・m 1 0 ± 5 m N・m6 0 ± 2 0 m N・m1.6±1.3mN ・ m 5 ± 3 m N・m 6 ± 3 m N・m Push-pull strength 80N 100N Push 100N / pull 50N — Shaft configuration Flat, Hollow Shaft Flat Hollow shaft Terminal type Insertion Reflow Insertion Switch Specifications Switch type — Push-on switch — — — Contact arrangement — Single pole and single throw （Push-on） — — — Operating force （N） — 3 ＋ 1.5 −1 6 ＋ 2.5 − 2 — — — Rating — 1mA 5V DC （10mA 5V DC max. ratings） — — — Contact resistance — 100m Ω max. for initial period; 200m Ω max. after operating life. — — — Operating life — 30,000 times — — — Page 287 291 293 295 Encoders Cautions Notes 1. The operating temperature range for automotive applications can be raised upon request. Please contact us for details. 2. ● Indicates applicability to all products in the series, while ○ indicates applicability to some products in the series.

Soldering surfacetemperature Soldering temperatureHeating time Soldering time No. of solders EC10E, EC12D, EC12E, EM11B EC45A EC40A EM20B EC09E, EC11B, EC111, EC11E, EC11G, EC11K, EC18A, EC21A, EC28A, EC35A, EC35AH, EC35B, EC50A, EC60B Series 100℃ ma x . 260±5℃2 min. max. 5±1s 2 time max. 100℃ ma x . 100℃ ma x . 110 ℃ m a x . 80℃ max. 260±5℃ 260℃ max. 260℃ max. 260℃ max. 1 min. max. 2 min. max. 1 min. max. 1 min. max. 3±1s 5s max. 10s ma x . 3s max. 2 time max. 2 time max. 1 time 2 time max. Preheating Dip soldering Reference for Dip Soldering Example of Reflow Soldering Condition Reference for Manual Soldering EC05E EC21C EC11J Series 250℃ min. 230℃ to 245℃ 230℃ min. 220℃ 180℃ 200℃ 15 0 ℃ 15 0 ℃ 60s to 120s 60s to 120s ー ー 30s to 40s 25s to 60s ー 300 max. 2 time max. 1 time max. A B C D E F G H No. of reflows Temperature profile 1. When using an infrared reflow oven, solder may sometimes not be applied. Be sure to use a hot air reflow oven or a type that uses infrared rays in combination with hot air. 2. The temperatures given above are the maximum temperatures at the terminals of the encoder when employing a hot air reflow method. The temperature of the PC board and the surface temperature of the encoder may vary greatly depending on the PC board material, its size and thickness. Ensure that the surface temperature of the encoder does not rise to 250℃ or greater. 3. Conditions vary to some extent depending on the type of reflow bath used. Be sure to give due consideration to this prior to use. 注記 300 200 100 A B C Time (s) G max. F max. H max. E max. Room temperature Temperature (˚C ) Pre-heating D Encoders Soldering Conditions 3 sEC11J EC05E, EC09E, EC10E, EC111, EC11B, EC11E, EC11G, EC11K, EC12D, EC12E, EC18A, EC21A, EC28A, EC35A, EC35AH, EC35B, EC40A, EC45A, EC50A, EC60B, EM11B, EM20B, EC21C Series 350℃ max. 3s max. 1 time 3 5 0 ±10 ℃ 2 time Tip temperature Soldering time No. of solders