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Drehgeber RE20F

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Compact two-phase output

  • Compact, dia.: 20 mm
  • Low torque, low inertia
  • RoHS compliant

PART NUMBER DESIGNATION

RE20F-100-100

Series name

Resolution (P/R)

100, 300

Output phase

1:“A” only

2:“A” & “B” (100 P/R only)

 

 

LIST OF PART NUMBERS

Part numberOutput phasesResolution
RE20F-100-100 “A” only 100 (P/R)
RE20F-300-100 “A” only 300 (P/R)
RE20F-100-200 “A” & “B” 100 (P/R)

Electrical characteristics

Output phases1 phase “A” only2 phase  “A” & “B”
Photo-sensor maximum current 45 mA maximum (at 25 °C) 
Output wave form Quasi-sinusoidal 
Output phases A A, B
Resolution (P/R) 100, 300 100
Phase difference of outputs A & B ——— 90° ± 45°
Maximum frequency response ——— 12 kHz
Output signal 150 mVp-p minimum ※1  1 Vp-p minimum
Output signal amplitude variation ※2 40 % maximum 
Light source LED 
※ 1 Measured at CP1 in the fig.A of ‘MEASUREMENT CIRCUIT’ on the following page.
※ 2 One phase only : Measured at CP2 in the fig.A of ‘MEASUREMENT CIRCUIT’ on the following page.

Mechanical characteristics

Starting torque 0.05 mN·m {0.5 gf·cm} maximum
Inertia  0.2 g·cmmaximum
Shaft loading
(When mounting)
Radial 1.96 N {200 gf} maximum
Axial 4.9 N {500 gf} maximum
Net weight Approx. 15 g
 

Environmental characteristics

Operating temp. range 0 ~ 50 °C
Storage temp. range −20 ~ 80 °C
Protection grade IP40

RELIABILITY TEST

Test itemTest conditions
VibrationPower OFF

Amplitude : 1.52 mm or 98.1 m/s2 (10 G) whichever is smaller.
10 ~ 500 Hz excursion 5 min/cycle, 1 hour each for X, Y, Z, directions.

ShockPower OFF 1 time each in 6 directions (X, Y, Z) at 490 m/s2 (50 G), 11 ms.
High temperature
exposure
Power OFF 80 °C  96 h (To be measured after leaving samples for 1h at normal temperature and humidity after the test.)
Power ON 50 °C  96 h
Low temperature
exposure
Power OFF -20 °C  96 h
Power ON 0 °C 96 h
HumidityPower OFF 40 °C Relative humidity 90 〜95 % 96 h
(To be measured after wiping out moisture and leaving samples for 1h at normal temperature and humidity after the test.)
Thermal shockPower OFF To be done 10 cycles with the following condition
(To be measured after leaving samples for 1 h at normal temperature and humidity after the test.)
70 °C 1 h、‐20 °C 1 h

OUTPUT

EXTERNAL SCHEMATICS

⦿ 2 phase 100 P/R

INTERNAL CIRCUIT

⦿ 1 phase 100・300 P/R

⦿ 2 phases 100 P/R

MEASUREMENT CIRCUIT

⦿ 1 phase 100・300 P/R

⦿ 2 phases 100 P/R

RATINGS

⦿ LED(at 25 °C)
Maximum current 45 mA
Reverse voltage 4 V
Power dissipation (PD) 75 mW
Temp. derating of PD (25 ~ 60 °C) −1.4 mW/°C
⦿ Photo-sensor(at 25 °C)
Collector current 20 mA
Collector to emitter voltage (forward) 20 V
Collector to emitter voltage (reverse) 5 V
Collector dissipation (PD) 75 mW
Temp. derating of PD(25 ~ 60 °C) −1.0 mW/°C

OUTLINE DIMENSIONS

Unless otherwise specified, tolerance: ± 0.4 (Unit: mm)

 

●Die oben genannten Inhalte können ohne vorherige Ankündigung geändert werden.

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